mirror of
https://github.com/sanni/cartreader.git
synced 2024-12-27 05:21:53 +01:00
328 lines
8.1 KiB
C++
328 lines
8.1 KiB
C++
//******************************************
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// TOMY PYUUTA MODULE
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//******************************************
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#ifdef ENABLE_PYUUTA
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// Tomy Pyuuta
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// Cartridge Pinout
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// 36P 2.54mm pitch connector
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//
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// FRONT BACK
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// SIDE SIDE
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// +--------+
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// GND -| 2 1 |- GND
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// /RESET -| 4 3 |- D7
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// J1-6 -| 6 5 |- D6
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// A15/CRUOUT -| 8 7 |- D5
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// A13 -| 10 9 |- D4
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// A12 -| 12 11 |- D3
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// A11 -| 14 13 |- D2
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// A10 -| 16 15 |- D1
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// A9 -| 18 17 |- D0
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// A8 -| 20 19 |- VCC
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// A7 -| 22 21 |- /CS1
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// A3 -| 24 23 |- A14
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// A6 -| 26 25 |- A2
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// A5 -| 28 27 |- A1
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// A4 -| 30 29 |- /DBIN
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// /WE/CPUCLK -| 32 31 |- A0
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// /INT4 /EC -| 34 33 |- SOUND
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// CRUIN -| 36 35 |- /CS0
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// +--------+
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//
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// BACK
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// /CS0 SND A0 /DB A1 A2 A14 /CS1 VCC D0 D1 D2 D3 D4 D5 D6 D7 GND
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// +----------------------------------------------------------------------------+
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// | 35 33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1 |
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// LEFT | | RIGHT
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// | 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 |
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// +----------------------------------------------------------------------------+
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// CRIN /INT /WE A4 A5 A6 A3 A7 A8 A9 A10 A11 A12 A13 A15 J1-6 /RST GND
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// FRONT
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// CONTROL PINS:
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// /RESET(PH0) - SNES RESET
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// /CS0(PH3) - SNES /CS
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// /DBIN(PH4) - SNES /IRQ
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// /CS1(PH6) - SNES /RD
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// NOTE: PYUUTA ADDRESS AND DATA BUS ARE BIG-ENDIAN
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// LEAST SIGNIFICANT IS BIT 7 AND MOST SIGNIFICANT IS BIT 0
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// PCB ADAPTER WIRED FOR DIFFERENCE
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//******************************************
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// VARIABLES
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//******************************************
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byte PYUUTA[] = {8,16,32};
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byte pyuutalo = 0; // Lowest Entry
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byte pyuutahi = 2; // Highest Entry
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byte pyuutasize;
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byte newpyuutasize;
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// EEPROM MAPPING
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// 08 ROM SIZE
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//******************************************
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// MENU
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//******************************************
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// Base Menu
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static const char* const menuOptionsPYUUTA[] PROGMEM = { FSTRING_SELECT_CART, FSTRING_READ_ROM, FSTRING_SET_SIZE, FSTRING_RESET };
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void pyuutaMenu()
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{
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convertPgm(menuOptionsPYUUTA, 4);
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uint8_t mainMenu = question_box(F("TOMY PYUUTA MENU"), menuOptions, 4, 0);
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switch (mainMenu)
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{
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case 0:
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// Select Cart
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setCart_PYUUTA();
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setup_PYUUTA();
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break;
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case 1:
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// Read ROM
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sd.chdir("/");
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readROM_PYUUTA();
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sd.chdir("/");
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break;
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case 2:
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// Set Size
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setROMSize_PYUUTA();
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break;
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case 3:
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// reset
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resetArduino();
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break;
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}
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}
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//******************************************
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// SETUP
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//******************************************
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void setup_PYUUTA()
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{
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// Request 5V
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setVoltage(VOLTS_SET_5V);
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// Set Address Pins to Output
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// PYUUTA uses A0-A15 [A16-A23 UNUSED]
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//A0-A7
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DDRF = 0xFF;
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//A8-A15
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DDRK = 0xFF;
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//A16-A23
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DDRL = 0xFF;
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// Set Control Pins to Output
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// /RST(PH0) ---(PH1) /CS0(PH3) /DBIN(PH4) ---(PH5) /CS1(PH6)
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DDRH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
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// Set TIME(PJ0) to Output (UNUSED)
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DDRJ |= (1 << 0);
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// Set Pins (D0-D7) to Input
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DDRC = 0x00;
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// Setting Control Pins to HIGH
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// /RST(PH0) ---(PH1) /CS0(PH3) /DBIN(PH4) ---(PH5) /CS1(PH6)
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PORTH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
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// Set Unused Data Pins (PA0-PA7) to Output
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DDRA = 0xFF;
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// Set Unused Pins HIGH
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PORTA = 0xFF;
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PORTL = 0xFF; // A16-A23
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PORTJ |= (1 << 0); // TIME(PJ0)
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checkStatus_PYUUTA();
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strcpy(romName, "PYUUTA");
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mode = CORE_PYUUTA;
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}
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//******************************************
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// READ FUNCTIONS
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//******************************************
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uint8_t readData_PYUUTA(uint16_t addr)
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{
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PORTF = addr & 0xFF; // A0-A7
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PORTK = (addr >> 8) & 0xFF; // A8-A15
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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uint8_t ret = PINC;
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return ret;
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}
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void readSegment_PYUUTA(uint32_t startaddr, uint32_t endaddr)
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{
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for (uint32_t addr = startaddr; addr < endaddr; addr += 512) {
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for (int w = 0; w < 512; w++) {
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uint8_t temp = readData_PYUUTA(addr + w);
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sdBuffer[w] = temp;
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}
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myFile.write(sdBuffer, 512);
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}
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}
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//******************************************
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// READ ROM
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//******************************************
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void readROM_PYUUTA()
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{
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createFolderAndOpenFile("PYUUTA", "ROM", romName, "bin");
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//8K $8000-$9FFF
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//16K $8000-$BFFF
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//32K $4000-$BFFF
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PORTH &= ~(1 << 4); // /DBIN(PH4) LOW
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if (pyuutasize > 1) { // 32K [3D CARTS]
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PORTH &= ~(1 << 6); // /CS1(PH6) LOW
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readSegment_PYUUTA(0x4000,0x8000); // +16K = 32K
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PORTH |= (1 << 6); // /CS1(PH6) HIGH
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}
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PORTH &= ~(1 << 3); // /CS0(PH3) LOW
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readSegment_PYUUTA(0x8000,0xA000); // 8K
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PORTH |= (1 << 3); // /CS0(PH3) HIGH
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if (pyuutasize > 0) { // 16K
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PORTH &= ~(1 << 3); // /CS0(PH3) LOW
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readSegment_PYUUTA(0xA000,0xC000); // +8K = 16K
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PORTH |= (1 << 3); // /CS0(PH3) HIGH
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}
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PORTH |= (1 << 4); // /DBIN(PH4) HIGH
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myFile.close();
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printCRC(fileName, NULL, 0);
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println_Msg(FS(FSTRING_EMPTY));
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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}
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//******************************************
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// ROM SIZE
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//******************************************
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#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
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void printRomSize_PYUUTA(int index)
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{
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display_Clear();
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print_Msg(FS(FSTRING_ROM_SIZE));
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println_Msg(PYUUTA[index]);
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}
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#endif
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void setROMSize_PYUUTA()
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{
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byte newpyuutasize;
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#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
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display_Clear();
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if (pyuutalo == pyuutahi)
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newpyuutasize = pyuutalo;
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else {
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newpyuutasize = navigateMenu(pyuutalo, pyuutahi, &printRomSize_PYUUTA);
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display.setCursor(0, 56); // Display selection at bottom
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}
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print_Msg(FS(FSTRING_ROM_SIZE));
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print_Msg(PYUUTA[newpyuutasize]);
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println_Msg(F("KB"));
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display_Update();
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delay(1000);
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#else
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if (pyuutalo == pyuutahi)
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newpyuutasize = pyuutalo;
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else {
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setrom:
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String sizeROM;
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for (int i = 0; i < (pyuutahi - pyuutalo + 1); i++) {
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Serial.print(F("Select ROM Size: "));
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Serial.print(i);
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Serial.print(F(" = "));
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Serial.print(PYUUTA[i + pyuutalo]);
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Serial.println(F("KB"));
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}
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Serial.print(F("Enter ROM Size: "));
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while (Serial.available() == 0) {}
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sizeROM = Serial.readStringUntil('\n');
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Serial.println(sizeROM);
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newpyuutasize = sizeROM.toInt() + pyuutalo;
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if (newpyuutasize > pyuutahi) {
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Serial.println(F("SIZE NOT SUPPORTED"));
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Serial.println(FS(FSTRING_EMPTY));
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goto setrom;
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}
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}
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Serial.print(F("ROM Size = "));
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Serial.print(PYUUTA[newpyuutasize]);
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Serial.println(F("KB"));
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#endif
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EEPROM_writeAnything(8, newpyuutasize);
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pyuutasize = newpyuutasize;
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}
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void checkStatus_PYUUTA()
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{
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EEPROM_readAnything(8, pyuutasize);
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if (pyuutasize > pyuutahi) {
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pyuutasize = 0; // default 8K
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EEPROM_writeAnything(8, pyuutasize);
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}
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#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
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display_Clear();
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println_Msg(F("TOMY PYUUTA"));
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println_Msg(FS(FSTRING_CURRENT_SETTINGS));
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println_Msg(FS(FSTRING_EMPTY));
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print_Msg(FS(FSTRING_ROM_SIZE));
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print_Msg(PYUUTA[pyuutasize]);
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println_Msg(F("KB"));
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display_Update();
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wait();
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#else
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Serial.print(FS(FSTRING_ROM_SIZE));
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Serial.print(PYUUTA[pyuutasize]);
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Serial.println(F("KB"));
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Serial.println(FS(FSTRING_EMPTY));
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#endif
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}
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//******************************************
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// CART SELECT CODE
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//******************************************
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void setCart_PYUUTA()
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{
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//go to root
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sd.chdir();
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byte gameSize;
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// Select starting letter
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//byte myLetter = starting_letter();
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// Open database
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if (myFile.open("pyuutacart.txt", O_READ)) {
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// seek_first_letter_in_database(myFile, myLetter);
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if(checkCartSelection(myFile, &readDataLineSingleDigit, &gameSize)) {
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EEPROM_writeAnything(8, gameSize);
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}
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} else {
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print_FatalError(FS(FSTRING_DATABASE_FILE_NOT_FOUND));
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}
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}
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#endif
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