mirror of
https://github.com/isometimes/rpi4-osdev
synced 2024-09-19 21:32:58 +00:00
92 lines
1.6 KiB
C
92 lines
1.6 KiB
C
#include "include/wgt.h"
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// ######## REQUIRED FUNCTIONS ########
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unsigned long state0 = 1000;
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unsigned long state1 = 2000;
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unsigned long rand(void)
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{
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unsigned long s1 = state0;
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unsigned long s0 = state1;
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state0 = s0;
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s1 ^= s1 << 23;
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s1 ^= s1 >> 17;
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s1 ^= s0;
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s1 ^= s0 >> 26;
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state1 = s1;
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return state0 + state1;
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}
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// ######## STUB FUNCTIONS ########
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unsigned int kb = 0;
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unsigned int kbhit(void) {
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kb++;
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return kb / 500;
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}
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void getch(void) {
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wait_msec(0x500000);
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kb = 0;
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}
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// ######## WGT EXAMPLES ########
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void wgt07()
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{
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short x;
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short y;
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short col;
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color palette[255];
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vga256 ();
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// Set our palette
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for (y = 0; y < 64; y++)
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wsetrgb (y, y*4, y*4, y*4, palette);
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for (y = 0; y < 64; y++)
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wsetrgb (y + 64, y*4, 0, 0, palette);
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for (y = 0; y < 64; y++)
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wsetrgb (y + 128, 0, y*4, 0, palette);
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for (y = 0; y < 64; y++)
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wsetrgb (y + 192, 0, 0, y*4, palette);
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wsetpalette (0, 255, palette);
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wcls (vgapal[0]);
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wtextgrid (TEXTGRID_OFF);
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wtexttransparent (TEXTFGBG); /* Turn foreground and background on */
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do {
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x = rand() % 320;
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y = rand() % 200;
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col = rand() % 256;
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wtextcolor (vgapal[col]);
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wouttextxy (x, y, NULL, "WordUp Graphics Toolkit");
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} while (!kbhit ());
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getch ();
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wcls (0);
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wtextgrid (TEXTGRID_ON);
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do {
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x = rand() % 80;
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y = rand() % 25;
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col = rand() % 256;
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wtextcolor (vgapal[col]);
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wtextbackground (vgapal[rand() % 256]);
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wouttextxy (x, y, NULL, "WordUp Graphics Toolkit");
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} while (!kbhit ());
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getch ();
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}
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void main()
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{
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wgt07();
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while (1);
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}
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