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/*** m6805: Portable 6805 emulator ******************************************/
#pragma once
#ifndef __M6805_H__
#define __M6805_H__
#include "cpuintrf.h"
enum { M6805_PC=1, M6805_S, M6805_CC, M6805_A, M6805_X, M6805_IRQ_STATE };
#define M6805_IRQ_LINE 0
extern CPU_GET_INFO( m6805 );
#define CPU_M6805 CPU_GET_INFO_NAME( m6805 )
/****************************************************************************
* 68705 section
****************************************************************************/
#if (HAS_M68705)
#define M68705_A M6805_A
#define M68705_PC M6805_PC
#define M68705_S M6805_S
#define M68705_X M6805_X
#define M68705_CC M6805_CC
#define M68705_IRQ_STATE M6805_IRQ_STATE
#define M68705_INT_MASK 0x03
#define M68705_IRQ_LINE M6805_IRQ_LINE
#define M68705_INT_TIMER 0x01
extern CPU_GET_INFO( m68705 );
#define CPU_M68705 CPU_GET_INFO_NAME( m68705 )
#endif
/****************************************************************************
* HD63705 section
****************************************************************************/
#if (HAS_HD63705)
#define HD63705_A M6805_A
#define HD63705_PC M6805_PC
#define HD63705_S M6805_S
#define HD63705_X M6805_X
#define HD63705_CC M6805_CC
#define HD63705_NMI_STATE M6805_IRQ_STATE
#define HD63705_IRQ1_STATE M6805_IRQ_STATE+1
#define HD63705_IRQ2_STATE M6805_IRQ_STATE+2
#define HD63705_ADCONV_STATE M6805_IRQ_STATE+3
#define HD63705_INT_MASK 0x1ff
#define HD63705_INT_IRQ1 0x00
#define HD63705_INT_IRQ2 0x01
#define HD63705_INT_TIMER1 0x02
#define HD63705_INT_TIMER2 0x03
#define HD63705_INT_TIMER3 0x04
#define HD63705_INT_PCI 0x05
#define HD63705_INT_SCI 0x06
#define HD63705_INT_ADCONV 0x07
#define HD63705_INT_NMI 0x08
extern CPU_GET_INFO( hd63705 );
#define CPU_HD63705 CPU_GET_INFO_NAME( hd63705 )
#endif
/****************************************************************************/
/* Read a byte from given memory location */
/****************************************************************************/
#define M6805_RDMEM(Addr) ((unsigned)memory_read_byte_8be(cpustate->program, Addr))
/****************************************************************************/
/* Write a byte to given memory location */
/****************************************************************************/
#define M6805_WRMEM(Addr,Value) (memory_write_byte_8be(cpustate->program, Addr,Value))
/****************************************************************************/
/* M6805_RDOP() is identical to M6805_RDMEM() except it is used for reading */
/* opcodes. In case of system with memory mapped I/O, this function can be */
/* used to greatly speed up emulation */
/****************************************************************************/
#define M6805_RDOP(Addr) ((unsigned)memory_decrypted_read_byte(cpustate->program, Addr))
/****************************************************************************/
/* M6805_RDOP_ARG() is identical to M6805_RDOP() but it's used for reading */
/* opcode arguments. This difference can be used to support systems that */
/* use different encoding mechanisms for opcodes and opcode arguments */
/****************************************************************************/
#define M6805_RDOP_ARG(Addr) ((unsigned)memory_raw_read_byte(cpustate->program, Addr))
CPU_DISASSEMBLE( m6805 );
#endif /* __M6805_H__ */
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