mirror of
https://github.com/isometimes/rpi4-osdev
synced 2024-09-19 13:32:56 +00:00
111 lines
2.5 KiB
C
111 lines
2.5 KiB
C
#include "include/wgtspr.h"
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#include "include/mem.h"
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#include "include/multicore.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 wgt19()
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{
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block screen1; /* one virtual screen */
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block sprites[10]; /* An array of blocks to load the sprites into.
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Version 4.0 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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int y, sp;
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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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start_core2(minit); // Start the comms engine (core 2)
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while (!comms_up); // Wait for comms up
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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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/* load first 10 sprites */
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wsetpalette (0, 255, palette);
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screen1 = wnewblock (0, 0, 319, 199);
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wsetscreen (screen1);
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sp = 1; /* sprites always start at 1 in the array */
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msetbounds (0, 0, 160, 199);
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do {
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for (y = 0; y < 200; y++)
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{
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wsetcolor (vgapal[y]);
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wfline (0, y, 319, y); /* clear the screen by drawing horz lines (fast) */
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}
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if (sprites[sp] != NULL)
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{
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wputblock (mx, my, sprites[sp], 1); /* put the block using xray mode at mouse position */
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wflipblock (sprites[sp], 0); /* flip the sprite vertically */
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wresize (mx - 20, my + 50, mx + 20, my + 90, sprites[sp], 1);
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/* resize the sprite using xray mode just below the first one */
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wflipblock (sprites[sp], 0); /* flip it back to normal */
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}
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wcopyscreen (0, 0, 160, 199, screen1, 0, 0, NULL); /* copy half the screen */
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if (but == 1) /* Show the next sprite */
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{
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sp++;
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if (sp > 9)
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sp = 1;
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noclick ();
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}
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} while (but != 2);
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msetbounds (0, 0, 319, 199);
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mdeinit (); /* Deinitialize the mouse handler */
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wfreeblock (screen1);
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wfreesprites (sprites, 0, 9); /* frees all sprites in that array */
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}
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void main()
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{
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wgt19();
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while (1);
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}
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