The-Homebrew-Cloud/N64FlashcartMenu
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account for games that dont save

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This commit is contained in:
ariahiro64 2023-10-15 09:52:56 -04:00
parent 3036513094
commit a2b3003605
1 changed files with 28 additions and 45 deletions
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69
src/flashcart/ed64/ed64.c
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@ -29,10 +29,9 @@ int read_line(FILE *in, char *buffer, size_t max)
static flashcart_err_t ed64_init (void) { static flashcart_err_t ed64_init (void) {
if (file_exists(strip_sd_prefix("/menu/RESET"))) { if (file_exists(strip_sd_prefix("/menu/RESET"))) { // checks if reset
f_unlink(strip_sd_prefix("/menu/RESET")); f_unlink(strip_sd_prefix("/menu/RESET"));
if (file_exists(LAST_SAVE_FILE_PATH)) {
FIL lrp_fil; FIL lrp_fil;
UINT lrp_br; UINT lrp_br;
@ -59,7 +58,7 @@ static flashcart_err_t ed64_init (void) {
// find the path to last save // find the path to last save
uint8_t cartsave_data[KiB(128)]; uint8_t cartsave_data[KiB(128)];
if (file_exists(strip_sd_prefix(lrp_path))){
if ((f_open(&fil, strip_sd_prefix(lrp_path), FA_CREATE_ALWAYS | FA_WRITE)) != FR_OK) { if ((f_open(&fil, strip_sd_prefix(lrp_path), FA_CREATE_ALWAYS | FA_WRITE)) != FR_OK) {
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
} }
@ -67,9 +66,12 @@ static flashcart_err_t ed64_init (void) {
f_lseek(&fil , SEEK_END); f_lseek(&fil , SEEK_END);
int save_size = f_tell(&fil); int save_size = f_tell(&fil);
f_lseek(&fil, 0); f_lseek(&fil, 0);
// everdrive doesnt care about the save type other than eeprom
// so we can just check the size
if (save_size >= KiB(32)) { if (save_size >= KiB(32)) {
getSRAM(cartsave_data, save_size); getSRAM(cartsave_data, save_size);
} else { } else if (save_size >= 512){
getEeprom(cartsave_data, save_size); getEeprom(cartsave_data, save_size);
} }
@ -80,7 +82,7 @@ static flashcart_err_t ed64_init (void) {
if (f_close(&fil) != FR_OK) { if (f_close(&fil) != FR_OK) {
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
} }
} }
} }
return FLASHCART_OK; return FLASHCART_OK;
} }
@ -207,39 +209,7 @@ static flashcart_err_t ed64_load_file (char *file_path, uint32_t rom_offset, uin
} }
static flashcart_err_t ed64_load_save (char *save_path) { static flashcart_err_t ed64_load_save (char *save_path) {
FIL lsp_fil; if (file_exists(strip_sd_prefix(save_path))){ // if file doesnt exist do nothing
UINT lsp_bw ;
if (f_open(&lsp_fil, LAST_SAVE_FILE_PATH, FA_WRITE | FA_CREATE_ALWAYS) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
if (f_write(&lsp_fil, strip_sd_prefix(save_path) , strlen(save_path), &lsp_bw) != FR_OK) {
f_close(&lsp_fil);
return FLASHCART_ERR_LOAD;
}
if (f_close(&lsp_fil) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
ed64_save_type_t type = ed64_ll_get_save_type();
ed64_save_transfer_mode mode;
switch (type) {
case SAVE_TYPE_EEPROM_4K:
case SAVE_TYPE_EEPROM_16K:
mode = EEPROM_MODE;
break;
case SAVE_TYPE_SRAM:
case SAVE_TYPE_SRAM_128K:
case SAVE_TYPE_FLASHRAM:
mode = SRAM_MODE;
break;
case SAVE_TYPE_NONE:
mode = MEMPAK_MODE;
break;
default:
return FLASHCART_ERR_ARGS;
break;
}
FIL fil; FIL fil;
UINT br; UINT br;
if (f_open(&fil, strip_sd_prefix(save_path), FA_READ) != FR_OK) { if (f_open(&fil, strip_sd_prefix(save_path), FA_READ) != FR_OK) {
@ -257,12 +227,25 @@ static flashcart_err_t ed64_load_save (char *save_path) {
if (f_close(&fil) != FR_OK) { if (f_close(&fil) != FR_OK) {
return FLASHCART_ERR_LOAD; return FLASHCART_ERR_LOAD;
} }
// everdrive doesnt care about the save type other than eeprom
if (mode == SRAM_MODE) { // so we can just check the size
if (save_size >= KiB(32)) { //sram and flash
setSRAM(cartsave_data, save_size); setSRAM(cartsave_data, save_size);
} else if (mode == EEPROM_MODE){ } else if (save_size >= 512){ // eeprom
setEeprom(cartsave_data, save_size); setEeprom(cartsave_data, save_size);
} }
FIL lsp_fil;
UINT lsp_bw ;
if (f_open(&lsp_fil, LAST_SAVE_FILE_PATH, FA_WRITE | FA_CREATE_ALWAYS) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
if (f_write(&lsp_fil, strip_sd_prefix(save_path) , strlen(save_path), &lsp_bw) != FR_OK) {
f_close(&lsp_fil);
return FLASHCART_ERR_LOAD;
}
if (f_close(&lsp_fil) != FR_OK) {
return FLASHCART_ERR_LOAD;
}
FIL rsfil; FIL rsfil;
UINT rsbr; UINT rsbr;
TCHAR reset_byte[1]; TCHAR reset_byte[1];
@ -270,7 +253,7 @@ if (mode == SRAM_MODE) {
f_open(&rsfil, "/menu/RESET",FA_CREATE_ALWAYS); f_open(&rsfil, "/menu/RESET",FA_CREATE_ALWAYS);
f_write(&rsfil, (void *)reset_byte, 1, &rsbr); f_write(&rsfil, (void *)reset_byte, 1, &rsbr);
f_close(&rsfil); f_close(&rsfil);
}
return FLASHCART_OK; return FLASHCART_OK;
} }