cartreader/Cart_Reader/PYUUTA.ino
2024-07-08 19:25:29 +02:00

328 lines
8.1 KiB
C++

//******************************************
// TOMY PYUUTA MODULE
//******************************************
#ifdef ENABLE_PYUUTA
// Tomy Pyuuta
// Cartridge Pinout
// 36P 2.54mm pitch connector
//
// FRONT BACK
// SIDE SIDE
// +--------+
// GND -| 2 1 |- GND
// /RESET -| 4 3 |- D7
// J1-6 -| 6 5 |- D6
// A15/CRUOUT -| 8 7 |- D5
// A13 -| 10 9 |- D4
// A12 -| 12 11 |- D3
// A11 -| 14 13 |- D2
// A10 -| 16 15 |- D1
// A9 -| 18 17 |- D0
// A8 -| 20 19 |- VCC
// A7 -| 22 21 |- /CS1
// A3 -| 24 23 |- A14
// A6 -| 26 25 |- A2
// A5 -| 28 27 |- A1
// A4 -| 30 29 |- /DBIN
// /WE/CPUCLK -| 32 31 |- A0
// /INT4 /EC -| 34 33 |- SOUND
// CRUIN -| 36 35 |- /CS0
// +--------+
//
// BACK
// /CS0 SND A0 /DB A1 A2 A14 /CS1 VCC D0 D1 D2 D3 D4 D5 D6 D7 GND
// +----------------------------------------------------------------------------+
// | 35 33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1 |
// LEFT | | RIGHT
// | 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 |
// +----------------------------------------------------------------------------+
// CRIN /INT /WE A4 A5 A6 A3 A7 A8 A9 A10 A11 A12 A13 A15 J1-6 /RST GND
// FRONT
// CONTROL PINS:
// /RESET(PH0) - SNES RESET
// /CS0(PH3) - SNES /CS
// /DBIN(PH4) - SNES /IRQ
// /CS1(PH6) - SNES /RD
// NOTE: PYUUTA ADDRESS AND DATA BUS ARE BIG-ENDIAN
// LEAST SIGNIFICANT IS BIT 7 AND MOST SIGNIFICANT IS BIT 0
// PCB ADAPTER WIRED FOR DIFFERENCE
//******************************************
// VARIABLES
//******************************************
byte PYUUTA[] = {8,16,32};
byte pyuutalo = 0; // Lowest Entry
byte pyuutahi = 2; // Highest Entry
byte pyuutasize;
byte newpyuutasize;
// EEPROM MAPPING
// 08 ROM SIZE
//******************************************
// MENU
//******************************************
// Base Menu
static const char* const menuOptionsPYUUTA[] PROGMEM = { FSTRING_SELECT_CART, FSTRING_READ_ROM, FSTRING_SET_SIZE, FSTRING_RESET };
void pyuutaMenu()
{
convertPgm(menuOptionsPYUUTA, 4);
uint8_t mainMenu = question_box(F("TOMY PYUUTA MENU"), menuOptions, 4, 0);
switch (mainMenu)
{
case 0:
// Select Cart
setCart_PYUUTA();
setup_PYUUTA();
break;
case 1:
// Read ROM
sd.chdir("/");
readROM_PYUUTA();
sd.chdir("/");
break;
case 2:
// Set Size
setROMSize_PYUUTA();
break;
case 3:
// reset
resetArduino();
break;
}
}
//******************************************
// SETUP
//******************************************
void setup_PYUUTA()
{
// Request 5V
setVoltage(VOLTS_SET_5V);
// Set Address Pins to Output
// PYUUTA uses A0-A15 [A16-A23 UNUSED]
//A0-A7
DDRF = 0xFF;
//A8-A15
DDRK = 0xFF;
//A16-A23
DDRL = 0xFF;
// Set Control Pins to Output
// /RST(PH0) ---(PH1) /CS0(PH3) /DBIN(PH4) ---(PH5) /CS1(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
// /RST(PH0) ---(PH1) /CS0(PH3) /DBIN(PH4) ---(PH5) /CS1(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_PYUUTA();
strcpy(romName, "PYUUTA");
mode = CORE_PYUUTA;
}
//******************************************
// READ FUNCTIONS
//******************************************
uint8_t readData_PYUUTA(uint16_t addr)
{
PORTF = addr & 0xFF; // A0-A7
PORTK = (addr >> 8) & 0xFF; // A8-A15
NOP;
NOP;
NOP;
NOP;
NOP;
uint8_t ret = PINC;
return ret;
}
void readSegment_PYUUTA(uint32_t startaddr, uint32_t endaddr)
{
for (uint32_t addr = startaddr; addr < endaddr; addr += 512) {
for (int w = 0; w < 512; w++) {
uint8_t temp = readData_PYUUTA(addr + w);
sdBuffer[w] = temp;
}
myFile.write(sdBuffer, 512);
}
}
//******************************************
// READ ROM
//******************************************
void readROM_PYUUTA()
{
createFolderAndOpenFile("PYUUTA", "ROM", romName, "bin");
//8K $8000-$9FFF
//16K $8000-$BFFF
//32K $4000-$BFFF
PORTH &= ~(1 << 4); // /DBIN(PH4) LOW
if (pyuutasize > 1) { // 32K [3D CARTS]
PORTH &= ~(1 << 6); // /CS1(PH6) LOW
readSegment_PYUUTA(0x4000,0x8000); // +16K = 32K
PORTH |= (1 << 6); // /CS1(PH6) HIGH
}
PORTH &= ~(1 << 3); // /CS0(PH3) LOW
readSegment_PYUUTA(0x8000,0xA000); // 8K
PORTH |= (1 << 3); // /CS0(PH3) HIGH
if (pyuutasize > 0) { // 16K
PORTH &= ~(1 << 3); // /CS0(PH3) LOW
readSegment_PYUUTA(0xA000,0xC000); // +8K = 16K
PORTH |= (1 << 3); // /CS0(PH3) HIGH
}
PORTH |= (1 << 4); // /DBIN(PH4) HIGH
myFile.close();
printCRC(fileName, NULL, 0);
println_Msg(FS(FSTRING_EMPTY));
print_STR(press_button_STR, 1);
display_Update();
wait();
}
//******************************************
// ROM SIZE
//******************************************
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
void printRomSize_PYUUTA(int index)
{
display_Clear();
print_Msg(FS(FSTRING_ROM_SIZE));
println_Msg(PYUUTA[index]);
}
#endif
void setROMSize_PYUUTA()
{
byte newpyuutasize;
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
display_Clear();
if (pyuutalo == pyuutahi)
newpyuutasize = pyuutalo;
else {
newpyuutasize = navigateMenu(pyuutalo, pyuutahi, &printRomSize_PYUUTA);
display.setCursor(0, 56); // Display selection at bottom
}
print_Msg(FS(FSTRING_ROM_SIZE));
print_Msg(PYUUTA[newpyuutasize]);
println_Msg(F("KB"));
display_Update();
delay(1000);
#else
if (pyuutalo == pyuutahi)
newpyuutasize = pyuutalo;
else {
setrom:
String sizeROM;
for (int i = 0; i < (pyuutahi - pyuutalo + 1); i++) {
Serial.print(F("Select ROM Size: "));
Serial.print(i);
Serial.print(F(" = "));
Serial.print(PYUUTA[i + pyuutalo]);
Serial.println(F("KB"));
}
Serial.print(F("Enter ROM Size: "));
while (Serial.available() == 0) {}
sizeROM = Serial.readStringUntil('\n');
Serial.println(sizeROM);
newpyuutasize = sizeROM.toInt() + pyuutalo;
if (newpyuutasize > pyuutahi) {
Serial.println(F("SIZE NOT SUPPORTED"));
Serial.println(FS(FSTRING_EMPTY));
goto setrom;
}
}
Serial.print(F("ROM Size = "));
Serial.print(PYUUTA[newpyuutasize]);
Serial.println(F("KB"));
#endif
EEPROM_writeAnything(8, newpyuutasize);
pyuutasize = newpyuutasize;
}
void checkStatus_PYUUTA()
{
EEPROM_readAnything(8, pyuutasize);
if (pyuutasize > pyuutahi) {
pyuutasize = 0; // default 8K
EEPROM_writeAnything(8, pyuutasize);
}
#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
display_Clear();
println_Msg(F("TOMY PYUUTA"));
println_Msg(FS(FSTRING_CURRENT_SETTINGS));
println_Msg(FS(FSTRING_EMPTY));
print_Msg(FS(FSTRING_ROM_SIZE));
print_Msg(PYUUTA[pyuutasize]);
println_Msg(F("KB"));
display_Update();
wait();
#else
Serial.print(FS(FSTRING_ROM_SIZE));
Serial.print(PYUUTA[pyuutasize]);
Serial.println(F("KB"));
Serial.println(FS(FSTRING_EMPTY));
#endif
}
//******************************************
// CART SELECT CODE
//******************************************
void setCart_PYUUTA()
{
//go to root
sd.chdir();
byte gameSize;
// Select starting letter
//byte myLetter = starting_letter();
// Open database
if (myFile.open("pyuutacart.txt", O_READ)) {
// seek_first_letter_in_database(myFile, myLetter);
if(checkCartSelection(myFile, &readDataLineSingleDigit, &gameSize)) {
EEPROM_writeAnything(8, gameSize);
}
} else {
print_FatalError(FS(FSTRING_DATABASE_FILE_NOT_FOUND));
}
}
#endif