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The Very Best of Atari Inside
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The Very Best of Atari Inside 1.iso
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mgr_2
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atari
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rops.c
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C/C++ Source or Header
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1989-09-26
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987b
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51 lines
/* test random bitblit functions (S. A. Uhler) */
#include <stdio.h>
#include "bitmap.h"
#define message(x) \
if(bit_debug){printf("%s\n",x);fflush(stdout);}
#define FRACTION 850 /* maximum blit size (parts/1000)*/
int bit_debug = 0;
main(argc,argv)
char **argv;
{
register BITMAP *screen;
register int x,y,w,h,op,xs,ys;
int maxx, maxy;
int min,max;
int count;
bit_debug = getenv("DEBUG");
screen = bit_open("/dev/bwtwo0");
if (argc < 3) {
printf("usage: %s min_size max_size count\n",*argv);
exit(1);
}
min = atoi(argv[1]);
max = atoi(argv[2]);
count = atoi(argv[3]);
if (min >= max)
max = min +1;
maxx = max-min;
maxy = max-min;
while (count-- > 0) {
op = random()&15;
w = min + random()%maxx;
h = min + random()%maxy;
x = random()%(BIT_WIDE(screen)-w);
y = random()%(BIT_HIGH(screen)-h);
xs = random()%(BIT_WIDE(screen)-w);
ys= random()%(BIT_HIGH(screen)-h);
mem_rop(screen,x,y,w,h,op,screen,xs,ys);
}
}