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Cream of the Crop 1
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Cream of the Crop 1.iso
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PROGRAM
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DJLGR106.ARJ
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TEXT.C
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C/C++ Source or Header
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1991-07-21
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49 lines
/* This is file TEXT.C */
/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#include "sys/registers.h"
static unsigned char *font=0;
#define CHARHEIGHT 16
GrTextXY(int x, int y, char *text, int fg, int bg)
{
REGISTERS reg;
unsigned char *fp;
int r, c, bits;
if (font == 0)
{
reg.ax = 0x1130;
reg.bx = 0x0600;
int10(®);
font = (unsigned char *)reg.bp;
}
while (*text)
{
fp = font + CHARHEIGHT * *(unsigned char *)text;
for (r=0; r<CHARHEIGHT; r++)
{
bits = *fp++;
for (c=0; c<8; c++)
if (bits & (0x80>>c))
GrPlot(x+c, y+r, fg);
else
GrPlot(x+c, y+r, bg);
}
text++;
x += 8;
}
}