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#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <crt0.h>
#include "timer.h"
#include "keyb.h"
#include "sound.h"
#include "vga.h"
#include "data.h"
#include "menu.h"
#include "game.h"
#define GAME_NAME "Gold Mine Run!"
#define GAME_VERSION "A0"
#define GAME_URL "https://git.usebox.net/dos-jam-2023/about/"
/* disable paging because our int handlers are written in C */
int _crt0_startup_flags = _CRT0_FLAG_LOCK_MEMORY;
static void run_help(const char *argv0)
{
printf("usage: %s\n\n"
" -h\tthis help screen\n"
" -v\tprint version and exit\n"
" -ns\trun the game with no sound\n\n"
"More info and updates:\n"
" " GAME_URL "\n\n",
argv0);
}
static void free_all()
{
timer_free();
keyb_free();
sound_free();
}
int main(int argc, char *argv[])
{
uint8_t nosound = 0;
if (argc > 1)
{
for (uint8_t i = 1; i < argc; i++)
if (!strcmp(argv[i], "-h"))
{
run_help(argv[0]);
return 0;
}
else if (!strcmp(argv[i], "-v"))
{
printf(GAME_NAME " " GAME_VERSION "\n");
return 0;
}
else if (!strcmp(argv[i], "-ns"))
nosound = 1;
}
if (!sound_init(nosound))
{
fprintf(stderr, "ERROR: failed to init sound\n");
return 1;
}
timer_init();
keyb_init();
atexit(free_all);
/* to update mikmod */
timer_user_fn(sound_update);
/* set VGA 320x200, 256 col */
if (!set_mode(0x13))
{
fprintf(stderr, "ERROR: failed to init the VGA card\n");
return 1;
}
set_palette(binary_palette_start);
if (!open_framebuffer())
{
set_mode(3);
fprintf(stderr, "ERROR: failed to open the framebuffer\n");
return 1;
}
while (run_menu())
run_game();
set_mode(3);
close_framebuffer();
return 0;
}
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