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replace 2600 cart selection code with code used in NES, COLV & INTV
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smesgr9000 committed Apr 27, 2024
1 parent d2fbb30 commit 57bf121
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Showing 3 changed files with 1,538 additions and 730 deletions.
284 changes: 59 additions & 225 deletions Cart_Reader/2600.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,6 @@ int a2600index;

byte a2600[] = { 2, 4, 8, 12, 16, 32, 64 };
byte a2600mapper = 0;
byte new2600mapper;
byte a2600size;

// EEPROM MAPPING
Expand Down Expand Up @@ -110,7 +109,6 @@ void a2600Menu() {
case 0:
// Select Cart
setCart_2600();
wait();
setup_2600();
break;

Expand Down Expand Up @@ -686,6 +684,7 @@ void displayMapperSelect_2600(uint8_t index, boolean printInstructions) {
#endif

void setMapper_2600() {
byte new2600mapper;
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
uint8_t b = 0;
int i = 0;
Expand Down Expand Up @@ -794,252 +793,87 @@ setmapper:
// CART SELECT CODE
//******************************************

FsFile a2600csvFile;
char a2600game[36]; // title
char a2600mm[4]; // mapper
char a2600ll[4]; // linelength (previous line)
unsigned long a2600csvpos; // CSV File Position
char a2600cartCSV[] = "2600.txt"; // CSV List
char a2600csvEND[] = "EOF"; // CSV End Marker for scrolling

bool readLine_ATARI(FsFile& f, char* line, size_t maxLen) {
for (size_t n = 0; n < maxLen; n++) {
int c = f.read();
if (c < 0 && n == 0) return false; // EOF
if (c < 0 || c == '\n') {
line[n] = 0;
return true;
}
line[n] = c;
}
return false; // line too long
}
void setCart_2600() {
//go to root
sd.chdir();

bool readVals_ATARI(char* a2600game, char* a2600mm, char* a2600ll) {
char line[42];
a2600csvpos = a2600csvFile.position();
if (!readLine_ATARI(a2600csvFile, line, sizeof(line))) {
return false; // EOF or too long
}
char* comma = strtok(line, ",");
int x = 0;
while (comma != NULL) {
if (x == 0)
strcpy(a2600game, comma);
else if (x == 1)
strcpy(a2600mm, comma);
else if (x == 2)
strcpy(a2600ll, comma);
comma = strtok(NULL, ",");
x += 1;
}
return true;
}
char gamename[100];
byte gameMapper;
byte gameSize;

bool getCartListInfo_2600() {
bool buttonreleased = 0;
bool cartselected = 0;
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
display_Clear();
println_Msg(F(" HOLD TO FAST CYCLE"));
display_Update();
#else
Serial.println(F("HOLD BUTTON TO FAST CYCLE"));
#endif
delay(2000);
#if defined(ENABLE_OLED)
buttonVal1 = (PIND & (1 << 7)); // PD7
#elif defined(ENABLE_LCD)
boolean buttonVal1 = (PING & (1 << 2)); //PG2
#endif
if (buttonVal1 == LOW) { // Button Held - Fast Cycle
while (1) { // Scroll Game List
while (readVals_ATARI(a2600game, a2600mm, a2600ll)) {
if (strcmp(a2600csvEND, a2600game) == 0) {
a2600csvFile.seek(0); // Restart
} else {
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
display_Clear();
println_Msg(F("CART TITLE:"));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(a2600game);
display_Update();
#else
Serial.print(F("CART TITLE:"));
Serial.println(a2600game);
#endif
#if defined(ENABLE_OLED)
buttonVal1 = (PIND & (1 << 7)); // PD7
#elif defined(ENABLE_LCD)
buttonVal1 = (PING & (1 << 2)); //PG2
#endif
if (buttonVal1 == HIGH) { // Button Released
buttonreleased = 1;
break;
}
if (buttonreleased) {
buttonreleased = 0; // Reset Flag
break;
}
}
}
#if defined(ENABLE_OLED)
buttonVal1 = (PIND & (1 << 7)); // PD7
#elif defined(ENABLE_LCD)
buttonVal1 = (PING & (1 << 2)); //PG2
#endif
if (buttonVal1 == HIGH) // Button Released
break;
}
}
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
display.setCursor(0, 56);
println_Msg(F("FAST CYCLE OFF"));
display_Update();
#else
Serial.println(FS(FSTRING_EMPTY));
Serial.println(F("FAST CYCLE OFF"));
Serial.println(F("PRESS BUTTON TO STEP FORWARD"));
Serial.println(F("DOUBLE CLICK TO STEP BACK"));
Serial.println(F("HOLD TO SELECT"));
Serial.println(FS(FSTRING_EMPTY));
#endif
while (readVals_ATARI(a2600game, a2600mm, a2600ll)) {
if (strcmp(a2600csvEND, a2600game) == 0) {
a2600csvFile.seek(0); // Restart
} else {
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
// Select starting letter
byte myLetter = starting_letter();

// Open database
if (myFile.open("2600.txt", O_READ)) {
seek_first_letter_in_database(myFile, myLetter);

// Display database
while (myFile.available()) {
display_Clear();
println_Msg(F("CART TITLE:"));

get_line(gamename, &myFile, sizeof(gamename));

// Read mapper with three ascii character and subtract 48 to convert to decimal
gameMapper = ((myFile.read() - 48) * 100) + ((myFile.read() - 48) * 10) + (myFile.read() - 48);

// Skip rest of line
myFile.seekCur(2);

skip_line(&myFile);

println_Msg(F("Select your cartridge"));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(a2600game);
display.setCursor(0, 48);
println_Msg(gamename);

#if defined(ENABLE_OLED)
print_STR(press_to_change_STR, 1);
print_STR(right_to_select_STR, 1);
#elif defined(ENABLE_LCD)
print_STR(rotate_to_change_STR, 1);
print_STR(press_to_select_STR, 1);
#elif defined(SERIAL_MONITOR)
println_Msg(F("U/D to Change"));
println_Msg(F("Space to Select"));
#endif
display_Update();
#else
Serial.print(F("CART TITLE:"));
Serial.println(a2600game);
#endif
while (1) { // Single Step
uint8_t b = checkButton();
if (b == 1) { // Continue (press)

uint8_t b = 0;
while (1) {
// Check button input
b = checkButton();

// Next
if (b == 1) {
break;
}
if (b == 2) { // Reset to Start of List (doubleclick)
byte prevline = strtol(a2600ll, NULL, 10);
a2600csvpos -= prevline;
a2600csvFile.seek(a2600csvpos);

// Previous
else if (b == 2) {
rewind_line(myFile, 6);
break;
}
if (b == 3) { // Long Press - Select Cart (hold)
new2600mapper = strtol(a2600mm, NULL, 10);
EEPROM_writeAnything(7, new2600mapper);
cartselected = 1; // SELECTION MADE
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
println_Msg(F("SELECTION MADE"));
display_Update();
#else
Serial.println(F("SELECTION MADE"));
#endif

// Selection
else if (b == 3) {
EEPROM_writeAnything(7, gameMapper);
for (int i = 0; i < a2600mapcount; i++) {
a2600index = i * 2;
if (gameMapper == pgm_read_byte(a2600mapsize + a2600index)) {
a2600size = pgm_read_byte(a2600mapsize + a2600index + 1);
EEPROM_writeAnything(8, a2600size);
break;
}
}
myFile.close();
break;
}
}
if (cartselected) {
cartselected = 0; // Reset Flag
return true;
}
}
}
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
println_Msg(FS(FSTRING_EMPTY));
println_Msg(FS(FSTRING_END_OF_FILE));
display_Update();
#else
Serial.println(FS(FSTRING_END_OF_FILE));
#endif

return false;
}

void checkCSV_2600() {
if (getCartListInfo_2600()) {
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
display_Clear();
println_Msg(FS(FSTRING_CART_SELECTED));
println_Msg(FS(FSTRING_EMPTY));
println_Msg(a2600game);
display_Update();
// Display Settings
display.setCursor(0, 56);
print_Msg(F("CODE: "));
println_Msg(new2600mapper, HEX);
display_Update();
#else
Serial.println(FS(FSTRING_EMPTY));
Serial.println(FS(FSTRING_CART_SELECTED));
Serial.println(a2600game);
// Display Settings
Serial.print(F("CODE: "));
Serial.println(new2600mapper, HEX);
Serial.println(FS(FSTRING_EMPTY));
#endif
} else {
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
display.setCursor(0, 56);
println_Msg(FS(FSTRING_NO_SELECTION));
display_Update();
#else
Serial.println(FS(FSTRING_NO_SELECTION));
#endif
print_FatalError(F("Database file not found"));
}
}

void checkSize_2600() {
EEPROM_readAnything(7, a2600mapper);
for (int i = 0; i < a2600mapcount; i++) {
a2600index = i * 2;
if (a2600mapper == pgm_read_byte(a2600mapsize + a2600index)) {
a2600size = pgm_read_byte(a2600mapsize + a2600index + 1);
EEPROM_writeAnything(8, a2600size);
break;
}
}
}

void setCart_2600() {
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
display_Clear();
println_Msg(a2600cartCSV);
display_Update();
#endif
sd.chdir();
sprintf(folder, "2600/CSV");
sd.chdir(folder); // Switch Folder
a2600csvFile = sd.open(a2600cartCSV, O_READ);
if (!a2600csvFile) {
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
display_Clear();
println_Msg(F("CSV FILE NOT FOUND!"));
display_Update();
#else
Serial.println(F("CSV FILE NOT FOUND!"));
#endif
while (1) {
if (checkButton() != 0)
setup_2600();
}
}
checkCSV_2600();
a2600csvFile.close();

checkSize_2600();
}
#endif
//******************************************
// End of File
Expand Down
11 changes: 0 additions & 11 deletions Cart_Reader/7800.ino
View file
Original file line number Diff line number Diff line change
Expand Up @@ -781,17 +781,6 @@ setmapper:
//******************************************
// CART SELECT CODE
//******************************************
void checkSize_7800() {
EEPROM_readAnything(7, a7800mapper);
for (int i = 0; i < a7800mapcount; i++) {
a7800index = i * 3;
if (a7800mapper == pgm_read_byte(a7800mapsize + a7800index)) {
a7800size = pgm_read_byte(a7800mapsize + a7800index + 1);
EEPROM_writeAnything(8, a7800size);
break;
}
}
}

void setCart_7800() {
//go to root
Expand Down
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