mirror of
https://github.com/sanni/cartreader.git
synced 2024-09-21 07:39:44 +02:00
2cf7f5dbe7
The `setVoltage()` function should be called even when `ENABLE_VSELECT` is disabled because `ENABLE_3V3FIX` also uses it. There is no resource cost to do this as when both options are disabled the compiler will optimize this function out. This just "future proofs" the code so if that function ever does more it doesn't need updated everywhere. This applies to `setup_FlashVoltage()` as well. The changes to OSCR.cpp are just for code formatting and additional comments to clarify this.
678 lines
17 KiB
C++
678 lines
17 KiB
C++
//******************************************
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// MAGNAVOX ODYSSEY 2 MODULE
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//******************************************
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#if defined(enable_ODY2)
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// Magnavox Odyssey 2
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// Philips Videopac/Videopac+
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// Cartridge Pinout
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// 30P 3.96mm 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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// T0 -| 1 A |- /WR
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// D0 -| 2 B |- GND
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// D1 -| 3 C |- GND
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// D2 -| 4 D |- VCC (+5V)
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// D3 -| 5 E |- CS3
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// D4 -| 6 F |- /PSEN (/CE)
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// D5 -| 7 G |- A0
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// D6 -| 8 H |- A1
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// D7 -| 9 J |- A2
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// A10 (P22) -| 10 K |- A3
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// /CS1 (P14) -| 11 L |- A4
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// P11 -| 12 M |- A5
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// P10 -| 13 N |- A7
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// A11 (P23) -| 14 P |- A6
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// A9 (P21) -| 15 R |- A8 (P20)
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// +------+
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//
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// NOTE: ADDRESS A7/A6 PIN ORDER ON PINS N & P.
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// NOTE: MOST CARTS DO NOT CONNECT A10 ON PIN 10.
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//
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// BACK
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// +---------------------------------------------+
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// | A B C D E F G H J K L M N P R |
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// LEFT | | RIGHT
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// | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
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// +---------------------------------------------+
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// FRONT
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//
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// CONTROL PINS:
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// T0(PH0) - SNES RESET
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// CS3(PH3) - SNES /CS
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// /CS1(PH4) - SNES /IRQ
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// /WR(PH5) - SNES /WR
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// /PSEN(PH6) - SNES /RD
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byte ODY2[] = { 2, 4, 8, 12, 16 };
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byte ody2lo = 0; // Lowest Entry
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byte ody2hi = 4; // Highest Entry
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byte ody2mapper;
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byte newody2mapper;
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byte ody2size;
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byte newody2size;
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// EEPROM MAPPING
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// 07 MAPPER
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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 ody2MenuItem1[] PROGMEM = "Select Cart";
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static const char ody2MenuItem2[] PROGMEM = "Read ROM";
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static const char ody2MenuItem3[] PROGMEM = "Set Size";
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static const char ody2MenuItem4[] PROGMEM = "Reset";
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static const char* const menuOptionsODY2[] PROGMEM = { ody2MenuItem1, ody2MenuItem2, ody2MenuItem3, ody2MenuItem4 };
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void setup_ODY2() {
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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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// Odyssey 2 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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// T0(PH0) ---(PH1) CS3(PH3) /CS1(PH4) /WR(PH5) /RD(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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// T0(PH0) ---(PH1) /CS1(PH4) /WR(PH5) /RD(PH6)
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PORTH |= (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 6);
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// Set CS3(PH3) to LOW
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PORTH &= ~(1 << 3);
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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_ODY2();
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strcpy(romName, "ODYSSEY2");
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mode = mode_ODY2;
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}
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void ody2Menu() {
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convertPgm(menuOptionsODY2, 4);
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uint8_t mainMenu = question_box(F("ODYSSEY 2 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_ODY2();
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wait();
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setup_ODY2();
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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_ODY2();
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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_ODY2();
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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_ODY2(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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// Set /PSEN (/CE) to LOW
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PORTH &= ~(1 << 6); // /PSEN LOW (ENABLE)
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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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// Pull /PSEN (/CE) to HIGH
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PORTH |= (1 << 6); // /PSEN HIGH (DISABLE)
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return ret;
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}
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void readSegment_ODY2(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_ODY2(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 bankSwitch_ODY2(uint16_t addr, uint8_t data) {
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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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// Set /CS1(PH4) to LOW
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PORTH &= ~(1 << 4);
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// Set /WR(PH5) to LOW
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PORTH &= ~(1 << 5);
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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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DDRC = 0xFF; // Set to Output
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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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PORTC = data;
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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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// Set /WR(PH5) to HIGH
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PORTH |= (1 << 5);
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// Set /CS1(PH4) to HIGH
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PORTH |= (1 << 4);
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DDRC = 0x00; // Reset to Input
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}
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void readROM_ODY2() {
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strcpy(fileName, romName);
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strcat(fileName, ".bin");
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// create a new folder for storing rom file
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EEPROM_readAnything(0, foldern);
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sprintf(folder, "ODY2/ROM/%d", foldern);
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sd.mkdir(folder, true);
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sd.chdir(folder);
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display_Clear();
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print_Msg(F("Saving to "));
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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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if (ody2mapper == 1) { // A10 CONNECTED
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// Videopac 31: Musician
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// Videopac 40: 4 in 1 Row/4 en 1 Ligne
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readSegment_ODY2(0x0000, 0x1000); // 4K
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}
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// A10 NOT CONNECTED
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else if (ody2size > 2) { // 12K/16K (BANKSWITCH)
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// Videopac+ 55: Neutron Star 12K = 2K x 6 Banks
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// Videopac+ 58: Norseman 12K = 2K x 6 Banks
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// Videopac+ 59: Helicopter Rescue 16K = 2K x 8 Banks
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// Videopac+ 60: Trans American Rally 16K = 2K x 8 Banks
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uint8_t ody2banks = (ody2size * 4) / 2;
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for (int x = (ody2banks - 1); x >= 0; x--) {
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bankSwitch_ODY2(0x80, ~x);
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readSegment_ODY2(0x0400, 0x0C00); // 2K x 6/8 = 12K/16K
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}
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} else { // STANDARD SIZES
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readSegment_ODY2(0x0400, 0x0C00); // 2K
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if (ody2size > 0) {
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readSegment_ODY2(0x1400, 0x1C00); // +2K = 4K
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if (ody2size > 1) {
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readSegment_ODY2(0x2400, 0x2C00); // +2K = 6K
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readSegment_ODY2(0x3400, 0x3C00); // +2K = 8K
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}
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}
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}
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myFile.close();
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unsigned long crcsize = ODY2[ody2size] * 0x400;
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calcCRC(fileName, crcsize, NULL, 0);
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println_Msg(F(""));
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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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void setROMSize_ODY2() {
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#if (defined(enable_OLED) || defined(enable_LCD))
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display_Clear();
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if (ody2lo == ody2hi)
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newody2size = ody2lo;
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else {
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int b = 0;
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int i = ody2lo;
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display_Clear();
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print_Msg(F("ROM Size: "));
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println_Msg(ODY2[i]);
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println_Msg(F(""));
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#if defined(enable_OLED)
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print_STR(press_to_change_STR, 1);
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print_STR(right_to_select_STR, 1);
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#elif defined(enable_LCD)
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print_STR(rotate_to_change_STR, 1);
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print_STR(press_to_select_STR, 1);
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#endif
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display_Update();
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while (1) {
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b = checkButton();
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if (b == 2) { // Previous (doubleclick)
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if (i == ody2lo)
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i = ody2hi;
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else
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i--;
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// Only update display after input because of slow LCD library
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display_Clear();
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print_Msg(F("ROM Size: "));
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println_Msg(ODY2[i]);
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println_Msg(F(""));
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#if defined(enable_OLED)
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print_STR(press_to_change_STR, 1);
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print_STR(right_to_select_STR, 1);
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#elif defined(enable_LCD)
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print_STR(rotate_to_change_STR, 1);
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print_STR(press_to_select_STR, 1);
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#endif
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display_Update();
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}
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if (b == 1) { // Next (press)
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if (i == ody2hi)
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i = ody2lo;
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else
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i++;
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// Only update display after input because of slow LCD library
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display_Clear();
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print_Msg(F("ROM Size: "));
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println_Msg(ODY2[i]);
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println_Msg(F(""));
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#if defined(enable_OLED)
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print_STR(press_to_change_STR, 1);
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print_STR(right_to_select_STR, 1);
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#elif defined(enable_LCD)
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print_STR(rotate_to_change_STR, 1);
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print_STR(press_to_select_STR, 1);
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#endif
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display_Update();
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}
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if (b == 3) { // Long Press - Execute (hold)
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newody2size = i;
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break;
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}
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}
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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(ODY2[newody2size]);
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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 (ody2lo == ody2hi)
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newody2size = ody2lo;
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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 < (ody2hi - ody2lo + 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(ODY2[i + ody2lo]);
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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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newody2size = sizeROM.toInt() + ody2lo;
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if (newody2size > ody2hi) {
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Serial.println(F("SIZE NOT SUPPORTED"));
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Serial.println(F(""));
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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(ODY2[newody2size]);
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Serial.println(F("K"));
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#endif
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EEPROM_writeAnything(8, newody2size);
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ody2size = newody2size;
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}
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void checkStatus_ODY2() {
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EEPROM_readAnything(7, ody2mapper);
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EEPROM_readAnything(8, ody2size);
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if (ody2mapper > 1) {
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ody2mapper = 0;
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EEPROM_writeAnything(7, ody2mapper);
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}
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if (ody2size > 4) {
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ody2size = 0;
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EEPROM_writeAnything(8, ody2size);
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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("ODYSSEY 2 READER"));
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println_Msg(F("CURRENT SETTINGS"));
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println_Msg(F(""));
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print_Msg(F("MAPPER: "));
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println_Msg(ody2mapper);
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print_Msg(F("ROM SIZE: "));
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print_Msg(ODY2[ody2size]);
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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 MAPPER: "));
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Serial.println(ody2mapper);
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Serial.print(F("CURRENT ROM SIZE: "));
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Serial.print(ODY2[ody2size]);
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Serial.println(F("K"));
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Serial.println(F(""));
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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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FsFile ody2csvFile;
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char ody2game[51]; // title
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char ody2mm[3]; // mapper (A10)
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char ody2rr[3]; // romsize
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char ody2ll[4]; // linelength (previous line)
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unsigned long ody2csvpos; // CSV File Position
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char ody2cartCSV[] = "ody2cart.txt"; // CSV List
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char ody2csvEND[] = "EOF"; // CSV End Marker for scrolling
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bool readLine_ODY2(FsFile& f, char* line, size_t maxLen) {
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for (size_t n = 0; n < maxLen; n++) {
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int c = f.read();
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if (c < 0 && n == 0) return false; // EOF
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if (c < 0 || c == '\n') {
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line[n] = 0;
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return true;
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}
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line[n] = c;
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}
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return false; // line too long
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}
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bool readVals_ODY2(char* ody2game, char* ody2mm, char* ody2rr, char* ody2ll) {
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char line[59];
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ody2csvpos = ody2csvFile.position();
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if (!readLine_ODY2(ody2csvFile, line, sizeof(line))) {
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return false; // EOF or too long
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}
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char* comma = strtok(line, ",");
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int x = 0;
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while (comma != NULL) {
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if (x == 0)
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strcpy(ody2game, comma);
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else if (x == 1)
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strcpy(ody2mm, comma);
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else if (x == 2)
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strcpy(ody2rr, comma);
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else if (x == 3)
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strcpy(ody2ll, comma);
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comma = strtok(NULL, ",");
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x += 1;
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}
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return true;
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}
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bool getCartListInfo_ODY2() {
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bool buttonreleased = 0;
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bool cartselected = 0;
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#if (defined(enable_OLED) || defined(enable_LCD))
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display_Clear();
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println_Msg(F(" HOLD TO FAST CYCLE"));
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display_Update();
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#else
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Serial.println(F("HOLD BUTTON TO FAST CYCLE"));
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#endif
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delay(2000);
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#if defined(enable_OLED)
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buttonVal1 = (PIND & (1 << 7)); // PD7
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#elif defined(enable_LCD)
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boolean buttonVal1 = (PING & (1 << 2)); //PG2
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#endif
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if (buttonVal1 == LOW) { // Button Held - Fast Cycle
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while (1) { // Scroll Game List
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while (readVals_ODY2(ody2game, ody2mm, ody2rr, ody2ll)) {
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if (strcmp(ody2csvEND, ody2game) == 0) {
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ody2csvFile.seek(0); // Restart
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} else {
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#if (defined(enable_OLED) || defined(enable_LCD))
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display_Clear();
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println_Msg(F("CART TITLE:"));
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println_Msg(F(""));
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println_Msg(ody2game);
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display_Update();
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#else
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Serial.print(F("CART TITLE:"));
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|
Serial.println(ody2game);
|
|
#endif
|
|
#if defined(enable_OLED)
|
|
buttonVal1 = (PIND & (1 << 7)); // PD7
|
|
#elif defined(enable_LCD)
|
|
buttonVal1 = (PING & (1 << 2)); //PG2
|
|
#endif
|
|
if (buttonVal1 == HIGH) { // Button Released
|
|
buttonreleased = 1;
|
|
break;
|
|
}
|
|
if (buttonreleased) {
|
|
buttonreleased = 0; // Reset Flag
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#if defined(enable_OLED)
|
|
buttonVal1 = (PIND & (1 << 7)); // PD7
|
|
#elif defined(enable_LCD)
|
|
buttonVal1 = (PING & (1 << 2)); //PG2
|
|
#endif
|
|
if (buttonVal1 == HIGH) // Button Released
|
|
break;
|
|
}
|
|
}
|
|
#if (defined(enable_OLED) || defined(enable_LCD))
|
|
display.setCursor(0, 56);
|
|
println_Msg(F("FAST CYCLE OFF"));
|
|
display_Update();
|
|
#else
|
|
Serial.println(F(""));
|
|
Serial.println(F("FAST CYCLE OFF"));
|
|
Serial.println(F("PRESS BUTTON TO STEP FORWARD"));
|
|
Serial.println(F("DOUBLE CLICK TO STEP BACK"));
|
|
Serial.println(F("HOLD TO SELECT"));
|
|
Serial.println(F(""));
|
|
#endif
|
|
while (readVals_ODY2(ody2game, ody2mm, ody2rr, ody2ll)) {
|
|
if (strcmp(ody2csvEND, ody2game) == 0) {
|
|
ody2csvFile.seek(0); // Restart
|
|
} else {
|
|
#if (defined(enable_OLED) || defined(enable_LCD))
|
|
display_Clear();
|
|
println_Msg(F("CART TITLE:"));
|
|
println_Msg(F(""));
|
|
println_Msg(ody2game);
|
|
display.setCursor(0, 48);
|
|
#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();
|
|
#else
|
|
Serial.print(F("CART TITLE:"));
|
|
Serial.println(ody2game);
|
|
#endif
|
|
while (1) { // Single Step
|
|
int b = checkButton();
|
|
if (b == 1) { // Continue (press)
|
|
break;
|
|
}
|
|
if (b == 2) { // Reset to Start of List (doubleclick)
|
|
byte prevline = strtol(ody2ll, NULL, 10);
|
|
ody2csvpos -= prevline;
|
|
ody2csvFile.seek(ody2csvpos);
|
|
break;
|
|
}
|
|
if (b == 3) { // Long Press - Select Cart (hold)
|
|
newody2mapper = strtol(ody2mm, NULL, 10);
|
|
newody2size = strtol(ody2rr, NULL, 10);
|
|
EEPROM_writeAnything(7, newody2mapper);
|
|
EEPROM_writeAnything(8, newody2size);
|
|
cartselected = 1; // SELECTION MADE
|
|
#if (defined(enable_OLED) || defined(enable_LCD))
|
|
println_Msg(F("SELECTION MADE"));
|
|
display_Update();
|
|
#else
|
|
Serial.println(F("SELECTION MADE"));
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
if (cartselected) {
|
|
cartselected = 0; // Reset Flag
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
#if (defined(enable_OLED) || defined(enable_LCD))
|
|
println_Msg(F(""));
|
|
println_Msg(F("END OF FILE"));
|
|
display_Update();
|
|
#else
|
|
Serial.println(F("END OF FILE"));
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
void checkCSV_ODY2() {
|
|
if (getCartListInfo_ODY2()) {
|
|
#if (defined(enable_OLED) || defined(enable_LCD))
|
|
display_Clear();
|
|
println_Msg(F("CART SELECTED"));
|
|
println_Msg(F(""));
|
|
println_Msg(ody2game);
|
|
display_Update();
|
|
// Display Settings
|
|
display.setCursor(0, 56);
|
|
print_Msg(F("CODE: M"));
|
|
print_Msg(newody2mapper);
|
|
print_Msg(F("/R"));
|
|
println_Msg(newody2size);
|
|
display_Update();
|
|
#else
|
|
Serial.println(F(""));
|
|
Serial.println(F("CART SELECTED"));
|
|
Serial.println(ody2game);
|
|
// Display Settings
|
|
Serial.print(F("CODE: M"));
|
|
Serial.print(newody2mapper);
|
|
Serial.print(F("/R"));
|
|
Serial.println(newody2size);
|
|
Serial.println(F(""));
|
|
#endif
|
|
} else {
|
|
#if (defined(enable_OLED) || defined(enable_LCD))
|
|
display.setCursor(0, 56);
|
|
println_Msg(F("NO SELECTION"));
|
|
display_Update();
|
|
#else
|
|
Serial.println(F("NO SELECTION"));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void setCart_ODY2() {
|
|
#if (defined(enable_OLED) || defined(enable_LCD))
|
|
display_Clear();
|
|
println_Msg(ody2cartCSV);
|
|
display_Update();
|
|
#endif
|
|
sd.chdir();
|
|
sprintf(folder, "ODY2/CSV");
|
|
sd.chdir(folder); // Switch Folder
|
|
ody2csvFile = sd.open(ody2cartCSV, O_READ);
|
|
if (!ody2csvFile) {
|
|
#if (defined(enable_OLED) || defined(enable_LCD))
|
|
display_Clear();
|
|
println_Msg(F("CSV FILE NOT FOUND!"));
|
|
display_Update();
|
|
#else
|
|
Serial.println(F("CSV FILE NOT FOUND!"));
|
|
#endif
|
|
while (1) {
|
|
if (checkButton() != 0)
|
|
setup_ODY2();
|
|
}
|
|
}
|
|
checkCSV_ODY2();
|
|
|
|
ody2csvFile.close();
|
|
}
|
|
#endif
|
|
//******************************************
|
|
// End of File
|
|
//******************************************
|