dosbox-wii/src/cpu/core_full.cpp
2021-02-06 16:06:31 +01:00

100 lines
2.4 KiB
C++

/*
* Copyright (C) 2002-2019 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 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "dosbox.h"
#include "pic.h"
#include "regs.h"
#include "cpu.h"
#include "lazyflags.h"
#include "paging.h"
#include "fpu.h"
#include "debug.h"
#include "inout.h"
#include "callback.h"
typedef PhysPt EAPoint;
#define SegBase(c) SegPhys(c)
#define LoadMb(off) mem_readb_inline(off)
#define LoadMw(off) mem_readw_inline(off)
#define LoadMd(off) mem_readd_inline(off)
#define LoadMbs(off) (Bit8s)(LoadMb(off))
#define LoadMws(off) (Bit16s)(LoadMw(off))
#define LoadMds(off) (Bit32s)(LoadMd(off))
#define SaveMb(off,val) mem_writeb_inline(off,val)
#define SaveMw(off,val) mem_writew_inline(off,val)
#define SaveMd(off,val) mem_writed_inline(off,val)
#define LoadD(reg) reg
#define SaveD(reg,val) reg=val
#include "core_full/loadwrite.h"
#include "core_full/support.h"
#include "core_full/optable.h"
#include "instructions.h"
#define EXCEPTION(blah) \
{ \
Bit8u new_num=blah; \
CPU_Exception(new_num,0); \
continue; \
}
Bits CPU_Core_Full_Run(void) {
FullData inst;
while (CPU_Cycles-->0) {
#if C_DEBUG
cycle_count++;
#if C_HEAVY_DEBUG
if (DEBUG_HeavyIsBreakpoint()) {
FillFlags();
return debugCallback;
};
#endif
#endif
LoadIP();
inst.entry=cpu.code.big*0x200;
inst.prefix=cpu.code.big;
restartopcode:
inst.entry=(inst.entry & 0xffffff00) | Fetchb();
inst.code=OpCodeTable[inst.entry];
#include "core_full/load.h"
#include "core_full/op.h"
#include "core_full/save.h"
nextopcode:;
SaveIP();
continue;
illegalopcode:
LOG(LOG_CPU,LOG_NORMAL)("Illegal opcode");
CPU_Exception(0x6,0);
}
FillFlags();
return CBRET_NONE;
}
void CPU_Core_Full_Init(void) {
}