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-rw-r--r--src/cpuexec.h208
1 files changed, 104 insertions, 104 deletions
diff --git a/src/cpuexec.h b/src/cpuexec.h
index de057bf..9ccfa71 100644
--- a/src/cpuexec.h
+++ b/src/cpuexec.h
@@ -4,7 +4,7 @@
* (c) Copyright 1996 - 2001 Gary Henderson (gary.henderson@ntlworld.com) and
* Jerremy Koot (jkoot@snes9x.com)
*
- * Super FX C emulator code
+ * Super FX C emulator code
* (c) Copyright 1997 - 1999 Ivar (ivar@snes9x.com) and
* Gary Henderson.
* Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_.
@@ -47,38 +47,39 @@
#define DO_HBLANK_CHECK() \
if (CPU.Cycles >= CPU.NextEvent) \
- S9xDoHBlankProcessing ();
+ S9xDoHBlankProcessing ();
-typedef struct{
+typedef struct
+{
#ifdef __WIN32__
- void (__cdecl *S9xOpcode)( void);
+ void (__cdecl* S9xOpcode)(void);
#else
- void (*S9xOpcode)( void);
+ void (*S9xOpcode)(void);
#endif
-}SOpcodes;
+} SOpcodes;
typedef struct
{
- uint8 *Speed;
- SOpcodes *S9xOpcodes;
- uint8 _Carry;
- uint8 _Zero;
- uint8 _Negative;
- uint8 _Overflow;
- bool8 CPUExecuting;
- uint32 ShiftedPB;
- uint32 ShiftedDB;
- uint32 Frame;
- uint32 Scanline;
- uint32 FrameAdvanceCount;
-}SICPU;
+ uint8* Speed;
+ SOpcodes* S9xOpcodes;
+ uint8 _Carry;
+ uint8 _Zero;
+ uint8 _Negative;
+ uint8 _Overflow;
+ bool8 CPUExecuting;
+ uint32 ShiftedPB;
+ uint32 ShiftedDB;
+ uint32 Frame;
+ uint32 Scanline;
+ uint32 FrameAdvanceCount;
+} SICPU;
START_EXTERN_C
-void S9xMainLoop (void);
-void S9xReset (void);
-void S9xDoHBlankProcessing ();
-void S9xClearIRQ (uint32);
-void S9xSetIRQ (uint32);
+void S9xMainLoop(void);
+void S9xReset(void);
+void S9xDoHBlankProcessing();
+void S9xClearIRQ(uint32);
+void S9xSetIRQ(uint32);
extern SOpcodes S9xOpcodesM1X1 [256];
extern SOpcodes S9xOpcodesM1X0 [256];
@@ -96,90 +97,89 @@ extern uint8 S9xE0M0X1 [256];
extern SICPU ICPU;
END_EXTERN_C
-STATIC inline void CLEAR_IRQ_SOURCE (uint32 M)
+STATIC inline void CLEAR_IRQ_SOURCE(uint32 M)
{
- CPU.IRQActive &= ~M;
- if (!CPU.IRQActive)
- CPU.Flags &= ~IRQ_PENDING_FLAG;
+ CPU.IRQActive &= ~M;
+ if (!CPU.IRQActive)
+ CPU.Flags &= ~IRQ_PENDING_FLAG;
}
STATIC inline void S9xUnpackStatus()
{
- ICPU._Zero = (Registers.PL & Zero) == 0;
- ICPU._Negative = (Registers.PL & Negative);
- ICPU._Carry = (Registers.PL & Carry);
- ICPU._Overflow = (Registers.PL & Overflow) >> 6;
+ ICPU._Zero = (Registers.PL & Zero) == 0;
+ ICPU._Negative = (Registers.PL & Negative);
+ ICPU._Carry = (Registers.PL & Carry);
+ ICPU._Overflow = (Registers.PL & Overflow) >> 6;
}
STATIC inline void S9xPackStatus()
{
- Registers.PL &= ~(Zero | Negative | Carry | Overflow);
- Registers.PL |= ICPU._Carry | ((ICPU._Zero == 0) << 1) |
- (ICPU._Negative & 0x80) | (ICPU._Overflow << 6);
+ Registers.PL &= ~(Zero | Negative | Carry | Overflow);
+ Registers.PL |= ICPU._Carry | ((ICPU._Zero == 0) << 1) |
+ (ICPU._Negative & 0x80) | (ICPU._Overflow << 6);
}
-STATIC inline void S9xFixCycles ()
-{
- if (CheckEmulation ())
- {
+STATIC inline void S9xFixCycles()
+{
+ if (CheckEmulation())
+ {
#ifndef VAR_CYCLES
- ICPU.Speed = S9xE1M1X1;
+ ICPU.Speed = S9xE1M1X1;
#endif
- ICPU.S9xOpcodes = S9xOpcodesM1X1;
- }
- else
- if (CheckMemory ())
- {
- if (CheckIndex ())
- {
+ ICPU.S9xOpcodes = S9xOpcodesM1X1;
+ }
+ else if (CheckMemory())
+ {
+ if (CheckIndex())
+ {
#ifndef VAR_CYCLES
- ICPU.Speed = S9xE0M1X1;
+ ICPU.Speed = S9xE0M1X1;
#endif
- ICPU.S9xOpcodes = S9xOpcodesM1X1;
- }
- else
- {
+ ICPU.S9xOpcodes = S9xOpcodesM1X1;
+ }
+ else
+ {
#ifndef VAR_CYCLES
- ICPU.Speed = S9xE0M1X0;
+ ICPU.Speed = S9xE0M1X0;
#endif
- ICPU.S9xOpcodes = S9xOpcodesM1X0;
- }
- }
- else
- {
- if (CheckIndex ())
- {
+ ICPU.S9xOpcodes = S9xOpcodesM1X0;
+ }
+ }
+ else
+ {
+ if (CheckIndex())
+ {
#ifndef VAR_CYCLES
- ICPU.Speed = S9xE0M0X1;
+ ICPU.Speed = S9xE0M0X1;
#endif
- ICPU.S9xOpcodes = S9xOpcodesM0X1;
- }
- else
- {
+ ICPU.S9xOpcodes = S9xOpcodesM0X1;
+ }
+ else
+ {
#ifndef VAR_CYCLES
- ICPU.Speed = S9xE0M0X0;
+ ICPU.Speed = S9xE0M0X0;
#endif
- ICPU.S9xOpcodes = S9xOpcodesM0X0;
- }
- }
+ ICPU.S9xOpcodes = S9xOpcodesM0X0;
+ }
+ }
}
#define S9xReschedule() { \
- uint8 which; \
+ uint8 which; \
long max; \
if (CPU.WhichEvent == HBLANK_START_EVENT || CPU.WhichEvent == HTIMER_AFTER_EVENT) { \
- which = HBLANK_END_EVENT; \
- max = Settings.H_Max; \
+ which = HBLANK_END_EVENT; \
+ max = Settings.H_Max; \
} else { \
- which = HBLANK_START_EVENT; \
- max = Settings.HBlankStart; \
+ which = HBLANK_START_EVENT; \
+ max = Settings.HBlankStart; \
} \
\
- if (PPU.HTimerEnabled && (long) PPU.HTimerPosition < max && (long) PPU.HTimerPosition > CPU.NextEvent && \
- (!PPU.VTimerEnabled || (PPU.VTimerEnabled && CPU.V_Counter == PPU.IRQVBeamPos))) { \
- which = (long) PPU.HTimerPosition < Settings.HBlankStart ? HTIMER_BEFORE_EVENT : HTIMER_AFTER_EVENT; \
- max = PPU.HTimerPosition; \
+ if (PPU.HTimerEnabled && (long) PPU.HTimerPosition < max && (long) PPU.HTimerPosition > CPU.NextEvent && \
+ (!PPU.VTimerEnabled || (PPU.VTimerEnabled && CPU.V_Counter == PPU.IRQVBeamPos))) { \
+ which = (long) PPU.HTimerPosition < Settings.HBlankStart ? HTIMER_BEFORE_EVENT : HTIMER_AFTER_EVENT; \
+ max = PPU.HTimerPosition; \
} \
CPU.NextEvent = max; \
CPU.WhichEvent = which; \
@@ -195,19 +195,19 @@ void asm_APU_EXECUTE2(void);
{\
if (CPU.APU_APUExecuting == MODE) {\
if (Settings.asmspc700) {\
- if(CPU.APU_Cycles < CPU.Cycles) {\
- int cycles = CPU.Cycles - CPU.APU_Cycles;\
- CPU.APU_Cycles += cycles - spc700_execute(cycles);\
- }\
- }\
- else\
- {\
- while (CPU.APU_Cycles <= CPU.Cycles)\
- {\
- CPU.APU_Cycles += S9xAPUCycles [*IAPU.PC];\
- (*S9xApuOpcodes[*IAPU.PC]) ();\
- }\
- }\
+ if(CPU.APU_Cycles < CPU.Cycles) {\
+ int cycles = CPU.Cycles - CPU.APU_Cycles;\
+ CPU.APU_Cycles += cycles - spc700_execute(cycles);\
+ }\
+ }\
+ else\
+ {\
+ while (CPU.APU_Cycles <= CPU.Cycles)\
+ {\
+ CPU.APU_Cycles += S9xAPUCycles [*IAPU.PC];\
+ (*S9xApuOpcodes[*IAPU.PC]) ();\
+ }\
+ }\
}\
}
@@ -216,19 +216,19 @@ void asm_APU_EXECUTE2(void);
{\
if (CPU.APU_APUExecuting == 1) {\
if (Settings.asmspc700) {\
- if (CPU.APU_Cycles < CPU.NextEvent) {\
- int cycles = CPU.NextEvent - CPU.APU_Cycles;\
- CPU.APU_Cycles += cycles - spc700_execute(cycles);\
- }\
- }\
- else\
- {\
- do\
- {\
- CPU.APU_Cycles += S9xAPUCycles [*IAPU.PC];\
- (*S9xApuOpcodes[*IAPU.PC]) ();\
- } while (CPU.APU_Cycles < CPU.NextEvent);\
- }\
+ if (CPU.APU_Cycles < CPU.NextEvent) {\
+ int cycles = CPU.NextEvent - CPU.APU_Cycles;\
+ CPU.APU_Cycles += cycles - spc700_execute(cycles);\
+ }\
+ }\
+ else\
+ {\
+ do\
+ {\
+ CPU.APU_Cycles += S9xAPUCycles [*IAPU.PC];\
+ (*S9xApuOpcodes[*IAPU.PC]) ();\
+ } while (CPU.APU_Cycles < CPU.NextEvent);\
+ }\
}\
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 18:05:49 +0000