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102 lines
1.7 KiB
C
102 lines
1.7 KiB
C
#include "gintdemo.h"
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#include <gray.h>
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#include <keyboard.h>
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#include <mpu.h>
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/*
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test_gray()
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Lets the user set the gray delays and see the results.
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*/
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static void draw(int delay1, int delay2, int selected)
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{
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extern image_t res_opt_gray;
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uint32_t *vl = gray_lightVRAM();
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uint32_t *vd = gray_darkVRAM();
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gclear();
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locate(1, 1, "Gray engine");
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for(int i = 0; i < 36; i++)
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{
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int o = ((i + 12) << 2) + 2;
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unsigned light = -((i % 24) < 12);
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unsigned dark = -(i < 24);
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vl[o] = light >> 8;
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vl[o + 1] = light << 8;
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vd[o] = dark >> 8;
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vd[o + 1] = dark << 8;
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}
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locate(3, 3, "light");
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print(4, 4, "%d", delay1);
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locate(3, 5, "dark");
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print(4, 6, "%d", delay2);
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locate(3, selected ? 6 : 4, "\x02");
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gimage(0, 56, &res_opt_gray);
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gupdate();
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}
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void test_gray(void)
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{
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int delays[2]; // { light, dark }
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int key, changed = 1;
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int selected = 0;
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gray_getDelays(delays, delays + 1);
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gray_start();
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while(1)
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{
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if(changed)
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{
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gray_setDelays(delays[0], delays[1]);
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draw(delays[0], delays[1], selected);
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}
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changed = 0;
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key = getkey_opt(getkey_repeat_arrow_keys, 25);
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if(key == KEY_EXIT) break;
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changed = 1;
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switch(key)
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{
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case KEY_F1:
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selected = !selected;
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break;
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case KEY_F2:
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delays[0] = 912;
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delays[1] = 1343;
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break;
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case KEY_F3:
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delays[0] = 993;
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delays[1] = 1609;
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break;
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case KEY_F4:
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delays[0] = 860;
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delays[1] = 1298;
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break;
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case KEY_UP:
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delays[selected] += 10;
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break;
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case KEY_DOWN:
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if(delays[selected] >= 110) delays[selected] -= 10;
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break;
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case KEY_RIGHT:
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delays[selected]++;
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break;
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case KEY_LEFT:
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if(delays[selected] >= 101) delays[selected]--;
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break;
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default:
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changed = 0;
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break;
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}
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}
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gray_stop();
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}
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