mirror of
https://github.com/isometimes/rpi4-osdev
synced 2024-11-08 19:30:39 +00:00
67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
#include "include/wgt.h"
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#include "include/mem.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 wgt45()
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{
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block sprites[10]; /* An array of blocks to load the sprites into.
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Version 5.0 allows for any number to be
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loaded in, as long as you pass the same size
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of the array to the wloadsprites and wfreesprites
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commands. */
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short i;
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color palette[256];
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set_clock_rate(get_max_clock());
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mem_init();
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vga256 (); /* Initializes WGT system */
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extern unsigned char _binary_bin_space_spr_start[];
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wloadsprites (palette, &_binary_bin_space_spr_start[0], sprites, 0, 9);
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/* loads the first 10 sprites */
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wsetpalette (0, 255, palette);
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for (i = 0; i < 10; i++) /* Display them */
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wputblock (i * 30, 0, sprites[i], NORMAL);
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}
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void main()
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{
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wgt45();
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while (1);
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}
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