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SDL save states

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This commit is contained in:
Lior Halphon 2016-07-18 14:37:06 +03:00
parent da0911d69b
commit 0fbc72f197
1 changed files with 45 additions and 6 deletions
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51
SDL/main.c
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@ -10,10 +10,17 @@
#include "debugger.h"
static bool running = false;
static char *filename;
static void replace_extension(const char *src, size_t length, char *dest, const char *ext);
GB_gameboy_t gb;
void GB_update_keys_status(GB_gameboy_t *gb)
{
static bool ctrl = false;
static bool shift = false;
#ifdef __APPLE__
static bool cmd = false;
#endif
SDL_Event event;
while (SDL_PollEvent(&event))
{
@ -52,8 +59,20 @@ void GB_update_keys_status(GB_gameboy_t *gb)
gb->turbo = event.type == SDL_KEYDOWN;
break;
case SDLK_LCTRL:
case SDLK_RCTRL:
ctrl = event.type == SDL_KEYDOWN;
break;
case SDLK_LSHIFT:
case SDLK_RSHIFT:
shift = event.type == SDL_KEYDOWN;
break;
#ifdef __APPLE__
case SDLK_LMETA:
case SDLK_RMETA:
cmd = event.type == SDL_KEYDOWN;
break;
#endif
case SDLK_c:
if (ctrl && event.type == SDL_KEYDOWN) {
ctrl = false;
@ -63,6 +82,26 @@ void GB_update_keys_status(GB_gameboy_t *gb)
break;
default:
/* Save states */
if (event.key.keysym.sym >= SDLK_0 && event.key.keysym.sym <= SDLK_9) {
#ifdef __APPLE__
if (cmd) {
#else
if (ctrl) {
#endif
char save_path[strlen(filename) + 4];
char save_extension[] =".s0";
save_extension[2] += event.key.keysym.sym - SDLK_0;
replace_extension(filename, strlen(filename), save_path, save_extension);
if (shift) {
GB_load_state(gb, save_path);
}
else {
GB_save_state(gb, save_path);
}
}
}
break;
}
break;
@ -130,8 +169,6 @@ static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
return SDL_MapRGB(screen->format, r, g, b);
}
GB_gameboy_t gb;
static void debugger_interrupt(int ignore)
{
/* ^C twice to exit */
@ -207,7 +244,9 @@ usage:
}
}
if (GB_load_rom(&gb, argv[argc - 1])) {
filename = argv[argc - 1];
if (GB_load_rom(&gb, filename)) {
perror("Failed to load ROM");
exit(1);
}
@ -227,16 +266,16 @@ usage:
GB_set_pixels_output(&gb, screen->pixels);
GB_set_rgb_encode_callback(&gb, rgb_encode);
size_t path_length = strlen(argv[argc - 1]);
size_t path_length = strlen(filename);
/* Configure battery */
char battery_save_path[path_length + 5]; /* At the worst case, size is strlen(path) + 4 bytes for .sav + NULL */
replace_extension(argv[argc - 1], path_length, battery_save_path, ".sav");
replace_extension(filename, path_length, battery_save_path, ".sav");
GB_load_battery(&gb, battery_save_path);
/* Configure symbols */
char symbols_path[path_length + 5];
replace_extension(argv[argc - 1], path_length, symbols_path, ".sym");
replace_extension(filename, path_length, symbols_path, ".sym");
GB_debugger_load_symbol_file(&gb, symbols_path);
/* Configure Audio */