cz80_support.h

#ifndef Z80_H
#define Z80_H

#ifdef __cplusplus
extern "C" {
#endif

/* daisy-chain link */
typedef struct
{
   void (*reset)(int);             /* reset callback     */
   int  (*interrupt_entry)(int);   /* entry callback     */
   void (*interrupt_reti)(int);    /* reti callback      */
   int irq_param;                  /* callback paramater */
} Z80_DaisyChain;

#define Z80_MAXDAISY	4		/* maximum of daisy chan device */

#define Z80_INT_REQ     0x01    /* interrupt request mask       */
#define Z80_INT_IEO     0x02    /* interrupt disable mask(IEO)  */

#define Z80_VECTOR(device,state) (((device)<<8)|(state))


#define Z80_IGNORE_INT	-1 /* Ignore interrupt */
#define Z80_NMI_INT 	-2 /* Execute NMI */
#define Z80_IRQ_INT 	-1000 /* Execute IRQ */

extern unsigned Z80_GetPC (void); /* Get program counter */
extern int Z80_GetPreviousPC (void);
extern void Z80_Init(void);
extern void Z80_Reset(void);
extern int Z80_Execute(int cycles); /* Execute cycles T-States - returns number of cycles actually run */
extern int Z80_Interrupt(void);
extern void Z80_Cause_Interrupt(int type);
extern void Z80_Clear_Pending_Interrupts(void);
extern void Interrupt(void); /* required for DrZ80 int hack */

#ifdef __cplusplus
} /* End of extern "C" */
#endif

#endif