archives/gates_of_skeldal
2
0
Fork 0
mirror of https://github.com/ondra-novak/gates_of_skeldal.git synced 2025-07-20 05:04:53 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

github publish

Browse source
This commit is contained in:
Ondrej Novak 2025-01-24 18:27:22 +01:00
commit 506e23bf32
542 changed files with 120675 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

71
VIDEO/FLC/DOSMEM.C Normal file
View file

@ -0,0 +1,71 @@
/*********************************************/
/*** DOS memory allocation - DOSMEM.C ***/
/*** vykostena verze chlumakova memalloc.c ***/
/*********************************************/
#include <dos.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "dosmem.h"
/*** Alokace pole v dolni pameti ***/
void *mem_alloc(int size)
{
static union REGS r;
MEMREC memrec;
r.x.eax=0x0100;
r.x.ebx=(size>>4)+1;
size=r.x.ebx<<4;
int386(0x31,&r,&r);
if (r.x.cflag)
{
printf ("No fucking DOS memory left!!!");
exit(1);
}
memrec.ptr=(void *)((r.x.eax&0xFFFF)<<4);
Selector=memrec.selector=(short int)r.x.edx;
return memrec.ptr;
}
/*** Uvolneni dolni pameti ***/
void mem_free(void *ptr)
{
union REGS r;
if(ptr!=NULL)
{
r.x.eax=0x0101;
r.x.edx=Selector;
int386(0x31,&r,&r);
if(r.x.cflag)
printf("Cannot free DOS memory!!!!");
}
}
/*** Vyvolani preruseni pomoci protected modu ***/
void WtNs386(int IntNum, DPMIREGS *dpmiregs)
{
union REGS r;
struct SREGS sr;
r.w.ax=0x300;
r.h.bl=(char)IntNum;
r.h.bh=0;
r.w.cx=0;
segread(&sr);
sr.es=FP_SEG(dpmiregs);
r.x.edi=FP_OFF(dpmiregs);
int386x(0x31,&r,&r,&sr);
}