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Use dosuname to detect the DOS kind and version.

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This commit is contained in:
Natalia Portillo
2021-03-11 05:39:01 +00:00
parent 35c64bca84
commit 4907884a88
2 changed files with 61 additions and 33 deletions
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2
setter/src/dos/dosuname.h
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@@ -87,4 +87,6 @@ struct dosuname_version_t
int softice_minor;
};
void getdosver(struct dosuname_version_t* version);
#endif // DOS_DOSUNAME_H_

92
setter/src/dos/os.c
View File

@@ -29,7 +29,6 @@ Copyright (C) 2011-2021 Natalia Portillo
#if defined(__DOS__) || defined(MSDOS)
#include <dos.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -40,46 +39,73 @@ Copyright (C) 2011-2021 Natalia Portillo
#include "../include/defs.h"
#include "dos.h"
#include "dosuname.h"
void GetOsInfo()
{
union REGS regs;
unsigned char major, minor;
struct dosuname_version_t dosuname_version;
regs.w.ax = 0x3306;
memset(&dosuname_version, 0, sizeof(struct dosuname_version_t));
int86(0x21, &regs, &regs);
getdosver(&dosuname_version);
if(regs.h.al == 0xFF || (regs.w.ax == 0x1 && regs.w.cflag))
switch(dosuname_version.flavor)
{
memset(&regs, 0, sizeof(regs));
regs.w.ax = 0x3000;
int86(0x21, &regs, &regs);
major = regs.h.al;
minor = regs.h.ah;
case DOS_FLAVOR_UNKNOWN:
printf("OS information:\n");
printf("\tRunning under DOS %d.%d\n", dosuname_version.major, dosuname_version.minor);
break;
case DOS_FLAVOR_MSDOS:
printf("OS information:\n");
printf("\tRunning under MS-DOS %d.%d\n", dosuname_version.major, dosuname_version.minor);
break;
case DOS_FLAVOR_PCDOS:
printf("OS information:\n");
printf("\tRunning under PC-DOS %d.%d\n", dosuname_version.major, dosuname_version.minor);
break;
case DOS_FLAVOR_DRDOS:
printf("OS information:\n");
printf("\tRunning under DR-DOS %d.%d\n", dosuname_version.major, dosuname_version.minor);
break;
case DOS_FLAVOR_FREEDOS:
printf("OS information:\n");
printf("\tRunning under FreeDOS %d.%d\n", dosuname_version.major, dosuname_version.minor);
break;
case DOS_FLAVOR_WIN95:
case DOS_FLAVOR_WIN9X:
case DOS_FLAVOR_WINME:
printf("Will not run under Windows 9x. Exiting...\n");
exit(1);
break;
case DOS_FLAVOR_WINNT:
printf("Will not run under Windows NT. Exiting...\n");
exit(1);
break;
case DOS_FLAVOR_OS2:
printf("Will not run under OS/2. Exiting...\n");
exit(1);
break;
case DOS_FLAVOR_PTSDOS:
printf("OS information:\n");
printf("\tRunning under PTS-DOS %d.%d\n", dosuname_version.major, dosuname_version.minor);
break;
case DOS_FLAVOR_RXDOS:
printf("OS information:\n");
printf("\tRunning under RxDOS %d.%d\n", dosuname_version.major, dosuname_version.minor);
break;
case DOS_FLAVOR_CONCURRENTDOS:
printf("OS information:\n");
printf("\tRunning under Concurrent DOS %d.%d\n", dosuname_version.major, dosuname_version.minor);
break;
case DOS_FLAVOR_NOVELLDOS:
printf("OS information:\n");
printf("\tRunning under Novell DOS %d.%d\n", dosuname_version.major, dosuname_version.minor);
break;
case DOS_FLAVOR_MSPCDOS:
printf("OS information:\n");
printf("\tRunning under MS-DOS or PC-DOS %d.%d\n", dosuname_version.major, dosuname_version.minor);
break;
}
else
{
major = regs.h.bl;
minor = regs.h.bh;
}
if(major == 10 || major == 20)
{
printf("Will not run under OS/2. Exiting...\n");
exit(1);
}
if(major == 5 && minor == 50)
{
printf("Will not run under Windows NT. Exiting...\n");
exit(1);
}
if(major == 0) major = 1;
printf("OS information:\n");
printf("\tRunning under DOS %d.%d\n", major, minor);
}
#endif