diff options
Diffstat (limited to 'src/emu/cpu/m6502/mincce02.h')
-rw-r--r-- | src/emu/cpu/m6502/mincce02.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/emu/cpu/m6502/mincce02.h b/src/emu/cpu/m6502/mincce02.h new file mode 100644 index 00000000000..40940b88478 --- /dev/null +++ b/src/emu/cpu/m6502/mincce02.h @@ -0,0 +1,71 @@ +/***************************************************************************** + * + * mincce02.h + * Base macros for 65ce02 CPU files + * + *****************************************************************************/ + +/* 65ce02 flags */ +#define F_C 0x01 +#define F_Z 0x02 +#define F_I 0x04 +#define F_D 0x08 +#define F_B 0x10 +#define F_E 0x20 +#define F_V 0x40 +#define F_N 0x80 + +/* some shortcuts for improved readability */ +#define A m65ce02.a +#define X m65ce02.x +#define Y m65ce02.y +#define P m65ce02.p +#define Z m65ce02.z +#define B m65ce02.zp.b.h +#define SW m65ce02.sp.w.l +#define SPL m65ce02.sp.b.l +#define SPH m65ce02.sp.b.h +#define SPD m65ce02.sp.d + +#define NZ m65ce02.nz + +#define EAL m65ce02.ea.b.l +#define EAH m65ce02.ea.b.h +#define EAW m65ce02.ea.w.l +#define EAD m65ce02.ea.d + +#define ZPL m65ce02.zp.b.l +#define ZPH m65ce02.zp.b.h +#define ZPW m65ce02.zp.w.l +#define ZPD m65ce02.zp.d + +#define PCL m65ce02.pc.b.l +#define PCH m65ce02.pc.b.h +#define PCW m65ce02.pc.w.l +#define PCD m65ce02.pc.d + +#define PPC m65ce02.ppc.d + +#define RDMEM_ID m65ce02.rdmem_id +#define WRMEM_ID m65ce02.wrmem_id + +#define IRQ_STATE m65ce02.irq_state +#define AFTER_CLI m65ce02.after_cli + +#define CHANGE_PC change_pc(PCD) + +/*************************************************************** + * RDOP read an opcode + ***************************************************************/ +#define RDOP() cpu_readop(PCW++); m65ce02_ICount -= 1 + +/*************************************************************** + * RDOPARG read an opcode argument + ***************************************************************/ +#define RDOPARG() cpu_readop_arg(PCW++); m65ce02_ICount -= 1 + +#define PEEK_OP() cpu_readop(PCW) + +#define RDMEM(addr) program_read_byte_8(addr); m65ce02_ICount -= 1 +#define WRMEM(addr,data) program_write_byte_8(addr,data); m65ce02_ICount -= 1 + |