rpi4-osdev/part12-wgt/samples/wgt41.c

99 lines
2.2 KiB
C

#include "include/wgt.h"
#include "include/mem.h"
#include "include/multicore.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 wgt41()
{
set_clock_rate(get_max_clock());
mem_init();
vga256 (); /* Initialize graphics mode */
char *message = malloc(15);
message[0] = 'H';
message[1] = 'e';
message[2] = 'l';
message[3] = 'l';
message[4] = 'o';
message[5] = ' ';
message[6] = 'w';
message[7] = 'o';
message[8] = 'r';
message[9] = 'l';
message[10] = 'd';
message[11] = '!';
message[12] = '\0';
wgtfont little;
wgtfont medium;
extern unsigned char _binary_bin_little_wfn_start[];
little = &(_binary_bin_little_wfn_start[0]);
extern unsigned char _binary_bin_medium_wfn_start[];
medium = &(_binary_bin_medium_wfn_start[0]);
wtextcolor (vgapal[15]);
wgtprintf (0, 0, NULL, "%.15s", little);
wgtprintf (0, 8, NULL, "%.15s", medium);
wouttextxy (0, 50, medium, "Nice to see you");
wouttextxy (0, 100, little, "Goodbye cruel world!");
/*
wgtprintf (0, 0, NULL, "%s", message);
wgtprintf (0, 8, NULL, "String width : %i pixels", wgettextwidth (message, NULL));
wgtprintf (0, 16, NULL, "String height: %i pixels", wgettextheight (message, NULL));
wgtprintf (0, 50, medium, "%s", message);
wgtprintf (0, 66, NULL, "String width : %i pixels", wgettextwidth (message, medium));
wgtprintf (0, 74, NULL, "String height: %i pixels", wgettextheight (message, medium));
wgtprintf (0, 100, little, "%s", message);
wgtprintf (0, 116, NULL, "String width : %i pixels", wgettextwidth (message, little));
wgtprintf (0, 124, NULL, "String height: %i pixels", wgettextheight (message, little));
*/
getch ();
free (message);
}
void main()
{
wgt41();
while (1);
}