diff options
Diffstat (limited to 'source/cpuexec.c')
| -rw-r--r-- | source/cpuexec.c | 85 |
1 files changed, 22 insertions, 63 deletions
diff --git a/source/cpuexec.c b/source/cpuexec.c index c834adf..d7151be 100644 --- a/source/cpuexec.c +++ b/source/cpuexec.c @@ -13,10 +13,10 @@ #include "sa1.h" #include "spc7110.h" -void S9xMainLoop_SA1_SFX(void); -void S9xMainLoop_SA1_NoSFX(void); -void S9xMainLoop_NoSA1_SFX(void); -void S9xMainLoop_NoSA1_NoSFX(void); +void S9xMainLoop_SA1_SFX(); +void S9xMainLoop_SA1_NoSFX(); +void S9xMainLoop_NoSA1_SFX(); +void S9xMainLoop_NoSA1_NoSFX(); /* * This is a CATSFC modification inspired by a Snes9x-Euphoria modification. @@ -27,7 +27,7 @@ void S9xMainLoop_NoSA1_NoSFX(void); * to propagate modifications to the SA1_NoSFX, NoSA1_SFX and NoSA1_NoSFX * versions. */ -void S9xMainLoop(void) +void S9xMainLoop() { if (Settings.SA1) { @@ -41,7 +41,7 @@ void S9xMainLoop(void) } } -void S9xMainLoop_SA1_SFX(void) +void S9xMainLoop_SA1_SFX() { for (;;) { @@ -56,7 +56,7 @@ void S9xMainLoop_SA1_SFX(void) if (CPU.WaitingForInterrupt) { CPU.WaitingForInterrupt = false; - ++CPU.PC; + CPU.PC++; } S9xOpcode_NMI(); } @@ -69,7 +69,7 @@ void S9xMainLoop_SA1_SFX(void) if (CPU.WaitingForInterrupt) { CPU.WaitingForInterrupt = false; - ++CPU.PC; + CPU.PC++; } if (CPU.IRQActive && !Settings.DisableIRQ) { @@ -79,13 +79,9 @@ void S9xMainLoop_SA1_SFX(void) else CPU.Flags &= ~IRQ_PENDING_FLAG; } - else - { - if (--CPU.IRQCycleCount == 0 && CheckFlag(IRQ)) - CPU.IRQCycleCount = 1; - } + else if (--CPU.IRQCycleCount == 0 && CheckFlag(IRQ)) + CPU.IRQCycleCount = 1; } - if (CPU.Flags & SCAN_KEYS_FLAG) break; } @@ -94,7 +90,6 @@ void S9xMainLoop_SA1_SFX(void) CPU.PCAtOpcodeStart = CPU.PC; #endif CPU.Cycles += CPU.MemSpeed; - (*ICPU.S9xOpcodes [*CPU.PC++].S9xOpcode)(); if (SA1.Executing) @@ -110,18 +105,9 @@ void S9xMainLoop_SA1_SFX(void) #endif if (CPU.Flags & SCAN_KEYS_FLAG) CPU.Flags &= ~SCAN_KEYS_FLAG; - -#ifdef DETECT_NASTY_FX_INTERLEAVE - if (CPU.BRKTriggered && Settings.SuperFX && !CPU.TriedInterleavedMode2) - { - CPU.TriedInterleavedMode2 = true; - CPU.BRKTriggered = false; - S9xDeinterleaveMode2(); - } -#endif } -void S9xMainLoop_SA1_NoSFX(void) +void S9xMainLoop_SA1_NoSFX() { for (;;) { @@ -159,13 +145,9 @@ void S9xMainLoop_SA1_NoSFX(void) else CPU.Flags &= ~IRQ_PENDING_FLAG; } - else - { - if (--CPU.IRQCycleCount == 0 && CheckFlag(IRQ)) - CPU.IRQCycleCount = 1; - } + else if (--CPU.IRQCycleCount == 0 && CheckFlag(IRQ)) + CPU.IRQCycleCount = 1; } - if (CPU.Flags & SCAN_KEYS_FLAG) break; } @@ -174,7 +156,6 @@ void S9xMainLoop_SA1_NoSFX(void) CPU.PCAtOpcodeStart = CPU.PC; #endif CPU.Cycles += CPU.MemSpeed; - (*ICPU.S9xOpcodes [*CPU.PC++].S9xOpcode)(); if (SA1.Executing) @@ -192,7 +173,7 @@ void S9xMainLoop_SA1_NoSFX(void) CPU.Flags &= ~SCAN_KEYS_FLAG; } -void S9xMainLoop_NoSA1_SFX(void) +void S9xMainLoop_NoSA1_SFX() { for (;;) { @@ -207,7 +188,7 @@ void S9xMainLoop_NoSA1_SFX(void) if (CPU.WaitingForInterrupt) { CPU.WaitingForInterrupt = false; - ++CPU.PC; + CPU.PC++; } S9xOpcode_NMI(); } @@ -220,7 +201,7 @@ void S9xMainLoop_NoSA1_SFX(void) if (CPU.WaitingForInterrupt) { CPU.WaitingForInterrupt = false; - ++CPU.PC; + CPU.PC++; } if (CPU.IRQActive && !Settings.DisableIRQ) { @@ -230,13 +211,9 @@ void S9xMainLoop_NoSA1_SFX(void) else CPU.Flags &= ~IRQ_PENDING_FLAG; } - else - { - if (--CPU.IRQCycleCount == 0 && CheckFlag(IRQ)) - CPU.IRQCycleCount = 1; - } + else if (--CPU.IRQCycleCount == 0 && CheckFlag(IRQ)) + CPU.IRQCycleCount = 1; } - if (CPU.Flags & SCAN_KEYS_FLAG) break; } @@ -245,9 +222,7 @@ void S9xMainLoop_NoSA1_SFX(void) CPU.PCAtOpcodeStart = CPU.PC; #endif CPU.Cycles += CPU.MemSpeed; - (*ICPU.S9xOpcodes [*CPU.PC++].S9xOpcode)(); - DO_HBLANK_CHECK_SFX(); } @@ -259,18 +234,9 @@ void S9xMainLoop_NoSA1_SFX(void) #endif if (CPU.Flags & SCAN_KEYS_FLAG) CPU.Flags &= ~SCAN_KEYS_FLAG; - -#ifdef DETECT_NASTY_FX_INTERLEAVE - if (CPU.BRKTriggered && Settings.SuperFX && !CPU.TriedInterleavedMode2) - { - CPU.TriedInterleavedMode2 = true; - CPU.BRKTriggered = false; - S9xDeinterleaveMode2(); - } -#endif } -void S9xMainLoop_NoSA1_NoSFX(void) +void S9xMainLoop_NoSA1_NoSFX() { for (;;) { @@ -308,13 +274,9 @@ void S9xMainLoop_NoSA1_NoSFX(void) else CPU.Flags &= ~IRQ_PENDING_FLAG; } - else - { - if (--CPU.IRQCycleCount == 0 && CheckFlag(IRQ)) - CPU.IRQCycleCount = 1; - } + else if (--CPU.IRQCycleCount == 0 && CheckFlag(IRQ)) + CPU.IRQCycleCount = 1; } - if (CPU.Flags & SCAN_KEYS_FLAG) break; } @@ -323,9 +285,7 @@ void S9xMainLoop_NoSA1_NoSFX(void) CPU.PCAtOpcodeStart = CPU.PC; #endif CPU.Cycles += CPU.MemSpeed; - (*ICPU.S9xOpcodes [*CPU.PC++].S9xOpcode)(); - DO_HBLANK_CHECK_NoSFX(); } @@ -396,8 +356,7 @@ void S9xDoHBlankProcessing_SFX() CPU.NextEvent = -1; ICPU.Scanline++; - if (++CPU.V_Counter >= (Settings.PAL ? SNES_MAX_PAL_VCOUNTER : - SNES_MAX_NTSC_VCOUNTER)) + if (++CPU.V_Counter >= (Settings.PAL ? SNES_MAX_PAL_VCOUNTER : SNES_MAX_NTSC_VCOUNTER)) { CPU.V_Counter = 0; Memory.FillRAM[0x213F] ^= 0x80; |