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/*
** DOANSI_2.C - OS-Specific ANSI screen code interpreter functions
**
** From DRSK_105.LZH (ansi.c), hereby declared free for use for whatever
** purposes by author: Mark Kimes
*/
#ifdef OS2
#define INCL_DOS
#define INCL_VIO
#include <os2.h>
int vidhandle = 0; /* can be changed for AVIO */
void set_screensize (int reservedlines)
{
VIOMODEINFO vm;
vm.cb = sizeof(VIOMODEINFO);
VioGetMode(&vm, vidhandle);
maxx = vm.col;
maxy = vm.row - reservedlines;
realmaxx = maxx;
realmaxy = vm.row;
}
void pos_hardcursor (int x,int y)
{
VioSetCurPos(y,x,vidhandle);
}
void hardcursor_off (void)
{
VIOCURSORINFO vc;
VioGetCurType(&vc,vidhandle);
vc.attr = -1;
VioSetCurType(&vc,vidhandle);
}
void hardcursor_on (int x,int y)
{
VIOCURSORINFO vc;
VioGetCurType(&vc,vidhandle);
vc.attr = 0;
VioSetCurType(&vc,vidhandle);
VioSetCurPos(y,x,vidhandle);
}
void put_char (char c, char attr, int x, int y)
{
VioWrtCharStrAtt(&c,1,y,x,&attr,vidhandle);
}
void scroll_up (int tx,int ty,int bx,int by,char attr)
{
int attrib = ' ' | (attr << 8);
VioScrollUp(ty,tx,by,bx,1,(char *)&attrib,vidhandle);
}
void clearwindow (int tx,int ty,int bx,int by,char attr)
{
int attrib = ' ' | (attr << 8);
VioScrollUp(ty,tx,by,bx,-1,(char *)&attrib,vidhandle);
}
void cleartoeol (int x,int y,int ex,char attr)
{
int attrib = ' ' | (attr << 8);
VioScrollUp(y,x,y,ex,-1,(char *)&attrib,vidhandle);
}
#else
/* MS-DOS -- (urp) */
#include <dos.h>
#if !defined(MK_FP)
#define MK_FP(seg,off) ((void far *)(((long)(seg) << 16)|(unsigned)(off)))
#endif
static int far *vseg;
int realmaxy,realmaxx;
char usebios = 0; /* if true, output through BIOS */
int vmode (void)
{
union REGS r;
r.h.ah = 15;
r.x.bx = 0;
int86(0x10,&r,&r);
return r.h.al;
}
void set_screensize (int reservedlines)
{
union REGS r;
unsigned int vbase;
r.h.ah = 0x0f;
r.x.bx = 0;
int86 (0x10, &r, &r);
maxx = (int) r.h.ah;
if (maxx < 80) /* gimme a break! */
{
r.x.ax = 0x0003;
int86(0x10,&r,&r);
maxx = 80;
}
realmaxx = maxx;
r.x.ax = 0x1130;
r.x.dx = maxy;
int86 (0x10, &r, &r);
realmaxy = maxy = (r.x.dx == 0) ? 25 : (r.x.dx + 1);
maxy -= reservedlines;
vbase = (vmode () == 7 ? 0xb000 : 0xb800);
vseg = MK_FP(vbase,0); /* address of video ram as pointer */
}
void pos_hardcursor (int x,int y)
{
union REGS r;
r.x.ax = 0x0200;
r.x.bx = 0;
r.x.dx = ((y << 8) & 0xff00) + x;
int86(0x10,&r,&r);
}
void hardcursor_off (void)
{
union REGS r;
r.x.ax = 0x0200;
r.x.bx = 0;
r.x.dx = ((realmaxy << 8) & 0xff00);
int86(0x10,&r,&r);
}
void hardcursor_on (int x,int y)
{
union REGS r;
r.x.ax = 0x0200;
r.x.bx = 0;
r.x.dx = ((y << 8) & 0xff00) + x;
int86(0x10,&r,&r);
}
void put_char (char c, char attr, int x, int y)
{
if(!usebios)
{
register int far *v;
/* point v to right spot in vid RAM */
v = vseg + ((y * realmaxx) + x);
*v = (c | (attr << 8)); /* display */
}
else
{
union REGS r;
r.x.ax = 0x0200;
r.x.bx = 0;
r.x.dx = ((y << 8) & 0xff00) + x;
int86(0x10,&r,&r);
r.h.ah = 0x09;
r.h.bh = 0;
r.h.bl = attr;
r.x.cx = 1;
r.h.al = c;
int86(0x10,&r,&r);
}
}
void scroll_up (int tx,int ty,int bx,int by,char attr)
{
union REGS r;
r.h.ah = 6;
r.h.al = 1;
r.h.bh = attr;
r.h.cl = tx;
r.h.ch = ty;
r.h.dl = bx;
r.h.dh = by;
int86(0x10,&r,&r);
}
void clearwindow (int tx,int ty,int bx,int by,char attr)
{
union REGS r;
r.h.ah = 6;
r.h.al = 0;
r.h.bh = attr;
r.h.cl = tx;
r.h.ch = ty;
r.h.dl = bx;
r.h.dh = by;
int86(0x10,&r,&r);
}
void cleartoeol (int x,int y,int ex,char attr)
{
union REGS r;
r.h.ah = 6;
r.h.al = 0;
r.h.bh = attr;
r.h.cl = x;
r.h.ch = y;
r.h.dl = ex;
r.h.dh = y;
int86(0x10,&r,&r);
}
#endif
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