ReC98/th01/core/initexit.c

94 lines
1.4 KiB
C

#pragma option -Z
#include <dos.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "ReC98.h"
#include "th01/hardware/graph.h"
#include "th01/hardware/palette.h"
#include "th01/hardware/vsync.h"
#include "th01/hardware/ztext.h"
extern bool game_initialized;
extern void interrupt(* int06_old)();
void interrupt int06_game_exit();
void game_exit_inner(void);
void interrupt int06_nop()
{
}
void game_init(void)
{
if(game_initialized) {
return;
}
game_initialized = true;
int06_old = getvect(6);
setvect(6, int06_game_exit);
vsync_init();
z_text_init();
egc_start();
graph_start();
respal_create();
z_respal_set();
vram_planes_set();
}
void game_exit(void)
{
if(game_initialized != true) {
return;
}
game_initialized = 0;
game_exit_inner();
respal_free();
}
void game_switch_binary(void)
{
if(game_initialized != true) {
return;
}
game_exit_inner();
z_text_25line();
z_text_setcursor(CURSOR_HIDE);
z_text_clear();
z_text_show();
game_initialized = 0;
}
void game_exit_inner(void)
{
game_initialized = 0;
setvect(6, int06_nop);
vsync_exit();
z_text_clear();
z_palette_black_out();
z_graph_exit();
egc_start();
setvect(6, int06_old);
}
void interrupt int06_game_exit()
{
game_exit();
exit(0);
}
void game_exit_print_error(const char *fmt, ...)
{
char buf[256];
va_list ap;
va_start(ap, fmt);
vsprintf(buf, fmt, ap);
game_exit();
z_text_print(buf);
exit(1);
va_end(ap);
}