diff options
Diffstat (limited to 'trunk/src/emu/cpu/konami/konami.c')
-rw-r--r-- | trunk/src/emu/cpu/konami/konami.c | 632 |
1 files changed, 632 insertions, 0 deletions
diff --git a/trunk/src/emu/cpu/konami/konami.c b/trunk/src/emu/cpu/konami/konami.c new file mode 100644 index 00000000000..3fe57dd150d --- /dev/null +++ b/trunk/src/emu/cpu/konami/konami.c @@ -0,0 +1,632 @@ +/*** konami: Portable Konami cpu emulator ****************************************** + + Copyright Nicola Salmoria and the MAME Team + + Based on M6809 cpu core copyright John Butler + + References: + + 6809 Simulator V09, By L.C. Benschop, Eidnhoven The Netherlands. + + m6809: Portable 6809 emulator, DS (6809 code in MAME, derived from + the 6809 Simulator V09) + + 6809 Microcomputer Programming & Interfacing with Experiments" + by Andrew C. Staugaard, Jr.; Howard W. Sams & Co., Inc. + + System dependencies: UINT16 must be 16 bit unsigned int + UINT8 must be 8 bit unsigned int + UINT32 must be more than 16 bits + arrays up to 65536 bytes must be supported + machine must be twos complement + + History: +991022 HJB: + Tried to improve speed: Using bit7 of cycles1 as flag for multi + byte opcodes is gone, those opcodes now instead go through opcode2(). + Inlined fetch_effective_address() into that function as well. + Got rid of the slow/fast flags for stack (S and U) memory accesses. + Minor changes to use 32 bit values as arguments to memory functions + and added defines for that purpose (e.g. X = 16bit XD = 32bit). + +990720 EHC: + Created this file + +*****************************************************************************/ + +#include "emu.h" +#include "debugger.h" +#include "konami.h" + +#define VERBOSE 0 + +#define LOG(x) do { if (VERBOSE) logerror x; } while (0) + +/* Konami Registers */ +typedef struct _konami_state konami_state; +struct _konami_state +{ + PAIR pc; /* Program counter */ + PAIR ppc; /* Previous program counter */ + PAIR d; /* Accumulator a and b */ + PAIR dp; /* Direct Page register (page in MSB) */ + PAIR u, s; /* Stack pointers */ + PAIR x, y; /* Index registers */ + PAIR ea; + UINT8 cc; + UINT8 ireg; + UINT8 irq_state[2]; + device_irq_callback irq_callback; + UINT8 int_state; /* SYNC and CWAI flags */ + UINT8 nmi_state; + UINT8 nmi_pending; + int icount; + legacy_cpu_device *device; + address_space *program; + direct_read_data *direct; + konami_set_lines_func setlines_callback; +}; + +INLINE konami_state *get_safe_token(device_t *device) +{ + assert(device != NULL); + assert(device->type() == KONAMI); + return (konami_state *)downcast<legacy_cpu_device *>(device)->token(); +} + +/* flag bits in the cc register */ +#define CC_C 0x01 /* Carry */ +#define CC_V 0x02 /* Overflow */ +#define CC_Z 0x04 /* Zero */ +#define CC_N 0x08 /* Negative */ +#define CC_II 0x10 /* Inhibit IRQ */ +#define CC_H 0x20 /* Half (auxiliary) carry */ +#define CC_IF 0x40 /* Inhibit FIRQ */ +#define CC_E 0x80 /* entire state pushed */ + +/* Konami registers */ +#define pPPC cpustate->ppc +#define pPC cpustate->pc +#define pU cpustate->u +#define pS cpustate->s +#define pX cpustate->x +#define pY cpustate->y +#define pD cpustate->d + +#define PPC cpustate->ppc.w.l +#define PC cpustate->pc.w.l +#define PCD cpustate->pc.d +#define U cpustate->u.w.l +#define UD cpustate->u.d +#define S cpustate->s.w.l +#define SD cpustate->s.d +#define X cpustate->x.w.l +#define XD cpustate->x.d +#define Y cpustate->y.w.l +#define YD cpustate->y.d +#define D cpustate->d.w.l +#define A cpustate->d.b.h +#define B cpustate->d.b.l +#define DP cpustate->dp.b.h +#define DPD cpustate->dp.d +#define CC cpustate->cc + +#define EAB cpustate->ea.b.l +#define EA cpustate->ea.w.l +#define EAD cpustate->ea.d + +#define KONAMI_CWAI 8 /* set when CWAI is waiting for an interrupt */ +#define KONAMI_SYNC 16 /* set when SYNC is waiting for an interrupt */ +#define KONAMI_LDS 32 /* set when LDS occurred at least once */ + +#define RM(cs,Addr) (cs)->program->read_byte(Addr) +#define WM(cs,Addr,Value) (cs)->program->write_byte(Addr,Value) +#define ROP(cs,Addr) (cs)->direct->read_decrypted_byte(Addr) +#define ROP_ARG(cs,Addr) (cs)->direct->read_raw_byte(Addr) + +#define SIGNED(a) (UINT16)(INT16)(INT8)(a) + +/* macros to access memory */ +#define IMMBYTE(cs,b) { b = ROP_ARG(cs,PCD); PC++; } +#define IMMWORD(cs,w) { w.d = (ROP_ARG(cs,PCD)<<8) | ROP_ARG(cs,PCD+1); PC += 2; } + +#define PUSHBYTE(cs,b) --S; WM(cs,SD,b) +#define PUSHWORD(cs,w) --S; WM(cs,SD,w.b.l); --S; WM(cs,SD,w.b.h) +#define PULLBYTE(cs,b) b=RM(cs,SD); S++ +#define PULLWORD(cs,w) w=RM(cs,SD)<<8; S++; w|=RM(cs,SD); S++ + +#define PSHUBYTE(cs,b) --U; WM(cs,UD,b); +#define PSHUWORD(cs,w) --U; WM(cs,UD,w.b.l); --U; WM(cs,UD,w.b.h) +#define PULUBYTE(cs,b) b=RM(cs,UD); U++ +#define PULUWORD(cs,w) w=RM(cs,UD)<<8; U++; w|=RM(cs,UD); U++ + +#define CLR_HNZVC CC&=~(CC_H|CC_N|CC_Z|CC_V|CC_C) +#define CLR_NZV CC&=~(CC_N|CC_Z|CC_V) +#define CLR_NZ CC&=~(CC_N|CC_Z) +#define CLR_HNZC CC&=~(CC_H|CC_N|CC_Z|CC_C) +#define CLR_NZVC CC&=~(CC_N|CC_Z|CC_V|CC_C) +#define CLR_Z CC&=~(CC_Z) +#define CLR_NZC CC&=~(CC_N|CC_Z|CC_C) +#define CLR_ZC CC&=~(CC_Z|CC_C) + +/* macros for CC -- CC bits affected should be reset before calling */ +#define SET_Z(a) if(!a)SEZ +#define SET_Z8(a) SET_Z((UINT8)a) +#define SET_Z16(a) SET_Z((UINT16)a) +#define SET_N8(a) CC|=((a&0x80)>>4) +#define SET_N16(a) CC|=((a&0x8000)>>12) +#define SET_H(a,b,r) CC|=(((a^b^r)&0x10)<<1) +#define SET_C8(a) CC|=((a&0x100)>>8) +#define SET_C16(a) CC|=((a&0x10000)>>16) +#define SET_V8(a,b,r) CC|=(((a^b^r^(r>>1))&0x80)>>6) +#define SET_V16(a,b,r) CC|=(((a^b^r^(r>>1))&0x8000)>>14) + +static const UINT8 flags8i[256]= /* increment */ +{ +CC_Z,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +CC_N|CC_V,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N +}; +static const UINT8 flags8d[256]= /* decrement */ +{ +CC_Z,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,CC_V, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N, +CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N,CC_N +}; +#define SET_FLAGS8I(a) {CC|=flags8i[(a)&0xff];} +#define SET_FLAGS8D(a) {CC|=flags8d[(a)&0xff];} + +/* combos */ +#define SET_NZ8(a) {SET_N8(a);SET_Z(a);} +#define SET_NZ16(a) {SET_N16(a);SET_Z(a);} +#define SET_FLAGS8(a,b,r) {SET_N8(r);SET_Z8(r);SET_V8(a,b,r);SET_C8(r);} +#define SET_FLAGS16(a,b,r) {SET_N16(r);SET_Z16(r);SET_V16(a,b,r);SET_C16(r);} + +/* macros for addressing modes (postbytes have their own code) */ +#define DIRECT(cs) EAD = DPD; IMMBYTE(cs,EAB) +#define IMM8(cs) EAD = PCD; PC++ +#define IMM16(cs) EAD = PCD; PC+=2 +#define EXTENDED(cs) IMMWORD(cs,(cs)->ea) + +/* macros to set status flags */ +#if defined(SEC) +#undef SEC +#endif +#define SEC CC|=CC_C +#define CLC CC&=~CC_C +#define SEZ CC|=CC_Z +#define CLZ CC&=~CC_Z +#define SEN CC|=CC_N +#define CLN CC&=~CC_N +#define SEV CC|=CC_V +#define CLV CC&=~CC_V +#define SEH CC|=CC_H +#define CLH CC&=~CC_H + +/* macros for convenience */ +#define DIRBYTE(cs,b) DIRECT(cs); b=RM(cs,EAD) +#define DIRWORD(cs,w) DIRECT(cs); w.d=RM16(cs,EAD) +#define EXTBYTE(cs,b) EXTENDED(cs); b=RM(cs,EAD) +#define EXTWORD(cs,w) EXTENDED(cs); w.d=RM16(cs,EAD) + +/* macros for branch instructions */ +#define BRANCH(cs,f) { \ + UINT8 t; \ + IMMBYTE(cs,t); \ + if( f ) \ + { \ + PC += SIGNED(t); \ + } \ +} + +#define LBRANCH(cs,f) { \ + PAIR t; \ + IMMWORD(cs,t); \ + if( f ) \ + { \ + cpustate->icount -= 1; \ + PC += t.w.l; \ + } \ +} + +#define NXORV ((CC&CC_N)^((CC&CC_V)<<2)) + +/* macros for setting/getting registers in TFR/EXG instructions */ +#define GETREG(val,reg) \ + switch(reg) { \ + case 0: val = A; break; \ + case 1: val = B; break; \ + case 2: val = X; break; \ + case 3: val = Y; break; \ + case 4: val = S; break; /* ? */ \ + case 5: val = U; break; \ + default: val = 0xff; logerror("Unknown TFR/EXG idx at PC:%04x\n", PC ); break; \ + } + +#define SETREG(val,reg) \ + switch(reg) { \ + case 0: A = val; break; \ + case 1: B = val; break; \ + case 2: X = val; break; \ + case 3: Y = val; break; \ + case 4: S = val; break; /* ? */ \ + case 5: U = val; break; \ + default: logerror("Unknown TFR/EXG idx at PC:%04x\n", PC ); break; \ + } + +/* opcode timings */ +static const UINT8 cycles1[] = +{ + /* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ + /*0*/ 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 4, 4, 5, 5, 5, 5, + /*1*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + /*2*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + /*3*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 7, 6, + /*4*/ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 3, 3, 4, 4, + /*5*/ 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, + /*6*/ 3, 3, 3, 3, 3, 3, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, + /*7*/ 3, 3, 3, 3, 3, 3, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, + /*8*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, + /*9*/ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, + /*A*/ 2, 2, 2, 4, 4, 4, 4, 4, 2, 2, 2, 2, 3, 3, 2, 1, + /*B*/ 3, 2, 2,11,22,11, 2, 4, 3, 3, 3, 3, 3, 3, 3, 3, + /*C*/ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 3, 2, + /*D*/ 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /*E*/ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + /*F*/ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 +}; + +INLINE UINT32 RM16( konami_state *cpustate, UINT32 Addr ) +{ + UINT32 result = RM(cpustate, Addr) << 8; + return result | RM(cpustate, (Addr+1)&0xffff); +} + +INLINE void WM16( konami_state *cpustate, UINT32 Addr, PAIR *p ) +{ + WM(cpustate, Addr, p->b.h ); + WM(cpustate, (Addr+1)&0xffff, p->b.l ); +} + + +static void check_irq_lines(konami_state *cpustate) +{ + if (cpustate->nmi_pending && (cpustate->int_state & KONAMI_LDS)) + { + cpustate->nmi_pending = FALSE; + + /* state already saved by CWAI? */ + if (cpustate->int_state & KONAMI_CWAI) + { + cpustate->int_state &= ~KONAMI_CWAI; + cpustate->icount -= 7; + } + else + { + CC |= CC_E; /* save entire state */ + PUSHWORD(cpustate, pPC); + PUSHWORD(cpustate, pU); + PUSHWORD(cpustate, pY); + PUSHWORD(cpustate, pX); + PUSHBYTE(cpustate, DP); + PUSHBYTE(cpustate, B); + PUSHBYTE(cpustate, A); + PUSHBYTE(cpustate, CC); + cpustate->icount -= 19; + } + CC |= CC_IF | CC_II; /* inhibit FIRQ and IRQ */ + PCD = RM16(cpustate, 0xfffc); + (void)(*cpustate->irq_callback)(cpustate->device, INPUT_LINE_NMI); + } + + else if (cpustate->irq_state[KONAMI_FIRQ_LINE] !=CLEAR_LINE && !(CC & CC_IF)) + { + /* fast IRQ */ + /* state already saved by CWAI? */ + if (cpustate->int_state & KONAMI_CWAI) + { + cpustate->int_state &= ~KONAMI_CWAI; /* clear CWAI */ + cpustate->icount -= 7; + } + else + { + CC &= ~CC_E; /* save 'short' state */ + PUSHWORD(cpustate, pPC); + PUSHBYTE(cpustate, CC); + cpustate->icount -= 10; + } + CC |= CC_IF | CC_II; /* inhibit FIRQ and IRQ */ + PCD = RM16(cpustate, 0xfff6); + (void)(*cpustate->irq_callback)(cpustate->device, KONAMI_FIRQ_LINE); + } + + else if (cpustate->irq_state[KONAMI_IRQ_LINE] != CLEAR_LINE && !(CC & CC_II)) + { + /* standard IRQ */ + /* state already saved by CWAI? */ + if (cpustate->int_state & KONAMI_CWAI) + { + cpustate->int_state &= ~KONAMI_CWAI; /* clear CWAI flag */ + cpustate->icount -= 7; + } + else + { + CC |= CC_E; /* save entire state */ + PUSHWORD(cpustate, pPC); + PUSHWORD(cpustate, pU); + PUSHWORD(cpustate, pY); + PUSHWORD(cpustate, pX); + PUSHBYTE(cpustate, DP); + PUSHBYTE(cpustate, B); + PUSHBYTE(cpustate, A); + PUSHBYTE(cpustate, CC); + cpustate->icount -= 19; + } + CC |= CC_II; /* inhibit IRQ */ + PCD = RM16(cpustate, 0xfff8); + (void)(*cpustate->irq_callback)(cpustate->device, KONAMI_IRQ_LINE); + } +} + + +/****************************************************************************/ +/* Reset registers to their initial values */ +/****************************************************************************/ +static CPU_INIT( konami ) +{ + konami_state *cpustate = get_safe_token(device); + + cpustate->irq_callback = irqcallback; + cpustate->device = device; + cpustate->program = device->space(AS_PROGRAM); + cpustate->direct = &cpustate->program->direct(); + + device->save_item(NAME(PC)); + device->save_item(NAME(U)); + device->save_item(NAME(S)); + device->save_item(NAME(X)); + device->save_item(NAME(Y)); + device->save_item(NAME(D)); + device->save_item(NAME(DP)); + device->save_item(NAME(CC)); + device->save_item(NAME(cpustate->int_state)); + device->save_item(NAME(cpustate->nmi_state)); + device->save_item(NAME(cpustate->nmi_pending)); + device->save_item(NAME(cpustate->irq_state[0])); + device->save_item(NAME(cpustate->irq_state[1])); +} + +static CPU_RESET( konami ) +{ + konami_state *cpustate = get_safe_token(device); + + cpustate->int_state = 0; + cpustate->nmi_state = CLEAR_LINE; + cpustate->nmi_pending = FALSE; + cpustate->irq_state[0] = CLEAR_LINE; + cpustate->irq_state[1] = CLEAR_LINE; + + DPD = 0; /* Reset direct page register */ + + CC |= CC_II; /* IRQ disabled */ + CC |= CC_IF; /* FIRQ disabled */ + + PCD = RM16(cpustate, 0xfffe); +} + +static CPU_EXIT( konami ) +{ +} + +/* Generate interrupts */ +/**************************************************************************** + * Set IRQ line state + ****************************************************************************/ +static void set_irq_line(konami_state *cpustate, int irqline, int state) +{ + if (state != CLEAR_LINE) + cpustate->int_state &= ~KONAMI_SYNC; + + if (irqline == INPUT_LINE_NMI) + { + if (cpustate->nmi_state == CLEAR_LINE && state != CLEAR_LINE) + cpustate->nmi_pending = TRUE; + cpustate->nmi_state = state; + } + else if (irqline < ARRAY_LENGTH(cpustate->irq_state)) + cpustate->irq_state[irqline] = state; +} + +/* includes the static function prototypes and the master opcode table */ +#include "konamtbl.c" + +/* includes the actual opcode implementations */ +#include "konamops.c" + +/* execute instructions on this CPU until icount expires */ +static CPU_EXECUTE( konami ) +{ + konami_state *cpustate = get_safe_token(device); + + check_irq_lines(cpustate); + + if( cpustate->int_state & (KONAMI_CWAI | KONAMI_SYNC) ) + { + cpustate->icount = 0; + } + else + { + do + { + UINT8 ireg; + + pPPC = pPC; + + debugger_instruction_hook(device, PCD); + + cpustate->ireg = ireg = ROP(cpustate, PCD); + PC++; + + (*konami_main[ireg])(cpustate); + + cpustate->icount -= cycles1[ireg]; + + } while( cpustate->icount > 0 ); + } +} + + +void konami_configure_set_lines(device_t *device, konami_set_lines_func func) +{ + konami_state *cpustate = get_safe_token(device); + cpustate->setlines_callback = func; +} + + +/************************************************************************** + * Generic set_info + **************************************************************************/ + +static CPU_SET_INFO( konami ) +{ + konami_state *cpustate = get_safe_token(device); + switch (state) + { + /* --- the following bits of info are set as 64-bit signed integers --- */ + case CPUINFO_INT_INPUT_STATE + KONAMI_IRQ_LINE: set_irq_line(cpustate, KONAMI_IRQ_LINE, info->i); break; + case CPUINFO_INT_INPUT_STATE + KONAMI_FIRQ_LINE:set_irq_line(cpustate, KONAMI_FIRQ_LINE, info->i); break; + case CPUINFO_INT_INPUT_STATE + INPUT_LINE_NMI: set_irq_line(cpustate, INPUT_LINE_NMI, info->i); break; + + case CPUINFO_INT_PC: + case CPUINFO_INT_REGISTER + KONAMI_PC: PC = info->i; break; + case CPUINFO_INT_SP: + case CPUINFO_INT_REGISTER + KONAMI_S: S = info->i; break; + case CPUINFO_INT_REGISTER + KONAMI_CC: CC = info->i; break; + case CPUINFO_INT_REGISTER + KONAMI_U: U = info->i; break; + case CPUINFO_INT_REGISTER + KONAMI_A: A = info->i; break; + case CPUINFO_INT_REGISTER + KONAMI_B: B = info->i; break; + case CPUINFO_INT_REGISTER + KONAMI_X: X = info->i; break; + case CPUINFO_INT_REGISTER + KONAMI_Y: Y = info->i; break; + case CPUINFO_INT_REGISTER + KONAMI_DP: DP = info->i; break; + } +} + + + +/************************************************************************** + * Generic get_info + **************************************************************************/ + +CPU_GET_INFO( konami ) +{ + konami_state *cpustate = (device != NULL && device->token() != NULL) ? get_safe_token(device) : NULL; + switch (state) + { + /* --- the following bits of info are returned as 64-bit signed integers --- */ + case CPUINFO_INT_CONTEXT_SIZE: info->i = sizeof(konami_state); break; + case CPUINFO_INT_INPUT_LINES: info->i = 2; break; + case CPUINFO_INT_DEFAULT_IRQ_VECTOR: info->i = 0; break; + case DEVINFO_INT_ENDIANNESS: info->i = ENDIANNESS_BIG; break; + case CPUINFO_INT_CLOCK_MULTIPLIER: info->i = 1; break; + case CPUINFO_INT_CLOCK_DIVIDER: info->i = 1; break; + case CPUINFO_INT_MIN_INSTRUCTION_BYTES: info->i = 1; break; + case CPUINFO_INT_MAX_INSTRUCTION_BYTES: info->i = 4; break; + case CPUINFO_INT_MIN_CYCLES: info->i = 1; break; + case CPUINFO_INT_MAX_CYCLES: info->i = 13; break; + + case DEVINFO_INT_DATABUS_WIDTH + AS_PROGRAM: info->i = 8; break; + case DEVINFO_INT_ADDRBUS_WIDTH + AS_PROGRAM: info->i = 16; break; + case DEVINFO_INT_ADDRBUS_SHIFT + AS_PROGRAM: info->i = 0; break; + case DEVINFO_INT_DATABUS_WIDTH + AS_DATA: info->i = 0; break; + case DEVINFO_INT_ADDRBUS_WIDTH + AS_DATA: info->i = 0; break; + case DEVINFO_INT_ADDRBUS_SHIFT + AS_DATA: info->i = 0; break; + case DEVINFO_INT_DATABUS_WIDTH + AS_IO: info->i = 0; break; + case DEVINFO_INT_ADDRBUS_WIDTH + AS_IO: info->i = 0; break; + case DEVINFO_INT_ADDRBUS_SHIFT + AS_IO: info->i = 0; break; + + case CPUINFO_INT_INPUT_STATE + KONAMI_IRQ_LINE: info->i = cpustate->irq_state[KONAMI_IRQ_LINE]; break; + case CPUINFO_INT_INPUT_STATE + KONAMI_FIRQ_LINE:info->i = cpustate->irq_state[KONAMI_FIRQ_LINE]; break; + case CPUINFO_INT_INPUT_STATE + INPUT_LINE_NMI: info->i = cpustate->nmi_state; break; + + case CPUINFO_INT_PREVIOUSPC: info->i = PPC; break; + + case CPUINFO_INT_PC: + case CPUINFO_INT_REGISTER + KONAMI_PC: info->i = PC; break; + case CPUINFO_INT_SP: + case CPUINFO_INT_REGISTER + KONAMI_S: info->i = S; break; + case CPUINFO_INT_REGISTER + KONAMI_CC: info->i = CC; break; + case CPUINFO_INT_REGISTER + KONAMI_U: info->i = U; break; + case CPUINFO_INT_REGISTER + KONAMI_A: info->i = A; break; + case CPUINFO_INT_REGISTER + KONAMI_B: info->i = B; break; + case CPUINFO_INT_REGISTER + KONAMI_X: info->i = X; break; + case CPUINFO_INT_REGISTER + KONAMI_Y: info->i = Y; break; + case CPUINFO_INT_REGISTER + KONAMI_DP: info->i = DP; break; + + /* --- the following bits of info are returned as pointers to data or functions --- */ + case CPUINFO_FCT_SET_INFO: info->setinfo = CPU_SET_INFO_NAME(konami); break; + case CPUINFO_FCT_INIT: info->init = CPU_INIT_NAME(konami); break; + case CPUINFO_FCT_RESET: info->reset = CPU_RESET_NAME(konami); break; + case CPUINFO_FCT_EXIT: info->exit = CPU_EXIT_NAME(konami); break; + case CPUINFO_FCT_EXECUTE: info->execute = CPU_EXECUTE_NAME(konami); break; + case CPUINFO_FCT_BURN: info->burn = NULL; break; + case CPUINFO_FCT_DISASSEMBLE: info->disassemble = CPU_DISASSEMBLE_NAME(konami);break; + case CPUINFO_PTR_INSTRUCTION_COUNTER: info->icount = &cpustate->icount; break; + + /* --- the following bits of info are returned as NULL-terminated strings --- */ + case DEVINFO_STR_NAME: strcpy(info->s, "KONAMI"); break; + case DEVINFO_STR_FAMILY: strcpy(info->s, "KONAMI 5000x"); break; + case DEVINFO_STR_VERSION: strcpy(info->s, "1.0"); break; + case DEVINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); break; + case DEVINFO_STR_CREDITS: strcpy(info->s, "Copyright Nicola Salmoria and the MAME Team"); break; + + case CPUINFO_STR_FLAGS: + sprintf(info->s, "%c%c%c%c%c%c%c%c", + cpustate->cc & 0x80 ? 'E':'.', + cpustate->cc & 0x40 ? 'F':'.', + cpustate->cc & 0x20 ? 'H':'.', + cpustate->cc & 0x10 ? 'I':'.', + cpustate->cc & 0x08 ? 'N':'.', + cpustate->cc & 0x04 ? 'Z':'.', + cpustate->cc & 0x02 ? 'V':'.', + cpustate->cc & 0x01 ? 'C':'.'); + break; + + case CPUINFO_STR_REGISTER + KONAMI_PC: sprintf(info->s, "PC:%04X", cpustate->pc.w.l); break; + case CPUINFO_STR_REGISTER + KONAMI_S: sprintf(info->s, "S:%04X", cpustate->s.w.l); break; + case CPUINFO_STR_REGISTER + KONAMI_CC: sprintf(info->s, "CC:%02X", cpustate->cc); break; + case CPUINFO_STR_REGISTER + KONAMI_U: sprintf(info->s, "U:%04X", cpustate->u.w.l); break; + case CPUINFO_STR_REGISTER + KONAMI_A: sprintf(info->s, "A:%02X", cpustate->d.b.h); break; + case CPUINFO_STR_REGISTER + KONAMI_B: sprintf(info->s, "B:%02X", cpustate->d.b.l); break; + case CPUINFO_STR_REGISTER + KONAMI_X: sprintf(info->s, "X:%04X", cpustate->x.w.l); break; + case CPUINFO_STR_REGISTER + KONAMI_Y: sprintf(info->s, "Y:%04X", cpustate->y.w.l); break; + case CPUINFO_STR_REGISTER + KONAMI_DP: sprintf(info->s, "DP:%02X", cpustate->dp.b.h); break; + } +} + +DEFINE_LEGACY_CPU_DEVICE(KONAMI, konami); |