diff options
Diffstat (limited to 'src/devices/cpu/z80/z80.cpp')
-rw-r--r-- | src/devices/cpu/z80/z80.cpp | 3543 |
1 files changed, 318 insertions, 3225 deletions
diff --git a/src/devices/cpu/z80/z80.cpp b/src/devices/cpu/z80/z80.cpp index 8e1e29a8a1f..9d2c5958dd7 100644 --- a/src/devices/cpu/z80/z80.cpp +++ b/src/devices/cpu/z80/z80.cpp @@ -1,409 +1,56 @@ // license:BSD-3-Clause // copyright-holders:Juergen Buchmueller /***************************************************************************** - * - * z80.cpp - * Portable Z80 emulator V3.9 - * - * TODO: - * - Interrupt mode 0 should be able to execute arbitrary opcodes - * - If LD A,I or LD A,R is interrupted, P/V flag gets reset, even if IFF2 - * was set before this instruction (implemented, but not enabled: we need - * document Z80 types first, see below) - * - WAIT only stalls between instructions now, it should stall immediately. - * - Ideally, the tiny differences between Z80 types should be supported, - * currently known differences: - * - LD A,I/R P/V flag reset glitch is fixed on CMOS Z80 - * - OUT (C),0 outputs 0 on NMOS Z80, $FF on CMOS Z80 - * - SCF/CCF X/Y flags is ((flags | A) & 0x28) on SGS/SHARP/ZiLOG NMOS Z80, - * (flags & A & 0x28) on NEC NMOS Z80, other models unknown. - * However, recent findings say that SCF/CCF X/Y results depend on whether - * or not the previous instruction touched the flag register. And the exact - * behaviour on NEC Z80 is still unknown. - * This Z80 emulator assumes a ZiLOG NMOS model. - * - * Changes in 3.9: - * - Fixed cycle counts for LD IYL/IXL/IYH/IXH,n [Marshmellow] - * - Fixed X/Y flags in CCF/SCF/BIT, ZEXALL is happy now [hap] - * - Simplified DAA, renamed MEMPTR (3.8) to WZ, added TODO [hap] - * - Fixed IM2 interrupt cycles [eke] - * Changes in 3.8 [Miodrag Milanovic]: - * - Added MEMPTR register (according to informations provided - * by Vladimir Kladov - * - BIT n,(HL) now return valid values due to use of MEMPTR - * - Fixed BIT 6,(XY+o) undocumented instructions - * Changes in 3.7 [Aaron Giles]: - * - Changed NMI handling. NMIs are now latched in set_irq_state - * but are not taken there. Instead they are taken at the start of the - * execute loop. - * - Changed IRQ handling. IRQ state is set in set_irq_state but not taken - * except during the inner execute loop. - * - Removed x86 assembly hacks and obsolete timing loop catchers. - * Changes in 3.6: - * - Got rid of the code that would inexactly emulate a Z80, i.e. removed - * all the #if Z80_EXACT #else branches. - * - Removed leading underscores from local register name shortcuts as - * this violates the C99 standard. - * - Renamed the registers inside the Z80 context to lower case to avoid - * ambiguities (shortcuts would have had the same names as the fields - * of the structure). - * Changes in 3.5: - * - Implemented OTIR, INIR, etc. without look-up table for PF flag. - * [Ramsoft, Sean Young] - * Changes in 3.4: - * - Removed Z80-MSX specific code as it's not needed any more. - * - Implemented DAA without look-up table [Ramsoft, Sean Young] - * Changes in 3.3: - * - Fixed undocumented flags XF & YF in the non-asm versions of CP, - * and all the 16 bit arithmetic instructions. [Sean Young] - * Changes in 3.2: - * - Fixed undocumented flags XF & YF of RRCA, and CF and HF of - * INI/IND/OUTI/OUTD/INIR/INDR/OTIR/OTDR [Sean Young] - * Changes in 3.1: - * - removed the REPEAT_AT_ONCE execution of LDIR/CPIR etc. opcodes - * for readabilities sake and because the implementation was buggy - * (and i was not able to find the difference) - * Changes in 3.0: - * - 'finished' switch to dynamically overrideable cycle count tables - * Changes in 2.9: - * - added methods to access and override the cycle count tables - * - fixed handling and timing of multiple DD/FD prefixed opcodes - * Changes in 2.8: - * - OUTI/OUTD/OTIR/OTDR also pre-decrement the B register now. - * This was wrong because of a bug fix on the wrong side - * (astrocade sound driver). - * Changes in 2.7: - * - removed z80_vm specific code, it's not needed (and never was). - * Changes in 2.6: - * - BUSY_LOOP_HACKS needed to call change_pc() earlier, before - * checking the opcodes at the new address, because otherwise they - * might access the old (wrong or even nullptr) banked memory region. - * Thanks to Sean Young for finding this nasty bug. - * Changes in 2.5: - * - Burning cycles always adjusts the ICount by a multiple of 4. - * - In REPEAT_AT_ONCE cases the r register wasn't incremented twice - * per repetition as it should have been. Those repeated opcodes - * could also underflow the ICount. - * - Simplified TIME_LOOP_HACKS for BC and added two more for DE + HL - * timing loops. i think those hacks weren't endian safe before too. - * Changes in 2.4: - * - z80_reset zaps the entire context, sets IX and IY to 0xffff(!) and - * sets the Z flag. With these changes the Tehkan World Cup driver - * _seems_ to work again. - * Changes in 2.3: - * - External termination of the execution loop calls z80_burn() and - * z80_vm_burn() to burn an amount of cycles (r adjustment) - * - Shortcuts which burn CPU cycles (BUSY_LOOP_HACKS and TIME_LOOP_HACKS) - * now also adjust the r register depending on the skipped opcodes. - * Changes in 2.2: - * - Fixed bugs in CPL, SCF and CCF instructions flag handling. - * - Changed variable ea and arg16() function to uint32_t; this - * produces slightly more efficient code. - * - The DD/FD XY CB opcodes where XY is 40-7F and Y is not 6/E - * are changed to calls to the X6/XE opcodes to reduce object size. - * They're hardly ever used so this should not yield a speed penalty. - * New in 2.0: - * - Optional more exact Z80 emulation (#define Z80_EXACT 1) according - * to a detailed description by Sean Young which can be found at: - * http://www.msxnet.org/tech/z80-documented.pdf - *****************************************************************************/ + + ZiLOG Z80 emulator + +TODO: +- Interrupt mode 0 should be able to execute arbitrary opcodes +- If LD A,I or LD A,R is interrupted, P/V flag gets reset, even if IFF2 + was set before this instruction (implemented, but not enabled: we need + document Z80 types first, see below) +- Ideally, the tiny differences between Z80 types should be supported, + currently known differences: + - LD A,I/R P/V flag reset glitch is fixed on CMOS Z80 + - OUT (C),0 outputs 0 on NMOS Z80, $FF on CMOS Z80 + - SCF/CCF X/Y flags is ((flags | A) & 0x28) on SGS/SHARP/ZiLOG NMOS Z80, + (flags & A & 0x28). + However, recent findings say that SCF/CCF X/Y results depend on whether + or not the previous instruction touched the flag register. + This Z80 emulator assumes a ZiLOG NMOS model. + +*****************************************************************************/ #include "emu.h" -#include "debugger.h" #include "z80.h" #include "z80dasm.h" -#define VERBOSE 0 - -/* On an NMOS Z80, if LD A,I or LD A,R is interrupted, P/V flag gets reset, - even if IFF2 was set before this instruction. This issue was fixed on - the CMOS Z80, so until knowing (most) Z80 types on hardware, it's disabled */ -#define HAS_LDAIR_QUIRK 0 - -#define LOG(x) do { if (VERBOSE) logerror x; } while (0) - - -/****************************************************************************/ -/* The Z80 registers. halt is set to 1 when the CPU is halted, the refresh */ -/* register is calculated as follows: refresh=(r&127)|(r2&128) */ -/****************************************************************************/ - -#define CF 0x01 -#define NF 0x02 -#define PF 0x04 -#define VF PF -#define XF 0x08 -#define HF 0x10 -#define YF 0x20 -#define ZF 0x40 -#define SF 0x80 - -#define INT_IRQ 0x01 -#define NMI_IRQ 0x02 - -#define PRVPC m_prvpc.d /* previous program counter */ - -#define PCD m_pc.d -#define PC m_pc.w.l - -#define SPD m_sp.d -#define SP m_sp.w.l - -#define AFD m_af.d -#define AF m_af.w.l -#define A m_af.b.h -#define F m_af.b.l - -#define BCD m_bc.d -#define BC m_bc.w.l -#define B m_bc.b.h -#define C m_bc.b.l - -#define DED m_de.d -#define DE m_de.w.l -#define D m_de.b.h -#define E m_de.b.l - -#define HLD m_hl.d -#define HL m_hl.w.l -#define H m_hl.b.h -#define L m_hl.b.l - -#define IXD m_ix.d -#define IX m_ix.w.l -#define HX m_ix.b.h -#define LX m_ix.b.l - -#define IYD m_iy.d -#define IY m_iy.w.l -#define HY m_iy.b.h -#define LY m_iy.b.l - -#define WZ m_wz.w.l -#define WZ_H m_wz.b.h -#define WZ_L m_wz.b.l - - -static bool tables_initialised = false; -static uint8_t SZ[256]; /* zero and sign flags */ -static uint8_t SZ_BIT[256]; /* zero, sign and parity/overflow (=zero) flags for BIT opcode */ -static uint8_t SZP[256]; /* zero, sign and parity flags */ -static uint8_t SZHV_inc[256]; /* zero, sign, half carry and overflow flags INC r8 */ -static uint8_t SZHV_dec[256]; /* zero, sign, half carry and overflow flags DEC r8 */ - -static uint8_t SZHVC_add[2*256*256]; -static uint8_t SZHVC_sub[2*256*256]; - -static const uint8_t cc_op[0x100] = { - 4,10, 7, 6, 4, 4, 7, 4, 4,11, 7, 6, 4, 4, 7, 4, - 8,10, 7, 6, 4, 4, 7, 4,12,11, 7, 6, 4, 4, 7, 4, - 7,10,16, 6, 4, 4, 7, 4, 7,11,16, 6, 4, 4, 7, 4, - 7,10,13, 6,11,11,10, 4, 7,11,13, 6, 4, 4, 7, 4, - 4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4, - 4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4, - 4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4, - 7, 7, 7, 7, 7, 7, 4, 7, 4, 4, 4, 4, 4, 4, 7, 4, - 4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4, - 4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4, - 4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4, - 4, 4, 4, 4, 4, 4, 7, 4, 4, 4, 4, 4, 4, 4, 7, 4, - 5,10,10,10,10,11, 7,11, 5,10,10, 0,10,17, 7,11, /* cb -> cc_cb */ - 5,10,10,11,10,11, 7,11, 5, 4,10,11,10, 0, 7,11, /* dd -> cc_xy */ - 5,10,10,19,10,11, 7,11, 5, 4,10, 4,10, 0, 7,11, /* ed -> cc_ed */ - 5,10,10, 4,10,11, 7,11, 5, 6,10, 4,10, 0, 7,11 /* fd -> cc_xy */ -}; - -static const uint8_t cc_cb[0x100] = { - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8, - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8, - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8, - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8, - 8, 8, 8, 8, 8, 8,12, 8, 8, 8, 8, 8, 8, 8,12, 8, - 8, 8, 8, 8, 8, 8,12, 8, 8, 8, 8, 8, 8, 8,12, 8, - 8, 8, 8, 8, 8, 8,12, 8, 8, 8, 8, 8, 8, 8,12, 8, - 8, 8, 8, 8, 8, 8,12, 8, 8, 8, 8, 8, 8, 8,12, 8, - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8, - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8, - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8, - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8, - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8, - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8, - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8, - 8, 8, 8, 8, 8, 8,15, 8, 8, 8, 8, 8, 8, 8,15, 8 -}; - -static const uint8_t cc_ed[0x100] = { - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 12,12,15,20,8,14, 8, 9,12,12,15,20, 8,14, 8, 9, - 12,12,15,20,8,14, 8, 9,12,12,15,20, 8,14, 8, 9, - 12,12,15,20,8,14, 8,18,12,12,15,20, 8,14, 8,18, - 12,12,15,20,8,14, 8, 8,12,12,15,20, 8,14, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 16,16,16,16,8, 8, 8, 8,16,16,16,16, 8, 8, 8, 8, - 16,16,16,16,8, 8, 8, 8,16,16,16,16, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8 -}; - -/* ix/iy: with the exception of (i+offset) opcodes, t-states are main_opcode_table + 4 */ -static const uint8_t cc_xy[0x100] = { - 4+4,10+4, 7+4, 6+4, 4+4, 4+4, 7+4, 4+4, 4+4,11+4, 7+4, 6+4, 4+4, 4+4, 7+4, 4+4, - 8+4,10+4, 7+4, 6+4, 4+4, 4+4, 7+4, 4+4,12+4,11+4, 7+4, 6+4, 4+4, 4+4, 7+4, 4+4, - 7+4,10+4,16+4, 6+4, 4+4, 4+4, 7+4, 4+4, 7+4,11+4,16+4, 6+4, 4+4, 4+4, 7+4, 4+4, - 7+4,10+4,13+4, 6+4,23 ,23 ,19 , 4+4, 7+4,11+4,13+4, 6+4, 4+4, 4+4, 7+4, 4+4, - 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, - 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, - 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, - 19 ,19 ,19 ,19 ,19 ,19 , 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, - 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, - 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, - 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, - 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, 4+4, 4+4, 4+4, 4+4, 4+4, 4+4,19 , 4+4, - 5+4,10+4,10+4,10+4,10+4,11+4, 7+4,11+4, 5+4,10+4,10+4, 0 ,10+4,17+4, 7+4,11+4, /* cb -> cc_xycb */ - 5+4,10+4,10+4,11+4,10+4,11+4, 7+4,11+4, 5+4, 4+4,10+4,11+4,10+4, 4 , 7+4,11+4, /* dd -> cc_xy again */ - 5+4,10+4,10+4,19+4,10+4,11+4, 7+4,11+4, 5+4, 4+4,10+4, 4+4,10+4, 4 , 7+4,11+4, /* ed -> cc_ed */ - 5+4,10+4,10+4, 4+4,10+4,11+4, 7+4,11+4, 5+4, 6+4,10+4, 4+4,10+4, 4 , 7+4,11+4 /* fd -> cc_xy again */ -}; - -static const uint8_t cc_xycb[0x100] = { - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23, - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23, - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23, - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23, - 20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20, - 20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20, - 20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20, - 20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20, - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23, - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23, - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23, - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23, - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23, - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23, - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23, - 23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23 -}; - -/* extra cycles if jr/jp/call taken and 'interrupt latency' on rst 0-7 */ -static const uint8_t cc_ex[0x100] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* DJNZ */ - 5, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, /* JR NZ/JR Z */ - 5, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, /* JR NC/JR C */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 5, 5, 5, 5, 0, 0, 0, 0, 5, 5, 5, 5, 0, 0, 0, 0, /* LDIR/CPIR/INIR/OTIR LDDR/CPDR/INDR/OTDR */ - 6, 0, 0, 0, 7, 0, 0, 2, 6, 0, 0, 0, 7, 0, 0, 2, - 6, 0, 0, 0, 7, 0, 0, 2, 6, 0, 0, 0, 7, 0, 0, 2, - 6, 0, 0, 0, 7, 0, 0, 2, 6, 0, 0, 0, 7, 0, 0, 2, - 6, 0, 0, 0, 7, 0, 0, 2, 6, 0, 0, 0, 7, 0, 0, 2 -}; - -#define m_cc_dd m_cc_xy -#define m_cc_fd m_cc_xy +#include "z80.inc" -/*************************************************************** - * define an opcode function - ***************************************************************/ -#define OP(prefix,opcode) inline void z80_device::prefix##_##opcode() +#define LOG_INT (1U << 1) // z80.lst +#define LOG_UNDOC (1U << 2) + +#define VERBOSE (LOG_UNDOC) +#include "logmacro.h" + + +bool z80_device::tables_initialised = false; +u8 z80_device::SZ[] = {}; // zero and sign flags +u8 z80_device::SZ_BIT[] = {}; // zero, sign and parity/overflow (=zero) flags for BIT opcode +u8 z80_device::SZP[] = {}; // zero, sign and parity flags +u8 z80_device::SZHV_inc[] = {}; // zero, sign, half carry and overflow flags INC r8 +u8 z80_device::SZHV_dec[] = {}; // zero, sign, half carry and overflow flags DEC r8 -/*************************************************************** - * adjust cycle count by n T-states - ***************************************************************/ -#define CC(prefix,opcode) do { m_icount -= m_cc_##prefix[opcode]; } while (0) - -#define EXEC(prefix,opcode) do { \ - unsigned op = opcode; \ - CC(prefix,op); \ - switch(op) \ - { \ - case 0x00:prefix##_##00();break; case 0x01:prefix##_##01();break; case 0x02:prefix##_##02();break; case 0x03:prefix##_##03();break; \ - case 0x04:prefix##_##04();break; case 0x05:prefix##_##05();break; case 0x06:prefix##_##06();break; case 0x07:prefix##_##07();break; \ - case 0x08:prefix##_##08();break; case 0x09:prefix##_##09();break; case 0x0a:prefix##_##0a();break; case 0x0b:prefix##_##0b();break; \ - case 0x0c:prefix##_##0c();break; case 0x0d:prefix##_##0d();break; case 0x0e:prefix##_##0e();break; case 0x0f:prefix##_##0f();break; \ - case 0x10:prefix##_##10();break; case 0x11:prefix##_##11();break; case 0x12:prefix##_##12();break; case 0x13:prefix##_##13();break; \ - case 0x14:prefix##_##14();break; case 0x15:prefix##_##15();break; case 0x16:prefix##_##16();break; case 0x17:prefix##_##17();break; \ - case 0x18:prefix##_##18();break; case 0x19:prefix##_##19();break; case 0x1a:prefix##_##1a();break; case 0x1b:prefix##_##1b();break; \ - case 0x1c:prefix##_##1c();break; case 0x1d:prefix##_##1d();break; case 0x1e:prefix##_##1e();break; case 0x1f:prefix##_##1f();break; \ - case 0x20:prefix##_##20();break; case 0x21:prefix##_##21();break; case 0x22:prefix##_##22();break; case 0x23:prefix##_##23();break; \ - case 0x24:prefix##_##24();break; case 0x25:prefix##_##25();break; case 0x26:prefix##_##26();break; case 0x27:prefix##_##27();break; \ - case 0x28:prefix##_##28();break; case 0x29:prefix##_##29();break; case 0x2a:prefix##_##2a();break; case 0x2b:prefix##_##2b();break; \ - case 0x2c:prefix##_##2c();break; case 0x2d:prefix##_##2d();break; case 0x2e:prefix##_##2e();break; case 0x2f:prefix##_##2f();break; \ - case 0x30:prefix##_##30();break; case 0x31:prefix##_##31();break; case 0x32:prefix##_##32();break; case 0x33:prefix##_##33();break; \ - case 0x34:prefix##_##34();break; case 0x35:prefix##_##35();break; case 0x36:prefix##_##36();break; case 0x37:prefix##_##37();break; \ - case 0x38:prefix##_##38();break; case 0x39:prefix##_##39();break; case 0x3a:prefix##_##3a();break; case 0x3b:prefix##_##3b();break; \ - case 0x3c:prefix##_##3c();break; case 0x3d:prefix##_##3d();break; case 0x3e:prefix##_##3e();break; case 0x3f:prefix##_##3f();break; \ - case 0x40:prefix##_##40();break; case 0x41:prefix##_##41();break; case 0x42:prefix##_##42();break; case 0x43:prefix##_##43();break; \ - case 0x44:prefix##_##44();break; case 0x45:prefix##_##45();break; case 0x46:prefix##_##46();break; case 0x47:prefix##_##47();break; \ - case 0x48:prefix##_##48();break; case 0x49:prefix##_##49();break; case 0x4a:prefix##_##4a();break; case 0x4b:prefix##_##4b();break; \ - case 0x4c:prefix##_##4c();break; case 0x4d:prefix##_##4d();break; case 0x4e:prefix##_##4e();break; case 0x4f:prefix##_##4f();break; \ - case 0x50:prefix##_##50();break; case 0x51:prefix##_##51();break; case 0x52:prefix##_##52();break; case 0x53:prefix##_##53();break; \ - case 0x54:prefix##_##54();break; case 0x55:prefix##_##55();break; case 0x56:prefix##_##56();break; case 0x57:prefix##_##57();break; \ - case 0x58:prefix##_##58();break; case 0x59:prefix##_##59();break; case 0x5a:prefix##_##5a();break; case 0x5b:prefix##_##5b();break; \ - case 0x5c:prefix##_##5c();break; case 0x5d:prefix##_##5d();break; case 0x5e:prefix##_##5e();break; case 0x5f:prefix##_##5f();break; \ - case 0x60:prefix##_##60();break; case 0x61:prefix##_##61();break; case 0x62:prefix##_##62();break; case 0x63:prefix##_##63();break; \ - case 0x64:prefix##_##64();break; case 0x65:prefix##_##65();break; case 0x66:prefix##_##66();break; case 0x67:prefix##_##67();break; \ - case 0x68:prefix##_##68();break; case 0x69:prefix##_##69();break; case 0x6a:prefix##_##6a();break; case 0x6b:prefix##_##6b();break; \ - case 0x6c:prefix##_##6c();break; case 0x6d:prefix##_##6d();break; case 0x6e:prefix##_##6e();break; case 0x6f:prefix##_##6f();break; \ - case 0x70:prefix##_##70();break; case 0x71:prefix##_##71();break; case 0x72:prefix##_##72();break; case 0x73:prefix##_##73();break; \ - case 0x74:prefix##_##74();break; case 0x75:prefix##_##75();break; case 0x76:prefix##_##76();break; case 0x77:prefix##_##77();break; \ - case 0x78:prefix##_##78();break; case 0x79:prefix##_##79();break; case 0x7a:prefix##_##7a();break; case 0x7b:prefix##_##7b();break; \ - case 0x7c:prefix##_##7c();break; case 0x7d:prefix##_##7d();break; case 0x7e:prefix##_##7e();break; case 0x7f:prefix##_##7f();break; \ - case 0x80:prefix##_##80();break; case 0x81:prefix##_##81();break; case 0x82:prefix##_##82();break; case 0x83:prefix##_##83();break; \ - case 0x84:prefix##_##84();break; case 0x85:prefix##_##85();break; case 0x86:prefix##_##86();break; case 0x87:prefix##_##87();break; \ - case 0x88:prefix##_##88();break; case 0x89:prefix##_##89();break; case 0x8a:prefix##_##8a();break; case 0x8b:prefix##_##8b();break; \ - case 0x8c:prefix##_##8c();break; case 0x8d:prefix##_##8d();break; case 0x8e:prefix##_##8e();break; case 0x8f:prefix##_##8f();break; \ - case 0x90:prefix##_##90();break; case 0x91:prefix##_##91();break; case 0x92:prefix##_##92();break; case 0x93:prefix##_##93();break; \ - case 0x94:prefix##_##94();break; case 0x95:prefix##_##95();break; case 0x96:prefix##_##96();break; case 0x97:prefix##_##97();break; \ - case 0x98:prefix##_##98();break; case 0x99:prefix##_##99();break; case 0x9a:prefix##_##9a();break; case 0x9b:prefix##_##9b();break; \ - case 0x9c:prefix##_##9c();break; case 0x9d:prefix##_##9d();break; case 0x9e:prefix##_##9e();break; case 0x9f:prefix##_##9f();break; \ - case 0xa0:prefix##_##a0();break; case 0xa1:prefix##_##a1();break; case 0xa2:prefix##_##a2();break; case 0xa3:prefix##_##a3();break; \ - case 0xa4:prefix##_##a4();break; case 0xa5:prefix##_##a5();break; case 0xa6:prefix##_##a6();break; case 0xa7:prefix##_##a7();break; \ - case 0xa8:prefix##_##a8();break; case 0xa9:prefix##_##a9();break; case 0xaa:prefix##_##aa();break; case 0xab:prefix##_##ab();break; \ - case 0xac:prefix##_##ac();break; case 0xad:prefix##_##ad();break; case 0xae:prefix##_##ae();break; case 0xaf:prefix##_##af();break; \ - case 0xb0:prefix##_##b0();break; case 0xb1:prefix##_##b1();break; case 0xb2:prefix##_##b2();break; case 0xb3:prefix##_##b3();break; \ - case 0xb4:prefix##_##b4();break; case 0xb5:prefix##_##b5();break; case 0xb6:prefix##_##b6();break; case 0xb7:prefix##_##b7();break; \ - case 0xb8:prefix##_##b8();break; case 0xb9:prefix##_##b9();break; case 0xba:prefix##_##ba();break; case 0xbb:prefix##_##bb();break; \ - case 0xbc:prefix##_##bc();break; case 0xbd:prefix##_##bd();break; case 0xbe:prefix##_##be();break; case 0xbf:prefix##_##bf();break; \ - case 0xc0:prefix##_##c0();break; case 0xc1:prefix##_##c1();break; case 0xc2:prefix##_##c2();break; case 0xc3:prefix##_##c3();break; \ - case 0xc4:prefix##_##c4();break; case 0xc5:prefix##_##c5();break; case 0xc6:prefix##_##c6();break; case 0xc7:prefix##_##c7();break; \ - case 0xc8:prefix##_##c8();break; case 0xc9:prefix##_##c9();break; case 0xca:prefix##_##ca();break; case 0xcb:prefix##_##cb();break; \ - case 0xcc:prefix##_##cc();break; case 0xcd:prefix##_##cd();break; case 0xce:prefix##_##ce();break; case 0xcf:prefix##_##cf();break; \ - case 0xd0:prefix##_##d0();break; case 0xd1:prefix##_##d1();break; case 0xd2:prefix##_##d2();break; case 0xd3:prefix##_##d3();break; \ - case 0xd4:prefix##_##d4();break; case 0xd5:prefix##_##d5();break; case 0xd6:prefix##_##d6();break; case 0xd7:prefix##_##d7();break; \ - case 0xd8:prefix##_##d8();break; case 0xd9:prefix##_##d9();break; case 0xda:prefix##_##da();break; case 0xdb:prefix##_##db();break; \ - case 0xdc:prefix##_##dc();break; case 0xdd:prefix##_##dd();break; case 0xde:prefix##_##de();break; case 0xdf:prefix##_##df();break; \ - case 0xe0:prefix##_##e0();break; case 0xe1:prefix##_##e1();break; case 0xe2:prefix##_##e2();break; case 0xe3:prefix##_##e3();break; \ - case 0xe4:prefix##_##e4();break; case 0xe5:prefix##_##e5();break; case 0xe6:prefix##_##e6();break; case 0xe7:prefix##_##e7();break; \ - case 0xe8:prefix##_##e8();break; case 0xe9:prefix##_##e9();break; case 0xea:prefix##_##ea();break; case 0xeb:prefix##_##eb();break; \ - case 0xec:prefix##_##ec();break; case 0xed:prefix##_##ed();break; case 0xee:prefix##_##ee();break; case 0xef:prefix##_##ef();break; \ - case 0xf0:prefix##_##f0();break; case 0xf1:prefix##_##f1();break; case 0xf2:prefix##_##f2();break; case 0xf3:prefix##_##f3();break; \ - case 0xf4:prefix##_##f4();break; case 0xf5:prefix##_##f5();break; case 0xf6:prefix##_##f6();break; case 0xf7:prefix##_##f7();break; \ - case 0xf8:prefix##_##f8();break; case 0xf9:prefix##_##f9();break; case 0xfa:prefix##_##fa();break; case 0xfb:prefix##_##fb();break; \ - case 0xfc:prefix##_##fc();break; case 0xfd:prefix##_##fd();break; case 0xfe:prefix##_##fe();break; case 0xff:prefix##_##ff();break; \ - } \ -} while (0) /*************************************************************** * Enter halt state; write 1 to callback on first execution ***************************************************************/ -inline void z80_device::halt() +void z80_device::halt() { - PC--; if (!m_halt) { m_halt = 1; + set_service_attention<SA_HALT, 1>(); m_halt_cb(1); } } @@ -411,64 +58,30 @@ inline void z80_device::halt() /*************************************************************** * Leave halt state; write 0 to callback ***************************************************************/ -inline void z80_device::leave_halt() +void z80_device::leave_halt() { - if( m_halt ) + if (m_halt) { m_halt = 0; + set_service_attention<SA_HALT, 0>(); m_halt_cb(0); - PC++; } } /*************************************************************** - * Input a byte from given I/O port - ***************************************************************/ -inline uint8_t z80_device::in(uint16_t port) -{ - return m_io->read_byte(port); -} - -/*************************************************************** - * Output a byte to given I/O port - ***************************************************************/ -inline void z80_device::out(uint16_t port, uint8_t value) -{ - m_io->write_byte(port, value); -} - -/*************************************************************** * Read a byte from given memory location ***************************************************************/ -inline uint8_t z80_device::rm(uint16_t addr) -{ - return m_program->read_byte(addr); -} - -/*************************************************************** - * Read a word from given memory location - ***************************************************************/ -inline void z80_device::rm16(uint16_t addr, PAIR &r) +u8 z80_device::data_read(u16 addr) { - r.b.l = rm(addr); - r.b.h = rm((addr+1)); + return m_data.read_interruptible(addr); } /*************************************************************** * Write a byte to given memory location ***************************************************************/ -inline void z80_device::wm(uint16_t addr, uint8_t value) -{ - m_program->write_byte(addr, value); -} - -/*************************************************************** - * Write a word to given memory location - ***************************************************************/ -inline void z80_device::wm16(uint16_t addr, PAIR &r) +void z80_device::data_write(u16 addr, u8 value) { - wm(addr, r.b.l); - wm((addr+1), r.b.h); + m_data.write_interruptible(addr, value); } /*************************************************************** @@ -476,15 +89,9 @@ inline void z80_device::wm16(uint16_t addr, PAIR &r) * reading opcodes. In case of system with memory mapped I/O, * this function can be used to greatly speed up emulation ***************************************************************/ -inline uint8_t z80_device::rop() +u8 z80_device::opcode_read() { - unsigned pc = PCD; - PC++; - uint8_t res = m_opcodes_cache->read_byte(pc); - m_icount -= 2; - m_refresh_cb((m_i << 8) | (m_r2 & 0x80) | ((m_r-1) & 0x7f), 0x00, 0xff); - m_icount += 2; - return res; + return m_opcodes.read_byte(PC); } /**************************************************************** @@ -492,252 +99,46 @@ inline uint8_t z80_device::rop() * for reading opcode arguments. This difference can be used to * support systems that use different encoding mechanisms for * opcodes and opcode arguments + * out: TDAT8 ***************************************************************/ -inline uint8_t z80_device::arg() -{ - unsigned pc = PCD; - PC++; - return m_cache->read_byte(pc); -} - -inline uint16_t z80_device::arg16() -{ - unsigned pc = PCD; - PC += 2; - return m_cache->read_byte(pc) | (m_cache->read_byte((pc+1)&0xffff) << 8); -} - -/*************************************************************** - * Calculate the effective address EA of an opcode using - * IX+offset resp. IY+offset addressing. - ***************************************************************/ -inline void z80_device::eax() -{ - m_ea = (uint32_t)(uint16_t)(IX + (int8_t)arg()); - WZ = m_ea; -} - -inline void z80_device::eay() -{ - m_ea = (uint32_t)(uint16_t)(IY + (int8_t)arg()); - WZ = m_ea; -} - -/*************************************************************** - * POP - ***************************************************************/ -inline void z80_device::pop(PAIR &r) -{ - rm16(SPD, r); - SP += 2; -} - -/*************************************************************** - * PUSH - ***************************************************************/ -inline void z80_device::push(PAIR &r) +u8 z80_device::arg_read() { - SP -= 2; - wm16(SPD, r); -} - -/*************************************************************** - * JP - ***************************************************************/ -inline void z80_device::jp(void) -{ - PCD = arg16(); - WZ = PCD; -} - -/*************************************************************** - * JP_COND - ***************************************************************/ -inline void z80_device::jp_cond(bool cond) -{ - if (cond) - { - PCD = arg16(); - WZ = PCD; - } - else - { - WZ = arg16(); /* implicit do PC += 2 */ - } -} - -/*************************************************************** - * JR - ***************************************************************/ -inline void z80_device::jr() -{ - int8_t a = (int8_t)arg(); /* arg() also increments PC */ - PC += a; /* so don't do PC += arg() */ - WZ = PC; -} - -/*************************************************************** - * JR_COND - ***************************************************************/ -inline void z80_device::jr_cond(bool cond, uint8_t opcode) -{ - if (cond) - { - jr(); - CC(ex, opcode); - } - else - PC++; -} - -/*************************************************************** - * CALL - ***************************************************************/ -inline void z80_device::call() -{ - m_ea = arg16(); - WZ = m_ea; - push(m_pc); - PCD = m_ea; -} - -/*************************************************************** - * CALL_COND - ***************************************************************/ -inline void z80_device::call_cond(bool cond, uint8_t opcode) -{ - if (cond) - { - m_ea = arg16(); - WZ = m_ea; - push(m_pc); - PCD = m_ea; - CC(ex, opcode); - } - else - { - WZ = arg16(); /* implicit call PC+=2; */ - } -} - -/*************************************************************** - * RET_COND - ***************************************************************/ -inline void z80_device::ret_cond(bool cond, uint8_t opcode) -{ - if (cond) - { - pop(m_pc); - WZ = PC; - CC(ex, opcode); - } -} - -/*************************************************************** - * RETN - ***************************************************************/ -inline void z80_device::retn() -{ - LOG(("Z80 RETN m_iff1:%d m_iff2:%d\n", - m_iff1, m_iff2)); - pop(m_pc); - WZ = PC; - m_iff1 = m_iff2; -} - -/*************************************************************** - * RETI - ***************************************************************/ -inline void z80_device::reti() -{ - pop(m_pc); - WZ = PC; - m_iff1 = m_iff2; - daisy_call_reti_device(); -} - -/*************************************************************** - * LD R,A - ***************************************************************/ -inline void z80_device::ld_r_a() -{ - m_r = A; - m_r2 = A & 0x80; /* keep bit 7 of r */ -} - -/*************************************************************** - * LD A,R - ***************************************************************/ -inline void z80_device::ld_a_r() -{ - A = (m_r & 0x7f) | m_r2; - F = (F & CF) | SZ[A] | (m_iff2 << 2); - m_after_ldair = true; -} - -/*************************************************************** - * LD I,A - ***************************************************************/ -inline void z80_device::ld_i_a() -{ - m_i = A; -} - -/*************************************************************** - * LD A,I - ***************************************************************/ -inline void z80_device::ld_a_i() -{ - A = m_i; - F = (F & CF) | SZ[A] | (m_iff2 << 2); - m_after_ldair = true; -} - -/*************************************************************** - * RST - ***************************************************************/ -inline void z80_device::rst(uint16_t addr) -{ - push(m_pc); - PCD = addr; - WZ = PC; + return m_args.read_byte(PC); } /*************************************************************** * INC r8 ***************************************************************/ -inline uint8_t z80_device::inc(uint8_t value) +void z80_device::inc(u8 &r) { - uint8_t res = value + 1; - F = (F & CF) | SZHV_inc[res]; - return (uint8_t)res; + ++r; + set_f((F & CF) | SZHV_inc[r]); } /*************************************************************** * DEC r8 ***************************************************************/ -inline uint8_t z80_device::dec(uint8_t value) +void z80_device::dec(u8 &r) { - uint8_t res = value - 1; - F = (F & CF) | SZHV_dec[res]; - return res; + --r; + set_f((F & CF) | SZHV_dec[r]); } /*************************************************************** * RLCA ***************************************************************/ -inline void z80_device::rlca() +void z80_device::rlca() { A = (A << 1) | (A >> 7); - F = (F & (SF | ZF | PF)) | (A & (YF | XF | CF)); + set_f((F & (SF | ZF | PF)) | (A & (YF | XF | CF))); } /*************************************************************** * RRCA ***************************************************************/ -inline void z80_device::rrca() +void z80_device::rrca() { - F = (F & (SF | ZF | PF)) | (A & CF); + set_f((F & (SF | ZF | PF)) | (A & CF)); A = (A >> 1) | (A << 7); F |= (A & (YF | XF)); } @@ -745,2608 +146,401 @@ inline void z80_device::rrca() /*************************************************************** * RLA ***************************************************************/ -inline void z80_device::rla() +void z80_device::rla() { - uint8_t res = (A << 1) | (F & CF); - uint8_t c = (A & 0x80) ? CF : 0; - F = (F & (SF | ZF | PF)) | c | (res & (YF | XF)); + u8 res = (A << 1) | (F & CF); + u8 c = (A & 0x80) ? CF : 0; + set_f((F & (SF | ZF | PF)) | c | (res & (YF | XF))); A = res; } /*************************************************************** * RRA ***************************************************************/ -inline void z80_device::rra() +void z80_device::rra() { - uint8_t res = (A >> 1) | (F << 7); - uint8_t c = (A & 0x01) ? CF : 0; - F = (F & (SF | ZF | PF)) | c | (res & (YF | XF)); + u8 res = (A >> 1) | (F << 7); + u8 c = (A & 0x01) ? CF : 0; + set_f((F & (SF | ZF | PF)) | c | (res & (YF | XF))); A = res; } /*************************************************************** - * RRD - ***************************************************************/ -inline void z80_device::rrd() -{ - uint8_t n = rm(HL); - WZ = HL+1; - wm(HL, (n >> 4) | (A << 4)); - A = (A & 0xf0) | (n & 0x0f); - F = (F & CF) | SZP[A]; -} - -/*************************************************************** - * RLD - ***************************************************************/ -inline void z80_device::rld() -{ - uint8_t n = rm(HL); - WZ = HL+1; - wm(HL, (n << 4) | (A & 0x0f)); - A = (A & 0xf0) | (n >> 4); - F = (F & CF) | SZP[A]; -} - -/*************************************************************** * ADD A,n ***************************************************************/ -inline void z80_device::add_a(uint8_t value) +void z80_device::add_a(u8 value) { - uint32_t ah = AFD & 0xff00; - uint32_t res = (uint8_t)((ah >> 8) + value); - F = SZHVC_add[ah | res]; + const u16 res = A + value; + u8 f = (((A ^ res) & (value ^ res)) >> 5) & VF; + f |= flags_szyxc(res); + f |= ((A & 0x0f) + (value & 0x0f)) & HF; + set_f(f); A = res; } /*************************************************************** * ADC A,n ***************************************************************/ -inline void z80_device::adc_a(uint8_t value) +void z80_device::adc_a(u8 value) { - uint32_t ah = AFD & 0xff00, c = AFD & 1; - uint32_t res = (uint8_t)((ah >> 8) + value + c); - F = SZHVC_add[(c << 16) | ah | res]; + const int c = F & CF; + const u16 res = A + value + c; + u8 f = (((A ^ res) & (value ^ res)) >> 5) & VF; + f |= flags_szyxc(res); + f |= ((A & 0x0f) + (value & 0x0f) + c) & HF; + + set_f(f); A = res; } /*************************************************************** - * SUB n + * SUB A,n ***************************************************************/ -inline void z80_device::sub(uint8_t value) +void z80_device::sub_a(u8 value) { - uint32_t ah = AFD & 0xff00; - uint32_t res = (uint8_t)((ah >> 8) - value); - F = SZHVC_sub[ah | res]; + const u16 res = A - value; + u8 f = (((A ^ value) & (A ^ res)) >> 5) & VF; + f |= NF | flags_szyxc(res); + f |= ((A & 0x0f) - (value & 0x0f)) & HF; + + set_f(f); A = res; } /*************************************************************** * SBC A,n ***************************************************************/ -inline void z80_device::sbc_a(uint8_t value) +void z80_device::sbc_a(u8 value) { - uint32_t ah = AFD & 0xff00, c = AFD & 1; - uint32_t res = (uint8_t)((ah >> 8) - value - c); - F = SZHVC_sub[(c<<16) | ah | res]; + const int c = F & CF; + const u16 res = A - value - c; + u8 f = (((A ^ value) & (A ^ res)) >> 5) & VF; + f |= NF | flags_szyxc(res); + f |= ((A & 0x0f) - (value & 0x0f) - c) & HF; + + set_f(f); A = res; } /*************************************************************** * NEG ***************************************************************/ -inline void z80_device::neg() +void z80_device::neg() { - uint8_t value = A; + u8 value = A; A = 0; - sub(value); + sub_a(value); } /*************************************************************** * DAA ***************************************************************/ -inline void z80_device::daa() +void z80_device::daa() { - uint8_t a = A; - if (F & NF) { + u8 a = A; + if (F & NF) + { if ((F&HF) | ((A&0xf)>9)) a-=6; if ((F&CF) | (A>0x99)) a-=0x60; } - else { + else + { if ((F&HF) | ((A&0xf)>9)) a+=6; if ((F&CF) | (A>0x99)) a+=0x60; } - F = (F&(CF|NF)) | (A>0x99) | ((A^a)&HF) | SZP[a]; + set_f((F&(CF|NF)) | (A>0x99) | ((A^a)&HF) | SZP[a]); A = a; } /*************************************************************** * AND n ***************************************************************/ -inline void z80_device::and_a(uint8_t value) +void z80_device::and_a(u8 value) { A &= value; - F = SZP[A] | HF; + set_f(SZP[A] | HF); } /*************************************************************** * OR n ***************************************************************/ -inline void z80_device::or_a(uint8_t value) +void z80_device::or_a(u8 value) { A |= value; - F = SZP[A]; + set_f(SZP[A]); } /*************************************************************** * XOR n ***************************************************************/ -inline void z80_device::xor_a(uint8_t value) +void z80_device::xor_a(u8 value) { A ^= value; - F = SZP[A]; + set_f(SZP[A]); } /*************************************************************** * CP n ***************************************************************/ -inline void z80_device::cp(uint8_t value) +void z80_device::cp(u8 value) { - unsigned val = value; - uint32_t ah = AFD & 0xff00; - uint32_t res = (uint8_t)((ah >> 8) - val); - F = (SZHVC_sub[ah | res] & ~(YF | XF)) | - (val & (YF | XF)); -} + const u16 res = A - value; + u8 f = (((A ^ value) & (A ^ res)) >> 5) & VF; + f |= NF | flags_szyxc(res); + f |= ((A & 0x0f) - (value & 0x0f)) & HF; -/*************************************************************** - * EX AF,AF' - ***************************************************************/ -inline void z80_device::ex_af() -{ - PAIR tmp; - tmp = m_af; m_af = m_af2; m_af2 = tmp; -} - -/*************************************************************** - * EX DE,HL - ***************************************************************/ -inline void z80_device::ex_de_hl() -{ - PAIR tmp; - tmp = m_de; m_de = m_hl; m_hl = tmp; + set_f((f & ~(YF | XF)) | (value & (YF | XF))); } /*************************************************************** * EXX ***************************************************************/ -inline void z80_device::exx() -{ - PAIR tmp; - tmp = m_bc; m_bc = m_bc2; m_bc2 = tmp; - tmp = m_de; m_de = m_de2; m_de2 = tmp; - tmp = m_hl; m_hl = m_hl2; m_hl2 = tmp; -} - -/*************************************************************** - * EX (SP),r16 - ***************************************************************/ -inline void z80_device::ex_sp(PAIR &r) -{ - PAIR tmp = { { 0, 0, 0, 0 } }; - rm16(SPD, tmp); - wm16(SPD, r); - r = tmp; - WZ = r.d; -} - -/*************************************************************** - * ADD16 - ***************************************************************/ -inline void z80_device::add16(PAIR &dr, PAIR &sr) +void z80_device::exx() { - uint32_t res = dr.d + sr.d; - WZ = dr.d + 1; - F = (F & (SF | ZF | VF)) | - (((dr.d ^ res ^ sr.d) >> 8) & HF) | - ((res >> 16) & CF) | ((res >> 8) & (YF | XF)); - dr.w.l = (uint16_t)res; -} - -/*************************************************************** - * ADC HL,r16 - ***************************************************************/ -inline void z80_device::adc_hl(PAIR &r) -{ - uint32_t res = HLD + r.d + (F & CF); - WZ = HL + 1; - F = (((HLD ^ res ^ r.d) >> 8) & HF) | - ((res >> 16) & CF) | - ((res >> 8) & (SF | YF | XF)) | - ((res & 0xffff) ? 0 : ZF) | - (((r.d ^ HLD ^ 0x8000) & (r.d ^ res) & 0x8000) >> 13); - HL = (uint16_t)res; -} - -/*************************************************************** - * SBC HL,r16 - ***************************************************************/ -inline void z80_device::sbc_hl(PAIR &r) -{ - uint32_t res = HLD - r.d - (F & CF); - WZ = HL + 1; - F = (((HLD ^ res ^ r.d) >> 8) & HF) | NF | - ((res >> 16) & CF) | - ((res >> 8) & (SF | YF | XF)) | - ((res & 0xffff) ? 0 : ZF) | - (((r.d ^ HLD) & (HLD ^ res) &0x8000) >> 13); - HL = (uint16_t)res; + using std::swap; + swap(m_bc, m_bc2); + swap(m_de, m_de2); + swap(m_hl, m_hl2); } /*************************************************************** * RLC r8 ***************************************************************/ -inline uint8_t z80_device::rlc(uint8_t value) +u8 z80_device::rlc(u8 value) { unsigned res = value; unsigned c = (res & 0x80) ? CF : 0; res = ((res << 1) | (res >> 7)) & 0xff; - F = SZP[res] | c; + set_f(SZP[res] | c); return res; } /*************************************************************** * RRC r8 ***************************************************************/ -inline uint8_t z80_device::rrc(uint8_t value) +u8 z80_device::rrc(u8 value) { unsigned res = value; unsigned c = (res & 0x01) ? CF : 0; res = ((res >> 1) | (res << 7)) & 0xff; - F = SZP[res] | c; + set_f(SZP[res] | c); return res; } /*************************************************************** * RL r8 ***************************************************************/ -inline uint8_t z80_device::rl(uint8_t value) +u8 z80_device::rl(u8 value) { unsigned res = value; unsigned c = (res & 0x80) ? CF : 0; res = ((res << 1) | (F & CF)) & 0xff; - F = SZP[res] | c; + set_f(SZP[res] | c); return res; } /*************************************************************** * RR r8 ***************************************************************/ -inline uint8_t z80_device::rr(uint8_t value) +u8 z80_device::rr(u8 value) { unsigned res = value; unsigned c = (res & 0x01) ? CF : 0; res = ((res >> 1) | (F << 7)) & 0xff; - F = SZP[res] | c; + set_f(SZP[res] | c); return res; } /*************************************************************** * SLA r8 ***************************************************************/ -inline uint8_t z80_device::sla(uint8_t value) +u8 z80_device::sla(u8 value) { unsigned res = value; unsigned c = (res & 0x80) ? CF : 0; res = (res << 1) & 0xff; - F = SZP[res] | c; + set_f(SZP[res] | c); return res; } /*************************************************************** * SRA r8 ***************************************************************/ -inline uint8_t z80_device::sra(uint8_t value) +u8 z80_device::sra(u8 value) { unsigned res = value; unsigned c = (res & 0x01) ? CF : 0; res = ((res >> 1) | (res & 0x80)) & 0xff; - F = SZP[res] | c; + set_f(SZP[res] | c); return res; } /*************************************************************** * SLL r8 ***************************************************************/ -inline uint8_t z80_device::sll(uint8_t value) +u8 z80_device::sll(u8 value) { unsigned res = value; unsigned c = (res & 0x80) ? CF : 0; res = ((res << 1) | 0x01) & 0xff; - F = SZP[res] | c; + set_f(SZP[res] | c); return res; } /*************************************************************** * SRL r8 ***************************************************************/ -inline uint8_t z80_device::srl(uint8_t value) +u8 z80_device::srl(u8 value) { unsigned res = value; unsigned c = (res & 0x01) ? CF : 0; res = (res >> 1) & 0xff; - F = SZP[res] | c; + set_f(SZP[res] | c); return res; } /*************************************************************** * BIT bit,r8 ***************************************************************/ -inline void z80_device::bit(int bit, uint8_t value) +void z80_device::bit(int bit, u8 value) { - F = (F & CF) | HF | (SZ_BIT[value & (1<<bit)] & ~(YF|XF)) | (value & (YF|XF)); + set_f((F & CF) | HF | (SZ_BIT[value & (1 << bit)] & ~(YF | XF)) | (value & (YF | XF))); } /*************************************************************** * BIT bit,(HL) ***************************************************************/ -inline void z80_device::bit_hl(int bit, uint8_t value) +void z80_device::bit_hl(int bit, u8 value) { - F = (F & CF) | HF | (SZ_BIT[value & (1<<bit)] & ~(YF|XF)) | (WZ_H & (YF|XF)); + set_f((F & CF) | HF | (SZ_BIT[value & (1 << bit)] & ~(YF | XF)) | (WZ_H & (YF | XF))); } /*************************************************************** * BIT bit,(IX/Y+o) ***************************************************************/ -inline void z80_device::bit_xy(int bit, uint8_t value) +void z80_device::bit_xy(int bit, u8 value) { - F = (F & CF) | HF | (SZ_BIT[value & (1<<bit)] & ~(YF|XF)) | ((m_ea>>8) & (YF|XF)); + set_f((F & CF) | HF | (SZ_BIT[value & (1 << bit)] & ~(YF | XF)) | ((m_ea >> 8) & (YF | XF))); } /*************************************************************** * RES bit,r8 ***************************************************************/ -inline uint8_t z80_device::res(int bit, uint8_t value) +u8 z80_device::res(int bit, u8 value) { - return value & ~(1<<bit); + return value & ~(1 << bit); } /*************************************************************** * SET bit,r8 ***************************************************************/ -inline uint8_t z80_device::set(int bit, uint8_t value) -{ - return value | (1<<bit); -} - -/*************************************************************** - * LDI - ***************************************************************/ -inline void z80_device::ldi() -{ - uint8_t io = rm(HL); - wm(DE, io); - F &= SF | ZF | CF; - if ((A + io) & 0x02) F |= YF; /* bit 1 -> flag 5 */ - if ((A + io) & 0x08) F |= XF; /* bit 3 -> flag 3 */ - HL++; DE++; BC--; - if(BC) F |= VF; -} - -/*************************************************************** - * CPI - ***************************************************************/ -inline void z80_device::cpi() +u8 z80_device::set(int bit, u8 value) { - uint8_t val = rm(HL); - uint8_t res = A - val; - WZ++; - HL++; BC--; - F = (F & CF) | (SZ[res]&~(YF|XF)) | ((A^val^res)&HF) | NF; - if (F & HF) res -= 1; - if (res & 0x02) F |= YF; /* bit 1 -> flag 5 */ - if (res & 0x08) F |= XF; /* bit 3 -> flag 3 */ - if (BC) F |= VF; + return value | (1 << bit); } -/*************************************************************** - * INI - ***************************************************************/ -inline void z80_device::ini() +void z80_device::block_io_interrupted_flags() { - unsigned t; - uint8_t io = in(BC); - WZ = BC + 1; - B--; - wm(HL, io); - HL++; - F = SZ[B]; - t = (unsigned)((C + 1) & 0xff) + (unsigned)io; - if (io & SF) F |= NF; - if (t & 0x100) F |= HF | CF; - F |= SZP[(uint8_t)(t & 0x07) ^ B] & PF; -} - -/*************************************************************** - * OUTI - ***************************************************************/ -inline void z80_device::outi() -{ - unsigned t; - uint8_t io = rm(HL); - B--; - WZ = BC + 1; - out(BC, io); - HL++; - F = SZ[B]; - t = (unsigned)L + (unsigned)io; - if (io & SF) F |= NF; - if (t & 0x100) F |= HF | CF; - F |= SZP[(uint8_t)(t & 0x07) ^ B] & PF; -} - -/*************************************************************** - * LDD - ***************************************************************/ -inline void z80_device::ldd() -{ - uint8_t io = rm(HL); - wm(DE, io); - F &= SF | ZF | CF; - if ((A + io) & 0x02) F |= YF; /* bit 1 -> flag 5 */ - if ((A + io) & 0x08) F |= XF; /* bit 3 -> flag 3 */ - HL--; DE--; BC--; - if (BC) F |= VF; -} - -/*************************************************************** - * CPD - ***************************************************************/ -inline void z80_device::cpd() -{ - uint8_t val = rm(HL); - uint8_t res = A - val; - WZ--; - HL--; BC--; - F = (F & CF) | (SZ[res]&~(YF|XF)) | ((A^val^res)&HF) | NF; - if (F & HF) res -= 1; - if (res & 0x02) F |= YF; /* bit 1 -> flag 5 */ - if (res & 0x08) F |= XF; /* bit 3 -> flag 3 */ - if (BC) F |= VF; -} - -/*************************************************************** - * IND - ***************************************************************/ -inline void z80_device::ind() -{ - unsigned t; - uint8_t io = in(BC); - WZ = BC - 1; - B--; - wm(HL, io); - HL--; - F = SZ[B]; - t = ((unsigned)(C - 1) & 0xff) + (unsigned)io; - if (io & SF) F |= NF; - if (t & 0x100) F |= HF | CF; - F |= SZP[(uint8_t)(t & 0x07) ^ B] & PF; -} - -/*************************************************************** - * OUTD - ***************************************************************/ -inline void z80_device::outd() -{ - unsigned t; - uint8_t io = rm(HL); - B--; - WZ = BC - 1; - out(BC, io); - HL--; - F = SZ[B]; - t = (unsigned)L + (unsigned)io; - if (io & SF) F |= NF; - if (t & 0x100) F |= HF | CF; - F |= SZP[(uint8_t)(t & 0x07) ^ B] & PF; -} - -/*************************************************************** - * LDIR - ***************************************************************/ -inline void z80_device::ldir() -{ - ldi(); - if (BC != 0) + F &= ~(YF | XF); + F |= (PC >> 8) & (YF | XF); + if (F & CF) { - PC -= 2; - WZ = PC + 1; - CC(ex, 0xb0); - } -} - -/*************************************************************** - * CPIR - ***************************************************************/ -inline void z80_device::cpir() -{ - cpi(); - if (BC != 0 && !(F & ZF)) - { - PC -= 2; - WZ = PC + 1; - CC(ex, 0xb1); - } -} - -/*************************************************************** - * INIR - ***************************************************************/ -inline void z80_device::inir() -{ - ini(); - if (B != 0) - { - PC -= 2; - CC(ex, 0xb2); - } -} - -/*************************************************************** - * OTIR - ***************************************************************/ -inline void z80_device::otir() -{ - outi(); - if (B != 0) - { - PC -= 2; - CC(ex, 0xb3); - } -} - -/*************************************************************** - * LDDR - ***************************************************************/ -inline void z80_device::lddr() -{ - ldd(); - if (BC != 0) - { - PC -= 2; - WZ = PC + 1; - CC(ex, 0xb8); - } -} - -/*************************************************************** - * CPDR - ***************************************************************/ -inline void z80_device::cpdr() -{ - cpd(); - if (BC != 0 && !(F & ZF)) - { - PC -= 2; - WZ = PC + 1; - CC(ex, 0xb9); - } -} - -/*************************************************************** - * INDR - ***************************************************************/ -inline void z80_device::indr() -{ - ind(); - if (B != 0) - { - PC -= 2; - CC(ex, 0xba); + F &= ~HF; + if (TDAT8 & 0x80) + { + F ^= (SZP[(B - 1) & 0x07] ^ PF) & PF; + if ((B & 0x0f) == 0x00) F |= HF; + } + else + { + F ^= (SZP[(B + 1) & 0x07] ^ PF) & PF; + if ((B & 0x0f) == 0x0f) F |= HF; + } } -} - -/*************************************************************** - * OTDR - ***************************************************************/ -inline void z80_device::otdr() -{ - outd(); - if (B != 0) + else { - PC -= 2; - CC(ex, 0xbb); + F ^=(SZP[B & 0x07] ^ PF) & PF; } } /*************************************************************** * EI ***************************************************************/ -inline void z80_device::ei() +void z80_device::ei() { m_iff1 = m_iff2 = 1; - m_after_ei = true; -} - -/********************************************************** - * opcodes with CB prefix - * rotate, shift and bit operations - **********************************************************/ -OP(cb,00) { B = rlc(B); } /* RLC B */ -OP(cb,01) { C = rlc(C); } /* RLC C */ -OP(cb,02) { D = rlc(D); } /* RLC D */ -OP(cb,03) { E = rlc(E); } /* RLC E */ -OP(cb,04) { H = rlc(H); } /* RLC H */ -OP(cb,05) { L = rlc(L); } /* RLC L */ -OP(cb,06) { wm(HL, rlc(rm(HL))); } /* RLC (HL) */ -OP(cb,07) { A = rlc(A); } /* RLC A */ - -OP(cb,08) { B = rrc(B); } /* RRC B */ -OP(cb,09) { C = rrc(C); } /* RRC C */ -OP(cb,0a) { D = rrc(D); } /* RRC D */ -OP(cb,0b) { E = rrc(E); } /* RRC E */ -OP(cb,0c) { H = rrc(H); } /* RRC H */ -OP(cb,0d) { L = rrc(L); } /* RRC L */ -OP(cb,0e) { wm(HL, rrc(rm(HL))); } /* RRC (HL) */ -OP(cb,0f) { A = rrc(A); } /* RRC A */ - -OP(cb,10) { B = rl(B); } /* RL B */ -OP(cb,11) { C = rl(C); } /* RL C */ -OP(cb,12) { D = rl(D); } /* RL D */ -OP(cb,13) { E = rl(E); } /* RL E */ -OP(cb,14) { H = rl(H); } /* RL H */ -OP(cb,15) { L = rl(L); } /* RL L */ -OP(cb,16) { wm(HL, rl(rm(HL))); } /* RL (HL) */ -OP(cb,17) { A = rl(A); } /* RL A */ - -OP(cb,18) { B = rr(B); } /* RR B */ -OP(cb,19) { C = rr(C); } /* RR C */ -OP(cb,1a) { D = rr(D); } /* RR D */ -OP(cb,1b) { E = rr(E); } /* RR E */ -OP(cb,1c) { H = rr(H); } /* RR H */ -OP(cb,1d) { L = rr(L); } /* RR L */ -OP(cb,1e) { wm(HL, rr(rm(HL))); } /* RR (HL) */ -OP(cb,1f) { A = rr(A); } /* RR A */ - -OP(cb,20) { B = sla(B); } /* SLA B */ -OP(cb,21) { C = sla(C); } /* SLA C */ -OP(cb,22) { D = sla(D); } /* SLA D */ -OP(cb,23) { E = sla(E); } /* SLA E */ -OP(cb,24) { H = sla(H); } /* SLA H */ -OP(cb,25) { L = sla(L); } /* SLA L */ -OP(cb,26) { wm(HL, sla(rm(HL))); } /* SLA (HL) */ -OP(cb,27) { A = sla(A); } /* SLA A */ - -OP(cb,28) { B = sra(B); } /* SRA B */ -OP(cb,29) { C = sra(C); } /* SRA C */ -OP(cb,2a) { D = sra(D); } /* SRA D */ -OP(cb,2b) { E = sra(E); } /* SRA E */ -OP(cb,2c) { H = sra(H); } /* SRA H */ -OP(cb,2d) { L = sra(L); } /* SRA L */ -OP(cb,2e) { wm(HL, sra(rm(HL))); } /* SRA (HL) */ -OP(cb,2f) { A = sra(A); } /* SRA A */ - -OP(cb,30) { B = sll(B); } /* SLL B */ -OP(cb,31) { C = sll(C); } /* SLL C */ -OP(cb,32) { D = sll(D); } /* SLL D */ -OP(cb,33) { E = sll(E); } /* SLL E */ -OP(cb,34) { H = sll(H); } /* SLL H */ -OP(cb,35) { L = sll(L); } /* SLL L */ -OP(cb,36) { wm(HL, sll(rm(HL))); } /* SLL (HL) */ -OP(cb,37) { A = sll(A); } /* SLL A */ - -OP(cb,38) { B = srl(B); } /* SRL B */ -OP(cb,39) { C = srl(C); } /* SRL C */ -OP(cb,3a) { D = srl(D); } /* SRL D */ -OP(cb,3b) { E = srl(E); } /* SRL E */ -OP(cb,3c) { H = srl(H); } /* SRL H */ -OP(cb,3d) { L = srl(L); } /* SRL L */ -OP(cb,3e) { wm(HL, srl(rm(HL))); } /* SRL (HL) */ -OP(cb,3f) { A = srl(A); } /* SRL A */ - -OP(cb,40) { bit(0, B); } /* BIT 0,B */ -OP(cb,41) { bit(0, C); } /* BIT 0,C */ -OP(cb,42) { bit(0, D); } /* BIT 0,D */ -OP(cb,43) { bit(0, E); } /* BIT 0,E */ -OP(cb,44) { bit(0, H); } /* BIT 0,H */ -OP(cb,45) { bit(0, L); } /* BIT 0,L */ -OP(cb,46) { bit_hl(0, rm(HL)); } /* BIT 0,(HL) */ -OP(cb,47) { bit(0, A); } /* BIT 0,A */ - -OP(cb,48) { bit(1, B); } /* BIT 1,B */ -OP(cb,49) { bit(1, C); } /* BIT 1,C */ -OP(cb,4a) { bit(1, D); } /* BIT 1,D */ -OP(cb,4b) { bit(1, E); } /* BIT 1,E */ -OP(cb,4c) { bit(1, H); } /* BIT 1,H */ -OP(cb,4d) { bit(1, L); } /* BIT 1,L */ -OP(cb,4e) { bit_hl(1, rm(HL)); } /* BIT 1,(HL) */ -OP(cb,4f) { bit(1, A); } /* BIT 1,A */ - -OP(cb,50) { bit(2, B); } /* BIT 2,B */ -OP(cb,51) { bit(2, C); } /* BIT 2,C */ -OP(cb,52) { bit(2, D); } /* BIT 2,D */ -OP(cb,53) { bit(2, E); } /* BIT 2,E */ -OP(cb,54) { bit(2, H); } /* BIT 2,H */ -OP(cb,55) { bit(2, L); } /* BIT 2,L */ -OP(cb,56) { bit_hl(2, rm(HL)); } /* BIT 2,(HL) */ -OP(cb,57) { bit(2, A); } /* BIT 2,A */ - -OP(cb,58) { bit(3, B); } /* BIT 3,B */ -OP(cb,59) { bit(3, C); } /* BIT 3,C */ -OP(cb,5a) { bit(3, D); } /* BIT 3,D */ -OP(cb,5b) { bit(3, E); } /* BIT 3,E */ -OP(cb,5c) { bit(3, H); } /* BIT 3,H */ -OP(cb,5d) { bit(3, L); } /* BIT 3,L */ -OP(cb,5e) { bit_hl(3, rm(HL)); } /* BIT 3,(HL) */ -OP(cb,5f) { bit(3, A); } /* BIT 3,A */ - -OP(cb,60) { bit(4, B); } /* BIT 4,B */ -OP(cb,61) { bit(4, C); } /* BIT 4,C */ -OP(cb,62) { bit(4, D); } /* BIT 4,D */ -OP(cb,63) { bit(4, E); } /* BIT 4,E */ -OP(cb,64) { bit(4, H); } /* BIT 4,H */ -OP(cb,65) { bit(4, L); } /* BIT 4,L */ -OP(cb,66) { bit_hl(4, rm(HL)); } /* BIT 4,(HL) */ -OP(cb,67) { bit(4, A); } /* BIT 4,A */ - -OP(cb,68) { bit(5, B); } /* BIT 5,B */ -OP(cb,69) { bit(5, C); } /* BIT 5,C */ -OP(cb,6a) { bit(5, D); } /* BIT 5,D */ -OP(cb,6b) { bit(5, E); } /* BIT 5,E */ -OP(cb,6c) { bit(5, H); } /* BIT 5,H */ -OP(cb,6d) { bit(5, L); } /* BIT 5,L */ -OP(cb,6e) { bit_hl(5, rm(HL)); } /* BIT 5,(HL) */ -OP(cb,6f) { bit(5, A); } /* BIT 5,A */ - -OP(cb,70) { bit(6, B); } /* BIT 6,B */ -OP(cb,71) { bit(6, C); } /* BIT 6,C */ -OP(cb,72) { bit(6, D); } /* BIT 6,D */ -OP(cb,73) { bit(6, E); } /* BIT 6,E */ -OP(cb,74) { bit(6, H); } /* BIT 6,H */ -OP(cb,75) { bit(6, L); } /* BIT 6,L */ -OP(cb,76) { bit_hl(6, rm(HL)); } /* BIT 6,(HL) */ -OP(cb,77) { bit(6, A); } /* BIT 6,A */ - -OP(cb,78) { bit(7, B); } /* BIT 7,B */ -OP(cb,79) { bit(7, C); } /* BIT 7,C */ -OP(cb,7a) { bit(7, D); } /* BIT 7,D */ -OP(cb,7b) { bit(7, E); } /* BIT 7,E */ -OP(cb,7c) { bit(7, H); } /* BIT 7,H */ -OP(cb,7d) { bit(7, L); } /* BIT 7,L */ -OP(cb,7e) { bit_hl(7, rm(HL)); } /* BIT 7,(HL) */ -OP(cb,7f) { bit(7, A); } /* BIT 7,A */ - -OP(cb,80) { B = res(0, B); } /* RES 0,B */ -OP(cb,81) { C = res(0, C); } /* RES 0,C */ -OP(cb,82) { D = res(0, D); } /* RES 0,D */ -OP(cb,83) { E = res(0, E); } /* RES 0,E */ -OP(cb,84) { H = res(0, H); } /* RES 0,H */ -OP(cb,85) { L = res(0, L); } /* RES 0,L */ -OP(cb,86) { wm(HL, res(0, rm(HL))); } /* RES 0,(HL) */ -OP(cb,87) { A = res(0, A); } /* RES 0,A */ - -OP(cb,88) { B = res(1, B); } /* RES 1,B */ -OP(cb,89) { C = res(1, C); } /* RES 1,C */ -OP(cb,8a) { D = res(1, D); } /* RES 1,D */ -OP(cb,8b) { E = res(1, E); } /* RES 1,E */ -OP(cb,8c) { H = res(1, H); } /* RES 1,H */ -OP(cb,8d) { L = res(1, L); } /* RES 1,L */ -OP(cb,8e) { wm(HL, res(1, rm(HL))); } /* RES 1,(HL) */ -OP(cb,8f) { A = res(1, A); } /* RES 1,A */ - -OP(cb,90) { B = res(2, B); } /* RES 2,B */ -OP(cb,91) { C = res(2, C); } /* RES 2,C */ -OP(cb,92) { D = res(2, D); } /* RES 2,D */ -OP(cb,93) { E = res(2, E); } /* RES 2,E */ -OP(cb,94) { H = res(2, H); } /* RES 2,H */ -OP(cb,95) { L = res(2, L); } /* RES 2,L */ -OP(cb,96) { wm(HL, res(2, rm(HL))); } /* RES 2,(HL) */ -OP(cb,97) { A = res(2, A); } /* RES 2,A */ - -OP(cb,98) { B = res(3, B); } /* RES 3,B */ -OP(cb,99) { C = res(3, C); } /* RES 3,C */ -OP(cb,9a) { D = res(3, D); } /* RES 3,D */ -OP(cb,9b) { E = res(3, E); } /* RES 3,E */ -OP(cb,9c) { H = res(3, H); } /* RES 3,H */ -OP(cb,9d) { L = res(3, L); } /* RES 3,L */ -OP(cb,9e) { wm(HL, res(3, rm(HL))); } /* RES 3,(HL) */ -OP(cb,9f) { A = res(3, A); } /* RES 3,A */ - -OP(cb,a0) { B = res(4, B); } /* RES 4,B */ -OP(cb,a1) { C = res(4, C); } /* RES 4,C */ -OP(cb,a2) { D = res(4, D); } /* RES 4,D */ -OP(cb,a3) { E = res(4, E); } /* RES 4,E */ -OP(cb,a4) { H = res(4, H); } /* RES 4,H */ -OP(cb,a5) { L = res(4, L); } /* RES 4,L */ -OP(cb,a6) { wm(HL, res(4, rm(HL))); } /* RES 4,(HL) */ -OP(cb,a7) { A = res(4, A); } /* RES 4,A */ - -OP(cb,a8) { B = res(5, B); } /* RES 5,B */ -OP(cb,a9) { C = res(5, C); } /* RES 5,C */ -OP(cb,aa) { D = res(5, D); } /* RES 5,D */ -OP(cb,ab) { E = res(5, E); } /* RES 5,E */ -OP(cb,ac) { H = res(5, H); } /* RES 5,H */ -OP(cb,ad) { L = res(5, L); } /* RES 5,L */ -OP(cb,ae) { wm(HL, res(5, rm(HL))); } /* RES 5,(HL) */ -OP(cb,af) { A = res(5, A); } /* RES 5,A */ - -OP(cb,b0) { B = res(6, B); } /* RES 6,B */ -OP(cb,b1) { C = res(6, C); } /* RES 6,C */ -OP(cb,b2) { D = res(6, D); } /* RES 6,D */ -OP(cb,b3) { E = res(6, E); } /* RES 6,E */ -OP(cb,b4) { H = res(6, H); } /* RES 6,H */ -OP(cb,b5) { L = res(6, L); } /* RES 6,L */ -OP(cb,b6) { wm(HL, res(6, rm(HL))); } /* RES 6,(HL) */ -OP(cb,b7) { A = res(6, A); } /* RES 6,A */ - -OP(cb,b8) { B = res(7, B); } /* RES 7,B */ -OP(cb,b9) { C = res(7, C); } /* RES 7,C */ -OP(cb,ba) { D = res(7, D); } /* RES 7,D */ -OP(cb,bb) { E = res(7, E); } /* RES 7,E */ -OP(cb,bc) { H = res(7, H); } /* RES 7,H */ -OP(cb,bd) { L = res(7, L); } /* RES 7,L */ -OP(cb,be) { wm(HL, res(7, rm(HL))); } /* RES 7,(HL) */ -OP(cb,bf) { A = res(7, A); } /* RES 7,A */ - -OP(cb,c0) { B = set(0, B); } /* SET 0,B */ -OP(cb,c1) { C = set(0, C); } /* SET 0,C */ -OP(cb,c2) { D = set(0, D); } /* SET 0,D */ -OP(cb,c3) { E = set(0, E); } /* SET 0,E */ -OP(cb,c4) { H = set(0, H); } /* SET 0,H */ -OP(cb,c5) { L = set(0, L); } /* SET 0,L */ -OP(cb,c6) { wm(HL, set(0, rm(HL))); } /* SET 0,(HL) */ -OP(cb,c7) { A = set(0, A); } /* SET 0,A */ - -OP(cb,c8) { B = set(1, B); } /* SET 1,B */ -OP(cb,c9) { C = set(1, C); } /* SET 1,C */ -OP(cb,ca) { D = set(1, D); } /* SET 1,D */ -OP(cb,cb) { E = set(1, E); } /* SET 1,E */ -OP(cb,cc) { H = set(1, H); } /* SET 1,H */ -OP(cb,cd) { L = set(1, L); } /* SET 1,L */ -OP(cb,ce) { wm(HL, set(1, rm(HL))); } /* SET 1,(HL) */ -OP(cb,cf) { A = set(1, A); } /* SET 1,A */ - -OP(cb,d0) { B = set(2, B); } /* SET 2,B */ -OP(cb,d1) { C = set(2, C); } /* SET 2,C */ -OP(cb,d2) { D = set(2, D); } /* SET 2,D */ -OP(cb,d3) { E = set(2, E); } /* SET 2,E */ -OP(cb,d4) { H = set(2, H); } /* SET 2,H */ -OP(cb,d5) { L = set(2, L); } /* SET 2,L */ -OP(cb,d6) { wm(HL, set(2, rm(HL))); } /* SET 2,(HL) */ -OP(cb,d7) { A = set(2, A); } /* SET 2,A */ - -OP(cb,d8) { B = set(3, B); } /* SET 3,B */ -OP(cb,d9) { C = set(3, C); } /* SET 3,C */ -OP(cb,da) { D = set(3, D); } /* SET 3,D */ -OP(cb,db) { E = set(3, E); } /* SET 3,E */ -OP(cb,dc) { H = set(3, H); } /* SET 3,H */ -OP(cb,dd) { L = set(3, L); } /* SET 3,L */ -OP(cb,de) { wm(HL, set(3, rm(HL))); } /* SET 3,(HL) */ -OP(cb,df) { A = set(3, A); } /* SET 3,A */ - -OP(cb,e0) { B = set(4, B); } /* SET 4,B */ -OP(cb,e1) { C = set(4, C); } /* SET 4,C */ -OP(cb,e2) { D = set(4, D); } /* SET 4,D */ -OP(cb,e3) { E = set(4, E); } /* SET 4,E */ -OP(cb,e4) { H = set(4, H); } /* SET 4,H */ -OP(cb,e5) { L = set(4, L); } /* SET 4,L */ -OP(cb,e6) { wm(HL, set(4, rm(HL))); } /* SET 4,(HL) */ -OP(cb,e7) { A = set(4, A); } /* SET 4,A */ - -OP(cb,e8) { B = set(5, B); } /* SET 5,B */ -OP(cb,e9) { C = set(5, C); } /* SET 5,C */ -OP(cb,ea) { D = set(5, D); } /* SET 5,D */ -OP(cb,eb) { E = set(5, E); } /* SET 5,E */ -OP(cb,ec) { H = set(5, H); } /* SET 5,H */ -OP(cb,ed) { L = set(5, L); } /* SET 5,L */ -OP(cb,ee) { wm(HL, set(5, rm(HL))); } /* SET 5,(HL) */ -OP(cb,ef) { A = set(5, A); } /* SET 5,A */ - -OP(cb,f0) { B = set(6, B); } /* SET 6,B */ -OP(cb,f1) { C = set(6, C); } /* SET 6,C */ -OP(cb,f2) { D = set(6, D); } /* SET 6,D */ -OP(cb,f3) { E = set(6, E); } /* SET 6,E */ -OP(cb,f4) { H = set(6, H); } /* SET 6,H */ -OP(cb,f5) { L = set(6, L); } /* SET 6,L */ -OP(cb,f6) { wm(HL, set(6, rm(HL))); } /* SET 6,(HL) */ -OP(cb,f7) { A = set(6, A); } /* SET 6,A */ - -OP(cb,f8) { B = set(7, B); } /* SET 7,B */ -OP(cb,f9) { C = set(7, C); } /* SET 7,C */ -OP(cb,fa) { D = set(7, D); } /* SET 7,D */ -OP(cb,fb) { E = set(7, E); } /* SET 7,E */ -OP(cb,fc) { H = set(7, H); } /* SET 7,H */ -OP(cb,fd) { L = set(7, L); } /* SET 7,L */ -OP(cb,fe) { wm(HL, set(7, rm(HL))); } /* SET 7,(HL) */ -OP(cb,ff) { A = set(7, A); } /* SET 7,A */ - - -/********************************************************** -* opcodes with DD/FD CB prefix -* rotate, shift and bit operations with (IX+o) -**********************************************************/ -OP(xycb,00) { B = rlc(rm(m_ea)); wm(m_ea, B); } /* RLC B=(XY+o) */ -OP(xycb,01) { C = rlc(rm(m_ea)); wm(m_ea, C); } /* RLC C=(XY+o) */ -OP(xycb,02) { D = rlc(rm(m_ea)); wm(m_ea, D); } /* RLC D=(XY+o) */ -OP(xycb,03) { E = rlc(rm(m_ea)); wm(m_ea, E); } /* RLC E=(XY+o) */ -OP(xycb,04) { H = rlc(rm(m_ea)); wm(m_ea, H); } /* RLC H=(XY+o) */ -OP(xycb,05) { L = rlc(rm(m_ea)); wm(m_ea, L); } /* RLC L=(XY+o) */ -OP(xycb,06) { wm(m_ea, rlc(rm(m_ea))); } /* RLC (XY+o) */ -OP(xycb,07) { A = rlc(rm(m_ea)); wm(m_ea, A); } /* RLC A=(XY+o) */ - -OP(xycb,08) { B = rrc(rm(m_ea)); wm(m_ea, B); } /* RRC B=(XY+o) */ -OP(xycb,09) { C = rrc(rm(m_ea)); wm(m_ea, C); } /* RRC C=(XY+o) */ -OP(xycb,0a) { D = rrc(rm(m_ea)); wm(m_ea, D); } /* RRC D=(XY+o) */ -OP(xycb,0b) { E = rrc(rm(m_ea)); wm(m_ea, E); } /* RRC E=(XY+o) */ -OP(xycb,0c) { H = rrc(rm(m_ea)); wm(m_ea, H); } /* RRC H=(XY+o) */ -OP(xycb,0d) { L = rrc(rm(m_ea)); wm(m_ea, L); } /* RRC L=(XY+o) */ -OP(xycb,0e) { wm(m_ea,rrc(rm(m_ea))); } /* RRC (XY+o) */ -OP(xycb,0f) { A = rrc(rm(m_ea)); wm(m_ea, A); } /* RRC A=(XY+o) */ - -OP(xycb,10) { B = rl(rm(m_ea)); wm(m_ea, B); } /* RL B=(XY+o) */ -OP(xycb,11) { C = rl(rm(m_ea)); wm(m_ea, C); } /* RL C=(XY+o) */ -OP(xycb,12) { D = rl(rm(m_ea)); wm(m_ea, D); } /* RL D=(XY+o) */ -OP(xycb,13) { E = rl(rm(m_ea)); wm(m_ea, E); } /* RL E=(XY+o) */ -OP(xycb,14) { H = rl(rm(m_ea)); wm(m_ea, H); } /* RL H=(XY+o) */ -OP(xycb,15) { L = rl(rm(m_ea)); wm(m_ea, L); } /* RL L=(XY+o) */ -OP(xycb,16) { wm(m_ea,rl(rm(m_ea))); } /* RL (XY+o) */ -OP(xycb,17) { A = rl(rm(m_ea)); wm(m_ea, A); } /* RL A=(XY+o) */ - -OP(xycb,18) { B = rr(rm(m_ea)); wm(m_ea, B); } /* RR B=(XY+o) */ -OP(xycb,19) { C = rr(rm(m_ea)); wm(m_ea, C); } /* RR C=(XY+o) */ -OP(xycb,1a) { D = rr(rm(m_ea)); wm(m_ea, D); } /* RR D=(XY+o) */ -OP(xycb,1b) { E = rr(rm(m_ea)); wm(m_ea, E); } /* RR E=(XY+o) */ -OP(xycb,1c) { H = rr(rm(m_ea)); wm(m_ea, H); } /* RR H=(XY+o) */ -OP(xycb,1d) { L = rr(rm(m_ea)); wm(m_ea, L); } /* RR L=(XY+o) */ -OP(xycb,1e) { wm(m_ea, rr(rm(m_ea))); } /* RR (XY+o) */ -OP(xycb,1f) { A = rr(rm(m_ea)); wm(m_ea, A); } /* RR A=(XY+o) */ - -OP(xycb,20) { B = sla(rm(m_ea)); wm(m_ea, B); } /* SLA B=(XY+o) */ -OP(xycb,21) { C = sla(rm(m_ea)); wm(m_ea, C); } /* SLA C=(XY+o) */ -OP(xycb,22) { D = sla(rm(m_ea)); wm(m_ea, D); } /* SLA D=(XY+o) */ -OP(xycb,23) { E = sla(rm(m_ea)); wm(m_ea, E); } /* SLA E=(XY+o) */ -OP(xycb,24) { H = sla(rm(m_ea)); wm(m_ea, H); } /* SLA H=(XY+o) */ -OP(xycb,25) { L = sla(rm(m_ea)); wm(m_ea, L); } /* SLA L=(XY+o) */ -OP(xycb,26) { wm(m_ea, sla(rm(m_ea))); } /* SLA (XY+o) */ -OP(xycb,27) { A = sla(rm(m_ea)); wm(m_ea, A); } /* SLA A=(XY+o) */ - -OP(xycb,28) { B = sra(rm(m_ea)); wm(m_ea, B); } /* SRA B=(XY+o) */ -OP(xycb,29) { C = sra(rm(m_ea)); wm(m_ea, C); } /* SRA C=(XY+o) */ -OP(xycb,2a) { D = sra(rm(m_ea)); wm(m_ea, D); } /* SRA D=(XY+o) */ -OP(xycb,2b) { E = sra(rm(m_ea)); wm(m_ea, E); } /* SRA E=(XY+o) */ -OP(xycb,2c) { H = sra(rm(m_ea)); wm(m_ea, H); } /* SRA H=(XY+o) */ -OP(xycb,2d) { L = sra(rm(m_ea)); wm(m_ea, L); } /* SRA L=(XY+o) */ -OP(xycb,2e) { wm(m_ea, sra(rm(m_ea))); } /* SRA (XY+o) */ -OP(xycb,2f) { A = sra(rm(m_ea)); wm(m_ea, A); } /* SRA A=(XY+o) */ - -OP(xycb,30) { B = sll(rm(m_ea)); wm(m_ea, B); } /* SLL B=(XY+o) */ -OP(xycb,31) { C = sll(rm(m_ea)); wm(m_ea, C); } /* SLL C=(XY+o) */ -OP(xycb,32) { D = sll(rm(m_ea)); wm(m_ea, D); } /* SLL D=(XY+o) */ -OP(xycb,33) { E = sll(rm(m_ea)); wm(m_ea, E); } /* SLL E=(XY+o) */ -OP(xycb,34) { H = sll(rm(m_ea)); wm(m_ea, H); } /* SLL H=(XY+o) */ -OP(xycb,35) { L = sll(rm(m_ea)); wm(m_ea, L); } /* SLL L=(XY+o) */ -OP(xycb,36) { wm(m_ea, sll(rm(m_ea))); } /* SLL (XY+o) */ -OP(xycb,37) { A = sll(rm(m_ea)); wm(m_ea, A); } /* SLL A=(XY+o) */ - -OP(xycb,38) { B = srl(rm(m_ea)); wm(m_ea, B); } /* SRL B=(XY+o) */ -OP(xycb,39) { C = srl(rm(m_ea)); wm(m_ea, C); } /* SRL C=(XY+o) */ -OP(xycb,3a) { D = srl(rm(m_ea)); wm(m_ea, D); } /* SRL D=(XY+o) */ -OP(xycb,3b) { E = srl(rm(m_ea)); wm(m_ea, E); } /* SRL E=(XY+o) */ -OP(xycb,3c) { H = srl(rm(m_ea)); wm(m_ea, H); } /* SRL H=(XY+o) */ -OP(xycb,3d) { L = srl(rm(m_ea)); wm(m_ea, L); } /* SRL L=(XY+o) */ -OP(xycb,3e) { wm(m_ea, srl(rm(m_ea))); } /* SRL (XY+o) */ -OP(xycb,3f) { A = srl(rm(m_ea)); wm(m_ea, A); } /* SRL A=(XY+o) */ - -OP(xycb,40) { xycb_46(); } /* BIT 0,(XY+o) */ -OP(xycb,41) { xycb_46(); } /* BIT 0,(XY+o) */ -OP(xycb,42) { xycb_46(); } /* BIT 0,(XY+o) */ -OP(xycb,43) { xycb_46(); } /* BIT 0,(XY+o) */ -OP(xycb,44) { xycb_46(); } /* BIT 0,(XY+o) */ -OP(xycb,45) { xycb_46(); } /* BIT 0,(XY+o) */ -OP(xycb,46) { bit_xy(0, rm(m_ea)); } /* BIT 0,(XY+o) */ -OP(xycb,47) { xycb_46(); } /* BIT 0,(XY+o) */ - -OP(xycb,48) { xycb_4e(); } /* BIT 1,(XY+o) */ -OP(xycb,49) { xycb_4e(); } /* BIT 1,(XY+o) */ -OP(xycb,4a) { xycb_4e(); } /* BIT 1,(XY+o) */ -OP(xycb,4b) { xycb_4e(); } /* BIT 1,(XY+o) */ -OP(xycb,4c) { xycb_4e(); } /* BIT 1,(XY+o) */ -OP(xycb,4d) { xycb_4e(); } /* BIT 1,(XY+o) */ -OP(xycb,4e) { bit_xy(1, rm(m_ea)); } /* BIT 1,(XY+o) */ -OP(xycb,4f) { xycb_4e(); } /* BIT 1,(XY+o) */ - -OP(xycb,50) { xycb_56(); } /* BIT 2,(XY+o) */ -OP(xycb,51) { xycb_56(); } /* BIT 2,(XY+o) */ -OP(xycb,52) { xycb_56(); } /* BIT 2,(XY+o) */ -OP(xycb,53) { xycb_56(); } /* BIT 2,(XY+o) */ -OP(xycb,54) { xycb_56(); } /* BIT 2,(XY+o) */ -OP(xycb,55) { xycb_56(); } /* BIT 2,(XY+o) */ -OP(xycb,56) { bit_xy(2, rm(m_ea)); } /* BIT 2,(XY+o) */ -OP(xycb,57) { xycb_56(); } /* BIT 2,(XY+o) */ - -OP(xycb,58) { xycb_5e(); } /* BIT 3,(XY+o) */ -OP(xycb,59) { xycb_5e(); } /* BIT 3,(XY+o) */ -OP(xycb,5a) { xycb_5e(); } /* BIT 3,(XY+o) */ -OP(xycb,5b) { xycb_5e(); } /* BIT 3,(XY+o) */ -OP(xycb,5c) { xycb_5e(); } /* BIT 3,(XY+o) */ -OP(xycb,5d) { xycb_5e(); } /* BIT 3,(XY+o) */ -OP(xycb,5e) { bit_xy(3, rm(m_ea)); } /* BIT 3,(XY+o) */ -OP(xycb,5f) { xycb_5e(); } /* BIT 3,(XY+o) */ - -OP(xycb,60) { xycb_66(); } /* BIT 4,(XY+o) */ -OP(xycb,61) { xycb_66(); } /* BIT 4,(XY+o) */ -OP(xycb,62) { xycb_66(); } /* BIT 4,(XY+o) */ -OP(xycb,63) { xycb_66(); } /* BIT 4,(XY+o) */ -OP(xycb,64) { xycb_66(); } /* BIT 4,(XY+o) */ -OP(xycb,65) { xycb_66(); } /* BIT 4,(XY+o) */ -OP(xycb,66) { bit_xy(4, rm(m_ea)); } /* BIT 4,(XY+o) */ -OP(xycb,67) { xycb_66(); } /* BIT 4,(XY+o) */ - -OP(xycb,68) { xycb_6e(); } /* BIT 5,(XY+o) */ -OP(xycb,69) { xycb_6e(); } /* BIT 5,(XY+o) */ -OP(xycb,6a) { xycb_6e(); } /* BIT 5,(XY+o) */ -OP(xycb,6b) { xycb_6e(); } /* BIT 5,(XY+o) */ -OP(xycb,6c) { xycb_6e(); } /* BIT 5,(XY+o) */ -OP(xycb,6d) { xycb_6e(); } /* BIT 5,(XY+o) */ -OP(xycb,6e) { bit_xy(5, rm(m_ea)); } /* BIT 5,(XY+o) */ -OP(xycb,6f) { xycb_6e(); } /* BIT 5,(XY+o) */ - -OP(xycb,70) { xycb_76(); } /* BIT 6,(XY+o) */ -OP(xycb,71) { xycb_76(); } /* BIT 6,(XY+o) */ -OP(xycb,72) { xycb_76(); } /* BIT 6,(XY+o) */ -OP(xycb,73) { xycb_76(); } /* BIT 6,(XY+o) */ -OP(xycb,74) { xycb_76(); } /* BIT 6,(XY+o) */ -OP(xycb,75) { xycb_76(); } /* BIT 6,(XY+o) */ -OP(xycb,76) { bit_xy(6, rm(m_ea)); } /* BIT 6,(XY+o) */ -OP(xycb,77) { xycb_76(); } /* BIT 6,(XY+o) */ - -OP(xycb,78) { xycb_7e(); } /* BIT 7,(XY+o) */ -OP(xycb,79) { xycb_7e(); } /* BIT 7,(XY+o) */ -OP(xycb,7a) { xycb_7e(); } /* BIT 7,(XY+o) */ -OP(xycb,7b) { xycb_7e(); } /* BIT 7,(XY+o) */ -OP(xycb,7c) { xycb_7e(); } /* BIT 7,(XY+o) */ -OP(xycb,7d) { xycb_7e(); } /* BIT 7,(XY+o) */ -OP(xycb,7e) { bit_xy(7, rm(m_ea)); } /* BIT 7,(XY+o) */ -OP(xycb,7f) { xycb_7e(); } /* BIT 7,(XY+o) */ - -OP(xycb,80) { B = res(0, rm(m_ea)); wm(m_ea, B); } /* RES 0,B=(XY+o) */ -OP(xycb,81) { C = res(0, rm(m_ea)); wm(m_ea, C); } /* RES 0,C=(XY+o) */ -OP(xycb,82) { D = res(0, rm(m_ea)); wm(m_ea, D); } /* RES 0,D=(XY+o) */ -OP(xycb,83) { E = res(0, rm(m_ea)); wm(m_ea, E); } /* RES 0,E=(XY+o) */ -OP(xycb,84) { H = res(0, rm(m_ea)); wm(m_ea, H); } /* RES 0,H=(XY+o) */ -OP(xycb,85) { L = res(0, rm(m_ea)); wm(m_ea, L); } /* RES 0,L=(XY+o) */ -OP(xycb,86) { wm(m_ea, res(0, rm(m_ea))); } /* RES 0,(XY+o) */ -OP(xycb,87) { A = res(0, rm(m_ea)); wm(m_ea, A); } /* RES 0,A=(XY+o) */ - -OP(xycb,88) { B = res(1, rm(m_ea)); wm(m_ea, B); } /* RES 1,B=(XY+o) */ -OP(xycb,89) { C = res(1, rm(m_ea)); wm(m_ea, C); } /* RES 1,C=(XY+o) */ -OP(xycb,8a) { D = res(1, rm(m_ea)); wm(m_ea, D); } /* RES 1,D=(XY+o) */ -OP(xycb,8b) { E = res(1, rm(m_ea)); wm(m_ea, E); } /* RES 1,E=(XY+o) */ -OP(xycb,8c) { H = res(1, rm(m_ea)); wm(m_ea, H); } /* RES 1,H=(XY+o) */ -OP(xycb,8d) { L = res(1, rm(m_ea)); wm(m_ea, L); } /* RES 1,L=(XY+o) */ -OP(xycb,8e) { wm(m_ea, res(1, rm(m_ea))); } /* RES 1,(XY+o) */ -OP(xycb,8f) { A = res(1, rm(m_ea)); wm(m_ea, A); } /* RES 1,A=(XY+o) */ - -OP(xycb,90) { B = res(2, rm(m_ea)); wm(m_ea, B); } /* RES 2,B=(XY+o) */ -OP(xycb,91) { C = res(2, rm(m_ea)); wm(m_ea, C); } /* RES 2,C=(XY+o) */ -OP(xycb,92) { D = res(2, rm(m_ea)); wm(m_ea, D); } /* RES 2,D=(XY+o) */ -OP(xycb,93) { E = res(2, rm(m_ea)); wm(m_ea, E); } /* RES 2,E=(XY+o) */ -OP(xycb,94) { H = res(2, rm(m_ea)); wm(m_ea, H); } /* RES 2,H=(XY+o) */ -OP(xycb,95) { L = res(2, rm(m_ea)); wm(m_ea, L); } /* RES 2,L=(XY+o) */ -OP(xycb,96) { wm(m_ea, res(2, rm(m_ea))); } /* RES 2,(XY+o) */ -OP(xycb,97) { A = res(2, rm(m_ea)); wm(m_ea, A); } /* RES 2,A=(XY+o) */ - -OP(xycb,98) { B = res(3, rm(m_ea)); wm(m_ea, B); } /* RES 3,B=(XY+o) */ -OP(xycb,99) { C = res(3, rm(m_ea)); wm(m_ea, C); } /* RES 3,C=(XY+o) */ -OP(xycb,9a) { D = res(3, rm(m_ea)); wm(m_ea, D); } /* RES 3,D=(XY+o) */ -OP(xycb,9b) { E = res(3, rm(m_ea)); wm(m_ea, E); } /* RES 3,E=(XY+o) */ -OP(xycb,9c) { H = res(3, rm(m_ea)); wm(m_ea, H); } /* RES 3,H=(XY+o) */ -OP(xycb,9d) { L = res(3, rm(m_ea)); wm(m_ea, L); } /* RES 3,L=(XY+o) */ -OP(xycb,9e) { wm(m_ea, res(3, rm(m_ea))); } /* RES 3,(XY+o) */ -OP(xycb,9f) { A = res(3, rm(m_ea)); wm(m_ea, A); } /* RES 3,A=(XY+o) */ - -OP(xycb,a0) { B = res(4, rm(m_ea)); wm(m_ea, B); } /* RES 4,B=(XY+o) */ -OP(xycb,a1) { C = res(4, rm(m_ea)); wm(m_ea, C); } /* RES 4,C=(XY+o) */ -OP(xycb,a2) { D = res(4, rm(m_ea)); wm(m_ea, D); } /* RES 4,D=(XY+o) */ -OP(xycb,a3) { E = res(4, rm(m_ea)); wm(m_ea, E); } /* RES 4,E=(XY+o) */ -OP(xycb,a4) { H = res(4, rm(m_ea)); wm(m_ea, H); } /* RES 4,H=(XY+o) */ -OP(xycb,a5) { L = res(4, rm(m_ea)); wm(m_ea, L); } /* RES 4,L=(XY+o) */ -OP(xycb,a6) { wm(m_ea, res(4, rm(m_ea))); } /* RES 4,(XY+o) */ -OP(xycb,a7) { A = res(4, rm(m_ea)); wm(m_ea, A); } /* RES 4,A=(XY+o) */ - -OP(xycb,a8) { B = res(5, rm(m_ea)); wm(m_ea, B); } /* RES 5,B=(XY+o) */ -OP(xycb,a9) { C = res(5, rm(m_ea)); wm(m_ea, C); } /* RES 5,C=(XY+o) */ -OP(xycb,aa) { D = res(5, rm(m_ea)); wm(m_ea, D); } /* RES 5,D=(XY+o) */ -OP(xycb,ab) { E = res(5, rm(m_ea)); wm(m_ea, E); } /* RES 5,E=(XY+o) */ -OP(xycb,ac) { H = res(5, rm(m_ea)); wm(m_ea, H); } /* RES 5,H=(XY+o) */ -OP(xycb,ad) { L = res(5, rm(m_ea)); wm(m_ea, L); } /* RES 5,L=(XY+o) */ -OP(xycb,ae) { wm(m_ea, res(5, rm(m_ea))); } /* RES 5,(XY+o) */ -OP(xycb,af) { A = res(5, rm(m_ea)); wm(m_ea, A); } /* RES 5,A=(XY+o) */ - -OP(xycb,b0) { B = res(6, rm(m_ea)); wm(m_ea, B); } /* RES 6,B=(XY+o) */ -OP(xycb,b1) { C = res(6, rm(m_ea)); wm(m_ea, C); } /* RES 6,C=(XY+o) */ -OP(xycb,b2) { D = res(6, rm(m_ea)); wm(m_ea, D); } /* RES 6,D=(XY+o) */ -OP(xycb,b3) { E = res(6, rm(m_ea)); wm(m_ea, E); } /* RES 6,E=(XY+o) */ -OP(xycb,b4) { H = res(6, rm(m_ea)); wm(m_ea, H); } /* RES 6,H=(XY+o) */ -OP(xycb,b5) { L = res(6, rm(m_ea)); wm(m_ea, L); } /* RES 6,L=(XY+o) */ -OP(xycb,b6) { wm(m_ea, res(6, rm(m_ea))); } /* RES 6,(XY+o) */ -OP(xycb,b7) { A = res(6, rm(m_ea)); wm(m_ea, A); } /* RES 6,A=(XY+o) */ - -OP(xycb,b8) { B = res(7, rm(m_ea)); wm(m_ea, B); } /* RES 7,B=(XY+o) */ -OP(xycb,b9) { C = res(7, rm(m_ea)); wm(m_ea, C); } /* RES 7,C=(XY+o) */ -OP(xycb,ba) { D = res(7, rm(m_ea)); wm(m_ea, D); } /* RES 7,D=(XY+o) */ -OP(xycb,bb) { E = res(7, rm(m_ea)); wm(m_ea, E); } /* RES 7,E=(XY+o) */ -OP(xycb,bc) { H = res(7, rm(m_ea)); wm(m_ea, H); } /* RES 7,H=(XY+o) */ -OP(xycb,bd) { L = res(7, rm(m_ea)); wm(m_ea, L); } /* RES 7,L=(XY+o) */ -OP(xycb,be) { wm(m_ea, res(7, rm(m_ea))); } /* RES 7,(XY+o) */ -OP(xycb,bf) { A = res(7, rm(m_ea)); wm(m_ea, A); } /* RES 7,A=(XY+o) */ - -OP(xycb,c0) { B = set(0, rm(m_ea)); wm(m_ea, B); } /* SET 0,B=(XY+o) */ -OP(xycb,c1) { C = set(0, rm(m_ea)); wm(m_ea, C); } /* SET 0,C=(XY+o) */ -OP(xycb,c2) { D = set(0, rm(m_ea)); wm(m_ea, D); } /* SET 0,D=(XY+o) */ -OP(xycb,c3) { E = set(0, rm(m_ea)); wm(m_ea, E); } /* SET 0,E=(XY+o) */ -OP(xycb,c4) { H = set(0, rm(m_ea)); wm(m_ea, H); } /* SET 0,H=(XY+o) */ -OP(xycb,c5) { L = set(0, rm(m_ea)); wm(m_ea, L); } /* SET 0,L=(XY+o) */ -OP(xycb,c6) { wm(m_ea, set(0, rm(m_ea))); } /* SET 0,(XY+o) */ -OP(xycb,c7) { A = set(0, rm(m_ea)); wm(m_ea, A); } /* SET 0,A=(XY+o) */ - -OP(xycb,c8) { B = set(1, rm(m_ea)); wm(m_ea, B); } /* SET 1,B=(XY+o) */ -OP(xycb,c9) { C = set(1, rm(m_ea)); wm(m_ea, C); } /* SET 1,C=(XY+o) */ -OP(xycb,ca) { D = set(1, rm(m_ea)); wm(m_ea, D); } /* SET 1,D=(XY+o) */ -OP(xycb,cb) { E = set(1, rm(m_ea)); wm(m_ea, E); } /* SET 1,E=(XY+o) */ -OP(xycb,cc) { H = set(1, rm(m_ea)); wm(m_ea, H); } /* SET 1,H=(XY+o) */ -OP(xycb,cd) { L = set(1, rm(m_ea)); wm(m_ea, L); } /* SET 1,L=(XY+o) */ -OP(xycb,ce) { wm(m_ea, set(1, rm(m_ea))); } /* SET 1,(XY+o) */ -OP(xycb,cf) { A = set(1, rm(m_ea)); wm(m_ea, A); } /* SET 1,A=(XY+o) */ - -OP(xycb,d0) { B = set(2, rm(m_ea)); wm(m_ea, B); } /* SET 2,B=(XY+o) */ -OP(xycb,d1) { C = set(2, rm(m_ea)); wm(m_ea, C); } /* SET 2,C=(XY+o) */ -OP(xycb,d2) { D = set(2, rm(m_ea)); wm(m_ea, D); } /* SET 2,D=(XY+o) */ -OP(xycb,d3) { E = set(2, rm(m_ea)); wm(m_ea, E); } /* SET 2,E=(XY+o) */ -OP(xycb,d4) { H = set(2, rm(m_ea)); wm(m_ea, H); } /* SET 2,H=(XY+o) */ -OP(xycb,d5) { L = set(2, rm(m_ea)); wm(m_ea, L); } /* SET 2,L=(XY+o) */ -OP(xycb,d6) { wm(m_ea, set(2, rm(m_ea))); } /* SET 2,(XY+o) */ -OP(xycb,d7) { A = set(2, rm(m_ea)); wm(m_ea, A); } /* SET 2,A=(XY+o) */ - -OP(xycb,d8) { B = set(3, rm(m_ea)); wm(m_ea, B); } /* SET 3,B=(XY+o) */ -OP(xycb,d9) { C = set(3, rm(m_ea)); wm(m_ea, C); } /* SET 3,C=(XY+o) */ -OP(xycb,da) { D = set(3, rm(m_ea)); wm(m_ea, D); } /* SET 3,D=(XY+o) */ -OP(xycb,db) { E = set(3, rm(m_ea)); wm(m_ea, E); } /* SET 3,E=(XY+o) */ -OP(xycb,dc) { H = set(3, rm(m_ea)); wm(m_ea, H); } /* SET 3,H=(XY+o) */ -OP(xycb,dd) { L = set(3, rm(m_ea)); wm(m_ea, L); } /* SET 3,L=(XY+o) */ -OP(xycb,de) { wm(m_ea, set(3, rm(m_ea))); } /* SET 3,(XY+o) */ -OP(xycb,df) { A = set(3, rm(m_ea)); wm(m_ea, A); } /* SET 3,A=(XY+o) */ - -OP(xycb,e0) { B = set(4, rm(m_ea)); wm(m_ea, B); } /* SET 4,B=(XY+o) */ -OP(xycb,e1) { C = set(4, rm(m_ea)); wm(m_ea, C); } /* SET 4,C=(XY+o) */ -OP(xycb,e2) { D = set(4, rm(m_ea)); wm(m_ea, D); } /* SET 4,D=(XY+o) */ -OP(xycb,e3) { E = set(4, rm(m_ea)); wm(m_ea, E); } /* SET 4,E=(XY+o) */ -OP(xycb,e4) { H = set(4, rm(m_ea)); wm(m_ea, H); } /* SET 4,H=(XY+o) */ -OP(xycb,e5) { L = set(4, rm(m_ea)); wm(m_ea, L); } /* SET 4,L=(XY+o) */ -OP(xycb,e6) { wm(m_ea, set(4, rm(m_ea))); } /* SET 4,(XY+o) */ -OP(xycb,e7) { A = set(4, rm(m_ea)); wm(m_ea, A); } /* SET 4,A=(XY+o) */ - -OP(xycb,e8) { B = set(5, rm(m_ea)); wm(m_ea, B); } /* SET 5,B=(XY+o) */ -OP(xycb,e9) { C = set(5, rm(m_ea)); wm(m_ea, C); } /* SET 5,C=(XY+o) */ -OP(xycb,ea) { D = set(5, rm(m_ea)); wm(m_ea, D); } /* SET 5,D=(XY+o) */ -OP(xycb,eb) { E = set(5, rm(m_ea)); wm(m_ea, E); } /* SET 5,E=(XY+o) */ -OP(xycb,ec) { H = set(5, rm(m_ea)); wm(m_ea, H); } /* SET 5,H=(XY+o) */ -OP(xycb,ed) { L = set(5, rm(m_ea)); wm(m_ea, L); } /* SET 5,L=(XY+o) */ -OP(xycb,ee) { wm(m_ea, set(5, rm(m_ea))); } /* SET 5,(XY+o) */ -OP(xycb,ef) { A = set(5, rm(m_ea)); wm(m_ea, A); } /* SET 5,A=(XY+o) */ - -OP(xycb,f0) { B = set(6, rm(m_ea)); wm(m_ea, B); } /* SET 6,B=(XY+o) */ -OP(xycb,f1) { C = set(6, rm(m_ea)); wm(m_ea, C); } /* SET 6,C=(XY+o) */ -OP(xycb,f2) { D = set(6, rm(m_ea)); wm(m_ea, D); } /* SET 6,D=(XY+o) */ -OP(xycb,f3) { E = set(6, rm(m_ea)); wm(m_ea, E); } /* SET 6,E=(XY+o) */ -OP(xycb,f4) { H = set(6, rm(m_ea)); wm(m_ea, H); } /* SET 6,H=(XY+o) */ -OP(xycb,f5) { L = set(6, rm(m_ea)); wm(m_ea, L); } /* SET 6,L=(XY+o) */ -OP(xycb,f6) { wm(m_ea, set(6, rm(m_ea))); } /* SET 6,(XY+o) */ -OP(xycb,f7) { A = set(6, rm(m_ea)); wm(m_ea, A); } /* SET 6,A=(XY+o) */ - -OP(xycb,f8) { B = set(7, rm(m_ea)); wm(m_ea, B); } /* SET 7,B=(XY+o) */ -OP(xycb,f9) { C = set(7, rm(m_ea)); wm(m_ea, C); } /* SET 7,C=(XY+o) */ -OP(xycb,fa) { D = set(7, rm(m_ea)); wm(m_ea, D); } /* SET 7,D=(XY+o) */ -OP(xycb,fb) { E = set(7, rm(m_ea)); wm(m_ea, E); } /* SET 7,E=(XY+o) */ -OP(xycb,fc) { H = set(7, rm(m_ea)); wm(m_ea, H); } /* SET 7,H=(XY+o) */ -OP(xycb,fd) { L = set(7, rm(m_ea)); wm(m_ea, L); } /* SET 7,L=(XY+o) */ -OP(xycb,fe) { wm(m_ea, set(7, rm(m_ea))); } /* SET 7,(XY+o) */ -OP(xycb,ff) { A = set(7, rm(m_ea)); wm(m_ea, A); } /* SET 7,A=(XY+o) */ - -OP(illegal,1) { - logerror("Z80 ill. opcode $%02x $%02x ($%04x)\n", - m_opcodes_cache->read_byte((PCD-1)&0xffff), m_opcodes_cache->read_byte(PCD), PCD-1); + set_service_attention<SA_AFTER_EI, 1>(); } -/********************************************************** - * IX register related opcodes (DD prefix) - **********************************************************/ -OP(dd,00) { illegal_1(); op_00(); } /* DB DD */ -OP(dd,01) { illegal_1(); op_01(); } /* DB DD */ -OP(dd,02) { illegal_1(); op_02(); } /* DB DD */ -OP(dd,03) { illegal_1(); op_03(); } /* DB DD */ -OP(dd,04) { illegal_1(); op_04(); } /* DB DD */ -OP(dd,05) { illegal_1(); op_05(); } /* DB DD */ -OP(dd,06) { illegal_1(); op_06(); } /* DB DD */ -OP(dd,07) { illegal_1(); op_07(); } /* DB DD */ - -OP(dd,08) { illegal_1(); op_08(); } /* DB DD */ -OP(dd,09) { add16(m_ix, m_bc); } /* ADD IX,BC */ -OP(dd,0a) { illegal_1(); op_0a(); } /* DB DD */ -OP(dd,0b) { illegal_1(); op_0b(); } /* DB DD */ -OP(dd,0c) { illegal_1(); op_0c(); } /* DB DD */ -OP(dd,0d) { illegal_1(); op_0d(); } /* DB DD */ -OP(dd,0e) { illegal_1(); op_0e(); } /* DB DD */ -OP(dd,0f) { illegal_1(); op_0f(); } /* DB DD */ - -OP(dd,10) { illegal_1(); op_10(); } /* DB DD */ -OP(dd,11) { illegal_1(); op_11(); } /* DB DD */ -OP(dd,12) { illegal_1(); op_12(); } /* DB DD */ -OP(dd,13) { illegal_1(); op_13(); } /* DB DD */ -OP(dd,14) { illegal_1(); op_14(); } /* DB DD */ -OP(dd,15) { illegal_1(); op_15(); } /* DB DD */ -OP(dd,16) { illegal_1(); op_16(); } /* DB DD */ -OP(dd,17) { illegal_1(); op_17(); } /* DB DD */ - -OP(dd,18) { illegal_1(); op_18(); } /* DB DD */ -OP(dd,19) { add16(m_ix, m_de); } /* ADD IX,DE */ -OP(dd,1a) { illegal_1(); op_1a(); } /* DB DD */ -OP(dd,1b) { illegal_1(); op_1b(); } /* DB DD */ -OP(dd,1c) { illegal_1(); op_1c(); } /* DB DD */ -OP(dd,1d) { illegal_1(); op_1d(); } /* DB DD */ -OP(dd,1e) { illegal_1(); op_1e(); } /* DB DD */ -OP(dd,1f) { illegal_1(); op_1f(); } /* DB DD */ - -OP(dd,20) { illegal_1(); op_20(); } /* DB DD */ -OP(dd,21) { IX = arg16(); } /* LD IX,w */ -OP(dd,22) { m_ea = arg16(); wm16(m_ea, m_ix); WZ = m_ea + 1; } /* LD (w),IX */ -OP(dd,23) { IX++; } /* INC IX */ -OP(dd,24) { HX = inc(HX); } /* INC HX */ -OP(dd,25) { HX = dec(HX); } /* DEC HX */ -OP(dd,26) { HX = arg(); } /* LD HX,n */ -OP(dd,27) { illegal_1(); op_27(); } /* DB DD */ - -OP(dd,28) { illegal_1(); op_28(); } /* DB DD */ -OP(dd,29) { add16(m_ix, m_ix); } /* ADD IX,IX */ -OP(dd,2a) { m_ea = arg16(); rm16(m_ea, m_ix); WZ = m_ea + 1; } /* LD IX,(w) */ -OP(dd,2b) { IX--; } /* DEC IX */ -OP(dd,2c) { LX = inc(LX); } /* INC LX */ -OP(dd,2d) { LX = dec(LX); } /* DEC LX */ -OP(dd,2e) { LX = arg(); } /* LD LX,n */ -OP(dd,2f) { illegal_1(); op_2f(); } /* DB DD */ - -OP(dd,30) { illegal_1(); op_30(); } /* DB DD */ -OP(dd,31) { illegal_1(); op_31(); } /* DB DD */ -OP(dd,32) { illegal_1(); op_32(); } /* DB DD */ -OP(dd,33) { illegal_1(); op_33(); } /* DB DD */ -OP(dd,34) { eax(); wm(m_ea, inc(rm(m_ea))); } /* INC (IX+o) */ -OP(dd,35) { eax(); wm(m_ea, dec(rm(m_ea))); } /* DEC (IX+o) */ -OP(dd,36) { eax(); wm(m_ea, arg()); } /* LD (IX+o),n */ -OP(dd,37) { illegal_1(); op_37(); } /* DB DD */ - -OP(dd,38) { illegal_1(); op_38(); } /* DB DD */ -OP(dd,39) { add16(m_ix, m_sp); } /* ADD IX,SP */ -OP(dd,3a) { illegal_1(); op_3a(); } /* DB DD */ -OP(dd,3b) { illegal_1(); op_3b(); } /* DB DD */ -OP(dd,3c) { illegal_1(); op_3c(); } /* DB DD */ -OP(dd,3d) { illegal_1(); op_3d(); } /* DB DD */ -OP(dd,3e) { illegal_1(); op_3e(); } /* DB DD */ -OP(dd,3f) { illegal_1(); op_3f(); } /* DB DD */ - -OP(dd,40) { illegal_1(); op_40(); } /* DB DD */ -OP(dd,41) { illegal_1(); op_41(); } /* DB DD */ -OP(dd,42) { illegal_1(); op_42(); } /* DB DD */ -OP(dd,43) { illegal_1(); op_43(); } /* DB DD */ -OP(dd,44) { B = HX; } /* LD B,HX */ -OP(dd,45) { B = LX; } /* LD B,LX */ -OP(dd,46) { eax(); B = rm(m_ea); } /* LD B,(IX+o) */ -OP(dd,47) { illegal_1(); op_47(); } /* DB DD */ - -OP(dd,48) { illegal_1(); op_48(); } /* DB DD */ -OP(dd,49) { illegal_1(); op_49(); } /* DB DD */ -OP(dd,4a) { illegal_1(); op_4a(); } /* DB DD */ -OP(dd,4b) { illegal_1(); op_4b(); } /* DB DD */ -OP(dd,4c) { C = HX; } /* LD C,HX */ -OP(dd,4d) { C = LX; } /* LD C,LX */ -OP(dd,4e) { eax(); C = rm(m_ea); } /* LD C,(IX+o) */ -OP(dd,4f) { illegal_1(); op_4f(); } /* DB DD */ - -OP(dd,50) { illegal_1(); op_50(); } /* DB DD */ -OP(dd,51) { illegal_1(); op_51(); } /* DB DD */ -OP(dd,52) { illegal_1(); op_52(); } /* DB DD */ -OP(dd,53) { illegal_1(); op_53(); } /* DB DD */ -OP(dd,54) { D = HX; } /* LD D,HX */ -OP(dd,55) { D = LX; } /* LD D,LX */ -OP(dd,56) { eax(); D = rm(m_ea); } /* LD D,(IX+o) */ -OP(dd,57) { illegal_1(); op_57(); } /* DB DD */ - -OP(dd,58) { illegal_1(); op_58(); } /* DB DD */ -OP(dd,59) { illegal_1(); op_59(); } /* DB DD */ -OP(dd,5a) { illegal_1(); op_5a(); } /* DB DD */ -OP(dd,5b) { illegal_1(); op_5b(); } /* DB DD */ -OP(dd,5c) { E = HX; } /* LD E,HX */ -OP(dd,5d) { E = LX; } /* LD E,LX */ -OP(dd,5e) { eax(); E = rm(m_ea); } /* LD E,(IX+o) */ -OP(dd,5f) { illegal_1(); op_5f(); } /* DB DD */ - -OP(dd,60) { HX = B; } /* LD HX,B */ -OP(dd,61) { HX = C; } /* LD HX,C */ -OP(dd,62) { HX = D; } /* LD HX,D */ -OP(dd,63) { HX = E; } /* LD HX,E */ -OP(dd,64) { } /* LD HX,HX */ -OP(dd,65) { HX = LX; } /* LD HX,LX */ -OP(dd,66) { eax(); H = rm(m_ea); } /* LD H,(IX+o) */ -OP(dd,67) { HX = A; } /* LD HX,A */ - -OP(dd,68) { LX = B; } /* LD LX,B */ -OP(dd,69) { LX = C; } /* LD LX,C */ -OP(dd,6a) { LX = D; } /* LD LX,D */ -OP(dd,6b) { LX = E; } /* LD LX,E */ -OP(dd,6c) { LX = HX; } /* LD LX,HX */ -OP(dd,6d) { } /* LD LX,LX */ -OP(dd,6e) { eax(); L = rm(m_ea); } /* LD L,(IX+o) */ -OP(dd,6f) { LX = A; } /* LD LX,A */ - -OP(dd,70) { eax(); wm(m_ea, B); } /* LD (IX+o),B */ -OP(dd,71) { eax(); wm(m_ea, C); } /* LD (IX+o),C */ -OP(dd,72) { eax(); wm(m_ea, D); } /* LD (IX+o),D */ -OP(dd,73) { eax(); wm(m_ea, E); } /* LD (IX+o),E */ -OP(dd,74) { eax(); wm(m_ea, H); } /* LD (IX+o),H */ -OP(dd,75) { eax(); wm(m_ea, L); } /* LD (IX+o),L */ -OP(dd,76) { illegal_1(); op_76(); } /* DB DD */ -OP(dd,77) { eax(); wm(m_ea, A); } /* LD (IX+o),A */ - -OP(dd,78) { illegal_1(); op_78(); } /* DB DD */ -OP(dd,79) { illegal_1(); op_79(); } /* DB DD */ -OP(dd,7a) { illegal_1(); op_7a(); } /* DB DD */ -OP(dd,7b) { illegal_1(); op_7b(); } /* DB DD */ -OP(dd,7c) { A = HX; } /* LD A,HX */ -OP(dd,7d) { A = LX; } /* LD A,LX */ -OP(dd,7e) { eax(); A = rm(m_ea); } /* LD A,(IX+o) */ -OP(dd,7f) { illegal_1(); op_7f(); } /* DB DD */ - -OP(dd,80) { illegal_1(); op_80(); } /* DB DD */ -OP(dd,81) { illegal_1(); op_81(); } /* DB DD */ -OP(dd,82) { illegal_1(); op_82(); } /* DB DD */ -OP(dd,83) { illegal_1(); op_83(); } /* DB DD */ -OP(dd,84) { add_a(HX); } /* ADD A,HX */ -OP(dd,85) { add_a(LX); } /* ADD A,LX */ -OP(dd,86) { eax(); add_a(rm(m_ea)); } /* ADD A,(IX+o) */ -OP(dd,87) { illegal_1(); op_87(); } /* DB DD */ - -OP(dd,88) { illegal_1(); op_88(); } /* DB DD */ -OP(dd,89) { illegal_1(); op_89(); } /* DB DD */ -OP(dd,8a) { illegal_1(); op_8a(); } /* DB DD */ -OP(dd,8b) { illegal_1(); op_8b(); } /* DB DD */ -OP(dd,8c) { adc_a(HX); } /* ADC A,HX */ -OP(dd,8d) { adc_a(LX); } /* ADC A,LX */ -OP(dd,8e) { eax(); adc_a(rm(m_ea)); } /* ADC A,(IX+o) */ -OP(dd,8f) { illegal_1(); op_8f(); } /* DB DD */ - -OP(dd,90) { illegal_1(); op_90(); } /* DB DD */ -OP(dd,91) { illegal_1(); op_91(); } /* DB DD */ -OP(dd,92) { illegal_1(); op_92(); } /* DB DD */ -OP(dd,93) { illegal_1(); op_93(); } /* DB DD */ -OP(dd,94) { sub(HX); } /* SUB HX */ -OP(dd,95) { sub(LX); } /* SUB LX */ -OP(dd,96) { eax(); sub(rm(m_ea)); } /* SUB (IX+o) */ -OP(dd,97) { illegal_1(); op_97(); } /* DB DD */ - -OP(dd,98) { illegal_1(); op_98(); } /* DB DD */ -OP(dd,99) { illegal_1(); op_99(); } /* DB DD */ -OP(dd,9a) { illegal_1(); op_9a(); } /* DB DD */ -OP(dd,9b) { illegal_1(); op_9b(); } /* DB DD */ -OP(dd,9c) { sbc_a(HX); } /* SBC A,HX */ -OP(dd,9d) { sbc_a(LX); } /* SBC A,LX */ -OP(dd,9e) { eax(); sbc_a(rm(m_ea)); } /* SBC A,(IX+o) */ -OP(dd,9f) { illegal_1(); op_9f(); } /* DB DD */ - -OP(dd,a0) { illegal_1(); op_a0(); } /* DB DD */ -OP(dd,a1) { illegal_1(); op_a1(); } /* DB DD */ -OP(dd,a2) { illegal_1(); op_a2(); } /* DB DD */ -OP(dd,a3) { illegal_1(); op_a3(); } /* DB DD */ -OP(dd,a4) { and_a(HX); } /* AND HX */ -OP(dd,a5) { and_a(LX); } /* AND LX */ -OP(dd,a6) { eax(); and_a(rm(m_ea)); } /* AND (IX+o) */ -OP(dd,a7) { illegal_1(); op_a7(); } /* DB DD */ - -OP(dd,a8) { illegal_1(); op_a8(); } /* DB DD */ -OP(dd,a9) { illegal_1(); op_a9(); } /* DB DD */ -OP(dd,aa) { illegal_1(); op_aa(); } /* DB DD */ -OP(dd,ab) { illegal_1(); op_ab(); } /* DB DD */ -OP(dd,ac) { xor_a(HX); } /* XOR HX */ -OP(dd,ad) { xor_a(LX); } /* XOR LX */ -OP(dd,ae) { eax(); xor_a(rm(m_ea)); } /* XOR (IX+o) */ -OP(dd,af) { illegal_1(); op_af(); } /* DB DD */ - -OP(dd,b0) { illegal_1(); op_b0(); } /* DB DD */ -OP(dd,b1) { illegal_1(); op_b1(); } /* DB DD */ -OP(dd,b2) { illegal_1(); op_b2(); } /* DB DD */ -OP(dd,b3) { illegal_1(); op_b3(); } /* DB DD */ -OP(dd,b4) { or_a(HX); } /* OR HX */ -OP(dd,b5) { or_a(LX); } /* OR LX */ -OP(dd,b6) { eax(); or_a(rm(m_ea)); } /* OR (IX+o) */ -OP(dd,b7) { illegal_1(); op_b7(); } /* DB DD */ - -OP(dd,b8) { illegal_1(); op_b8(); } /* DB DD */ -OP(dd,b9) { illegal_1(); op_b9(); } /* DB DD */ -OP(dd,ba) { illegal_1(); op_ba(); } /* DB DD */ -OP(dd,bb) { illegal_1(); op_bb(); } /* DB DD */ -OP(dd,bc) { cp(HX); } /* CP HX */ -OP(dd,bd) { cp(LX); } /* CP LX */ -OP(dd,be) { eax(); cp(rm(m_ea)); } /* CP (IX+o) */ -OP(dd,bf) { illegal_1(); op_bf(); } /* DB DD */ - -OP(dd,c0) { illegal_1(); op_c0(); } /* DB DD */ -OP(dd,c1) { illegal_1(); op_c1(); } /* DB DD */ -OP(dd,c2) { illegal_1(); op_c2(); } /* DB DD */ -OP(dd,c3) { illegal_1(); op_c3(); } /* DB DD */ -OP(dd,c4) { illegal_1(); op_c4(); } /* DB DD */ -OP(dd,c5) { illegal_1(); op_c5(); } /* DB DD */ -OP(dd,c6) { illegal_1(); op_c6(); } /* DB DD */ -OP(dd,c7) { illegal_1(); op_c7(); } /* DB DD */ - -OP(dd,c8) { illegal_1(); op_c8(); } /* DB DD */ -OP(dd,c9) { illegal_1(); op_c9(); } /* DB DD */ -OP(dd,ca) { illegal_1(); op_ca(); } /* DB DD */ -OP(dd,cb) { eax(); EXEC(xycb,arg()); } /* ** DD CB xx */ -OP(dd,cc) { illegal_1(); op_cc(); } /* DB DD */ -OP(dd,cd) { illegal_1(); op_cd(); } /* DB DD */ -OP(dd,ce) { illegal_1(); op_ce(); } /* DB DD */ -OP(dd,cf) { illegal_1(); op_cf(); } /* DB DD */ - -OP(dd,d0) { illegal_1(); op_d0(); } /* DB DD */ -OP(dd,d1) { illegal_1(); op_d1(); } /* DB DD */ -OP(dd,d2) { illegal_1(); op_d2(); } /* DB DD */ -OP(dd,d3) { illegal_1(); op_d3(); } /* DB DD */ -OP(dd,d4) { illegal_1(); op_d4(); } /* DB DD */ -OP(dd,d5) { illegal_1(); op_d5(); } /* DB DD */ -OP(dd,d6) { illegal_1(); op_d6(); } /* DB DD */ -OP(dd,d7) { illegal_1(); op_d7(); } /* DB DD */ - -OP(dd,d8) { illegal_1(); op_d8(); } /* DB DD */ -OP(dd,d9) { illegal_1(); op_d9(); } /* DB DD */ -OP(dd,da) { illegal_1(); op_da(); } /* DB DD */ -OP(dd,db) { illegal_1(); op_db(); } /* DB DD */ -OP(dd,dc) { illegal_1(); op_dc(); } /* DB DD */ -OP(dd,dd) { illegal_1(); op_dd(); } /* DB DD */ -OP(dd,de) { illegal_1(); op_de(); } /* DB DD */ -OP(dd,df) { illegal_1(); op_df(); } /* DB DD */ - -OP(dd,e0) { illegal_1(); op_e0(); } /* DB DD */ -OP(dd,e1) { pop(m_ix); } /* POP IX */ -OP(dd,e2) { illegal_1(); op_e2(); } /* DB DD */ -OP(dd,e3) { ex_sp(m_ix); } /* EX (SP),IX */ -OP(dd,e4) { illegal_1(); op_e4(); } /* DB DD */ -OP(dd,e5) { push(m_ix); } /* PUSH IX */ -OP(dd,e6) { illegal_1(); op_e6(); } /* DB DD */ -OP(dd,e7) { illegal_1(); op_e7(); } /* DB DD */ - -OP(dd,e8) { illegal_1(); op_e8(); } /* DB DD */ -OP(dd,e9) { PC = IX; } /* JP (IX) */ -OP(dd,ea) { illegal_1(); op_ea(); } /* DB DD */ -OP(dd,eb) { illegal_1(); op_eb(); } /* DB DD */ -OP(dd,ec) { illegal_1(); op_ec(); } /* DB DD */ -OP(dd,ed) { illegal_1(); op_ed(); } /* DB DD */ -OP(dd,ee) { illegal_1(); op_ee(); } /* DB DD */ -OP(dd,ef) { illegal_1(); op_ef(); } /* DB DD */ - -OP(dd,f0) { illegal_1(); op_f0(); } /* DB DD */ -OP(dd,f1) { illegal_1(); op_f1(); } /* DB DD */ -OP(dd,f2) { illegal_1(); op_f2(); } /* DB DD */ -OP(dd,f3) { illegal_1(); op_f3(); } /* DB DD */ -OP(dd,f4) { illegal_1(); op_f4(); } /* DB DD */ -OP(dd,f5) { illegal_1(); op_f5(); } /* DB DD */ -OP(dd,f6) { illegal_1(); op_f6(); } /* DB DD */ -OP(dd,f7) { illegal_1(); op_f7(); } /* DB DD */ - -OP(dd,f8) { illegal_1(); op_f8(); } /* DB DD */ -OP(dd,f9) { SP = IX; } /* LD SP,IX */ -OP(dd,fa) { illegal_1(); op_fa(); } /* DB DD */ -OP(dd,fb) { illegal_1(); op_fb(); } /* DB DD */ -OP(dd,fc) { illegal_1(); op_fc(); } /* DB DD */ -OP(dd,fd) { illegal_1(); op_fd(); } /* DB DD */ -OP(dd,fe) { illegal_1(); op_fe(); } /* DB DD */ -OP(dd,ff) { illegal_1(); op_ff(); } /* DB DD */ - -/********************************************************** - * IY register related opcodes (FD prefix) - **********************************************************/ -OP(fd,00) { illegal_1(); op_00(); } /* DB FD */ -OP(fd,01) { illegal_1(); op_01(); } /* DB FD */ -OP(fd,02) { illegal_1(); op_02(); } /* DB FD */ -OP(fd,03) { illegal_1(); op_03(); } /* DB FD */ -OP(fd,04) { illegal_1(); op_04(); } /* DB FD */ -OP(fd,05) { illegal_1(); op_05(); } /* DB FD */ -OP(fd,06) { illegal_1(); op_06(); } /* DB FD */ -OP(fd,07) { illegal_1(); op_07(); } /* DB FD */ - -OP(fd,08) { illegal_1(); op_08(); } /* DB FD */ -OP(fd,09) { add16(m_iy, m_bc); } /* ADD IY,BC */ -OP(fd,0a) { illegal_1(); op_0a(); } /* DB FD */ -OP(fd,0b) { illegal_1(); op_0b(); } /* DB FD */ -OP(fd,0c) { illegal_1(); op_0c(); } /* DB FD */ -OP(fd,0d) { illegal_1(); op_0d(); } /* DB FD */ -OP(fd,0e) { illegal_1(); op_0e(); } /* DB FD */ -OP(fd,0f) { illegal_1(); op_0f(); } /* DB FD */ - -OP(fd,10) { illegal_1(); op_10(); } /* DB FD */ -OP(fd,11) { illegal_1(); op_11(); } /* DB FD */ -OP(fd,12) { illegal_1(); op_12(); } /* DB FD */ -OP(fd,13) { illegal_1(); op_13(); } /* DB FD */ -OP(fd,14) { illegal_1(); op_14(); } /* DB FD */ -OP(fd,15) { illegal_1(); op_15(); } /* DB FD */ -OP(fd,16) { illegal_1(); op_16(); } /* DB FD */ -OP(fd,17) { illegal_1(); op_17(); } /* DB FD */ - -OP(fd,18) { illegal_1(); op_18(); } /* DB FD */ -OP(fd,19) { add16(m_iy, m_de); } /* ADD IY,DE */ -OP(fd,1a) { illegal_1(); op_1a(); } /* DB FD */ -OP(fd,1b) { illegal_1(); op_1b(); } /* DB FD */ -OP(fd,1c) { illegal_1(); op_1c(); } /* DB FD */ -OP(fd,1d) { illegal_1(); op_1d(); } /* DB FD */ -OP(fd,1e) { illegal_1(); op_1e(); } /* DB FD */ -OP(fd,1f) { illegal_1(); op_1f(); } /* DB FD */ - -OP(fd,20) { illegal_1(); op_20(); } /* DB FD */ -OP(fd,21) { IY = arg16(); } /* LD IY,w */ -OP(fd,22) { m_ea = arg16(); wm16(m_ea, m_iy); WZ = m_ea + 1; } /* LD (w),IY */ -OP(fd,23) { IY++; } /* INC IY */ -OP(fd,24) { HY = inc(HY); } /* INC HY */ -OP(fd,25) { HY = dec(HY); } /* DEC HY */ -OP(fd,26) { HY = arg(); } /* LD HY,n */ -OP(fd,27) { illegal_1(); op_27(); } /* DB FD */ - -OP(fd,28) { illegal_1(); op_28(); } /* DB FD */ -OP(fd,29) { add16(m_iy, m_iy); } /* ADD IY,IY */ -OP(fd,2a) { m_ea = arg16(); rm16(m_ea, m_iy); WZ = m_ea + 1; } /* LD IY,(w) */ -OP(fd,2b) { IY--; } /* DEC IY */ -OP(fd,2c) { LY = inc(LY); } /* INC LY */ -OP(fd,2d) { LY = dec(LY); } /* DEC LY */ -OP(fd,2e) { LY = arg(); } /* LD LY,n */ -OP(fd,2f) { illegal_1(); op_2f(); } /* DB FD */ - -OP(fd,30) { illegal_1(); op_30(); } /* DB FD */ -OP(fd,31) { illegal_1(); op_31(); } /* DB FD */ -OP(fd,32) { illegal_1(); op_32(); } /* DB FD */ -OP(fd,33) { illegal_1(); op_33(); } /* DB FD */ -OP(fd,34) { eay(); wm(m_ea, inc(rm(m_ea))); } /* INC (IY+o) */ -OP(fd,35) { eay(); wm(m_ea, dec(rm(m_ea))); } /* DEC (IY+o) */ -OP(fd,36) { eay(); wm(m_ea, arg()); } /* LD (IY+o),n */ -OP(fd,37) { illegal_1(); op_37(); } /* DB FD */ - -OP(fd,38) { illegal_1(); op_38(); } /* DB FD */ -OP(fd,39) { add16(m_iy, m_sp); } /* ADD IY,SP */ -OP(fd,3a) { illegal_1(); op_3a(); } /* DB FD */ -OP(fd,3b) { illegal_1(); op_3b(); } /* DB FD */ -OP(fd,3c) { illegal_1(); op_3c(); } /* DB FD */ -OP(fd,3d) { illegal_1(); op_3d(); } /* DB FD */ -OP(fd,3e) { illegal_1(); op_3e(); } /* DB FD */ -OP(fd,3f) { illegal_1(); op_3f(); } /* DB FD */ - -OP(fd,40) { illegal_1(); op_40(); } /* DB FD */ -OP(fd,41) { illegal_1(); op_41(); } /* DB FD */ -OP(fd,42) { illegal_1(); op_42(); } /* DB FD */ -OP(fd,43) { illegal_1(); op_43(); } /* DB FD */ -OP(fd,44) { B = HY; } /* LD B,HY */ -OP(fd,45) { B = LY; } /* LD B,LY */ -OP(fd,46) { eay(); B = rm(m_ea); } /* LD B,(IY+o) */ -OP(fd,47) { illegal_1(); op_47(); } /* DB FD */ - -OP(fd,48) { illegal_1(); op_48(); } /* DB FD */ -OP(fd,49) { illegal_1(); op_49(); } /* DB FD */ -OP(fd,4a) { illegal_1(); op_4a(); } /* DB FD */ -OP(fd,4b) { illegal_1(); op_4b(); } /* DB FD */ -OP(fd,4c) { C = HY; } /* LD C,HY */ -OP(fd,4d) { C = LY; } /* LD C,LY */ -OP(fd,4e) { eay(); C = rm(m_ea); } /* LD C,(IY+o) */ -OP(fd,4f) { illegal_1(); op_4f(); } /* DB FD */ - -OP(fd,50) { illegal_1(); op_50(); } /* DB FD */ -OP(fd,51) { illegal_1(); op_51(); } /* DB FD */ -OP(fd,52) { illegal_1(); op_52(); } /* DB FD */ -OP(fd,53) { illegal_1(); op_53(); } /* DB FD */ -OP(fd,54) { D = HY; } /* LD D,HY */ -OP(fd,55) { D = LY; } /* LD D,LY */ -OP(fd,56) { eay(); D = rm(m_ea); } /* LD D,(IY+o) */ -OP(fd,57) { illegal_1(); op_57(); } /* DB FD */ - -OP(fd,58) { illegal_1(); op_58(); } /* DB FD */ -OP(fd,59) { illegal_1(); op_59(); } /* DB FD */ -OP(fd,5a) { illegal_1(); op_5a(); } /* DB FD */ -OP(fd,5b) { illegal_1(); op_5b(); } /* DB FD */ -OP(fd,5c) { E = HY; } /* LD E,HY */ -OP(fd,5d) { E = LY; } /* LD E,LY */ -OP(fd,5e) { eay(); E = rm(m_ea); } /* LD E,(IY+o) */ -OP(fd,5f) { illegal_1(); op_5f(); } /* DB FD */ - -OP(fd,60) { HY = B; } /* LD HY,B */ -OP(fd,61) { HY = C; } /* LD HY,C */ -OP(fd,62) { HY = D; } /* LD HY,D */ -OP(fd,63) { HY = E; } /* LD HY,E */ -OP(fd,64) { } /* LD HY,HY */ -OP(fd,65) { HY = LY; } /* LD HY,LY */ -OP(fd,66) { eay(); H = rm(m_ea); } /* LD H,(IY+o) */ -OP(fd,67) { HY = A; } /* LD HY,A */ - -OP(fd,68) { LY = B; } /* LD LY,B */ -OP(fd,69) { LY = C; } /* LD LY,C */ -OP(fd,6a) { LY = D; } /* LD LY,D */ -OP(fd,6b) { LY = E; } /* LD LY,E */ -OP(fd,6c) { LY = HY; } /* LD LY,HY */ -OP(fd,6d) { } /* LD LY,LY */ -OP(fd,6e) { eay(); L = rm(m_ea); } /* LD L,(IY+o) */ -OP(fd,6f) { LY = A; } /* LD LY,A */ - -OP(fd,70) { eay(); wm(m_ea, B); } /* LD (IY+o),B */ -OP(fd,71) { eay(); wm(m_ea, C); } /* LD (IY+o),C */ -OP(fd,72) { eay(); wm(m_ea, D); } /* LD (IY+o),D */ -OP(fd,73) { eay(); wm(m_ea, E); } /* LD (IY+o),E */ -OP(fd,74) { eay(); wm(m_ea, H); } /* LD (IY+o),H */ -OP(fd,75) { eay(); wm(m_ea, L); } /* LD (IY+o),L */ -OP(fd,76) { illegal_1(); op_76(); } /* DB FD */ -OP(fd,77) { eay(); wm(m_ea, A); } /* LD (IY+o),A */ - -OP(fd,78) { illegal_1(); op_78(); } /* DB FD */ -OP(fd,79) { illegal_1(); op_79(); } /* DB FD */ -OP(fd,7a) { illegal_1(); op_7a(); } /* DB FD */ -OP(fd,7b) { illegal_1(); op_7b(); } /* DB FD */ -OP(fd,7c) { A = HY; } /* LD A,HY */ -OP(fd,7d) { A = LY; } /* LD A,LY */ -OP(fd,7e) { eay(); A = rm(m_ea); } /* LD A,(IY+o) */ -OP(fd,7f) { illegal_1(); op_7f(); } /* DB FD */ - -OP(fd,80) { illegal_1(); op_80(); } /* DB FD */ -OP(fd,81) { illegal_1(); op_81(); } /* DB FD */ -OP(fd,82) { illegal_1(); op_82(); } /* DB FD */ -OP(fd,83) { illegal_1(); op_83(); } /* DB FD */ -OP(fd,84) { add_a(HY); } /* ADD A,HY */ -OP(fd,85) { add_a(LY); } /* ADD A,LY */ -OP(fd,86) { eay(); add_a(rm(m_ea)); } /* ADD A,(IY+o) */ -OP(fd,87) { illegal_1(); op_87(); } /* DB FD */ - -OP(fd,88) { illegal_1(); op_88(); } /* DB FD */ -OP(fd,89) { illegal_1(); op_89(); } /* DB FD */ -OP(fd,8a) { illegal_1(); op_8a(); } /* DB FD */ -OP(fd,8b) { illegal_1(); op_8b(); } /* DB FD */ -OP(fd,8c) { adc_a(HY); } /* ADC A,HY */ -OP(fd,8d) { adc_a(LY); } /* ADC A,LY */ -OP(fd,8e) { eay(); adc_a(rm(m_ea)); } /* ADC A,(IY+o) */ -OP(fd,8f) { illegal_1(); op_8f(); } /* DB FD */ - -OP(fd,90) { illegal_1(); op_90(); } /* DB FD */ -OP(fd,91) { illegal_1(); op_91(); } /* DB FD */ -OP(fd,92) { illegal_1(); op_92(); } /* DB FD */ -OP(fd,93) { illegal_1(); op_93(); } /* DB FD */ -OP(fd,94) { sub(HY); } /* SUB HY */ -OP(fd,95) { sub(LY); } /* SUB LY */ -OP(fd,96) { eay(); sub(rm(m_ea)); } /* SUB (IY+o) */ -OP(fd,97) { illegal_1(); op_97(); } /* DB FD */ - -OP(fd,98) { illegal_1(); op_98(); } /* DB FD */ -OP(fd,99) { illegal_1(); op_99(); } /* DB FD */ -OP(fd,9a) { illegal_1(); op_9a(); } /* DB FD */ -OP(fd,9b) { illegal_1(); op_9b(); } /* DB FD */ -OP(fd,9c) { sbc_a(HY); } /* SBC A,HY */ -OP(fd,9d) { sbc_a(LY); } /* SBC A,LY */ -OP(fd,9e) { eay(); sbc_a(rm(m_ea)); } /* SBC A,(IY+o) */ -OP(fd,9f) { illegal_1(); op_9f(); } /* DB FD */ - -OP(fd,a0) { illegal_1(); op_a0(); } /* DB FD */ -OP(fd,a1) { illegal_1(); op_a1(); } /* DB FD */ -OP(fd,a2) { illegal_1(); op_a2(); } /* DB FD */ -OP(fd,a3) { illegal_1(); op_a3(); } /* DB FD */ -OP(fd,a4) { and_a(HY); } /* AND HY */ -OP(fd,a5) { and_a(LY); } /* AND LY */ -OP(fd,a6) { eay(); and_a(rm(m_ea)); } /* AND (IY+o) */ -OP(fd,a7) { illegal_1(); op_a7(); } /* DB FD */ - -OP(fd,a8) { illegal_1(); op_a8(); } /* DB FD */ -OP(fd,a9) { illegal_1(); op_a9(); } /* DB FD */ -OP(fd,aa) { illegal_1(); op_aa(); } /* DB FD */ -OP(fd,ab) { illegal_1(); op_ab(); } /* DB FD */ -OP(fd,ac) { xor_a(HY); } /* XOR HY */ -OP(fd,ad) { xor_a(LY); } /* XOR LY */ -OP(fd,ae) { eay(); xor_a(rm(m_ea)); } /* XOR (IY+o) */ -OP(fd,af) { illegal_1(); op_af(); } /* DB FD */ - -OP(fd,b0) { illegal_1(); op_b0(); } /* DB FD */ -OP(fd,b1) { illegal_1(); op_b1(); } /* DB FD */ -OP(fd,b2) { illegal_1(); op_b2(); } /* DB FD */ -OP(fd,b3) { illegal_1(); op_b3(); } /* DB FD */ -OP(fd,b4) { or_a(HY); } /* OR HY */ -OP(fd,b5) { or_a(LY); } /* OR LY */ -OP(fd,b6) { eay(); or_a(rm(m_ea)); } /* OR (IY+o) */ -OP(fd,b7) { illegal_1(); op_b7(); } /* DB FD */ - -OP(fd,b8) { illegal_1(); op_b8(); } /* DB FD */ -OP(fd,b9) { illegal_1(); op_b9(); } /* DB FD */ -OP(fd,ba) { illegal_1(); op_ba(); } /* DB FD */ -OP(fd,bb) { illegal_1(); op_bb(); } /* DB FD */ -OP(fd,bc) { cp(HY); } /* CP HY */ -OP(fd,bd) { cp(LY); } /* CP LY */ -OP(fd,be) { eay(); cp(rm(m_ea)); } /* CP (IY+o) */ -OP(fd,bf) { illegal_1(); op_bf(); } /* DB FD */ - -OP(fd,c0) { illegal_1(); op_c0(); } /* DB FD */ -OP(fd,c1) { illegal_1(); op_c1(); } /* DB FD */ -OP(fd,c2) { illegal_1(); op_c2(); } /* DB FD */ -OP(fd,c3) { illegal_1(); op_c3(); } /* DB FD */ -OP(fd,c4) { illegal_1(); op_c4(); } /* DB FD */ -OP(fd,c5) { illegal_1(); op_c5(); } /* DB FD */ -OP(fd,c6) { illegal_1(); op_c6(); } /* DB FD */ -OP(fd,c7) { illegal_1(); op_c7(); } /* DB FD */ - -OP(fd,c8) { illegal_1(); op_c8(); } /* DB FD */ -OP(fd,c9) { illegal_1(); op_c9(); } /* DB FD */ -OP(fd,ca) { illegal_1(); op_ca(); } /* DB FD */ -OP(fd,cb) { eay(); EXEC(xycb,arg()); } /* ** FD CB xx */ -OP(fd,cc) { illegal_1(); op_cc(); } /* DB FD */ -OP(fd,cd) { illegal_1(); op_cd(); } /* DB FD */ -OP(fd,ce) { illegal_1(); op_ce(); } /* DB FD */ -OP(fd,cf) { illegal_1(); op_cf(); } /* DB FD */ - -OP(fd,d0) { illegal_1(); op_d0(); } /* DB FD */ -OP(fd,d1) { illegal_1(); op_d1(); } /* DB FD */ -OP(fd,d2) { illegal_1(); op_d2(); } /* DB FD */ -OP(fd,d3) { illegal_1(); op_d3(); } /* DB FD */ -OP(fd,d4) { illegal_1(); op_d4(); } /* DB FD */ -OP(fd,d5) { illegal_1(); op_d5(); } /* DB FD */ -OP(fd,d6) { illegal_1(); op_d6(); } /* DB FD */ -OP(fd,d7) { illegal_1(); op_d7(); } /* DB FD */ - -OP(fd,d8) { illegal_1(); op_d8(); } /* DB FD */ -OP(fd,d9) { illegal_1(); op_d9(); } /* DB FD */ -OP(fd,da) { illegal_1(); op_da(); } /* DB FD */ -OP(fd,db) { illegal_1(); op_db(); } /* DB FD */ -OP(fd,dc) { illegal_1(); op_dc(); } /* DB FD */ -OP(fd,dd) { illegal_1(); op_dd(); } /* DB FD */ -OP(fd,de) { illegal_1(); op_de(); } /* DB FD */ -OP(fd,df) { illegal_1(); op_df(); } /* DB FD */ - -OP(fd,e0) { illegal_1(); op_e0(); } /* DB FD */ -OP(fd,e1) { pop(m_iy); } /* POP IY */ -OP(fd,e2) { illegal_1(); op_e2(); } /* DB FD */ -OP(fd,e3) { ex_sp(m_iy); } /* EX (SP),IY */ -OP(fd,e4) { illegal_1(); op_e4(); } /* DB FD */ -OP(fd,e5) { push(m_iy); } /* PUSH IY */ -OP(fd,e6) { illegal_1(); op_e6(); } /* DB FD */ -OP(fd,e7) { illegal_1(); op_e7(); } /* DB FD */ - -OP(fd,e8) { illegal_1(); op_e8(); } /* DB FD */ -OP(fd,e9) { PC = IY; } /* JP (IY) */ -OP(fd,ea) { illegal_1(); op_ea(); } /* DB FD */ -OP(fd,eb) { illegal_1(); op_eb(); } /* DB FD */ -OP(fd,ec) { illegal_1(); op_ec(); } /* DB FD */ -OP(fd,ed) { illegal_1(); op_ed(); } /* DB FD */ -OP(fd,ee) { illegal_1(); op_ee(); } /* DB FD */ -OP(fd,ef) { illegal_1(); op_ef(); } /* DB FD */ - -OP(fd,f0) { illegal_1(); op_f0(); } /* DB FD */ -OP(fd,f1) { illegal_1(); op_f1(); } /* DB FD */ -OP(fd,f2) { illegal_1(); op_f2(); } /* DB FD */ -OP(fd,f3) { illegal_1(); op_f3(); } /* DB FD */ -OP(fd,f4) { illegal_1(); op_f4(); } /* DB FD */ -OP(fd,f5) { illegal_1(); op_f5(); } /* DB FD */ -OP(fd,f6) { illegal_1(); op_f6(); } /* DB FD */ -OP(fd,f7) { illegal_1(); op_f7(); } /* DB FD */ - -OP(fd,f8) { illegal_1(); op_f8(); } /* DB FD */ -OP(fd,f9) { SP = IY; } /* LD SP,IY */ -OP(fd,fa) { illegal_1(); op_fa(); } /* DB FD */ -OP(fd,fb) { illegal_1(); op_fb(); } /* DB FD */ -OP(fd,fc) { illegal_1(); op_fc(); } /* DB FD */ -OP(fd,fd) { illegal_1(); op_fd(); } /* DB FD */ -OP(fd,fe) { illegal_1(); op_fe(); } /* DB FD */ -OP(fd,ff) { illegal_1(); op_ff(); } /* DB FD */ - -OP(illegal,2) +void z80_device::set_f(u8 f) { - logerror("Z80 ill. opcode $ed $%02x\n", - m_opcodes_cache->read_byte((PCD-1)&0xffff)); + QT = 0; + F = f; } -/********************************************************** - * special opcodes (ED prefix) - **********************************************************/ -OP(ed,00) { illegal_2(); } /* DB ED */ -OP(ed,01) { illegal_2(); } /* DB ED */ -OP(ed,02) { illegal_2(); } /* DB ED */ -OP(ed,03) { illegal_2(); } /* DB ED */ -OP(ed,04) { illegal_2(); } /* DB ED */ -OP(ed,05) { illegal_2(); } /* DB ED */ -OP(ed,06) { illegal_2(); } /* DB ED */ -OP(ed,07) { illegal_2(); } /* DB ED */ - -OP(ed,08) { illegal_2(); } /* DB ED */ -OP(ed,09) { illegal_2(); } /* DB ED */ -OP(ed,0a) { illegal_2(); } /* DB ED */ -OP(ed,0b) { illegal_2(); } /* DB ED */ -OP(ed,0c) { illegal_2(); } /* DB ED */ -OP(ed,0d) { illegal_2(); } /* DB ED */ -OP(ed,0e) { illegal_2(); } /* DB ED */ -OP(ed,0f) { illegal_2(); } /* DB ED */ - -OP(ed,10) { illegal_2(); } /* DB ED */ -OP(ed,11) { illegal_2(); } /* DB ED */ -OP(ed,12) { illegal_2(); } /* DB ED */ -OP(ed,13) { illegal_2(); } /* DB ED */ -OP(ed,14) { illegal_2(); } /* DB ED */ -OP(ed,15) { illegal_2(); } /* DB ED */ -OP(ed,16) { illegal_2(); } /* DB ED */ -OP(ed,17) { illegal_2(); } /* DB ED */ - -OP(ed,18) { illegal_2(); } /* DB ED */ -OP(ed,19) { illegal_2(); } /* DB ED */ -OP(ed,1a) { illegal_2(); } /* DB ED */ -OP(ed,1b) { illegal_2(); } /* DB ED */ -OP(ed,1c) { illegal_2(); } /* DB ED */ -OP(ed,1d) { illegal_2(); } /* DB ED */ -OP(ed,1e) { illegal_2(); } /* DB ED */ -OP(ed,1f) { illegal_2(); } /* DB ED */ - -OP(ed,20) { illegal_2(); } /* DB ED */ -OP(ed,21) { illegal_2(); } /* DB ED */ -OP(ed,22) { illegal_2(); } /* DB ED */ -OP(ed,23) { illegal_2(); } /* DB ED */ -OP(ed,24) { illegal_2(); } /* DB ED */ -OP(ed,25) { illegal_2(); } /* DB ED */ -OP(ed,26) { illegal_2(); } /* DB ED */ -OP(ed,27) { illegal_2(); } /* DB ED */ - -OP(ed,28) { illegal_2(); } /* DB ED */ -OP(ed,29) { illegal_2(); } /* DB ED */ -OP(ed,2a) { illegal_2(); } /* DB ED */ -OP(ed,2b) { illegal_2(); } /* DB ED */ -OP(ed,2c) { illegal_2(); } /* DB ED */ -OP(ed,2d) { illegal_2(); } /* DB ED */ -OP(ed,2e) { illegal_2(); } /* DB ED */ -OP(ed,2f) { illegal_2(); } /* DB ED */ - -OP(ed,30) { illegal_2(); } /* DB ED */ -OP(ed,31) { illegal_2(); } /* DB ED */ -OP(ed,32) { illegal_2(); } /* DB ED */ -OP(ed,33) { illegal_2(); } /* DB ED */ -OP(ed,34) { illegal_2(); } /* DB ED */ -OP(ed,35) { illegal_2(); } /* DB ED */ -OP(ed,36) { illegal_2(); } /* DB ED */ -OP(ed,37) { illegal_2(); } /* DB ED */ - -OP(ed,38) { illegal_2(); } /* DB ED */ -OP(ed,39) { illegal_2(); } /* DB ED */ -OP(ed,3a) { illegal_2(); } /* DB ED */ -OP(ed,3b) { illegal_2(); } /* DB ED */ -OP(ed,3c) { illegal_2(); } /* DB ED */ -OP(ed,3d) { illegal_2(); } /* DB ED */ -OP(ed,3e) { illegal_2(); } /* DB ED */ -OP(ed,3f) { illegal_2(); } /* DB ED */ - -OP(ed,40) { B = in(BC); F = (F & CF) | SZP[B]; } /* IN B,(C) */ -OP(ed,41) { out(BC, B); } /* OUT (C),B */ -OP(ed,42) { sbc_hl(m_bc); } /* SBC HL,BC */ -OP(ed,43) { m_ea = arg16(); wm16(m_ea, m_bc); WZ = m_ea + 1; } /* LD (w),BC */ -OP(ed,44) { neg(); } /* NEG */ -OP(ed,45) { retn(); } /* RETN */ -OP(ed,46) { m_im = 0; } /* IM 0 */ -OP(ed,47) { ld_i_a(); } /* LD i,A */ - -OP(ed,48) { C = in(BC); F = (F & CF) | SZP[C]; } /* IN C,(C) */ -OP(ed,49) { out(BC, C); } /* OUT (C),C */ -OP(ed,4a) { adc_hl(m_bc); } /* ADC HL,BC */ -OP(ed,4b) { m_ea = arg16(); rm16(m_ea, m_bc); WZ = m_ea + 1; } /* LD BC,(w) */ -OP(ed,4c) { neg(); } /* NEG */ -OP(ed,4d) { reti(); } /* RETI */ -OP(ed,4e) { m_im = 0; } /* IM 0 */ -OP(ed,4f) { ld_r_a(); } /* LD r,A */ - -OP(ed,50) { D = in(BC); F = (F & CF) | SZP[D]; } /* IN D,(C) */ -OP(ed,51) { out(BC, D); } /* OUT (C),D */ -OP(ed,52) { sbc_hl(m_de); } /* SBC HL,DE */ -OP(ed,53) { m_ea = arg16(); wm16(m_ea, m_de); WZ = m_ea + 1; } /* LD (w),DE */ -OP(ed,54) { neg(); } /* NEG */ -OP(ed,55) { retn(); } /* RETN */ -OP(ed,56) { m_im = 1; } /* IM 1 */ -OP(ed,57) { ld_a_i(); } /* LD A,i */ - -OP(ed,58) { E = in(BC); F = (F & CF) | SZP[E]; } /* IN E,(C) */ -OP(ed,59) { out(BC, E); } /* OUT (C),E */ -OP(ed,5a) { adc_hl(m_de); } /* ADC HL,DE */ -OP(ed,5b) { m_ea = arg16(); rm16(m_ea, m_de); WZ = m_ea + 1; } /* LD DE,(w) */ -OP(ed,5c) { neg(); } /* NEG */ -OP(ed,5d) { reti(); } /* RETI */ -OP(ed,5e) { m_im = 2; } /* IM 2 */ -OP(ed,5f) { ld_a_r(); } /* LD A,r */ - -OP(ed,60) { H = in(BC); F = (F & CF) | SZP[H]; } /* IN H,(C) */ -OP(ed,61) { out(BC, H); } /* OUT (C),H */ -OP(ed,62) { sbc_hl(m_hl); } /* SBC HL,HL */ -OP(ed,63) { m_ea = arg16(); wm16(m_ea, m_hl); WZ = m_ea + 1; } /* LD (w),HL */ -OP(ed,64) { neg(); } /* NEG */ -OP(ed,65) { retn(); } /* RETN */ -OP(ed,66) { m_im = 0; } /* IM 0 */ -OP(ed,67) { rrd(); } /* RRD (HL) */ - -OP(ed,68) { L = in(BC); F = (F & CF) | SZP[L]; } /* IN L,(C) */ -OP(ed,69) { out(BC, L); } /* OUT (C),L */ -OP(ed,6a) { adc_hl(m_hl); } /* ADC HL,HL */ -OP(ed,6b) { m_ea = arg16(); rm16(m_ea, m_hl); WZ = m_ea + 1; } /* LD HL,(w) */ -OP(ed,6c) { neg(); } /* NEG */ -OP(ed,6d) { reti(); } /* RETI */ -OP(ed,6e) { m_im = 0; } /* IM 0 */ -OP(ed,6f) { rld(); } /* RLD (HL) */ - -OP(ed,70) { uint8_t res = in(BC); F = (F & CF) | SZP[res]; } /* IN 0,(C) */ -OP(ed,71) { out(BC, 0); } /* OUT (C),0 */ -OP(ed,72) { sbc_hl(m_sp); } /* SBC HL,SP */ -OP(ed,73) { m_ea = arg16(); wm16(m_ea, m_sp); WZ = m_ea + 1; } /* LD (w),SP */ -OP(ed,74) { neg(); } /* NEG */ -OP(ed,75) { retn(); } /* RETN */ -OP(ed,76) { m_im = 1; } /* IM 1 */ -OP(ed,77) { illegal_2(); } /* DB ED,77 */ - -OP(ed,78) { A = in(BC); F = (F & CF) | SZP[A]; WZ = BC + 1; } /* IN A,(C) */ -OP(ed,79) { out(BC, A); WZ = BC + 1; } /* OUT (C),A */ -OP(ed,7a) { adc_hl(m_sp); } /* ADC HL,SP */ -OP(ed,7b) { m_ea = arg16(); rm16(m_ea, m_sp); WZ = m_ea + 1; } /* LD SP,(w) */ -OP(ed,7c) { neg(); } /* NEG */ -OP(ed,7d) { reti(); } /* RETI */ -OP(ed,7e) { m_im = 2; } /* IM 2 */ -OP(ed,7f) { illegal_2(); } /* DB ED,7F */ - -OP(ed,80) { illegal_2(); } /* DB ED */ -OP(ed,81) { illegal_2(); } /* DB ED */ -OP(ed,82) { illegal_2(); } /* DB ED */ -OP(ed,83) { illegal_2(); } /* DB ED */ -OP(ed,84) { illegal_2(); } /* DB ED */ -OP(ed,85) { illegal_2(); } /* DB ED */ -OP(ed,86) { illegal_2(); } /* DB ED */ -OP(ed,87) { illegal_2(); } /* DB ED */ - -OP(ed,88) { illegal_2(); } /* DB ED */ -OP(ed,89) { illegal_2(); } /* DB ED */ -OP(ed,8a) { illegal_2(); } /* DB ED */ -OP(ed,8b) { illegal_2(); } /* DB ED */ -OP(ed,8c) { illegal_2(); } /* DB ED */ -OP(ed,8d) { illegal_2(); } /* DB ED */ -OP(ed,8e) { illegal_2(); } /* DB ED */ -OP(ed,8f) { illegal_2(); } /* DB ED */ - -OP(ed,90) { illegal_2(); } /* DB ED */ -OP(ed,91) { illegal_2(); } /* DB ED */ -OP(ed,92) { illegal_2(); } /* DB ED */ -OP(ed,93) { illegal_2(); } /* DB ED */ -OP(ed,94) { illegal_2(); } /* DB ED */ -OP(ed,95) { illegal_2(); } /* DB ED */ -OP(ed,96) { illegal_2(); } /* DB ED */ -OP(ed,97) { illegal_2(); } /* DB ED */ - -OP(ed,98) { illegal_2(); } /* DB ED */ -OP(ed,99) { illegal_2(); } /* DB ED */ -OP(ed,9a) { illegal_2(); } /* DB ED */ -OP(ed,9b) { illegal_2(); } /* DB ED */ -OP(ed,9c) { illegal_2(); } /* DB ED */ -OP(ed,9d) { illegal_2(); } /* DB ED */ -OP(ed,9e) { illegal_2(); } /* DB ED */ -OP(ed,9f) { illegal_2(); } /* DB ED */ - -OP(ed,a0) { ldi(); } /* LDI */ -OP(ed,a1) { cpi(); } /* CPI */ -OP(ed,a2) { ini(); } /* INI */ -OP(ed,a3) { outi(); } /* OUTI */ -OP(ed,a4) { illegal_2(); } /* DB ED */ -OP(ed,a5) { illegal_2(); } /* DB ED */ -OP(ed,a6) { illegal_2(); } /* DB ED */ -OP(ed,a7) { illegal_2(); } /* DB ED */ - -OP(ed,a8) { ldd(); } /* LDD */ -OP(ed,a9) { cpd(); } /* CPD */ -OP(ed,aa) { ind(); } /* IND */ -OP(ed,ab) { outd(); } /* OUTD */ -OP(ed,ac) { illegal_2(); } /* DB ED */ -OP(ed,ad) { illegal_2(); } /* DB ED */ -OP(ed,ae) { illegal_2(); } /* DB ED */ -OP(ed,af) { illegal_2(); } /* DB ED */ - -OP(ed,b0) { ldir(); } /* LDIR */ -OP(ed,b1) { cpir(); } /* CPIR */ -OP(ed,b2) { inir(); } /* INIR */ -OP(ed,b3) { otir(); } /* OTIR */ -OP(ed,b4) { illegal_2(); } /* DB ED */ -OP(ed,b5) { illegal_2(); } /* DB ED */ -OP(ed,b6) { illegal_2(); } /* DB ED */ -OP(ed,b7) { illegal_2(); } /* DB ED */ - -OP(ed,b8) { lddr(); } /* LDDR */ -OP(ed,b9) { cpdr(); } /* CPDR */ -OP(ed,ba) { indr(); } /* INDR */ -OP(ed,bb) { otdr(); } /* OTDR */ -OP(ed,bc) { illegal_2(); } /* DB ED */ -OP(ed,bd) { illegal_2(); } /* DB ED */ -OP(ed,be) { illegal_2(); } /* DB ED */ -OP(ed,bf) { illegal_2(); } /* DB ED */ - -OP(ed,c0) { illegal_2(); } /* DB ED */ -OP(ed,c1) { illegal_2(); } /* DB ED */ -OP(ed,c2) { illegal_2(); } /* DB ED */ -OP(ed,c3) { illegal_2(); } /* DB ED */ -OP(ed,c4) { illegal_2(); } /* DB ED */ -OP(ed,c5) { illegal_2(); } /* DB ED */ -OP(ed,c6) { illegal_2(); } /* DB ED */ -OP(ed,c7) { illegal_2(); } /* DB ED */ - -OP(ed,c8) { illegal_2(); } /* DB ED */ -OP(ed,c9) { illegal_2(); } /* DB ED */ -OP(ed,ca) { illegal_2(); } /* DB ED */ -OP(ed,cb) { illegal_2(); } /* DB ED */ -OP(ed,cc) { illegal_2(); } /* DB ED */ -OP(ed,cd) { illegal_2(); } /* DB ED */ -OP(ed,ce) { illegal_2(); } /* DB ED */ -OP(ed,cf) { illegal_2(); } /* DB ED */ - -OP(ed,d0) { illegal_2(); } /* DB ED */ -OP(ed,d1) { illegal_2(); } /* DB ED */ -OP(ed,d2) { illegal_2(); } /* DB ED */ -OP(ed,d3) { illegal_2(); } /* DB ED */ -OP(ed,d4) { illegal_2(); } /* DB ED */ -OP(ed,d5) { illegal_2(); } /* DB ED */ -OP(ed,d6) { illegal_2(); } /* DB ED */ -OP(ed,d7) { illegal_2(); } /* DB ED */ - -OP(ed,d8) { illegal_2(); } /* DB ED */ -OP(ed,d9) { illegal_2(); } /* DB ED */ -OP(ed,da) { illegal_2(); } /* DB ED */ -OP(ed,db) { illegal_2(); } /* DB ED */ -OP(ed,dc) { illegal_2(); } /* DB ED */ -OP(ed,dd) { illegal_2(); } /* DB ED */ -OP(ed,de) { illegal_2(); } /* DB ED */ -OP(ed,df) { illegal_2(); } /* DB ED */ - -OP(ed,e0) { illegal_2(); } /* DB ED */ -OP(ed,e1) { illegal_2(); } /* DB ED */ -OP(ed,e2) { illegal_2(); } /* DB ED */ -OP(ed,e3) { illegal_2(); } /* DB ED */ -OP(ed,e4) { illegal_2(); } /* DB ED */ -OP(ed,e5) { illegal_2(); } /* DB ED */ -OP(ed,e6) { illegal_2(); } /* DB ED */ -OP(ed,e7) { illegal_2(); } /* DB ED */ - -OP(ed,e8) { illegal_2(); } /* DB ED */ -OP(ed,e9) { illegal_2(); } /* DB ED */ -OP(ed,ea) { illegal_2(); } /* DB ED */ -OP(ed,eb) { illegal_2(); } /* DB ED */ -OP(ed,ec) { illegal_2(); } /* DB ED */ -OP(ed,ed) { illegal_2(); } /* DB ED */ -OP(ed,ee) { illegal_2(); } /* DB ED */ -OP(ed,ef) { illegal_2(); } /* DB ED */ - -OP(ed,f0) { illegal_2(); } /* DB ED */ -OP(ed,f1) { illegal_2(); } /* DB ED */ -OP(ed,f2) { illegal_2(); } /* DB ED */ -OP(ed,f3) { illegal_2(); } /* DB ED */ -OP(ed,f4) { illegal_2(); } /* DB ED */ -OP(ed,f5) { illegal_2(); } /* DB ED */ -OP(ed,f6) { illegal_2(); } /* DB ED */ -OP(ed,f7) { illegal_2(); } /* DB ED */ - -OP(ed,f8) { illegal_2(); } /* DB ED */ -OP(ed,f9) { illegal_2(); } /* DB ED */ -OP(ed,fa) { illegal_2(); } /* DB ED */ -OP(ed,fb) { illegal_2(); } /* DB ED */ -OP(ed,fc) { illegal_2(); } /* DB ED */ -OP(ed,fd) { illegal_2(); } /* DB ED */ -OP(ed,fe) { illegal_2(); } /* DB ED */ -OP(ed,ff) { illegal_2(); } /* DB ED */ - - -/********************************************************** - * main opcodes - **********************************************************/ -OP(op,00) { } /* NOP */ -OP(op,01) { BC = arg16(); } /* LD BC,w */ -OP(op,02) { wm(BC,A); WZ_L = (BC + 1) & 0xFF; WZ_H = A; } /* LD (BC),A */ -OP(op,03) { BC++; } /* INC BC */ -OP(op,04) { B = inc(B); } /* INC B */ -OP(op,05) { B = dec(B); } /* DEC B */ -OP(op,06) { B = arg(); } /* LD B,n */ -OP(op,07) { rlca(); } /* RLCA */ - -OP(op,08) { ex_af(); } /* EX AF,AF' */ -OP(op,09) { add16(m_hl, m_bc); } /* ADD HL,BC */ -OP(op,0a) { A = rm(BC); WZ=BC+1; } /* LD A,(BC) */ -OP(op,0b) { BC--; } /* DEC BC */ -OP(op,0c) { C = inc(C); } /* INC C */ -OP(op,0d) { C = dec(C); } /* DEC C */ -OP(op,0e) { C = arg(); } /* LD C,n */ -OP(op,0f) { rrca(); } /* RRCA */ - -OP(op,10) { B--; jr_cond(B, 0x10); } /* DJNZ o */ -OP(op,11) { DE = arg16(); } /* LD DE,w */ -OP(op,12) { wm(DE,A); WZ_L = (DE + 1) & 0xFF; WZ_H = A; } /* LD (DE),A */ -OP(op,13) { DE++; } /* INC DE */ -OP(op,14) { D = inc(D); } /* INC D */ -OP(op,15) { D = dec(D); } /* DEC D */ -OP(op,16) { D = arg(); } /* LD D,n */ -OP(op,17) { rla(); } /* RLA */ - -OP(op,18) { jr(); } /* JR o */ -OP(op,19) { add16(m_hl, m_de); } /* ADD HL,DE */ -OP(op,1a) { A = rm(DE); WZ = DE + 1; } /* LD A,(DE) */ -OP(op,1b) { DE--; } /* DEC DE */ -OP(op,1c) { E = inc(E); } /* INC E */ -OP(op,1d) { E = dec(E); } /* DEC E */ -OP(op,1e) { E = arg(); } /* LD E,n */ -OP(op,1f) { rra(); } /* RRA */ - -OP(op,20) { jr_cond(!(F & ZF), 0x20); } /* JR NZ,o */ -OP(op,21) { HL = arg16(); } /* LD HL,w */ -OP(op,22) { m_ea = arg16(); wm16(m_ea, m_hl); WZ = m_ea + 1; } /* LD (w),HL */ -OP(op,23) { HL++; } /* INC HL */ -OP(op,24) { H = inc(H); } /* INC H */ -OP(op,25) { H = dec(H); } /* DEC H */ -OP(op,26) { H = arg(); } /* LD H,n */ -OP(op,27) { daa(); } /* DAA */ - -OP(op,28) { jr_cond(F & ZF, 0x28); } /* JR Z,o */ -OP(op,29) { add16(m_hl, m_hl); } /* ADD HL,HL */ -OP(op,2a) { m_ea = arg16(); rm16(m_ea, m_hl); WZ = m_ea+1; } /* LD HL,(w) */ -OP(op,2b) { HL--; } /* DEC HL */ -OP(op,2c) { L = inc(L); } /* INC L */ -OP(op,2d) { L = dec(L); } /* DEC L */ -OP(op,2e) { L = arg(); } /* LD L,n */ -OP(op,2f) { A ^= 0xff; F = (F & (SF | ZF | PF | CF)) | HF | NF | (A & (YF | XF)); } /* CPL */ - -OP(op,30) { jr_cond(!(F & CF), 0x30); } /* JR NC,o */ -OP(op,31) { SP = arg16(); } /* LD SP,w */ -OP(op,32) { m_ea = arg16(); wm(m_ea, A); WZ_L = (m_ea + 1) & 0xFF; WZ_H = A; } /* LD (w),A */ -OP(op,33) { SP++; } /* INC SP */ -OP(op,34) { wm(HL, inc(rm(HL))); } /* INC (HL) */ -OP(op,35) { wm(HL, dec(rm(HL))); } /* DEC (HL) */ -OP(op,36) { wm(HL, arg()); } /* LD (HL),n */ -OP(op,37) { F = (F & (SF | ZF | YF | XF | PF)) | CF | (A & (YF | XF)); } /* SCF */ - -OP(op,38) { jr_cond(F & CF, 0x38); } /* JR C,o */ -OP(op,39) { add16(m_hl, m_sp); } /* ADD HL,SP */ -OP(op,3a) { m_ea = arg16(); A = rm(m_ea); WZ = m_ea + 1; } /* LD A,(w) */ -OP(op,3b) { SP--; } /* DEC SP */ -OP(op,3c) { A = inc(A); } /* INC A */ -OP(op,3d) { A = dec(A); } /* DEC A */ -OP(op,3e) { A = arg(); } /* LD A,n */ -OP(op,3f) { F = ((F&(SF|ZF|YF|XF|PF|CF))|((F&CF)<<4)|(A&(YF|XF)))^CF; } /* CCF */ - -OP(op,40) { } /* LD B,B */ -OP(op,41) { B = C; } /* LD B,C */ -OP(op,42) { B = D; } /* LD B,D */ -OP(op,43) { B = E; } /* LD B,E */ -OP(op,44) { B = H; } /* LD B,H */ -OP(op,45) { B = L; } /* LD B,L */ -OP(op,46) { B = rm(HL); } /* LD B,(HL) */ -OP(op,47) { B = A; } /* LD B,A */ - -OP(op,48) { C = B; } /* LD C,B */ -OP(op,49) { } /* LD C,C */ -OP(op,4a) { C = D; } /* LD C,D */ -OP(op,4b) { C = E; } /* LD C,E */ -OP(op,4c) { C = H; } /* LD C,H */ -OP(op,4d) { C = L; } /* LD C,L */ -OP(op,4e) { C = rm(HL); } /* LD C,(HL) */ -OP(op,4f) { C = A; } /* LD C,A */ - -OP(op,50) { D = B; } /* LD D,B */ -OP(op,51) { D = C; } /* LD D,C */ -OP(op,52) { } /* LD D,D */ -OP(op,53) { D = E; } /* LD D,E */ -OP(op,54) { D = H; } /* LD D,H */ -OP(op,55) { D = L; } /* LD D,L */ -OP(op,56) { D = rm(HL); } /* LD D,(HL) */ -OP(op,57) { D = A; } /* LD D,A */ - -OP(op,58) { E = B; } /* LD E,B */ -OP(op,59) { E = C; } /* LD E,C */ -OP(op,5a) { E = D; } /* LD E,D */ -OP(op,5b) { } /* LD E,E */ -OP(op,5c) { E = H; } /* LD E,H */ -OP(op,5d) { E = L; } /* LD E,L */ -OP(op,5e) { E = rm(HL); } /* LD E,(HL) */ -OP(op,5f) { E = A; } /* LD E,A */ - -OP(op,60) { H = B; } /* LD H,B */ -OP(op,61) { H = C; } /* LD H,C */ -OP(op,62) { H = D; } /* LD H,D */ -OP(op,63) { H = E; } /* LD H,E */ -OP(op,64) { } /* LD H,H */ -OP(op,65) { H = L; } /* LD H,L */ -OP(op,66) { H = rm(HL); } /* LD H,(HL) */ -OP(op,67) { H = A; } /* LD H,A */ - -OP(op,68) { L = B; } /* LD L,B */ -OP(op,69) { L = C; } /* LD L,C */ -OP(op,6a) { L = D; } /* LD L,D */ -OP(op,6b) { L = E; } /* LD L,E */ -OP(op,6c) { L = H; } /* LD L,H */ -OP(op,6d) { } /* LD L,L */ -OP(op,6e) { L = rm(HL); } /* LD L,(HL) */ -OP(op,6f) { L = A; } /* LD L,A */ - -OP(op,70) { wm(HL, B); } /* LD (HL),B */ -OP(op,71) { wm(HL, C); } /* LD (HL),C */ -OP(op,72) { wm(HL, D); } /* LD (HL),D */ -OP(op,73) { wm(HL, E); } /* LD (HL),E */ -OP(op,74) { wm(HL, H); } /* LD (HL),H */ -OP(op,75) { wm(HL, L); } /* LD (HL),L */ -OP(op,76) { halt(); } /* halt */ -OP(op,77) { wm(HL, A); } /* LD (HL),A */ - -OP(op,78) { A = B; } /* LD A,B */ -OP(op,79) { A = C; } /* LD A,C */ -OP(op,7a) { A = D; } /* LD A,D */ -OP(op,7b) { A = E; } /* LD A,E */ -OP(op,7c) { A = H; } /* LD A,H */ -OP(op,7d) { A = L; } /* LD A,L */ -OP(op,7e) { A = rm(HL); } /* LD A,(HL) */ -OP(op,7f) { } /* LD A,A */ - -OP(op,80) { add_a(B); } /* ADD A,B */ -OP(op,81) { add_a(C); } /* ADD A,C */ -OP(op,82) { add_a(D); } /* ADD A,D */ -OP(op,83) { add_a(E); } /* ADD A,E */ -OP(op,84) { add_a(H); } /* ADD A,H */ -OP(op,85) { add_a(L); } /* ADD A,L */ -OP(op,86) { add_a(rm(HL)); } /* ADD A,(HL) */ -OP(op,87) { add_a(A); } /* ADD A,A */ - -OP(op,88) { adc_a(B); } /* ADC A,B */ -OP(op,89) { adc_a(C); } /* ADC A,C */ -OP(op,8a) { adc_a(D); } /* ADC A,D */ -OP(op,8b) { adc_a(E); } /* ADC A,E */ -OP(op,8c) { adc_a(H); } /* ADC A,H */ -OP(op,8d) { adc_a(L); } /* ADC A,L */ -OP(op,8e) { adc_a(rm(HL)); } /* ADC A,(HL) */ -OP(op,8f) { adc_a(A); } /* ADC A,A */ - -OP(op,90) { sub(B); } /* SUB B */ -OP(op,91) { sub(C); } /* SUB C */ -OP(op,92) { sub(D); } /* SUB D */ -OP(op,93) { sub(E); } /* SUB E */ -OP(op,94) { sub(H); } /* SUB H */ -OP(op,95) { sub(L); } /* SUB L */ -OP(op,96) { sub(rm(HL)); } /* SUB (HL) */ -OP(op,97) { sub(A); } /* SUB A */ - -OP(op,98) { sbc_a(B); } /* SBC A,B */ -OP(op,99) { sbc_a(C); } /* SBC A,C */ -OP(op,9a) { sbc_a(D); } /* SBC A,D */ -OP(op,9b) { sbc_a(E); } /* SBC A,E */ -OP(op,9c) { sbc_a(H); } /* SBC A,H */ -OP(op,9d) { sbc_a(L); } /* SBC A,L */ -OP(op,9e) { sbc_a(rm(HL)); } /* SBC A,(HL) */ -OP(op,9f) { sbc_a(A); } /* SBC A,A */ - -OP(op,a0) { and_a(B); } /* AND B */ -OP(op,a1) { and_a(C); } /* AND C */ -OP(op,a2) { and_a(D); } /* AND D */ -OP(op,a3) { and_a(E); } /* AND E */ -OP(op,a4) { and_a(H); } /* AND H */ -OP(op,a5) { and_a(L); } /* AND L */ -OP(op,a6) { and_a(rm(HL)); } /* AND (HL) */ -OP(op,a7) { and_a(A); } /* AND A */ - -OP(op,a8) { xor_a(B); } /* XOR B */ -OP(op,a9) { xor_a(C); } /* XOR C */ -OP(op,aa) { xor_a(D); } /* XOR D */ -OP(op,ab) { xor_a(E); } /* XOR E */ -OP(op,ac) { xor_a(H); } /* XOR H */ -OP(op,ad) { xor_a(L); } /* XOR L */ -OP(op,ae) { xor_a(rm(HL)); } /* XOR (HL) */ -OP(op,af) { xor_a(A); } /* XOR A */ - -OP(op,b0) { or_a(B); } /* OR B */ -OP(op,b1) { or_a(C); } /* OR C */ -OP(op,b2) { or_a(D); } /* OR D */ -OP(op,b3) { or_a(E); } /* OR E */ -OP(op,b4) { or_a(H); } /* OR H */ -OP(op,b5) { or_a(L); } /* OR L */ -OP(op,b6) { or_a(rm(HL)); } /* OR (HL) */ -OP(op,b7) { or_a(A); } /* OR A */ - -OP(op,b8) { cp(B); } /* CP B */ -OP(op,b9) { cp(C); } /* CP C */ -OP(op,ba) { cp(D); } /* CP D */ -OP(op,bb) { cp(E); } /* CP E */ -OP(op,bc) { cp(H); } /* CP H */ -OP(op,bd) { cp(L); } /* CP L */ -OP(op,be) { cp(rm(HL)); } /* CP (HL) */ -OP(op,bf) { cp(A); } /* CP A */ - -OP(op,c0) { ret_cond(!(F & ZF), 0xc0); } /* RET NZ */ -OP(op,c1) { pop(m_bc); } /* POP BC */ -OP(op,c2) { jp_cond(!(F & ZF)); } /* JP NZ,a */ -OP(op,c3) { jp(); } /* JP a */ -OP(op,c4) { call_cond(!(F & ZF), 0xc4); } /* CALL NZ,a */ -OP(op,c5) { push(m_bc); } /* PUSH BC */ -OP(op,c6) { add_a(arg()); } /* ADD A,n */ -OP(op,c7) { rst(0x00); } /* RST 0 */ - -OP(op,c8) { ret_cond(F & ZF, 0xc8); } /* RET Z */ -OP(op,c9) { pop(m_pc); WZ = PCD; } /* RET */ -OP(op,ca) { jp_cond(F & ZF); } /* JP Z,a */ -OP(op,cb) { m_r++; EXEC(cb,rop()); } /* **** CB xx */ -OP(op,cc) { call_cond(F & ZF, 0xcc); } /* CALL Z,a */ -OP(op,cd) { call(); } /* CALL a */ -OP(op,ce) { adc_a(arg()); } /* ADC A,n */ -OP(op,cf) { rst(0x08); } /* RST 1 */ - -OP(op,d0) { ret_cond(!(F & CF), 0xd0); } /* RET NC */ -OP(op,d1) { pop(m_de); } /* POP DE */ -OP(op,d2) { jp_cond(!(F & CF)); } /* JP NC,a */ -OP(op,d3) { unsigned n = arg() | (A << 8); out(n, A); WZ_L = ((n & 0xff) + 1) & 0xff; WZ_H = A; } /* OUT (n),A */ -OP(op,d4) { call_cond(!(F & CF), 0xd4); } /* CALL NC,a */ -OP(op,d5) { push(m_de); } /* PUSH DE */ -OP(op,d6) { sub(arg()); } /* SUB n */ -OP(op,d7) { rst(0x10); } /* RST 2 */ - -OP(op,d8) { ret_cond(F & CF, 0xd8); } /* RET C */ -OP(op,d9) { exx(); } /* EXX */ -OP(op,da) { jp_cond(F & CF); } /* JP C,a */ -OP(op,db) { unsigned n = arg() | (A << 8); A = in(n); WZ = n + 1; } /* IN A,(n) */ -OP(op,dc) { call_cond(F & CF, 0xdc); } /* CALL C,a */ -OP(op,dd) { m_r++; EXEC(dd,rop()); } /* **** DD xx */ -OP(op,de) { sbc_a(arg()); } /* SBC A,n */ -OP(op,df) { rst(0x18); } /* RST 3 */ - -OP(op,e0) { ret_cond(!(F & PF), 0xe0); } /* RET PO */ -OP(op,e1) { pop(m_hl); } /* POP HL */ -OP(op,e2) { jp_cond(!(F & PF)); } /* JP PO,a */ -OP(op,e3) { ex_sp(m_hl); } /* EX HL,(SP) */ -OP(op,e4) { call_cond(!(F & PF), 0xe4); } /* CALL PO,a */ -OP(op,e5) { push(m_hl); } /* PUSH HL */ -OP(op,e6) { and_a(arg()); } /* AND n */ -OP(op,e7) { rst(0x20); } /* RST 4 */ - -OP(op,e8) { ret_cond(F & PF, 0xe8); } /* RET PE */ -OP(op,e9) { PC = HL; } /* JP (HL) */ -OP(op,ea) { jp_cond(F & PF); } /* JP PE,a */ -OP(op,eb) { ex_de_hl(); } /* EX DE,HL */ -OP(op,ec) { call_cond(F & PF, 0xec); } /* CALL PE,a */ -OP(op,ed) { m_r++; EXEC(ed,rop()); } /* **** ED xx */ -OP(op,ee) { xor_a(arg()); } /* XOR n */ -OP(op,ef) { rst(0x28); } /* RST 5 */ - -OP(op,f0) { ret_cond(!(F & SF), 0xf0); } /* RET P */ -OP(op,f1) { pop(m_af); } /* POP AF */ -OP(op,f2) { jp_cond(!(F & SF)); } /* JP P,a */ -OP(op,f3) { m_iff1 = m_iff2 = 0; } /* DI */ -OP(op,f4) { call_cond(!(F & SF), 0xf4); } /* CALL P,a */ -OP(op,f5) { push(m_af); } /* PUSH AF */ -OP(op,f6) { or_a(arg()); } /* OR n */ -OP(op,f7) { rst(0x30); } /* RST 6 */ - -OP(op,f8) { ret_cond(F & SF, 0xf8); } /* RET M */ -OP(op,f9) { SP = HL; } /* LD SP,HL */ -OP(op,fa) { jp_cond(F & SF); } /* JP M,a */ -OP(op,fb) { ei(); } /* EI */ -OP(op,fc) { call_cond(F & SF, 0xfc); } /* CALL M,a */ -OP(op,fd) { m_r++; EXEC(fd,rop()); } /* **** FD xx */ -OP(op,fe) { cp(arg()); } /* CP n */ -OP(op,ff) { rst(0x38); } /* RST 7 */ - - -void z80_device::take_nmi() +void z80_device::illegal_1() { - /* Check if processor was halted */ - leave_halt(); - -#if HAS_LDAIR_QUIRK - /* reset parity flag after LD A,I or LD A,R */ - if (m_after_ldair) F &= ~PF; -#endif - - m_iff1 = 0; - push(m_pc); - PCD = 0x0066; - WZ=PCD; - m_icount -= 11; - m_nmi_pending = false; + LOGMASKED(LOG_UNDOC, "ill. opcode $%02x $%02x ($%04x)\n", + m_opcodes.read_byte((PC - 1) & 0xffff), m_opcodes.read_byte(PC), PC - 1); } -void z80_device::take_interrupt() +void z80_device::illegal_2() { - // check if processor was halted - leave_halt(); - - // clear both interrupt flip flops - m_iff1 = m_iff2 = 0; - - // say hi - m_irqack_cb(true); - - // fetch the IRQ vector - device_z80daisy_interface *intf = daisy_get_irq_device(); - int irq_vector = (intf != nullptr) ? intf->z80daisy_irq_ack() : standard_irq_callback_member(*this, 0); - LOG(("Z80 single int. irq_vector $%02x\n", irq_vector)); - - /* Interrupt mode 2. Call [i:databyte] */ - if( m_im == 2 ) - { - // Zilog's datasheet claims that "the least-significant bit must be a zero." - // However, experiments have confirmed that IM 2 vectors do not have to be - // even, and all 8 bits will be used; even $FF is handled normally. - irq_vector = (irq_vector & 0xff) | (m_i << 8); - push(m_pc); - rm16(irq_vector, m_pc); - LOG(("Z80 IM2 [$%04x] = $%04x\n", irq_vector, PCD)); - /* CALL opcode timing + 'interrupt latency' cycles */ - m_icount -= m_cc_op[0xcd] + m_cc_ex[0xff]; - } - else - /* Interrupt mode 1. RST 38h */ - if( m_im == 1 ) - { - LOG(("Z80 '%s' IM1 $0038\n", tag())); - push(m_pc); - PCD = 0x0038; - /* RST $38 + 'interrupt latency' cycles */ - m_icount -= m_cc_op[0xff] + cc_ex[0xff]; - } - else - { - /* Interrupt mode 0. We check for CALL and JP instructions, */ - /* if neither of these were found we assume a 1 byte opcode */ - /* was placed on the databus */ - LOG(("Z80 IM0 $%04x\n", irq_vector)); - - /* check for nop */ - if (irq_vector != 0x00) - { - switch (irq_vector & 0xff0000) - { - case 0xcd0000: /* call */ - push(m_pc); - PCD = irq_vector & 0xffff; - /* CALL $xxxx cycles */ - m_icount -= m_cc_op[0xcd]; - break; - case 0xc30000: /* jump */ - PCD = irq_vector & 0xffff; - /* JP $xxxx cycles */ - m_icount -= m_cc_op[0xc3]; - break; - default: /* rst (or other opcodes?) */ - push(m_pc); - PCD = irq_vector & 0x0038; - /* RST $xx cycles */ - m_icount -= m_cc_op[0xff]; - break; - } - } - - /* 'interrupt latency' cycles */ - m_icount -= m_cc_ex[0xff]; - } - WZ=PCD; - -#if HAS_LDAIR_QUIRK - /* reset parity flag after LD A,I or LD A,R */ - if (m_after_ldair) F &= ~PF; -#endif + LOGMASKED(LOG_UNDOC, "ill. opcode $ed $%02x\n", + m_opcodes.read_byte((PC - 1) & 0xffff)); } -void nsc800_device::take_interrupt_nsc800() +u8 z80_device::flags_szyxc(u16 value) { - /* Check if processor was halted */ - leave_halt(); - - /* Clear both interrupt flip flops */ - m_iff1 = m_iff2 = 0; - - if (m_nsc800_irq_state[NSC800_RSTA]) - { - push(m_pc); - PCD = 0x003c; - } - else if (m_nsc800_irq_state[NSC800_RSTB]) - { - push(m_pc); - PCD = 0x0034; - } - else if (m_nsc800_irq_state[NSC800_RSTC]) - { - push(m_pc); - PCD = 0x002c; - } - - /* 'interrupt latency' cycles */ - m_icount -= m_cc_op[0xff] + cc_ex[0xff]; - - WZ=PCD; - -#if HAS_LDAIR_QUIRK - /* reset parity flag after LD A,I or LD A,R */ - if (m_after_ldair) F &= ~PF; -#endif + u8 f = value & (SF | YF | XF); // SF + undocumented flag bits 5+3 + f |= u8(value) ? 0 : ZF; + f |= (value >> 8) & CF; + return f; } + /**************************************************************************** * Processor initialization ****************************************************************************/ +void z80_device::device_validity_check(validity_checker &valid) const +{ + cpu_device::device_validity_check(valid); + + if (4 > m_m1_cycles) + osd_printf_error("M1 cycles %u is less than minimum 4\n", m_m1_cycles); + if (3 > m_memrq_cycles) + osd_printf_error("MEMRQ cycles %u is less than minimum 3\n", m_memrq_cycles); + if (4 > m_iorq_cycles) + osd_printf_error("IORQ cycles %u is less than minimum 4\n", m_iorq_cycles); +} + void z80_device::device_start() { - if( !tables_initialised ) + if (!tables_initialised) { - uint8_t *padd = &SZHVC_add[ 0*256]; - uint8_t *padc = &SZHVC_add[256*256]; - uint8_t *psub = &SZHVC_sub[ 0*256]; - uint8_t *psbc = &SZHVC_sub[256*256]; - for (int oldval = 0; oldval < 256; oldval++) - { - for (int newval = 0; newval < 256; newval++) - { - /* add or adc w/o carry set */ - int val = newval - oldval; - *padd = (newval) ? ((newval & 0x80) ? SF : 0) : ZF; - *padd |= (newval & (YF | XF)); /* undocumented flag bits 5+3 */ - if( (newval & 0x0f) < (oldval & 0x0f) ) *padd |= HF; - if( newval < oldval ) *padd |= CF; - if( (val^oldval^0x80) & (val^newval) & 0x80 ) *padd |= VF; - padd++; - - /* adc with carry set */ - val = newval - oldval - 1; - *padc = (newval) ? ((newval & 0x80) ? SF : 0) : ZF; - *padc |= (newval & (YF | XF)); /* undocumented flag bits 5+3 */ - if( (newval & 0x0f) <= (oldval & 0x0f) ) *padc |= HF; - if( newval <= oldval ) *padc |= CF; - if( (val^oldval^0x80) & (val^newval) & 0x80 ) *padc |= VF; - padc++; - - /* cp, sub or sbc w/o carry set */ - val = oldval - newval; - *psub = NF | ((newval) ? ((newval & 0x80) ? SF : 0) : ZF); - *psub |= (newval & (YF | XF)); /* undocumented flag bits 5+3 */ - if( (newval & 0x0f) > (oldval & 0x0f) ) *psub |= HF; - if( newval > oldval ) *psub |= CF; - if( (val^oldval) & (oldval^newval) & 0x80 ) *psub |= VF; - psub++; - - /* sbc with carry set */ - val = oldval - newval - 1; - *psbc = NF | ((newval) ? ((newval & 0x80) ? SF : 0) : ZF); - *psbc |= (newval & (YF | XF)); /* undocumented flag bits 5+3 */ - if( (newval & 0x0f) >= (oldval & 0x0f) ) *psbc |= HF; - if( newval >= oldval ) *psbc |= CF; - if( (val^oldval) & (oldval^newval) & 0x80 ) *psbc |= VF; - psbc++; - } - } - for (int i = 0; i < 256; i++) { int p = 0; - if( i&0x01 ) ++p; - if( i&0x02 ) ++p; - if( i&0x04 ) ++p; - if( i&0x08 ) ++p; - if( i&0x10 ) ++p; - if( i&0x20 ) ++p; - if( i&0x40 ) ++p; - if( i&0x80 ) ++p; + for (int b = 0; b < 8; b++) + p += BIT(i, b); SZ[i] = i ? i & SF : ZF; - SZ[i] |= (i & (YF | XF)); /* undocumented flag bits 5+3 */ + SZ[i] |= (i & (YF | XF)); // undocumented flag bits 5+3 SZ_BIT[i] = i ? i & SF : ZF | PF; - SZ_BIT[i] |= (i & (YF | XF)); /* undocumented flag bits 5+3 */ + SZ_BIT[i] |= (i & (YF | XF)); // undocumented flag bits 5+3 SZP[i] = SZ[i] | ((p & 1) ? 0 : PF); SZHV_inc[i] = SZ[i]; - if( i == 0x80 ) SZHV_inc[i] |= VF; - if( (i & 0x0f) == 0x00 ) SZHV_inc[i] |= HF; + if (i == 0x80) SZHV_inc[i] |= VF; + if ((i & 0x0f) == 0x00) SZHV_inc[i] |= HF; SZHV_dec[i] = SZ[i] | NF; - if( i == 0x7f ) SZHV_dec[i] |= VF; - if( (i & 0x0f) == 0x0f ) SZHV_dec[i] |= HF; + if (i == 0x7f) SZHV_dec[i] |= VF; + if ((i & 0x0f) == 0x0f) SZHV_dec[i] |= HF; } tables_initialised = true; } - save_item(NAME(m_prvpc.w.l)); + save_item(NAME(PRVPC)); save_item(NAME(PC)); save_item(NAME(SP)); save_item(NAME(AF)); @@ -3356,70 +550,77 @@ void z80_device::device_start() save_item(NAME(IX)); save_item(NAME(IY)); save_item(NAME(WZ)); - save_item(NAME(m_af2.w.l)); - save_item(NAME(m_bc2.w.l)); - save_item(NAME(m_de2.w.l)); - save_item(NAME(m_hl2.w.l)); - save_item(NAME(m_r)); - save_item(NAME(m_r2)); + save_item(NAME(m_af2.w)); + save_item(NAME(m_bc2.w)); + save_item(NAME(m_de2.w)); + save_item(NAME(m_hl2.w)); + save_item(NAME(QT)); + save_item(NAME(Q)); + save_item(NAME(R)); + save_item(NAME(R2)); save_item(NAME(m_iff1)); save_item(NAME(m_iff2)); save_item(NAME(m_halt)); save_item(NAME(m_im)); save_item(NAME(m_i)); save_item(NAME(m_nmi_state)); - save_item(NAME(m_nmi_pending)); save_item(NAME(m_irq_state)); save_item(NAME(m_wait_state)); save_item(NAME(m_busrq_state)); - save_item(NAME(m_after_ei)); - save_item(NAME(m_after_ldair)); - - /* Reset registers to their initial values */ + save_item(NAME(m_busack_state)); + save_item(NAME(m_ea)); + save_item(NAME(m_service_attention)); + save_item(NAME(m_tmp_irq_vector)); + save_item(NAME(m_shared_data.w)); + save_item(NAME(m_shared_data2.w)); + save_item(NAME(m_rtemp)); + save_item(NAME(m_ref)); + + // Reset registers to their initial values PRVPC = 0; - PCD = 0; - SPD = 0; - AFD = 0; - BCD = 0; - DED = 0; - HLD = 0; - IXD = 0; - IYD = 0; + PC = 0; + SP = 0; + AF = 0; + BC = 0; + DE = 0; + HL = 0; + IX = 0; + IY = 0; WZ = 0; - m_af2.d = 0; - m_bc2.d = 0; - m_de2.d = 0; - m_hl2.d = 0; - m_r = 0; - m_r2 = 0; + m_af2.w = 0; + m_bc2.w = 0; + m_de2.w = 0; + m_hl2.w = 0; + QT = 0; + Q = 0; + R = 0; + R2 = 0; m_iff1 = 0; m_iff2 = 0; m_halt = 0; m_im = 0; m_i = 0; m_nmi_state = 0; - m_nmi_pending = 0; m_irq_state = 0; m_wait_state = 0; m_busrq_state = 0; - m_after_ei = 0; - m_after_ldair = 0; + m_busack_state = 0; m_ea = 0; + m_service_attention = 0; + m_rtemp = 0; - m_program = &space(AS_PROGRAM); - m_opcodes = has_space(AS_OPCODES) ? &space(AS_OPCODES) : m_program; - m_cache = m_program->cache<0, 0, ENDIANNESS_LITTLE>(); - m_opcodes_cache = m_opcodes->cache<0, 0, ENDIANNESS_LITTLE>(); - m_io = &space(AS_IO); + space(AS_PROGRAM).cache(m_args); + space(has_space(AS_OPCODES) ? AS_OPCODES : AS_PROGRAM).cache(m_opcodes); + space(AS_PROGRAM).specific(m_data); + space(AS_IO).specific(m_io); - IX = IY = 0xffff; /* IX and IY are FFFF after a reset! */ - F = ZF; /* Zero flag is set */ + IX = IY = 0xffff; // IX and IY are FFFF after a reset! + set_f(ZF); // Zero flag is set - /* set up the state table */ - state_add(STATE_GENPC, "PC", m_pc.w.l).callimport(); - state_add(STATE_GENPCBASE, "CURPC", m_prvpc.w.l).callimport().noshow(); + // set up the state table + state_add(STATE_GENPC, "PC", m_pc.w).callimport(); + state_add(STATE_GENPCBASE, "CURPC", m_prvpc.w).callimport().noshow(); state_add(Z80_SP, "SP", SP); - state_add(STATE_GENSP, "GENSP", SP).noshow(); state_add(STATE_GENFLAGS, "GENFLAGS", F).noshow().formatstr("%8s"); state_add(Z80_A, "A", A).noshow(); state_add(Z80_B, "B", B).noshow(); @@ -3434,10 +635,10 @@ void z80_device::device_start() state_add(Z80_HL, "HL", HL); state_add(Z80_IX, "IX", IX); state_add(Z80_IY, "IY", IY); - state_add(Z80_AF2, "AF2", m_af2.w.l); - state_add(Z80_BC2, "BC2", m_bc2.w.l); - state_add(Z80_DE2, "DE2", m_de2.w.l); - state_add(Z80_HL2, "HL2", m_hl2.w.l); + state_add(Z80_AF2, "AF2", m_af2.w); + state_add(Z80_BC2, "BC2", m_bc2.w); + state_add(Z80_DE2, "DE2", m_de2.w); + state_add(Z80_HL2, "HL2", m_hl2.w); state_add(Z80_WZ, "WZ", WZ); state_add(Z80_R, "R", m_rtemp).callimport().callexport(); state_add(Z80_I, "I", m_i); @@ -3448,24 +649,6 @@ void z80_device::device_start() // set our instruction counter set_icountptr(m_icount); - - /* setup cycle tables */ - m_cc_op = cc_op; - m_cc_cb = cc_cb; - m_cc_ed = cc_ed; - m_cc_xy = cc_xy; - m_cc_xycb = cc_xycb; - m_cc_ex = cc_ex; - - m_irqack_cb.resolve_safe(); - m_refresh_cb.resolve_safe(); - m_halt_cb.resolve_safe(); -} - -void nsc800_device::device_start() -{ - z80_device::device_start(); - save_item(NAME(m_nsc800_irq_state)); } /**************************************************************************** @@ -3475,23 +658,15 @@ void z80_device::device_reset() { leave_halt(); + m_ref = 0xffff00; PC = 0x0000; + WZ = PC; m_i = 0; m_r = 0; m_r2 = 0; - m_nmi_pending = false; - m_after_ei = false; - m_after_ldair = false; m_iff1 = 0; m_iff2 = 0; - - WZ=PCD; -} - -void nsc800_device::device_reset() -{ - z80_device::device_reset(); - memset(m_nsc800_irq_state, 0, sizeof(m_nsc800_irq_state)); + m_service_attention = 0; } /**************************************************************************** @@ -3499,58 +674,7 @@ void nsc800_device::device_reset() ****************************************************************************/ void z80_device::execute_run() { - do - { - if (m_wait_state) - { - // stalled - m_icount = 0; - return; - } - - // check for interrupts before each instruction - if (m_nmi_pending) - take_nmi(); - else if (m_irq_state != CLEAR_LINE && m_iff1 && !m_after_ei) - take_interrupt(); - - m_after_ei = false; - m_after_ldair = false; - - PRVPC = PCD; - debugger_instruction_hook(PCD); - m_r++; - EXEC(op,rop()); - } while (m_icount > 0); -} - -void nsc800_device::execute_run() -{ - do - { - if (m_wait_state) - { - // stalled - m_icount = 0; - return; - } - - // check for interrupts before each instruction - if (m_nmi_pending) - take_nmi(); - else if ((m_nsc800_irq_state[NSC800_RSTA] != CLEAR_LINE || m_nsc800_irq_state[NSC800_RSTB] != CLEAR_LINE || m_nsc800_irq_state[NSC800_RSTC] != CLEAR_LINE) && m_iff1 && !m_after_ei) - take_interrupt_nsc800(); - else if (m_irq_state != CLEAR_LINE && m_iff1 && !m_after_ei) - take_interrupt(); - - m_after_ei = false; - m_after_ldair = false; - - PRVPC = PCD; - debugger_instruction_hook(PCD); - m_r++; - EXEC(op,rop()); - } while (m_icount > 0); + #include "cpu/z80/z80.hxx" } void z80_device::execute_set_input(int inputnum, int state) @@ -3559,22 +683,32 @@ void z80_device::execute_set_input(int inputnum, int state) { case Z80_INPUT_LINE_BUSRQ: m_busrq_state = state; + if (state != CLEAR_LINE) + set_service_attention<SA_BUSRQ, 1>(); + else + set_service_attention<SA_BUSRQ, 0>(); break; case INPUT_LINE_NMI: - /* mark an NMI pending on the rising edge */ + // mark an NMI pending on the rising edge if (m_nmi_state == CLEAR_LINE && state != CLEAR_LINE) - m_nmi_pending = true; + { + set_service_attention<SA_NMI_PENDING, 1>(); + } m_nmi_state = state; break; case INPUT_LINE_IRQ0: - /* update the IRQ state via the daisy chain */ + // update the IRQ state via the daisy chain m_irq_state = state; if (daisy_chain_present()) - m_irq_state = (daisy_update_irq_state() == ASSERT_LINE ) ? ASSERT_LINE : m_irq_state; + m_irq_state = (daisy_update_irq_state() == ASSERT_LINE) ? ASSERT_LINE : m_irq_state; + if (state != CLEAR_LINE) + set_service_attention<SA_IRQ_ON, 1>(); + else + set_service_attention<SA_IRQ_ON, 0>(); - /* the main execute loop will take the interrupt */ + // the main execute loop will take the interrupt break; case Z80_INPUT_LINE_WAIT: @@ -3586,67 +720,44 @@ void z80_device::execute_set_input(int inputnum, int state) } } -void nsc800_device::execute_set_input(int inputnum, int state) -{ - switch (inputnum) - { - case NSC800_RSTA: - m_nsc800_irq_state[NSC800_RSTA] = state; - break; - - case NSC800_RSTB: - m_nsc800_irq_state[NSC800_RSTB] = state; - break; - - case NSC800_RSTC: - m_nsc800_irq_state[NSC800_RSTC] = state; - break; - - default: - z80_device::execute_set_input(inputnum, state); - break; - } -} - - - /************************************************************************** * STATE IMPORT/EXPORT **************************************************************************/ - -void z80_device::state_import( const device_state_entry &entry ) +void z80_device::state_import(const device_state_entry &entry) { switch (entry.index()) { - case STATE_GENPC: - m_prvpc = m_pc; - break; - - case STATE_GENPCBASE: - m_pc = m_prvpc; - break; + case STATE_GENPCBASE: + m_pc = m_prvpc; + [[fallthrough]]; + case STATE_GENPC: + m_prvpc = m_pc; + m_ref = 0xffff00; + set_service_attention<SA_AFTER_EI, 0>(); + if (HAS_LDAIR_QUIRK) + set_service_attention<SA_AFTER_LDAIR, 0>(); + break; - case Z80_R: - m_r = m_rtemp & 0x7f; - m_r2 = m_rtemp & 0x80; - break; + case Z80_R: + m_r = m_rtemp & 0x7f; + m_r2 = m_rtemp & 0x80; + break; - default: - fatalerror("CPU_IMPORT_STATE() called for unexpected value\n"); + default: + fatalerror("CPU_IMPORT_STATE() called for unexpected value\n"); } } - -void z80_device::state_export( const device_state_entry &entry ) +void z80_device::state_export(const device_state_entry &entry) { switch (entry.index()) { - case Z80_R: - m_rtemp = (m_r & 0x7f) | (m_r2 & 0x80); - break; + case Z80_R: + m_rtemp = (m_r & 0x7f) | (m_r2 & 0x80); + break; - default: - fatalerror("CPU_EXPORT_STATE() called for unexpected value\n"); + default: + fatalerror("CPU_EXPORT_STATE() called for unexpected value\n"); } } @@ -3668,38 +779,20 @@ void z80_device::state_string_export(const device_state_entry &entry, std::strin } } -//------------------------------------------------- -// disassemble - call the disassembly -// helper function -//------------------------------------------------- - -std::unique_ptr<util::disasm_interface> z80_device::create_disassembler() -{ - return std::make_unique<z80_disassembler>(); -} - - /************************************************************************** - * Generic set_info + * disassemble - call the disassembly helper function **************************************************************************/ - -void z80_device::z80_set_cycle_tables(const uint8_t *op, const uint8_t *cb, const uint8_t *ed, const uint8_t *xy, const uint8_t *xycb, const uint8_t *ex) +std::unique_ptr<util::disasm_interface> z80_device::create_disassembler() { - m_cc_op = (op != nullptr) ? op : cc_op; - m_cc_cb = (cb != nullptr) ? cb : cc_cb; - m_cc_ed = (ed != nullptr) ? ed : cc_ed; - m_cc_xy = (xy != nullptr) ? xy : cc_xy; - m_cc_xycb = (xycb != nullptr) ? xycb : cc_xycb; - m_cc_ex = (ex != nullptr) ? ex : cc_ex; + return std::make_unique<z80_disassembler>(); } - -z80_device::z80_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : - z80_device(mconfig, Z80, tag, owner, clock) +z80_device::z80_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) + : z80_device(mconfig, Z80, tag, owner, clock) { } -z80_device::z80_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) : +z80_device::z80_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock) : cpu_device(mconfig, type, tag, owner, clock), z80_daisy_chain_interface(mconfig, *this), m_program_config("program", ENDIANNESS_LITTLE, 8, 16, 0), @@ -3707,30 +800,30 @@ z80_device::z80_device(const machine_config &mconfig, device_type type, const ch m_io_config("io", ENDIANNESS_LITTLE, 8, 16, 0), m_irqack_cb(*this), m_refresh_cb(*this), - m_halt_cb(*this) + m_nomreq_cb(*this), + m_halt_cb(*this), + m_busack_cb(*this), + m_m1_cycles(4), + m_memrq_cycles(3), + m_iorq_cycles(4) { } device_memory_interface::space_config_vector z80_device::memory_space_config() const { - if(has_configured_map(AS_OPCODES)) + if (has_configured_map(AS_OPCODES)) + { return space_config_vector { - std::make_pair(AS_PROGRAM, &m_program_config), - std::make_pair(AS_OPCODES, &m_opcodes_config), - std::make_pair(AS_IO, &m_io_config) - }; + std::make_pair(AS_PROGRAM, &m_program_config), + std::make_pair(AS_OPCODES, &m_opcodes_config), + std::make_pair(AS_IO, &m_io_config) }; + } else + { return space_config_vector { - std::make_pair(AS_PROGRAM, &m_program_config), - std::make_pair(AS_IO, &m_io_config) - }; + std::make_pair(AS_PROGRAM, &m_program_config), + std::make_pair(AS_IO, &m_io_config) }; + } } DEFINE_DEVICE_TYPE(Z80, z80_device, "z80", "Zilog Z80") - -nsc800_device::nsc800_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : z80_device(mconfig, NSC800, tag, owner, clock) -{ -} - -DEFINE_DEVICE_TYPE(NSC800, nsc800_device, "nsc800", "National Semiconductor NSC800") |