valter/dosbox-staging
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New IRQ Code to not get stuck in endless loops.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@280
This commit is contained in:
Sjoerd van der Berg 2002-09-16 13:26:33 +00:00
parent 69fb6bdbda
commit 5252435b78
1 changed files with 21 additions and 27 deletions
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48
src/dosbox.cpp
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@ -106,8 +106,9 @@ static Bitu Normal_Loop(void) {
PIC_runIRQs();
Bitu ret;
do {
PIC_IRQAgain=false;
ret=(*cpudecoder)(cpu_cycles);
} while (!ret && TimerAgain);
} while (!ret && PIC_IRQAgain);
return ret;
};
@ -158,9 +159,9 @@ static void InitSystems(void) {
JOYSTICK_Init();
SBLASTER_Init();
// TANDY_Init();
// PCSPEAKER_Init();
PCSPEAKER_Init();
ADLIB_Init();
// CMS_Init();
CMS_Init();
PLUGIN_Init();
/* Most of the interrupt handlers */
@ -175,33 +176,29 @@ void DOSBOX_Init(int argc, char* argv[]) {
/* Find the base directory */
SHELL_AddAutoexec("SET PATH=Z:\\");
SHELL_AddAutoexec("SET COMSPEC=Z:\\COMMAND.COM");
strcpy(dosbox_basedir,argv[0]);
strcpy(dosbox_basedir,argv[0]);
char * last=strrchr(dosbox_basedir,CROSS_FILESPLIT); //if windowsversion fails:
if (!last){
getcwd(dosbox_basedir,CROSS_LEN);
char a[2];
a[0]=CROSS_FILESPLIT;
a[1]='\0';
strcat(dosbox_basedir,a);
if (!last) {
getcwd(dosbox_basedir,CROSS_LEN);
char a[2];
a[0]=CROSS_FILESPLIT;
a[1]='\0';
strcat(dosbox_basedir,a);
} else {
*++last=0;
*++last=0;
}
/* Parse the command line with a setup function */
int argl=1;
if (argc>1) {
if (*argv[1]!='-') {
char mount_buffer[CROSS_LEN];
if( (*argv[1]=='/') ||
(*argv[1]=='.') ||
(*argv[1]=='~') ||
(*(argv[1]+1) ==':') ) {
strcpy(mount_buffer,argv[1]);
} else {
getcwd(mount_buffer,CROSS_LEN);
strcat(mount_buffer,argv[1]);
};
char mount_buffer[CROSS_LEN];
if( (*argv[1]=='/') || (*argv[1]=='.') || (*argv[1]=='~') || (*(argv[1]+1) ==':') ) {
strcpy(mount_buffer,argv[1]);
} else {
getcwd(mount_buffer,CROSS_LEN);
strcat(mount_buffer,argv[1]);
};
struct stat test;
if (stat(mount_buffer,&test)) {
E_Exit("%s Doesn't exist",mount_buffer);
@ -231,14 +228,11 @@ void DOSBOX_Init(int argc, char* argv[]) {
argl++;
continue;
}
SHELL_AddAutoexec(argv[argl]);
SHELL_AddAutoexec(argv[argl]);
if (sw_c) {
}
argl++;
}
InitSystems();
}