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| author | Twinaphex | 2017-02-12 16:02:47 +0100 |
|---|---|---|
| committer | GitHub | 2017-02-12 16:02:47 +0100 |
| commit | 474a67ccdccb89d369c706347085ca4619f0cbef (patch) | |
| tree | cb331b665bc5d53ad180d5500bf37e2dfbf683d8 /source/sa1.h | |
| parent | b6006bc542f89ad1b7086268f851f0ba880ad6cd (diff) | |
| parent | fb2517282da2fdfc26e58207bbb8e0a8bca35be2 (diff) | |
| download | snes9x2005-474a67ccdccb89d369c706347085ca4619f0cbef.tar.gz snes9x2005-474a67ccdccb89d369c706347085ca4619f0cbef.tar.bz2 snes9x2005-474a67ccdccb89d369c706347085ca4619f0cbef.zip | |
Merge pull request #31 from jamsilva/master
Improvements to both accuracy and performance.
Diffstat (limited to 'source/sa1.h')
| -rw-r--r-- | source/sa1.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/source/sa1.h b/source/sa1.h index 2b83eb3..6eb9935 100644 --- a/source/sa1.h +++ b/source/sa1.h @@ -51,7 +51,7 @@ typedef struct int64_t sum; bool overflow; uint8_t VirtualBitmapFormat; - bool in_char_dma; + uint8_t in_char_dma; uint8_t variable_bit_pos; SSA1Registers Registers; } SSA1; @@ -78,6 +78,7 @@ void S9xSA1SetPCBase(uint32_t); uint8_t S9xGetSA1(uint32_t); void S9xSetSA1(uint8_t, uint32_t); +extern SOpcodes S9xSA1OpcodesE1 [256]; extern SOpcodes S9xSA1OpcodesM1X1 [256]; extern SOpcodes S9xSA1OpcodesM1X0 [256]; extern SOpcodes S9xSA1OpcodesM0X1 [256]; @@ -92,7 +93,7 @@ void S9xFixSA1AfterSnapshotLoad(); #define TIMER_IRQ_SOURCE (1 << 6) #define DMA_IRQ_SOURCE (1 << 5) -static inline void S9xSA1UnpackStatus(void) +static inline void S9xSA1UnpackStatus() { SA1._Zero = (SA1.Registers.PL & Zero) == 0; SA1._Negative = (SA1.Registers.PL & Negative); @@ -100,17 +101,17 @@ static inline void S9xSA1UnpackStatus(void) SA1._Overflow = (SA1.Registers.PL & Overflow) >> 6; } -static inline void S9xSA1PackStatus(void) +static inline void S9xSA1PackStatus() { SA1.Registers.PL &= ~(Zero | Negative | Carry | Overflow); SA1.Registers.PL |= SA1._Carry | ((SA1._Zero == 0) << 1) | (SA1._Negative & 0x80) | (SA1._Overflow << 6); } -static inline void S9xSA1FixCycles(void) +static inline void S9xSA1FixCycles() { if (SA1CheckEmulation()) - SA1.S9xOpcodes = S9xSA1OpcodesM1X1; + SA1.S9xOpcodes = S9xSA1OpcodesE1; else if (SA1CheckMemory()) { if (SA1CheckIndex()) |