mirror of
https://github.com/sanni/cartreader.git
synced 2024-12-30 15:01:53 +01:00
325 lines
7.7 KiB
C++
325 lines
7.7 KiB
C++
//******************************************
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// CASIO PV-1000/PV-2000 MODULE
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//******************************************
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#ifdef ENABLE_PV1000
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// Casio PV-1000/PV-2000
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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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// VCC -| B01 A01 |- GND
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// NC -| B02 A02 |- NC
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// A14 -| B03 A03 |- A15
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// A12 -| B04 A04 |- A13
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// A10 -| B05 A05 |- A11
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// A8 -| B06 A06 |- A9
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// A6 -| B07 A07 |- A7
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// A4 -| B08 A08 |- A5
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// A2 -| B09 A09 |- A3
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// A0 -| B10 A10 |- A1
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// D6 -| B11 A11 |- D7
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// D4 -| B12 A12 |- D5
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// D2 -| B13 A13 |- D3
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// D0 -| B14 A14 |- D1
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// /CS1 -| B15 A15 |- /CS2
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// /WR -| B16 A16 |- /RD
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// CON -| B17 A17 |- /IORQ
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// VCC -| B18 A18 |- GND
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// +---------+
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//
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// BACK
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// GND NC A15 A13 A11 A9 A7 A5 A3 A1 D7 D5 D3 D1 /CS2 /RD /IO GND
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// +-------------------------------------------------------------------------+
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// | A01 A02 A03 A04 A05 A06 A07 A08 A09 A10 A11 A12 A13 A14 A15 A16 A17 A18 |
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// LEFT | | RIGHT
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// | B01 B02 B03 B04 B05 B06 B07 B08 B09 B10 B11 B12 B13 B14 B15 B16 B17 B18 |
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// +-------------------------------------------------------------------------+
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// VCC NC A14 A12 A10 A8 A6 A4 A2 A0 D6 D4 D2 D0 /CS1 /WR CON VCC
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// FRONT
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// CONTROL PINS:
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// /CS2(PH3) - SNES /CS
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// /CS1(PH4) - SNES /IRQ
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// /WR(PH5) - SNES /WR
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// /RD(PH6) - SNES /RD
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//******************************************
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// VARIABLES
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//******************************************
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byte PV1000[] = {8,16};
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byte pv1000lo = 0; // Lowest Entry
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byte pv1000hi = 1; // Highest Entry
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byte pv1000size;
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byte newpv1000size;
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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 menuOptionsPV1000[] PROGMEM = { FSTRING_SELECT_CART, FSTRING_READ_ROM, FSTRING_SET_SIZE, FSTRING_RESET };
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void pv1000Menu()
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{
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convertPgm(menuOptionsPV1000, 4);
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uint8_t mainMenu = question_box(F("PV-1000 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_PV1000();
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setup_PV1000();
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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_PV1000();
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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_PV1000();
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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_PV1000()
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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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// PV-1000 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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// ---(PH0) ---(PH1) /CS2(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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// ---(PH0) ---(PH1) /CS2(PH3) /CS1(PH4) /WR(PH5) /RD(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_PV1000();
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strcpy(romName, "PV1000");
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mode = CORE_PV1000;
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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_PV1000(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-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 /RD to LOW
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PORTH &= ~(1 << 6); // /RD LOW (ENABLE)
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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 /RD to HIGH
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PORTH |= (1 << 6); // /RD HIGH (DISABLE)
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return ret;
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}
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void readSegment_PV1000(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_PV1000(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_PV1000()
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{
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createFolderAndOpenFile("PV1000", "ROM", romName, "bin");
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if (pv1000size == 0) { // 8K
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PORTH &= ~(1 << 4); // /CS1(PH4) LOW
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readSegment_PV1000(0x0000,0x2000); // 8K
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PORTH |= (1 << 4); // /CS1(PH4) HIGH
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}
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else { // 16K
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PORTH &= ~(1 << 3); // /CS2(PH3) LOW
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readSegment_PV1000(0x0000,0x4000); // 16K
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PORTH |= (1 << 3); // /CS2(PH3) HIGH
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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_PV1000(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(PV1000[index]);
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}
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#endif
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void setROMSize_PV1000()
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{
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byte newpv1000size;
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#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
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display_Clear();
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if (pv1000lo == pv1000hi)
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newpv1000size = pv1000lo;
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else {
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newpv1000size = navigateMenu(pv1000lo, pv1000hi, &printRomSize_PV1000);
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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(PV1000[newpv1000size]);
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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 (pv1000lo == pv1000hi)
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newpv1000size = pv1000lo;
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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 < (pv1000hi - pv1000lo + 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(PV1000[i + pv1000lo]);
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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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newpv1000size = sizeROM.toInt() + pv1000lo;
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if (newpv1000size > pv1000hi) {
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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(PV1000[newpv1000size]);
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Serial.println(F("KB"));
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#endif
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EEPROM_writeAnything(8, newpv1000size);
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pv1000size = newpv1000size;
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}
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void checkStatus_PV1000()
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{
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EEPROM_readAnything(8, pv1000size);
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if (pv1000size > pv1000hi) {
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pv1000size = 0; // default 8K
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EEPROM_writeAnything(8, pv1000size);
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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("CASIO PV-1000"));
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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(PV1000[pv1000size]);
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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(PV1000[pv1000size]);
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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_PV1000()
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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("pv1000cart.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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