dosbox-wii/include/cpu.h
2009-05-02 21:12:18 +00:00

87 lines
1.9 KiB
C

/*
* Copyright (C) 2002 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __CPU_H
#define __CPU_H
#include <dosbox.h>
#include <regs.h>
#include <mem.h>
/* Some common Defines */
/* A CPU Handler */
typedef Bitu (CPU_Decoder)(Bitu count);
extern CPU_Decoder * cpudecoder;
extern Bit32u cpu_cycles;
//CPU Stuff
void SetCPU16bit();
//Types of Flag changing instructions
enum {
t_ADDb=0,t_ADDw,t_ADDd,
t_ORb,t_ORw,t_ORd,
t_ADCb,t_ADCw,t_ADCd,
t_SBBb,t_SBBw,t_SBBd,
t_ANDb,t_ANDw,t_ANDd,
t_SUBb,t_SUBw,t_SUBd,
t_XORb,t_XORw,t_XORd,
t_CMPb,t_CMPw,t_CMPd,
t_INCb,t_INCw,t_INCd,
t_DECb,t_DECw,t_DECd,
t_TESTb,t_TESTw,t_TESTd,
t_SHLb,t_SHLw,t_SHLd,
t_SHRb,t_SHRw,t_SHRd,
t_SARb,t_SARw,t_SARd,
t_ROLb,t_ROLw,t_ROLd,
t_RORb,t_RORw,t_RORd,
t_RCLb,t_RCLw,t_RCLd,
t_RCRb,t_RCRw,t_RCRd,
t_NEGb,t_NEGw,t_NEGd,
t_CF,t_ZF,
t_DSHLw,t_DSHLd,
t_DSHRw,t_DSHRd,
t_MUL,t_DIV,
t_UNKNOWN,
t_NOTDONE,
};
enum { rep_NONE,rep_Z,rep_NZ };
void Interrupt(Bit8u num);
//Flag Handling
bool get_CF(void);
bool get_AF(void);
bool get_ZF(void);
bool get_SF(void);
bool get_OF(void);
bool get_PF(void);
#define LoadCF flags.cf=get_CF();
#define LoadZF flags.zf=get_ZF();
#define LoadSF flags.sf=get_SF();
#define LoadOF flags.of=get_OF();
#endif