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| author | Nebuleon Fumika | 2012-12-26 14:42:02 -0500 |
|---|---|---|
| committer | Nebuleon Fumika | 2012-12-26 14:42:02 -0500 |
| commit | e5869adc4469115c7eac9abf70145fc178e017de (patch) | |
| tree | 552805b1c150fea2f5e905e550d034f71c03fb75 /source/spc700.h | |
| parent | 139c793b584a76acd42d72ec019d2cabab7d3ee7 (diff) | |
| download | snes9x2005-e5869adc4469115c7eac9abf70145fc178e017de.tar.gz snes9x2005-e5869adc4469115c7eac9abf70145fc178e017de.tar.bz2 snes9x2005-e5869adc4469115c7eac9abf70145fc178e017de.zip | |
Merge Registers structures into their respective CPUs to avoid additional memory addresses being loaded every opcode.
Diffstat (limited to 'source/spc700.h')
| -rw-r--r-- | source/spc700.h | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/source/spc700.h b/source/spc700.h index 3d09fee..abb413e 100644 --- a/source/spc700.h +++ b/source/spc700.h @@ -107,29 +107,29 @@ #define APUClearCarry() (IAPU._Carry = 0) #define APUSetCarry() (IAPU._Carry = 1) -#define APUSetInterrupt() (APURegisters.P |= Interrupt) -#define APUClearInterrupt() (APURegisters.P &= ~Interrupt) -#define APUSetHalfCarry() (APURegisters.P |= HalfCarry) -#define APUClearHalfCarry() (APURegisters.P &= ~HalfCarry) -#define APUSetBreak() (APURegisters.P |= BreakFlag) -#define APUClearBreak() (APURegisters.P &= ~BreakFlag) -#define APUSetDirectPage() (APURegisters.P |= DirectPageFlag) -#define APUClearDirectPage() (APURegisters.P &= ~DirectPageFlag) +#define APUSetInterrupt() (IAPU.Registers.P |= Interrupt) +#define APUClearInterrupt() (IAPU.Registers.P &= ~Interrupt) +#define APUSetHalfCarry() (IAPU.Registers.P |= HalfCarry) +#define APUClearHalfCarry() (IAPU.Registers.P &= ~HalfCarry) +#define APUSetBreak() (IAPU.Registers.P |= BreakFlag) +#define APUClearBreak() (IAPU.Registers.P &= ~BreakFlag) +#define APUSetDirectPage() (IAPU.Registers.P |= DirectPageFlag) +#define APUClearDirectPage() (IAPU.Registers.P &= ~DirectPageFlag) #define APUSetOverflow() (IAPU._Overflow = 1) #define APUClearOverflow() (IAPU._Overflow = 0) #define APUCheckZero() (IAPU._Zero == 0) #define APUCheckCarry() (IAPU._Carry) -#define APUCheckInterrupt() (APURegisters.P & Interrupt) -#define APUCheckHalfCarry() (APURegisters.P & HalfCarry) -#define APUCheckBreak() (APURegisters.P & BreakFlag) -#define APUCheckDirectPage() (APURegisters.P & DirectPageFlag) +#define APUCheckInterrupt() (IAPU.Registers.P & Interrupt) +#define APUCheckHalfCarry() (IAPU.Registers.P & HalfCarry) +#define APUCheckBreak() (IAPU.Registers.P & BreakFlag) +#define APUCheckDirectPage() (IAPU.Registers.P & DirectPageFlag) #define APUCheckOverflow() (IAPU._Overflow) #define APUCheckNegative() (IAPU._Zero & 0x80) -#define APUClearFlags(f) (APURegisters.P &= ~(f)) -#define APUSetFlags(f) (APURegisters.P |= (f)) -#define APUCheckFlag(f) (APURegisters.P & (f)) +#define APUClearFlags(f) (IAPU.Registers.P &= ~(f)) +#define APUSetFlags(f) (IAPU.Registers.P |= (f)) +#define APUCheckFlag(f) (IAPU.Registers.P & (f)) typedef union { @@ -149,8 +149,6 @@ struct SAPURegisters{ uint16 PC; }; -EXTERN_C struct SAPURegisters APURegisters; - // Needed by ILLUSION OF GAIA //#define ONE_APU_CYCLE 14 #define ONE_APU_CYCLE 21 |