mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-06-27 07:29:29 +00:00
116 lines
1.9 KiB
C
116 lines
1.9 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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//{15,14,7,6,2,3,0,0};
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static unsigned char colors[]={0,0,3,2,6,7,14,15};
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#define YSIZE 20
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static unsigned char framebuffer[YSIZE][40];
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int main(int argc, char **argv) {
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int ch,xx,yy,col,newc,r,q;
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int i,j,line=1;
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int a=0xf, b=0x8, c=0x0;
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int volume;
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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<40;i++)
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framebuffer[j][i]=0x0;
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for(i=0;i<40;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<40;xx++) {
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if (xx<13) volume=a;
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else if (xx<26) volume=b;
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else volume=c;
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/* R is left/right movement */
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r=rand()&3;
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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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if (xx==0) r=0;
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if (xx==39) r=0;
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/* Q is up propogate speed movement */
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q=rand()&3;
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if (volume<6) {
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/* Q=1 3/4 of time */
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if (q==0) q=0;
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else q=1;
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}
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else if (volume<12) {
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/* Q=1 1/2 of time */
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if (q<2) q=0;
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else q=1;
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}
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else {
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/* Q=1 1/4 of time */
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if (q<3) q=0;
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else q=1;
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}
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newc=framebuffer[yy+1][xx+r]-
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q;
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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<40;xx+=1) {
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col=framebuffer[yy][xx];
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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,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(20000);
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if (ch==' ') {
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line=!line;
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if (line==1)
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for(i=0;i<40;i++) framebuffer[YSIZE-1][i]=0x7;
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else
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for(i=0;i<40;i++) framebuffer[YSIZE-1][i]=0x0;
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}
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}
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return 0;
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}
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