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/**************************************************************************\
* Alpha8201 Emulator *
* *
* Copyright Tatsuyuki Satoh *
* Originally written for the MAME project. *
* *
* *
\**************************************************************************/
#ifndef _ALPH8202_H
#define _ALPH8202_H
#ifndef INLINE
#define INLINE static inline
#endif
#include "cpuintrf.h"
enum {
ALPHA8201_PC=1,
ALPHA8201_SP,
ALPHA8201_RB,
ALPHA8201_MB,
//
ALPHA8201_CF,
ALPHA8201_ZF,
//
ALPHA8201_IX0,
ALPHA8201_IX1,
ALPHA8201_IX2,
ALPHA8201_LP0,
ALPHA8201_LP1,
ALPHA8201_LP2,
ALPHA8201_A,
ALPHA8201_B,
//
ALPHA8201_R0,ALPHA8201_R1,ALPHA8201_R2,ALPHA8201_R3,
ALPHA8201_R4,ALPHA8201_R5,ALPHA8201_R6,ALPHA8201_R7
};
extern void ALPHA8201_get_info(UINT32 state, cpuinfo *info);
extern void ALPHA8301_get_info(UINT32 state, cpuinfo *info);
/*
* Read a UINT8 from given memory location
*/
#define ALPHA8201_RDMEM(A) ((unsigned)program_read_byte_8(A))
/*
* Write a UINT8 to given memory location
*/
#define ALPHA8201_WRMEM(A,V) (program_write_byte_8(A,V))
/*
* ALPHA8201_RDOP() is identical to ALPHA8201_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 ALPHA8201_RDOP(A) ((unsigned)cpu_readop(A))
/*
* ALPHA8201_RDOP_ARG() is identical to ALPHA8201_RDOP() except it is used for reading
* opcode arguments. This difference can be used to support systems that
* use different encoding mechanisms for opcodes and opcode arguments
*/
#define ALPHA8201_RDOP_ARG(A) ((unsigned)cpu_readop_arg(A))
#ifdef MAME_DEBUG
offs_t ALPHA8201_dasm(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram);
#endif
#endif /* _ALPHA8201_H */
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