+#elif defined(ASM_6502)
+#define TriggerIRQ TriggerIRQ_a
+#define TriggerNMI TriggerNMI_a
+#define TriggerNMINSF TriggerNMINSF_a
+#define X6502_Reset X6502_Reset_a
+#define X6502_Power X6502_Power_a
+#define X6502_AddCycles X6502_AddCycles_a
+//#define X6502_IRQBegin X6502_IRQBegin_a
+//#define X6502_IRQEnd X6502_IRQEnd_a
+#define X6502_IRQBegin(w) nes_registers[4]|=w<<8
+#define X6502_IRQEnd(w) nes_registers[4]&=~(w<<8)
+#define X6502_Rebase X6502_Rebase_a
+#define X6502_GetCycleCount() ((int32)nes_registers[7]>>16)
+#define X6502_A
+
+#define X6502_Run(c) \
+{ \
+ int32 cycles = (c) << 4; /* *16 */ \
+ if (PAL) cycles -= (c); /* *15 */ \
+ nes_registers[7]+=cycles<<16; \
+ cycles=(int32)nes_registers[7]>>16; \
+ if (cycles > 0) { \
+ X6502_Run_a(); \
+ cycles -= (int32)nes_registers[7]>>16; \
+ asmcpu_update(cycles); \
+ } \
+}
+
+#else
+#define TriggerIRQ TriggerIRQ_c
+#define TriggerNMI TriggerNMI_c
+#define TriggerNMINSF TriggerNMINSF_c
+#define X6502_Reset X6502_Reset_c
+#define X6502_Power X6502_Power_c
+#define X6502_AddCycles X6502_AddCycles_c
+#define X6502_IRQBegin X6502_IRQBegin_c
+#define X6502_IRQEnd X6502_IRQEnd_c
+#define X6502_Rebase(...)
+#define X6502_GetCycleCount() X.count
+#define X6502_C
+
+#define X6502_Run(c) \
+{ \
+ int32 cycles = (c) << 4; /* *16 */ \
+ if (PAL) cycles -= (c); /* *15 */ \
+ X.count+=cycles; \
+ if (X.count > 0) X6502_Run_c(); \
+}
+#define X6502_C
+#endif
+
+// c
+#ifdef X6502_C
+extern int32 g_cnt;
+void TriggerIRQ_c(void);
+void TriggerNMI_c(void);
+void TriggerNMINSF_c(void);
+void X6502_Run_c(void);
+void X6502_Reset_c(void);
+void X6502_Power_c(void);
+void FASTAPASS(1) X6502_AddCycles_c(int x);
+void FASTAPASS(1) X6502_IRQBegin_c(int w);
+void FASTAPASS(1) X6502_IRQEnd_c(int w);
+#endif
+
+// asm
+#ifdef X6502_A
+extern uint32 nes_registers[0x10];
+extern uint32 pc_base;
+void TriggerIRQ_a(void);
+void TriggerNMI_a(void);
+void TriggerNMINSF_a(void);
+void X6502_Run_a(void);
+void X6502_Reset_a(void);
+void X6502_Power_a(void);
+void X6502_AddCycles_a(int x);
+void X6502_IRQBegin_a(int w);
+void X6502_IRQEnd_a(int w);
+void X6502_Rebase_a(void);
+#endif
+
+// debug
+#ifdef X6502_D
+void TriggerIRQ_d(void);
+void TriggerNMI_d(void);
+void TriggerNMINSF_d(void);
+void X6502_Run_d(int32 c);
+void X6502_Reset_d(void);
+void X6502_Power_d(void);
+void X6502_AddCycles_d(int x);
+void X6502_IRQBegin_d(int w);
+void X6502_IRQEnd_d(int w);
+void X6502_Rebase_d(void);
+#endif