50 lines
968 B
C
50 lines
968 B
C
/******************************************************************************
|
|
* NewOswan
|
|
* necintrf.h:
|
|
*
|
|
* Based on the original Oswan-unix
|
|
* Copyright (c) 2014-2022 986-Studio. All rights reserved.
|
|
*
|
|
******************************************************************************/
|
|
|
|
/* ASG 971222 -- rewrote this interface */
|
|
#ifndef __NECITRF_H__
|
|
#define __NECITRF_H__
|
|
|
|
#include <stdint.h>
|
|
|
|
enum
|
|
{
|
|
NEC_IP = 1,
|
|
NEC_AW,
|
|
NEC_CW,
|
|
NEC_DW,
|
|
NEC_BW,
|
|
NEC_SP,
|
|
NEC_BP,
|
|
NEC_IX,
|
|
NEC_IY,
|
|
NEC_FLAGS,
|
|
NEC_ES,
|
|
NEC_CS,
|
|
NEC_SS,
|
|
NEC_DS,
|
|
NEC_VECTOR,
|
|
NEC_PENDING,
|
|
NEC_NMI_STATE,
|
|
NEC_IRQ_STATE
|
|
};
|
|
|
|
/* Public variables */
|
|
extern int nec_ICount;
|
|
|
|
/* Public functions */
|
|
void nec_set_irq_line(int irqline, int state);
|
|
void nec_set_reg(int regnum, uint32_t val);
|
|
int nec_execute(int cycles);
|
|
unsigned nec_get_reg(int regnum);
|
|
void nec_reset(void *param);
|
|
void nec_int(uint16_t vector);
|
|
|
|
#endif /* __NECITRF_H__ */
|