mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-06-02 19:42:23 +00:00
56 lines
930 B
C
56 lines
930 B
C
/* Note, based on info from http://fabiensanglard.net/doom_fire_psx/ */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <math.h>
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#include "tfv_zp.h"
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#include "gr-sim.h"
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// 0 1 2 3 4 5 6 7
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unsigned char colors[]={15,13,9,1,8,5,0,0};
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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unsigned char reverse[]={6,3,6,6,6,5,6,6,4,2,6, 6, 6, 1, 6, 0};
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int main(int argc, char **argv) {
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int ch,xx,yy,col,r;
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grsim_init();
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gr();
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clear_screens();
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color_equals(15);
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hlin(0,0,40,39);
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ram[DRAW_PAGE]=0x0;
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while(1) {
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for(yy=0;yy<39;yy++) {
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for(xx=1;xx<39;xx++) {
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r=rand()&3;
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col=scrn(xx,yy+1);
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col=reverse[col];
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color_equals(colors[col+(r&1)]);
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plot(xx,yy);
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//plot(xx-r+2,yy);
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// printf("plot %d,%d = %d\n",xx,yy,colors[col]);
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}
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}
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grsim_update();
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ch=grsim_input();
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if (ch=='q') exit(0);
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usleep(20000);
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}
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return 0;
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}
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