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#include "../copyright"
#ifndef _65c816_h_
#define _65c816_h_
#define AL A.B.l
#define AH A.B.h
#define XL X.B.l
#define XH X.B.h
#define YL Y.B.l
#define YH Y.B.h
#define SL S.B.l
#define SH S.B.h
#define DL D.B.l
#define DH D.B.h
#define PL P.B.l
#define PH P.B.h
#define Carry 1
#define Zero 2
#define IRQ 4
#define Decimal 8
#define IndexFlag 16
#define MemoryFlag 32
#define Overflow 64
#define Negative 128
#define Emulation 256
#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 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 SetFlags(f) (ICPU.Registers.P.W |= (f))
#define ClearFlags(f) (ICPU.Registers.P.W &= ~(f))
#define CheckFlag(f) (ICPU.Registers.PL & (f))
typedef union
{
struct
{
#ifdef MSB_FIRST
uint8_t h, l;
#else
uint8_t l, h;
#endif
} B;
uint16_t W;
} pair;
typedef struct
{
uint8_t PB;
uint8_t DB;
pair P;
pair A;
pair D;
pair S;
pair X;
pair Y;
uint16_t PC;
} SRegisters;
#endif
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