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cartreader/Cart_Reader/ARC.ino

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//******************************************
// EMERSON ARCADIA 2001 MODULE
//******************************************
#if defined(ENABLE_ARC)
// Emerson Arcadia 2001
// Cartridge Pinout
// 30P 2.54mm pitch connector
//
// FRONT BACK
// SIDE SIDE
// +-------+
// GND -| 2 1 |- A13 (A12)
// VCC (+5V) -| 4 3 |- D3
// A0 -| 6 5 |- D4
// A1 -| 8 7 |- D5
// A2 -| 10 9 |- D6
// A3 -| 12 11 |- D7
// A4 -| 14 13 |- D0
// A5 -| 16 15 |- D2
// A6 -| 18 17 |- D1
// A7 -| 20 19 |- NC
// A8 -| 22 21 |- NC
// A9 -| 24 23 |- NC
// A10 -| 26 25 |- GND
// A11 -| 28 27 |- GND
// A12 (/EN) -| 30 29 |- NC
// +-------+
//
// BACK
// +------------------------------------------------------------+
// | 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 |
// LEFT | | RIGHT
// | 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 |
// +------------------------------------------------------------+
// FRONT
//
byte ARC[] = { 2, 4, 6, 8 };
byte arclo = 0; // Lowest Entry
byte archi = 3; // Highest Entry
byte arcsize;
byte newarcsize;
// EEPROM MAPPING
// 08 ROM SIZE
//******************************************
// Menu
//******************************************
// Base Menu
static const char* const menuOptionsARC[] PROGMEM = { FSTRING_SELECT_CART, FSTRING_READ_ROM, FSTRING_SET_SIZE, FSTRING_RESET };
void setup_ARC() {
// Request 5V
setVoltage(VOLTS_SET_5V);
// Set Address Pins to Output
// Arcadia 2001 uses A0-A13 [A14-A23 UNUSED]
//A0-A7
DDRF = 0xFF;
//A8-A15
DDRK = 0xFF;
//A16-A23
DDRL = 0xFF;
// Set Control Pins to Output
// ---(PH0) ---(PH1) ---(PH3) ---(PH4) ---(PH5) ---(PH6)
DDRH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
// Set TIME(PJ0) to Output (UNUSED)
DDRJ |= (1 << 0);
// Set Pins (D0-D7) to Input
DDRC = 0x00;
// Setting Unused Control Pins to HIGH
// ---(PH0) ---(PH1) ---(PH3) ---(PH4) ---(PH5) ---(PH6)
PORTH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
// Set Unused Data Pins (PA0-PA7) to Output
DDRA = 0xFF;
// Set Unused Pins HIGH
PORTA = 0xFF;
PORTL = 0xFF; // A16-A23
PORTJ |= (1 << 0); // TIME(PJ0)
checkStatus_ARC();
strcpy(romName, "ARCADIA");
mode = CORE_ARC;
}
void arcMenu() {
convertPgm(menuOptionsARC, 4);
uint8_t mainMenu = question_box(F("ARCADIA 2001 MENU"), menuOptions, 4, 0);
switch (mainMenu) {
case 0:
// Select Cart
setCart_ARC();
setup_ARC();
break;
case 1:
// Read ROM
sd.chdir("/");
readROM_ARC();
sd.chdir("/");
break;
case 2:
// Set Size
setROMSize_ARC();
break;
case 3:
// reset
resetArduino();
break;
}
}
//******************************************
// READ CODE
//******************************************
uint8_t readData_ARC(uint16_t addr) {
PORTF = addr & 0xFF; // A0-A7
PORTK = (addr >> 8) & 0xFF; // A8-A13
NOP;
NOP;
NOP;
NOP;
NOP;
uint8_t ret = PINC;
return ret;
}
void readSegment_ARC(uint16_t startaddr, uint16_t endaddr) {
for (uint16_t addr = startaddr; addr < endaddr; addr += 512) {
for (int w = 0; w < 512; w++) {
uint8_t temp = readData_ARC(addr + w);
sdBuffer[w] = temp;
}
myFile.write(sdBuffer, 512);
}
}
void readROM_ARC() {
strcpy(fileName, romName);
strcat(fileName, ".bin");
// create a new folder for storing rom file
EEPROM_readAnything(0, foldern);
sprintf(folder, "ARC/ROM/%d", foldern);
sd.mkdir(folder, true);
sd.chdir(folder);
display_Clear();
print_Msg(F("Saving to "));
print_Msg(folder);
println_Msg(F("/..."));
display_Update();
// open file on sdcard
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
print_FatalError(create_file_STR);
}
// write new folder number back to EEPROM
foldern++;
EEPROM_writeAnything(0, foldern);
readSegment_ARC(0x0000, 0x0800); // 2K
if (arcsize > 0) {
readSegment_ARC(0x0800, 0x1000); // +2K = 4K
if (arcsize > 1) {
readSegment_ARC(0x2000, 0x2800); // +2K = 6K
if (arcsize > 2) {
readSegment_ARC(0x2800, 0x3000); // +2K = 8K
}
}
}
myFile.close();
printCRC(fileName, NULL, 0);
println_Msg(FS(FSTRING_EMPTY));
print_STR(press_button_STR, 1);
display_Update();
wait();
}
//******************************************
// ROM SIZE
//******************************************
void setROMSize_ARC() {
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
display_Clear();
if (arclo == archi)
newarcsize = arclo;
else {
uint8_t b = 0;
int i = arclo;
display_Clear();
print_Msg(F("ROM Size: "));
println_Msg(ARC[i]);
println_Msg(FS(FSTRING_EMPTY));
#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);
#endif
display_Update();
while (1) {
b = checkButton();
if (b == 2) { // Previous (doubleclick)
if (i == arclo)
i = archi;
else
i--;
// Only update display after input because of slow LCD library
display_Clear();
print_Msg(F("ROM Size: "));
println_Msg(ARC[i]);
println_Msg(FS(FSTRING_EMPTY));
#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);
#endif
display_Update();
}
if (b == 1) { // Next (press)
if (i == archi)
i = arclo;
else
i++;
// Only update display after input because of slow LCD library
display_Clear();
print_Msg(F("ROM Size: "));
println_Msg(ARC[i]);
println_Msg(FS(FSTRING_EMPTY));
#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);
#endif
display_Update();
}
if (b == 3) { // Long Press - Execute (hold)
newarcsize = i;
break;
}
}
display.setCursor(0, 56); // Display selection at bottom
}
print_Msg(F("ROM SIZE "));
print_Msg(ARC[newarcsize]);
println_Msg(F("K"));
display_Update();
delay(1000);
#else
if (arclo == archi)
newarcsize = arclo;
else {
setrom:
String sizeROM;
for (int i = 0; i < (archi - arclo + 1); i++) {
Serial.print(F("Select ROM Size: "));
Serial.print(i);
Serial.print(F(" = "));
Serial.print(ARC[i + arclo]);
Serial.println(F("K"));
}
Serial.print(F("Enter ROM Size: "));
while (Serial.available() == 0) {}
sizeROM = Serial.readStringUntil('\n');
Serial.println(sizeROM);
newarcsize = sizeROM.toInt() + arclo;
if (newarcsize > archi) {
Serial.println(F("SIZE NOT SUPPORTED"));
Serial.println(FS(FSTRING_EMPTY));
goto setrom;
}
}
Serial.print(F("ROM Size = "));
Serial.print(ARC[newarcsize]);
Serial.println(F("K"));
#endif
EEPROM_writeAnything(8, newarcsize);
arcsize = newarcsize;
}
void checkStatus_ARC() {
EEPROM_readAnything(8, arcsize);
if (arcsize > 3) {
arcsize = 0;
EEPROM_writeAnything(8, arcsize);
}
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
display_Clear();
println_Msg(F("ARCADIA 2001 READER"));
println_Msg(FS(FSTRING_CURRENT_SETTINGS));
println_Msg(FS(FSTRING_EMPTY));
print_Msg(F("ROM SIZE: "));
print_Msg(ARC[arcsize]);
println_Msg(F("K"));
display_Update();
wait();
#else
Serial.print(F("CURRENT ROM SIZE: "));
Serial.print(ARC[arcsize]);
Serial.println(F("K"));
Serial.println(FS(FSTRING_EMPTY));
#endif
}
//******************************************
// CART SELECT CODE
//******************************************
void readDataLine_ARC(FsFile& database, byte* gameSize) {
// Read rom size
(*gameSize) = database.read() - 48;
// Skip rest of line
database.seekCur(2);
}
void setCart_ARC() {
//go to root
sd.chdir();
byte gameSize;
// Select starting letter
//byte myLetter = starting_letter();
// Open database
if (myFile.open("arccart.txt", O_READ)) {
// seek_first_letter_in_database(myFile, myLetter);
if(checkCartSelection(myFile, &readDataLine_ARC, &gameSize)) {
EEPROM_writeAnything(8, gameSize);
}
} else {
print_FatalError(FS(FSTRING_DATABASE_FILE_NOT_FOUND));
}
}
#endif
//******************************************
// End of File
//******************************************
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