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NES.ino: Factorise Create{PRG,CHR,RAM}FileInSD functions

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Also, gets rid of filesCount global.

Frees 390 bytes of program space and 21 bytes of global ram space.
This commit is contained in:
Vincent Pelletier 2022-10-29 00:55:32 +00:00
parent 64db4ded54
commit 59665bb848
1 changed files with 25 additions and 65 deletions
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80
Cart_Reader/NES.ino
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@ -124,6 +124,9 @@ static const byte PROGMEM mapsize[] = {
255, 7, 7, 8, 8, 0, 0, // 110-in-1 multicart (same as 225) [UNLICENSED]
};
const char _file_name_no_number_fmt[] PROGMEM = "%s.%s";
const char _file_name_with_number_fmt[] PROGMEM = "%s.%02d.%s";
/******************************************
Defines
*****************************************/
@ -192,9 +195,6 @@ byte bytecheck;
byte firstbyte;
boolean flashfound = false; // NESmaker 39SF040 Flash Cart
// Files
char fileCount[3];
// Cartridge Config
byte mapper;
byte prgsize;
@ -1068,79 +1068,39 @@ void CreateROMFolderInSD() {
sd.chdir(folder);
}
void CreatePRGFileInSD() {
strcpy(fileName, "PRG");
strcat(fileName, ".bin");
FsFile createNewFile(const char *prefix, const char *extension) {
char filename[FILENAME_LENGTH];
snprintf_P(filename, sizeof(filename), _file_name_no_number_fmt, prefix, extension);
for (byte i = 0; i < 100; i++) {
if (!sd.exists(fileName)) {
myFile = sd.open(fileName, O_RDWR | O_CREAT);
break;
if (!sd.exists(filename)) {
return sd.open(fileName, O_RDWR | O_CREAT);
}
sprintf(fileCount, "%02d", i);
strcpy(fileName, "PRG.");
strcat(fileName, fileCount);
strcat(fileName, ".bin");
snprintf_P(filename, sizeof(filename), _file_name_with_number_fmt, prefix, i, extension);
}
if (!myFile) {
// Could not find an available name, recompose the original name and error out.
snprintf_P(filename, sizeof(filename), _file_name_no_number_fmt, prefix, extension);
LED_RED_ON;
display_Clear();
println_Msg(F("PRG FILE FAILED!"));
print_Msg(filename);
println_Msg(F(": no available name"));
display_Update();
print_Error(sd_error_STR, true);
print_FatalError(sd_error_STR);
LED_RED_OFF;
}
void CreatePRGFileInSD() {
myFile = createNewFile("PRG", "bin");
}
void CreateCHRFileInSD() {
strcpy(fileName, "CHR");
strcat(fileName, ".bin");
for (byte i = 0; i < 100; i++) {
if (!sd.exists(fileName)) {
myFile = sd.open(fileName, O_RDWR | O_CREAT);
break;
}
sprintf(fileCount, "%02d", i);
strcpy(fileName, "CHR.");
strcat(fileName, fileCount);
strcat(fileName, ".bin");
}
if (!myFile) {
LED_RED_ON;
display_Clear();
println_Msg(F("CHR FILE FAILED!"));
display_Update();
print_Error(sd_error_STR, true);
LED_RED_OFF;
}
myFile = createNewFile("CHR", "bin");
}
void CreateRAMFileInSD() {
strcpy(fileName, "RAM");
strcat(fileName, ".bin");
for (byte i = 0; i < 100; i++) {
if (!sd.exists(fileName)) {
myFile = sd.open(fileName, O_RDWR | O_CREAT);
break;
}
sprintf(fileCount, "%02d", i);
strcpy(fileName, "RAM.");
strcat(fileName, fileCount);
strcat(fileName, ".bin");
}
if (!myFile) {
LED_RED_ON;
display_Clear();
println_Msg(F("RAM FILE FAILED!"));
display_Update();
print_Error(sd_error_STR, true);
LED_RED_OFF;
}
myFile = createNewFile("RAM", "bin");
}
#ifndef nointro