First CVS upload.
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@80
This commit is contained in:
Sjoerd van der Berg
parent
7d1ca9bdd4
commit
42e5d0b779
158 changed files with 42940 additions and 0 deletions
297
src/dosbox.cpp
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297
src/dosbox.cpp
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/*
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* Copyright (C) 2002 The DOSBox Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include "dosbox.h"
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#include "debug.h"
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#include "cpu.h"
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#include "video.h"
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#include "pic.h"
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#include "cpu.h"
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#include "callback.h"
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#include "inout.h"
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#include "mixer.h"
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#include "timer.h"
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#include "dos_inc.h"
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#include "setup.h"
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#include "cross.h"
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#include "programs.h"
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char dosbox_basedir[CROSS_LEN];
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#if 0
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int main(int argc, char* argv[]) {
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/* Strip out the dosbox startup directory */
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/* Handle the command line for new stuff to add to autoexec.bat */
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int argl=1;
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if (argc>1) {
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if (*argv[1]!='-') {
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struct stat test;
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if (stat(argv[1],&test)) {
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E_Exit("%s Doesn't exist",argv[1]);
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}
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/* Not a switch so a normal directory/file */
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if (test.st_mode & S_IFDIR) {
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SHELL_AddAutoexec("MOUNT C %s",argv[1]);
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SHELL_AddAutoexec("C:");
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} else {
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char * name=strrchr(argv[1],CROSS_FILESPLIT);
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if (!name) E_Exit("This is weird %s",argv[1]);
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*name++=0;
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if (access(argv[1],F_OK)) E_Exit("Illegal Directory %s",argv[1]);
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SHELL_AddAutoexec("MOUNT C %s",argv[1]);
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SHELL_AddAutoexec("C:");
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SHELL_AddAutoexec(name);
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}
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argl++;
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}
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}
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bool sw_c=false;
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while (argl<argc) {
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if (*argv[argl]=='-') {
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sw_c=false;
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if (strcmp(argv[argl],"-c")==0) sw_c=true;
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else E_Exit("Illegal switch %s",argv[argl]);
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argl++;
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continue;
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}
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SHELL_AddAutoexec(argv[argl]);
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if (sw_c) {
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}
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argl++;
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}
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SysShutDown();
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SDL_Quit();
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return 0;
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}
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#endif
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//The whole load of startups for all the subfunctions
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void MSG_Init(void);
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void MEM_Init(void);
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void VGA_Init(void);
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void CALLBACK_Init();
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void DOS_Init();
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void RENDER_Init(void);
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void CPU_Init();
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void FPU_Init();
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void IO_Init(void);
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void DMA_Init(void);
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void MIXER_Init(void);
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void HARDWARE_Init(void);
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void KEYBOARD_Init(void); //TODO This should setup INT 16 too but ok ;)
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void JOYSTICK_Init(void);
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void MOUSE_Init(void);
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void SBLASTER_Init(void);
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void ADLIB_Init(void);
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void PCSPEAKER_Init(void);
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void TANDY_Init(void);
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void CMS_Init(void);
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void PIC_Init(void);
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void TIMER_Init(void);
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void BIOS_Init(void);
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void DEBUG_Init(void);
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void PLUGIN_Init(void);
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/* Dos Internal mostly */
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void EMS_Init(void);
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void XMS_Init(void);
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void PROGRAMS_Init(void);
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void SHELL_Init(void);
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void CALLBACK_ShutDown(void);
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void PIC_ShutDown(void);
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void KEYBOARD_ShutDown(void);
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void CPU_ShutDown(void);
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void VGA_ShutDown(void);
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void BIOS_ShutDown(void);
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void MEMORY_ShutDown(void);
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Bit32u LastTicks;
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static LoopHandler * loop;
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static Bitu Normal_Loop(void) {
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Bit32u new_ticks;
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new_ticks=GetTicks();
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if (new_ticks>LastTicks) {
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Bit32u ticks=new_ticks-LastTicks;
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if (ticks>20) ticks=20;
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LastTicks=new_ticks;
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TIMER_AddTicks(ticks);
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}
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TIMER_CheckPIT();
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GFX_Events();
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PIC_runIRQs();
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return (*cpudecoder)(cpu_cycles);
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};
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static Bitu Speed_Loop(void) {
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Bit32u new_ticks;
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new_ticks=GetTicks();
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Bitu ret=0;
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Bitu cycles=1;
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if (new_ticks>LastTicks) {
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Bit32u ticks=new_ticks-LastTicks;
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if (ticks>20) ticks=20;
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// if (ticks>3) LOG_DEBUG("Ticks %d",ticks);
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LastTicks=new_ticks;
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TIMER_AddTicks(ticks);
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cycles+=cpu_cycles*ticks;
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}
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TIMER_CheckPIT();
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GFX_Events();
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PIC_runIRQs();
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return (*cpudecoder)(cycles);
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}
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void DOSBOX_SetLoop(LoopHandler * handler) {
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loop=handler;
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}
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void DOSBOX_RunMachine(void){
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Bitu ret;
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do {
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ret=(*loop)();
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} while (!ret);
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}
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static void InitSystems(void) {
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MSG_Init();
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MEM_Init();
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IO_Init();
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CALLBACK_Init();
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PROGRAMS_Init();
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HARDWARE_Init();
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TIMER_Init();
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CPU_Init();
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FPU_Init();
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MIXER_Init();
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#ifdef C_DEBUG
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DEBUG_Init();
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#endif
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//Start up individual hardware
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DMA_Init();
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PIC_Init();
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VGA_Init();
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KEYBOARD_Init();
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MOUSE_Init();
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JOYSTICK_Init();
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SBLASTER_Init();
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TANDY_Init();
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PCSPEAKER_Init();
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ADLIB_Init();
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CMS_Init();
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PLUGIN_Init();
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/* Most of teh interrupt handlers */
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BIOS_Init();
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DOS_Init();
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EMS_Init(); //Needs dos first
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XMS_Init(); //Needs dos first
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/* Setup the normal system loop */
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LastTicks=GetTicks();
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DOSBOX_SetLoop(&Normal_Loop);
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// DOSBOX_SetLoop(&Speed_Loop);
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}
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void DOSBOX_Init(int argc, char* argv[]) {
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/* Find the base directory */
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strcpy(dosbox_basedir,argv[0]);
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char * last=strrchr(dosbox_basedir,CROSS_FILESPLIT); //if windowsversion fails:
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if (!last) E_Exit("Can't find basedir %s", argv[0]);
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*++last=0;
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/* Parse the command line with a setup function */
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int argl=1;
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if (argc>1) {
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if (*argv[1]!='-') {
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struct stat test;
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if (stat(argv[1],&test)) {
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E_Exit("%s Doesn't exist",argv[1]);
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}
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/* Not a switch so a normal directory/file */
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if (test.st_mode & S_IFDIR) {
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SHELL_AddAutoexec("MOUNT C %s",argv[1]);
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SHELL_AddAutoexec("C:");
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} else {
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char * name=strrchr(argv[1],CROSS_FILESPLIT);
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if (!name) E_Exit("This is weird %s",argv[1]);
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*name++=0;
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if (access(argv[1],F_OK)) E_Exit("Illegal Directory %s",argv[1]);
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SHELL_AddAutoexec("MOUNT C %s",argv[1]);
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SHELL_AddAutoexec("C:");
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SHELL_AddAutoexec(name);
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}
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argl++;
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}
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}
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bool sw_c=false;
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while (argl<argc) {
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if (*argv[argl]=='-') {
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sw_c=false;
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if (strcmp(argv[argl],"-c")==0) sw_c=true;
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else E_Exit("Illegal switch %s",argv[argl]);
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argl++;
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continue;
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}
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SHELL_AddAutoexec(argv[argl]);
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if (sw_c) {
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}
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argl++;
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}
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InitSystems();
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}
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void DOSBOX_StartUp(void) {
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SHELL_AddAutoexec("SET PATH=Z:\\");
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SHELL_AddAutoexec("SET COMSPEC=Z:\\COMMAND.COM");
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SHELL_Init();
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};
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