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- #include <stdio.h>
- #include <dos.h>
-
- struct CHARDIRECT {
- unsigned type;
- int xht,yht,xwd,ywd;
- };
-
- extern unsigned char gds_fshift;
- extern unsigned gds_wrkoff;
- extern unsigned gds_wrkseg;
-
- int g_chardirection(int xheight,int yheight,int xwidth,int ywidth)
- {
- union REGS reg;
- struct SREGS seg;
- struct {
- unsigned len;
- struct CHARDIRECT chdir;
- } gdata;
-
- segread(&seg);
- reg.h.ah=gds_fshift+0x0f;
- reg.x.di=(unsigned)&gdata;
- seg.ds=seg.ss;
- gdata.len=10;
- gdata.chdir.type=0x5208;
- gdata.chdir.xht=xheight;
- gdata.chdir.yht=yheight;
- gdata.chdir.xwd=xwidth;
- gdata.chdir.ywd=ywidth;
- reg.x.bx=gds_wrkoff;
- seg.es=gds_wrkseg;
- int86x(0x92,®,®,&seg);
- return (int)reg.h.ah;
- }