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AmigActive 6
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AACD06.ISO
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Emulation
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Atari800
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cpu.h
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C/C++ Source or Header
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1998-02-24
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923b
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49 lines
#ifndef __CPU_INCLUDED__
#define __CPU_INCLUDED__
#include "atari.h"
#define N_FLAG 0x80
#define V_FLAG 0x40
#define G_FLAG 0x20
#define B_FLAG 0x10
#define D_FLAG 0x08
#define I_FLAG 0x04
#define Z_FLAG 0x02
#define C_FLAG 0x01
void CPU_GetStatus (void);
void CPU_PutStatus (void);
void CPU_Reset (void);
void NMI (void);
void GenerateIRQ(void);
int GO (int cycles);
extern UWORD regPC;
extern UBYTE regA;
extern UBYTE regP;
extern UBYTE regS;
extern UBYTE regY;
extern UBYTE regX;
extern int wsync_bonus;
#define SetN regP|=N_FLAG
#define ClrN regP&=(~N_FLAG)
#define SetV regP|=V_FLAG
#define ClrV regP&=(~V_FLAG)
#define SetB regP|=B_FLAG
#define ClrB regP&=(~B_FLAG)
#define SetD regP|=D_FLAG
#define ClrD regP&=(~D_FLAG)
#define SetI regP|=I_FLAG
#define ClrI regP&=(~I_FLAG)
#define SetZ regP|=Z_FLAG
#define ClrZ regP&=(~Z_FLAG)
#define SetC regP|=C_FLAG
#define ClrC regP&=(~C_FLAG)
extern int IRQ;
#endif