mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-01 01:06:33 +00:00
73 lines
1.2 KiB
C
73 lines
1.2 KiB
C
#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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static unsigned char colors[]={0,0,5,8,1,9,13,15};
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#define YSIZE 20
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static unsigned char framebuffer[YSIZE][80];
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int main(int argc, char **argv) {
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int ch,xx,yy,col,newc,r;
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int i,j;
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grsim_init();
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gr();
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clear_screens();
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for(j=0;j<YSIZE-1;j++)
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for(i=0;i<80;i++)
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framebuffer[j][i]=0x0;
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for(i=0;i<80;i++) framebuffer[YSIZE-1][i]=0x7;
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ram[DRAW_PAGE]=0x0;
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while(1) {
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/* activate fire */
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for(yy=0;yy<YSIZE-1;yy++) {
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for(xx=0;xx<80;xx++) {
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r=rand()&2;
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if (r==0) r=-1;
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else if (r==3) r=1;
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else r=0;
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newc=framebuffer[yy+1][xx+r]-
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(rand()&1);
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if (newc<0) newc=0;
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framebuffer[yy][xx]=newc;
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}
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}
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/* copy to framebuffer */
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for(yy=0;yy<YSIZE;yy++) {
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for(xx=0;xx<80;xx+=2) {
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col=((framebuffer[yy][xx]+
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framebuffer[yy][xx+1])/2);
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// if (xx==0) printf("Row %d color=%d\n",yy,col/2);
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color_equals(colors[col]);
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plot(xx/2,yy+(23-(YSIZE/2)));
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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(40000);
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}
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return 0;
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}
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