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#include "../copyright"
#ifndef USE_BLARGG_APU
#ifndef _SPC700_H_
#define _SPC700_H_
#define Carry 1
#define Zero 2
#define Interrupt 4
#define HalfCarry 8
#define BreakFlag 16
#define DirectPageFlag 32
#define Overflow 64
#define Negative 128
#define APUClearCarry() (IAPU._Carry = 0)
#define APUSetCarry() (IAPU._Carry = 1)
#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() (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)
typedef union
{
struct
{
#ifdef MSB_FIRST
uint8_t Y, A;
#else
uint8_t A, Y;
#endif
} B;
uint16_t W;
} YAndA;
typedef struct
{
uint8_t P;
YAndA YA;
uint8_t X;
uint8_t S;
uint16_t PC;
} SAPURegisters;
// Needed by ILLUSION OF GAIA
#define ONE_APU_CYCLE 21
#define APU_EXECUTE1() \
{ \
APU.Cycles += S9xAPUCycles [*IAPU.PC]; \
(*S9xApuOpcodes[*IAPU.PC]) (); \
}
#define APU_EXECUTE() \
if (IAPU.APUExecuting) \
{\
while (APU.Cycles <= CPU.Cycles) \
APU_EXECUTE1(); \
}
#endif
#endif
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