mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-30 22:32:48 +00:00
68 lines
931 B
C
68 lines
931 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "gr-sim.h"
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int main(int argc, char **argv) {
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int xx,yy,ch;
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grsim_init();
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home();
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hgr();
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/* Put horizontal lines on screen */
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for(yy=0;yy<100;yy++) {
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hcolor_equals(yy%8);
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hplot(yy,yy);
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hplot_to(200,yy);
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}
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/* Put vertical lines on screen */
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for(xx=0;xx<100;xx+=2) {
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hcolor_equals((xx%16)/2);
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hplot(xx,159);
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hplot_to(xx,100);
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}
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/* Put vertical lines on screen */
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for(xx=0;xx<100;xx+=2) {
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hcolor_equals((xx%16)/2);
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hplot(xx,0);
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hplot_to(xx,30);
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}
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/* Put diagonal lines on screen */
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for(xx=100;xx<200;xx+=5) {
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hcolor_equals(3);
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hplot(150,100);
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hplot_to(xx,50);
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hplot(150,100);
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hplot_to(xx,150);
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}
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while(1) {
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grsim_update();
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ch=grsim_input();
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if (ch=='q') break;
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usleep(100000);
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}
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#if 0
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int i;
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printf("20D0: ");
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for(i=0;i<16;i++) printf("%x ",ram[0x20d0+i]);
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printf("\n");
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#endif
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return 0;
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}
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