mirror of
https://github.com/isometimes/rpi4-osdev
synced 2024-11-25 03:30:39 +00:00
67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
#include "include/wgt.h"
|
|
#include "include/mem.h"
|
|
|
|
// ######## REQUIRED FUNCTIONS ########
|
|
|
|
unsigned long state0 = 1000;
|
|
unsigned long state1 = 2000;
|
|
|
|
unsigned long rand(void)
|
|
{
|
|
unsigned long s1 = state0;
|
|
unsigned long s0 = state1;
|
|
|
|
state0 = s0;
|
|
s1 ^= s1 << 23;
|
|
s1 ^= s1 >> 17;
|
|
s1 ^= s0;
|
|
s1 ^= s0 >> 26;
|
|
state1 = s1;
|
|
|
|
return state0 + state1;
|
|
}
|
|
|
|
// ######## STUB FUNCTIONS ########
|
|
|
|
unsigned int kb = 0;
|
|
|
|
unsigned int kbhit(void) {
|
|
kb++;
|
|
return kb / 500;
|
|
}
|
|
|
|
void getch(void) {
|
|
wait_msec(0x500000);
|
|
kb = 0;
|
|
}
|
|
|
|
// ######## WGT EXAMPLES ########
|
|
|
|
void wgt45()
|
|
{
|
|
block sprites[10]; /* An array of blocks to load the sprites into.
|
|
Version 5.0 allows for any number to be
|
|
loaded in, as long as you pass the same size
|
|
of the array to the wloadsprites and wfreesprites
|
|
commands. */
|
|
short i;
|
|
color palette[256];
|
|
|
|
set_clock_rate(get_max_clock());
|
|
mem_init();
|
|
vga256 (); /* Initializes WGT system */
|
|
|
|
extern unsigned char _binary_bin_space_spr_start[];
|
|
wloadsprites (palette, &_binary_bin_space_spr_start[0], sprites, 0, 9);
|
|
/* loads the first 10 sprites */
|
|
wsetpalette (0, 255, palette);
|
|
|
|
for (i = 0; i < 10; i++) /* Display them */
|
|
wputblock (i * 30, 0, sprites[i], NORMAL);
|
|
}
|
|
|
|
void main()
|
|
{
|
|
wgt45();
|
|
while (1);
|
|
}
|