Pecus/libretro-atari800
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2015-12-14 14:00:35 +01:00
commit 5a96c0ca66
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atari800/src/pia.h
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#ifndef PIA_H_
#define PIA_H_
#include "atari.h"
#define PIA_OFFSET_PORTA 0x00
#define PIA_OFFSET_PORTB 0x01
#define PIA_OFFSET_PACTL 0x02
#define PIA_OFFSET_PBCTL 0x03
extern UBYTE PIA_PACTL;
extern UBYTE PIA_PBCTL;
extern UBYTE PIA_PORTA;
extern UBYTE PIA_PORTB;
extern UBYTE PIA_PORTA_mask;
extern UBYTE PIA_PORTB_mask;
extern UBYTE PIA_PORT_input[2];
extern int PIA_CA2;
extern int PIA_CB2;
extern int PIA_IRQ;
int PIA_Initialise(int *argc, char *argv[]);
void PIA_Reset(void);
UBYTE PIA_GetByte(UWORD addr, int no_side_effects);
void PIA_PutByte(UWORD addr, UBYTE byte);
void PIA_StateSave(void);
void PIA_StateRead(UBYTE version);
#endif /* PIA_H_ */