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Gradius fixed
[fceu.git]
/
x6502.c
diff --git
a/x6502.c
b/x6502.c
index
b428056
..
c8c0032
100644
(file)
--- a/
x6502.c
+++ b/
x6502.c
@@
-33,14
+33,16
@@
extern uint32 PC_prev, OP_prev;
extern uint8 dreads[4];
extern uint32 dwrites_c[2];
extern int dread_count_c, dwrite_count_c;
extern uint8 dreads[4];
extern uint32 dwrites_c[2];
extern int dread_count_c, dwrite_count_c;
+extern int mapirq_cyc_c;
+extern void (*MapIRQHook)(int a);
#define DummyRdMem(...)
#else
#define DummyRdMem RdMem
#define DummyRdMem(...)
#else
#define DummyRdMem RdMem
+void FP_FASTAPASS(1) (*MapIRQHook)(int a);
#endif
X6502 X;
uint32 timestamp;
#endif
X6502 X;
uint32 timestamp;
-void FP_FASTAPASS(1) (*MapIRQHook)(int a);
#define _PC X.PC
#define _A X.A
#define _PC X.PC
#define _A X.A
@@
-107,7
+109,7
@@
static INLINE void WrRAM(unsigned int A, uint8 V)
static INLINE void ADDCYC(int x)
{
static INLINE void ADDCYC(int x)
{
-
//
_tcount+=x;
+ _tcount+=x;
_count-=x*48;
timestamp+=x;
}
_count-=x*48;
timestamp+=x;
}
@@
-499,17
+501,20
@@
void X6502_Run_c(void/*int32 cycles*/)
TriggerIRQReal();
_IRQlow&=~(FCEU_IQTEMP|FCEU_IQNMI);
TriggerIRQReal();
_IRQlow&=~(FCEU_IQTEMP|FCEU_IQNMI);
- if(_count<=0) {_PI=_P;return;} /* Should increase accuracy without a */
- /* major speed hit. */
+ if(_count<=0)
+ {
+#ifdef DEBUG_ASM_6502
+ if(MapIRQHook) mapirq_cyc_c = _tcount;
+ _tcount=0;
+#endif
+ _PI=_P;
+ return; /* Should increase accuracy without a major speed hit. */
+ }
}
_PI=_P;
b1=RdMem(_PC);
}
_PI=_P;
b1=RdMem(_PC);
- temp=CycTable[b1];
- ADDCYC(temp);
- //temp=_tcount;
- //_tcount=0;
-
- if(MapIRQHook) MapIRQHook(temp);
+ ADDCYC(CycTable[b1]);
+ temp=_tcount;
temp*=48;
temp*=48;
@@
-548,6
+553,16
@@
void X6502_Run_c(void/*int32 cycles*/)
#include "ops.h"
}
#include "ops.h"
}
+ temp=_tcount; /* Gradius II (J) glitches if _tcount is not used */
+ _tcount=0;
+
+ if(MapIRQHook) {
+#ifdef DEBUG_ASM_6502
+ mapirq_cyc_c = temp;
+#endif
+ MapIRQHook(temp);
+ }
+
#ifdef DEBUG_ASM_6502
_PI=_P;
#endif
#ifdef DEBUG_ASM_6502
_PI=_P;
#endif