mirror of
https://github.com/isometimes/rpi4-osdev
synced 2024-11-25 19:50:40 +00:00
111 lines
1.8 KiB
C
111 lines
1.8 KiB
C
#include "include/wgt.h"
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#include "include/mem.h"
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#include "include/mb.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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#define TIMERSPEED 60
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int timer;
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int size;
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int direction = -1;
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void timer_routine (void)
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{
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timer++;
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}
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void wgt11()
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{
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block part1; /* part of the screen */
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color pal[256];
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set_clock_rate(get_max_clock());
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mem_init();
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vga256 ();
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extern unsigned char _binary_bin_wgt1_pal_start[];
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unsigned char *newpal = &_binary_bin_wgt1_pal_start[0];
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wloadpalette (newpal, pal);
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wsetpalette (0, 255, pal);
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extern unsigned char _binary_bin_wgt1_blk_start[];
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unsigned char *newblk = &_binary_bin_wgt1_blk_start[0];
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part1 = wloadblock (newblk);
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wputblock (0, 0, part1, 0);
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getch ();
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wcls (vgapal[0]);
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timer = 0;
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size = 50;
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winittimer ();
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wstarttimer (timer_routine, TIMERSPEED);
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wclip (0, 0, 319, 199);
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do {
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if (direction > 0)
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{
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size += timer * 2;
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timer = 0;
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if (size > 50)
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direction = -1;
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}
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else
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{
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size -= timer * 2;
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timer = 0;
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if (size < -1000)
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direction = 1;
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}
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wresize (size, size, 319 - size, 199 - size, part1, NORMAL);
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} while (1);
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getch ();
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wstoptimer ();
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wdonetimer ();
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wfreeblock(part1);
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}
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void main()
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{
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wgt11();
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while (1);
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}
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