mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-04 20:06:09 +00:00
124 lines
1.6 KiB
C
124 lines
1.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <math.h>
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#include "gr-sim.h"
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#include "tfv_utils.h"
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#include "tfv_zp.h"
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#define SCALE 8.0
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#define STEP 30
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#define DELTA (STEP/10.0)
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//#define SCALE 4.0
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//#define STEP 45.0
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//#define DELTA (STEP/3.0)
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//#define SCALE 8.0
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//#define STEP 22.5
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//#define DELTA (STEP/3.0)
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static double d2r(double xx) {
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return (xx/180.0)*3.1415926535897932384;
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}
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int main(int argc, char **argv) {
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int xx,yy,ch,i;
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double theta,delta=0.0;
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grsim_init();
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gr();
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// clear_screens();
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ram[DRAW_PAGE]=PAGE0;
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clear_bottom();
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ram[DRAW_PAGE]=PAGE1;
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clear_bottom();
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ram[DRAW_PAGE]=PAGE2;
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clear_bottom();
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// clear_bottom(PAGE0);
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// clear_bottom(PAGE1);
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// clear_bottom(PAGE2);
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// grsim_unrle(demo_rle,0x400);
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// grsim_unrle(demo_rle,0xc00);
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// gr_copy_to_current(0xc00);
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// page_flip();
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// gr_copy_to_current(0xc00);
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// page_flip();
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ram[DRAW_PAGE]=PAGE0;
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while(1) {
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ch=repeat_until_keypressed();
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if (ch=='q') break;
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clear_top();
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for(theta=0;theta<360.0;theta+=STEP) {
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xx=cos(d2r(theta+delta))*SCALE+20;
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yy=sin(d2r(theta+delta))*SCALE*1.33+24;
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#if 1
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color_equals(15);
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plot(xx,yy);
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if (xx<20) {
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color_equals(1);
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for(i=xx;i<(20-xx)+20;i++) {
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plot(i,yy);
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}
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}
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else {
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color_equals(2);
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for(i=xx;i<40;i++) {
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plot(i,yy);
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}
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}
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#endif
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#if 0
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color_equals(4);
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plot(xx,yy);
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if (xx>20) {
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for(i=xx;i<40;i++) {
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plot(i,yy);
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}
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}
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#endif
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#if 0
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color_equals(4);
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// plot(xx,yy);
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if (xx<20) {
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for(i=xx;i<40;i++) {
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plot(i,yy);
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}
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}
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#endif
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}
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delta+=DELTA;
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grsim_update();
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}
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return 0;
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}
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