mirror of https://github.com/sanni/cartreader.git
301 lines
7.1 KiB
C++
301 lines
7.1 KiB
C++
//******************************************
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// EMERSON ARCADIA 2001 MODULE
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//******************************************
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#if defined(ENABLE_ARC)
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// Emerson Arcadia 2001
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// Cartridge Pinout
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// 30P 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 |- A13 (A12)
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// VCC (+5V) -| 4 3 |- D3
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// A0 -| 6 5 |- D4
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// A1 -| 8 7 |- D5
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// A2 -| 10 9 |- D6
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// A3 -| 12 11 |- D7
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// A4 -| 14 13 |- D0
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// A5 -| 16 15 |- D2
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// A6 -| 18 17 |- D1
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// A7 -| 20 19 |- NC
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// A8 -| 22 21 |- NC
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// A9 -| 24 23 |- NC
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// A10 -| 26 25 |- GND
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// A11 -| 28 27 |- GND
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// A12 (/EN) -| 30 29 |- NC
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// +-------+
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//
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// BACK
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// +------------------------------------------------------------+
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// | 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 |
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// LEFT | | RIGHT
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// | 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 |
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// +------------------------------------------------------------+
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// FRONT
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//
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byte ARC[] = { 2, 4, 6, 8 };
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byte arclo = 0; // Lowest Entry
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byte archi = 3; // Highest Entry
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byte arcsize;
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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 menuOptionsARC[] PROGMEM = { FSTRING_SELECT_CART, FSTRING_READ_ROM, FSTRING_SET_SIZE, FSTRING_RESET };
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void setup_ARC() {
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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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// Arcadia 2001 uses A0-A13 [A14-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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// ---(PH0) ---(PH1) ---(PH3) ---(PH4) ---(PH5) ---(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 Unused Control Pins to HIGH
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// ---(PH0) ---(PH1) ---(PH3) ---(PH4) ---(PH5) ---(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_ARC();
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strcpy(romName, "ARCADIA");
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mode = CORE_ARC;
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}
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void arcMenu() {
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convertPgm(menuOptionsARC, 4);
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uint8_t mainMenu = question_box(F("ARCADIA 2001 MENU"), menuOptions, 4, 0);
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switch (mainMenu) {
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case 0:
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// Select Cart
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setCart_ARC();
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setup_ARC();
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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_ARC();
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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_ARC();
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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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// READ CODE
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//******************************************
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uint8_t readData_ARC(uint16_t addr) {
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PORTF = addr & 0xFF; // A0-A7
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PORTK = (addr >> 8) & 0xFF; // A8-A13
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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_ARC(uint16_t startaddr, uint16_t endaddr) {
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for (uint16_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_ARC(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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void readROM_ARC() {
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createFolder("ARC", "ROM", romName, "bin");
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display_Clear();
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print_STR(saving_to_STR, 0);
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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// open file on sdcard
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if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
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print_FatalError(create_file_STR);
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}
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// write new folder number back to EEPROM
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foldern++;
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EEPROM_writeAnything(0, foldern);
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readSegment_ARC(0x0000, 0x0800); // 2K
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if (arcsize > 0) {
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readSegment_ARC(0x0800, 0x1000); // +2K = 4K
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if (arcsize > 1) {
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readSegment_ARC(0x2000, 0x2800); // +2K = 6K
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if (arcsize > 2) {
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readSegment_ARC(0x2800, 0x3000); // +2K = 8K
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}
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}
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}
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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_ARC(int index) {
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display_Clear();
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print_Msg(F("ROM Size: "));
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println_Msg(ARC[index]);
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}
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#endif
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void setROMSize_ARC() {
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byte newarcsize;
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#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
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display_Clear();
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if (arclo == archi)
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newarcsize = arclo;
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else {
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newarcsize = navigateMenu(arclo, archi, &printRomSize_ARC);
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display.setCursor(0, 56); // Display selection at bottom
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}
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print_Msg(F("ROM SIZE "));
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print_Msg(ARC[newarcsize]);
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println_Msg(F("K"));
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display_Update();
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delay(1000);
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#else
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if (arclo == archi)
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newarcsize = arclo;
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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 < (archi - arclo + 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(ARC[i + arclo]);
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Serial.println(F("K"));
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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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newarcsize = sizeROM.toInt() + arclo;
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if (newarcsize > archi) {
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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(ARC[newarcsize]);
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Serial.println(F("K"));
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#endif
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EEPROM_writeAnything(8, newarcsize);
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arcsize = newarcsize;
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}
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void checkStatus_ARC() {
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EEPROM_readAnything(8, arcsize);
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if (arcsize > 3) {
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arcsize = 0;
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EEPROM_writeAnything(8, arcsize);
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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("ARCADIA 2001 READER"));
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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(F("ROM SIZE: "));
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print_Msg(ARC[arcsize]);
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println_Msg(F("K"));
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display_Update();
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wait();
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#else
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Serial.print(F("CURRENT ROM SIZE: "));
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Serial.print(ARC[arcsize]);
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Serial.println(F("K"));
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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_ARC() {
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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("arccart.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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//******************************************
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// End of File
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//******************************************
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