willem/Pico-GB
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Load save file just before starting the emulation

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This commit is contained in:
Vincent Mistler
2023-03-08 18:25:26 +01:00
parent d740cb0162
commit c0ac536cad
1 changed files with 36 additions and 20 deletions
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src/main.c
+36 -20
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@@ -313,7 +313,7 @@ void read_cart_ram_file(struct gb_s *gb) {
sd_card_t *pSD=sd_get_by_num(0);
FRESULT fr=f_mount(&pSD->fatfs,pSD->pcName,1);
if (FR_OK!=fr) {
printf("f_mount error: %s (%d)\n",FRESULT_str(fr),fr);
printf("E f_mount error: %s (%d)\n",FRESULT_str(fr),fr);
return;
}
@@ -322,16 +322,16 @@ void read_cart_ram_file(struct gb_s *gb) {
if (fr==FR_OK) {
f_read(&fil,ram,f_size(&fil),&br);
} else {
printf("f_open(%s) error: %s (%d)\n",filename,FRESULT_str(fr),fr);
printf("E f_open(%s) error: %s (%d)\n",filename,FRESULT_str(fr),fr);
}
fr=f_close(&fil);
if(fr!=FR_OK) {
printf("f_close error: %s (%d)\n", FRESULT_str(fr), fr);
printf("E f_close error: %s (%d)\n", FRESULT_str(fr), fr);
}
f_unmount(pSD->pcName);
}
printf("read_cart_ram_file(%s) COMPLETE (%lu bytes)\n",filename,save_size);
printf("I read_cart_ram_file(%s) COMPLETE (%lu bytes)\n",filename,save_size);
}
/**
@@ -348,7 +348,7 @@ void write_cart_ram_file(struct gb_s *gb) {
sd_card_t *pSD=sd_get_by_num(0);
FRESULT fr=f_mount(&pSD->fatfs,pSD->pcName,1);
if (FR_OK!=fr) {
printf("f_mount error: %s (%d)\n",FRESULT_str(fr),fr);
printf("E f_mount error: %s (%d)\n",FRESULT_str(fr),fr);
return;
}
@@ -357,16 +357,16 @@ void write_cart_ram_file(struct gb_s *gb) {
if (fr==FR_OK) {
f_write(&fil,ram,save_size,&bw);
} else {
printf("f_open(%s) error: %s (%d)\n",filename,FRESULT_str(fr),fr);
printf("E f_open(%s) error: %s (%d)\n",filename,FRESULT_str(fr),fr);
}
fr=f_close(&fil);
if(fr!=FR_OK) {
printf("f_close error: %s (%d)\n", FRESULT_str(fr), fr);
printf("E f_close error: %s (%d)\n", FRESULT_str(fr), fr);
}
f_unmount(pSD->pcName);
}
printf("write_cart_ram_file(%s) COMPLETE (%lu bytes)\n",filename,save_size);
printf("I write_cart_ram_file(%s) COMPLETE (%lu bytes)\n",filename,save_size);
}
/**
@@ -375,10 +375,11 @@ void write_cart_ram_file(struct gb_s *gb) {
void load_cart_rom_file(char *filename) {
UINT br;
uint8_t buffer[FLASH_SECTOR_SIZE];
bool mismatch=false;
sd_card_t *pSD=sd_get_by_num(0);
FRESULT fr=f_mount(&pSD->fatfs,pSD->pcName,1);
if (FR_OK!=fr) {
printf("f_mount error: %s (%d)\n",FRESULT_str(fr),fr);
printf("E f_mount error: %s (%d)\n",FRESULT_str(fr),fr);
return;
}
FIL fil;
@@ -389,23 +390,38 @@ void load_cart_rom_file(char *filename) {
f_read(&fil,buffer,sizeof buffer,&br);
if(br==0) break; /* end of file */
printf("\nErasing target region...\n");
printf("I Erasing target region...\n");
flash_range_erase(flash_target_offset,FLASH_SECTOR_SIZE);
printf("\nProgramming target region...\n");
printf("I Programming target region...\n");
flash_range_program(flash_target_offset,buffer,FLASH_SECTOR_SIZE);
/* Read back target region and check programming */
printf("I Done. Reading back target region...\n");
for(uint32_t i=0;i<FLASH_SECTOR_SIZE;i++) {
if(rom[flash_target_offset+i]!=buffer[i]) {
mismatch=true;
}
}
/* Next sector */
flash_target_offset+=FLASH_SECTOR_SIZE;
}
if(mismatch) {
printf("I Programming successful!\n");
} else {
printf("f_open(%s) error: %s (%d)\n",filename,FRESULT_str(fr),fr);
printf("E Programming failed!\n");
}
} else {
printf("E f_open(%s) error: %s (%d)\n",filename,FRESULT_str(fr),fr);
}
fr=f_close(&fil);
if(fr!=FR_OK) {
printf("f_close error: %s (%d)\n", FRESULT_str(fr), fr);
printf("E f_close error: %s (%d)\n", FRESULT_str(fr), fr);
}
f_unmount(pSD->pcName);
printf("load_cart_rom_file(%s) COMPLETE (%lu bytes)\n",filename,br);
printf("I load_cart_rom_file(%s) COMPLETE (%lu bytes)\n",filename,br);
}
/**
@@ -419,7 +435,7 @@ uint16_t rom_file_selector_display_page(char filename[22][256],uint16_t num_page
fr=f_mount(&pSD->fatfs,pSD->pcName,1);
if (FR_OK!=fr) {
printf("f_mount error: %s (%d)\n",FRESULT_str(fr),fr);
printf("E f_mount error: %s (%d)\n",FRESULT_str(fr),fr);
return 0;
}
@@ -649,11 +665,6 @@ while(true)
goto out;
}
#if ENABLE_SDCARD
/* Load Save File. */
read_cart_ram_file(&gb);
#endif
/* Automatically assign a colour palette to the game */
char rom_title[16];
auto_assign_palette(palette, gb_colour_hash(&gb),gb_get_rom_name(&gb,rom_title));
@@ -675,6 +686,11 @@ while(true)
putstdio("AUDIO ");
#endif
#if ENABLE_SDCARD
/* Load Save File. */
read_cart_ram_file(&gb);
#endif
putstdio("\n> ");
uint_fast32_t frames = 0;
uint64_t start_time = time_us_64();