diff options
Diffstat (limited to 'source/65c816.h')
| -rw-r--r-- | source/65c816.h | 61 |
1 files changed, 29 insertions, 32 deletions
diff --git a/source/65c816.h b/source/65c816.h index f180037..1d8eb60 100644 --- a/source/65c816.h +++ b/source/65c816.h @@ -26,50 +26,47 @@ #define Negative 128 #define Emulation 256 -#define ClearCarry() (ICPU._Carry = 0) -#define SetCarry() (ICPU._Carry = 1) -#define SetZero() (ICPU._Zero = 0) -#define ClearZero() (ICPU._Zero = 1) -#define SetIRQ() (ICPU.Registers.PL |= IRQ) -#define ClearIRQ() (ICPU.Registers.PL &= ~IRQ) -#define SetDecimal() (ICPU.Registers.PL |= Decimal) -#define ClearDecimal() (ICPU.Registers.PL &= ~Decimal) -#define SetIndex() (ICPU.Registers.PL |= IndexFlag) -#define ClearIndex() (ICPU.Registers.PL &= ~IndexFlag) -#define SetMemory() (ICPU.Registers.PL |= MemoryFlag) -#define ClearMemory() (ICPU.Registers.PL &= ~MemoryFlag) -#define SetOverflow() (ICPU._Overflow = 1) -#define ClearOverflow() (ICPU._Overflow = 0) -#define SetNegative() (ICPU._Negative = 0x80) -#define ClearNegative() (ICPU._Negative = 0) +#define SetCarry() (ICPU._Carry = 1) +#define ClearCarry() (ICPU._Carry = 0) +#define SetZero() (ICPU._Zero = 0) +#define ClearZero() (ICPU._Zero = 1) +#define SetIRQ() (ICPU.Registers.PL |= IRQ) +#define ClearIRQ() (ICPU.Registers.PL &= ~IRQ) +#define SetDecimal() (ICPU.Registers.PL |= Decimal) +#define ClearDecimal() (ICPU.Registers.PL &= ~Decimal) +#define SetIndex() (ICPU.Registers.PL |= IndexFlag) +#define ClearIndex() (ICPU.Registers.PL &= ~IndexFlag) +#define SetMemory() (ICPU.Registers.PL |= MemoryFlag) +#define ClearMemory() (ICPU.Registers.PL &= ~MemoryFlag) +#define SetOverflow() (ICPU._Overflow = 1) +#define ClearOverflow() (ICPU._Overflow = 0) +#define SetNegative() (ICPU._Negative = 0x80) +#define ClearNegative() (ICPU._Negative = 0) -#define CheckZero() (ICPU._Zero == 0) -#define CheckCarry() (ICPU._Carry) -#define CheckIRQ() (ICPU.Registers.PL & IRQ) -#define CheckDecimal() (ICPU.Registers.PL & Decimal) -#define CheckIndex() (ICPU.Registers.PL & IndexFlag) -#define CheckMemory() (ICPU.Registers.PL & MemoryFlag) -#define CheckOverflow() (ICPU._Overflow) -#define CheckNegative() (ICPU._Negative & 0x80) +#define CheckCarry() (ICPU._Carry) +#define CheckZero() (ICPU._Zero == 0) +#define CheckIRQ() (ICPU.Registers.PL & IRQ) +#define CheckDecimal() (ICPU.Registers.PL & Decimal) +#define CheckIndex() (ICPU.Registers.PL & IndexFlag) +#define CheckMemory() (ICPU.Registers.PL & MemoryFlag) +#define CheckOverflow() (ICPU._Overflow) +#define CheckNegative() (ICPU._Negative & 0x80) #define CheckEmulation() (ICPU.Registers.P.W & Emulation) -#define ClearFlags(f) (ICPU.Registers.P.W &= ~(f)) -#define SetFlags(f) (ICPU.Registers.P.W |= (f)) -#define CheckFlag(f) (ICPU.Registers.PL & (f)) +#define SetFlags(f) (ICPU.Registers.P.W |= (f)) +#define ClearFlags(f) (ICPU.Registers.P.W &= ~(f)) +#define CheckFlag(f) (ICPU.Registers.PL & (f)) typedef union { -#ifdef MSB_FIRST struct { +#ifdef MSB_FIRST uint8_t h, l; - } B; #else - struct - { uint8_t l, h; - } B; #endif + } B; uint16_t W; } pair; |