mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-30 00:14:15 +01:00
468 lines
11 KiB
C++
468 lines
11 KiB
C++
//******************************************
|
|
// MAGNAVOX ODYSSEY 2 MODULE
|
|
//******************************************
|
|
#if defined(ENABLE_ODY2)
|
|
// Magnavox Odyssey 2
|
|
// Philips Videopac/Videopac+
|
|
// Cartridge Pinout
|
|
// 30P 3.96mm pitch connector
|
|
//
|
|
// FRONT BACK
|
|
// SIDE SIDE
|
|
// +------+
|
|
// T0 -| 1 A |- /WR
|
|
// D0 -| 2 B |- GND
|
|
// D1 -| 3 C |- GND
|
|
// D2 -| 4 D |- VCC (+5V)
|
|
// D3 -| 5 E |- CS3
|
|
// D4 -| 6 F |- /PSEN (/CE)
|
|
// D5 -| 7 G |- A0
|
|
// D6 -| 8 H |- A1
|
|
// D7 -| 9 J |- A2
|
|
// A10 (P22) -| 10 K |- A3
|
|
// /CS1 (P14) -| 11 L |- A4
|
|
// P11 -| 12 M |- A5
|
|
// P10 -| 13 N |- A7
|
|
// A11 (P23) -| 14 P |- A6
|
|
// A9 (P21) -| 15 R |- A8 (P20)
|
|
// +------+
|
|
//
|
|
// NOTE: ADDRESS A7/A6 PIN ORDER ON PINS N & P.
|
|
// NOTE: MOST CARTS DO NOT CONNECT A10 ON PIN 10.
|
|
//
|
|
// BACK
|
|
// +---------------------------------------------+
|
|
// | A B C D E F G H J K L M N P R |
|
|
// LEFT | | RIGHT
|
|
// | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
|
|
// +---------------------------------------------+
|
|
// FRONT
|
|
//
|
|
// CONTROL PINS:
|
|
// T0(PH0) - SNES RESET
|
|
// CS3(PH3) - SNES /CS
|
|
// /CS1(PH4) - SNES /IRQ
|
|
// /WR(PH5) - SNES /WR
|
|
// /PSEN(PH6) - SNES /RD
|
|
|
|
byte ODY2[] = { 2, 4, 8, 12, 16 };
|
|
byte ody2lo = 0; // Lowest Entry
|
|
byte ody2hi = 4; // Highest Entry
|
|
|
|
byte ody2mapper;
|
|
byte ody2size;
|
|
|
|
// EEPROM MAPPING
|
|
// 07 MAPPER
|
|
// 08 ROM SIZE
|
|
|
|
//******************************************
|
|
// Menu
|
|
//******************************************
|
|
// Base Menu
|
|
static const char* const menuOptionsODY2[] PROGMEM = { FSTRING_SELECT_CART, FSTRING_READ_ROM, FSTRING_SET_SIZE, FSTRING_RESET };
|
|
|
|
void setup_ODY2() {
|
|
// Request 5V
|
|
setVoltage(VOLTS_SET_5V);
|
|
|
|
// Set Address Pins to Output
|
|
// Odyssey 2 uses A0-A13 [A14-A23 UNUSED]
|
|
//A0-A7
|
|
DDRF = 0xFF;
|
|
//A8-A15
|
|
DDRK = 0xFF;
|
|
//A16-A23
|
|
DDRL = 0xFF;
|
|
|
|
// Set Control Pins to Output
|
|
// T0(PH0) ---(PH1) CS3(PH3) /CS1(PH4) /WR(PH5) /RD(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 Control Pins to HIGH
|
|
// T0(PH0) ---(PH1) /CS1(PH4) /WR(PH5) /RD(PH6)
|
|
PORTH |= (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 6);
|
|
|
|
// Set CS3(PH3) to LOW
|
|
PORTH &= ~(1 << 3);
|
|
|
|
// 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_ODY2();
|
|
strcpy(romName, "ODYSSEY2");
|
|
|
|
mode = CORE_ODY2;
|
|
}
|
|
|
|
void ody2Menu() {
|
|
convertPgm(menuOptionsODY2, 4);
|
|
uint8_t mainMenu = question_box(F("ODYSSEY 2 MENU"), menuOptions, 4, 0);
|
|
|
|
switch (mainMenu) {
|
|
case 0:
|
|
// Select Cart
|
|
setCart_ODY2();
|
|
setup_ODY2();
|
|
break;
|
|
|
|
case 1:
|
|
// Read ROM
|
|
sd.chdir("/");
|
|
readROM_ODY2();
|
|
sd.chdir("/");
|
|
break;
|
|
|
|
case 2:
|
|
// Set Size
|
|
setROMSize_ODY2();
|
|
break;
|
|
|
|
case 3:
|
|
// reset
|
|
resetArduino();
|
|
break;
|
|
}
|
|
}
|
|
|
|
//******************************************
|
|
// READ CODE
|
|
//******************************************
|
|
|
|
uint8_t readData_ODY2(uint16_t addr) {
|
|
PORTF = addr & 0xFF; // A0-A7
|
|
PORTK = (addr >> 8) & 0xFF; // A8-A13
|
|
|
|
// Set /PSEN (/CE) to LOW
|
|
PORTH &= ~(1 << 6); // /PSEN LOW (ENABLE)
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
uint8_t ret = PINC;
|
|
|
|
// Pull /PSEN (/CE) to HIGH
|
|
PORTH |= (1 << 6); // /PSEN HIGH (DISABLE)
|
|
|
|
return ret;
|
|
}
|
|
|
|
void readSegment_ODY2(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_ODY2(addr + w);
|
|
sdBuffer[w] = temp;
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
}
|
|
}
|
|
|
|
void bankSwitch_ODY2(uint16_t addr, uint8_t data) {
|
|
PORTF = addr & 0xFF; // A0-A7
|
|
PORTK = (addr >> 8) & 0xFF; // A8-A13
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
// Set /CS1(PH4) to LOW
|
|
PORTH &= ~(1 << 4);
|
|
// Set /WR(PH5) to LOW
|
|
PORTH &= ~(1 << 5);
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
DDRC = 0xFF; // Set to Output
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
PORTC = data;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
|
|
// Set /WR(PH5) to HIGH
|
|
PORTH |= (1 << 5);
|
|
// Set /CS1(PH4) to HIGH
|
|
PORTH |= (1 << 4);
|
|
|
|
DDRC = 0x00; // Reset to Input
|
|
}
|
|
|
|
void readROM_ODY2() {
|
|
strcpy(fileName, romName);
|
|
strcat(fileName, ".bin");
|
|
|
|
// create a new folder for storing rom file
|
|
EEPROM_readAnything(0, foldern);
|
|
sprintf(folder, "ODY2/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);
|
|
|
|
if (ody2mapper == 1) { // A10 CONNECTED
|
|
// Videopac 31: Musician
|
|
// Videopac 40: 4 in 1 Row/4 en 1 Ligne
|
|
readSegment_ODY2(0x0000, 0x1000); // 4K
|
|
}
|
|
// A10 NOT CONNECTED
|
|
else if (ody2size > 2) { // 12K/16K (BANKSWITCH)
|
|
// Videopac+ 55: Neutron Star 12K = 2K x 6 Banks
|
|
// Videopac+ 58: Norseman 12K = 2K x 6 Banks
|
|
// Videopac+ 59: Helicopter Rescue 16K = 2K x 8 Banks
|
|
// Videopac+ 60: Trans American Rally 16K = 2K x 8 Banks
|
|
uint8_t ody2banks = (ody2size * 4) / 2;
|
|
for (int x = (ody2banks - 1); x >= 0; x--) {
|
|
bankSwitch_ODY2(0x80, ~x);
|
|
readSegment_ODY2(0x0400, 0x0C00); // 2K x 6/8 = 12K/16K
|
|
}
|
|
} else { // STANDARD SIZES
|
|
readSegment_ODY2(0x0400, 0x0C00); // 2K
|
|
if (ody2size > 0) {
|
|
readSegment_ODY2(0x1400, 0x1C00); // +2K = 4K
|
|
if (ody2size > 1) {
|
|
readSegment_ODY2(0x2400, 0x2C00); // +2K = 6K
|
|
readSegment_ODY2(0x3400, 0x3C00); // +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_ODY2() {
|
|
byte newody2size;
|
|
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
|
|
display_Clear();
|
|
if (ody2lo == ody2hi)
|
|
newody2size = ody2lo;
|
|
else {
|
|
uint8_t b = 0;
|
|
int i = ody2lo;
|
|
|
|
display_Clear();
|
|
print_Msg(F("ROM Size: "));
|
|
println_Msg(ODY2[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 == ody2lo)
|
|
i = ody2hi;
|
|
else
|
|
i--;
|
|
|
|
// Only update display after input because of slow LCD library
|
|
display_Clear();
|
|
print_Msg(F("ROM Size: "));
|
|
println_Msg(ODY2[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 == ody2hi)
|
|
i = ody2lo;
|
|
else
|
|
i++;
|
|
|
|
// Only update display after input because of slow LCD library
|
|
display_Clear();
|
|
print_Msg(F("ROM Size: "));
|
|
println_Msg(ODY2[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)
|
|
newody2size = i;
|
|
break;
|
|
}
|
|
}
|
|
display.setCursor(0, 56); // Display selection at bottom
|
|
}
|
|
print_Msg(F("ROM SIZE "));
|
|
print_Msg(ODY2[newody2size]);
|
|
println_Msg(F("K"));
|
|
display_Update();
|
|
delay(1000);
|
|
#else
|
|
if (ody2lo == ody2hi)
|
|
newody2size = ody2lo;
|
|
else {
|
|
setrom:
|
|
String sizeROM;
|
|
for (int i = 0; i < (ody2hi - ody2lo + 1); i++) {
|
|
Serial.print(F("Select ROM Size: "));
|
|
Serial.print(i);
|
|
Serial.print(F(" = "));
|
|
Serial.print(ODY2[i + ody2lo]);
|
|
Serial.println(F("K"));
|
|
}
|
|
Serial.print(F("Enter ROM Size: "));
|
|
while (Serial.available() == 0) {}
|
|
sizeROM = Serial.readStringUntil('\n');
|
|
Serial.println(sizeROM);
|
|
newody2size = sizeROM.toInt() + ody2lo;
|
|
if (newody2size > ody2hi) {
|
|
Serial.println(F("SIZE NOT SUPPORTED"));
|
|
Serial.println(FS(FSTRING_EMPTY));
|
|
goto setrom;
|
|
}
|
|
}
|
|
Serial.print(F("ROM Size = "));
|
|
Serial.print(ODY2[newody2size]);
|
|
Serial.println(F("K"));
|
|
#endif
|
|
EEPROM_writeAnything(8, newody2size);
|
|
ody2size = newody2size;
|
|
}
|
|
|
|
void checkStatus_ODY2() {
|
|
EEPROM_readAnything(7, ody2mapper);
|
|
EEPROM_readAnything(8, ody2size);
|
|
if (ody2mapper > 1) {
|
|
ody2mapper = 0;
|
|
EEPROM_writeAnything(7, ody2mapper);
|
|
}
|
|
if (ody2size > 4) {
|
|
ody2size = 0;
|
|
EEPROM_writeAnything(8, ody2size);
|
|
}
|
|
|
|
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
|
|
display_Clear();
|
|
println_Msg(F("ODYSSEY 2 READER"));
|
|
println_Msg(FS(FSTRING_CURRENT_SETTINGS));
|
|
println_Msg(FS(FSTRING_EMPTY));
|
|
print_Msg(F("MAPPER: "));
|
|
println_Msg(ody2mapper);
|
|
print_Msg(F("ROM SIZE: "));
|
|
print_Msg(ODY2[ody2size]);
|
|
println_Msg(F("K"));
|
|
display_Update();
|
|
wait();
|
|
#else
|
|
Serial.print(F("CURRENT MAPPER: "));
|
|
Serial.println(ody2mapper);
|
|
Serial.print(F("CURRENT ROM SIZE: "));
|
|
Serial.print(ODY2[ody2size]);
|
|
Serial.println(F("K"));
|
|
Serial.println(FS(FSTRING_EMPTY));
|
|
#endif
|
|
}
|
|
|
|
//******************************************
|
|
// CART SELECT CODE
|
|
//******************************************
|
|
struct database_entry_ODY2 {
|
|
byte gameMapper;
|
|
byte gameSize;
|
|
};
|
|
|
|
void readDataLine_ODY2(FsFile& database, struct database_entry_ODY2* entry) {
|
|
// Read mapper
|
|
entry->gameMapper = database.read() - 48;
|
|
|
|
// Skip over semicolon
|
|
database.seekCur(1);
|
|
|
|
// Read rom size
|
|
entry->gameSize = database.read() - 48;
|
|
|
|
// Skip rest of line
|
|
database.seekCur(2);
|
|
}
|
|
|
|
void setCart_ODY2() {
|
|
//go to root
|
|
sd.chdir();
|
|
|
|
struct database_entry_ODY2 entry;
|
|
|
|
// Select starting letter
|
|
byte myLetter = starting_letter();
|
|
|
|
// Open database
|
|
if (myFile.open("ody2cart.txt", O_READ)) {
|
|
seek_first_letter_in_database(myFile, myLetter);
|
|
|
|
if(checkCartSelection(myFile, &readDataLine_ODY2, &entry)) {
|
|
EEPROM_writeAnything(7, entry.gameMapper);
|
|
EEPROM_writeAnything(8, entry.gameSize);
|
|
}
|
|
} else {
|
|
print_FatalError(FS(FSTRING_DATABASE_FILE_NOT_FOUND));
|
|
}
|
|
}
|
|
#endif
|
|
//******************************************
|
|
// End of File
|
|
//******************************************
|