mirror of
https://github.com/isometimes/rpi4-osdev
synced 2024-11-24 19:20:40 +00:00
87 lines
1.5 KiB
C
87 lines
1.5 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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void wgt10()
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{
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short x,y;
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block part1; /* part of the screen */
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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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for (y = 40; y >= 4; y--)
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{
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wfill_circle (y + 40, y + 10, y); /* draw a pattern */
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wsetcolor (vgapal[y + 20]);
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}
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part1 = wnewblock (0, 0, 160, 100); /* get the circle in a block */
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getch();
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wcls (0);
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for (x = 0; x < 320; x++)
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{
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wsetcolor (vgapal[x % 255]);
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wline (x, 0, x, 199);
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}
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getch();
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wputblock (160, 0, part1, 0); /* normal mode */
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wflipblock (part1, 0);
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wputblock (160, 100, part1, 1); /* XRAY mode */
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wflipblock (part1, 1);
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wputblock (0, 100, part1, 0); /* normal mode */
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wflipblock (part1, 0);
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wputblock (0, 0, part1, 1); /* XRAY mode */
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wfreeblock (part1);
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}
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void main()
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{
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wgt10();
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while (1);
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}
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