mirror of
https://github.com/sanni/cartreader.git
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284 lines
7.0 KiB
C++
284 lines
7.0 KiB
C++
//******************************************
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// POKEMON MINI MODULE
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//******************************************
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#ifdef enable_POKE
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// Pokemon Mini
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// Cartridge Pinout
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// 32P 0.5mm pitch
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// NOTE: Console SMD connector - 33P 1.0mm pitch
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//
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// TOP ROW BOTTOM ROW
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// +----------+
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// VCC (3.3V) -| B1 |
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// | A1 |- VCC (3.3V)
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// A20 -| B2 |
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// | A2 |- A9/A19
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// A8/A18 -| B3 |
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// | A3 |- A7/A17
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// A6/A16 -| B4 |
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// | A4 |- A5/A15
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// A4/A14 -| B5 |
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// | A5 |- A3/A13
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// A2/A12 -| B6 |
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// | A6 |- A1/A11
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// A0/A10 -| B7 |
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// | A7 |- VCC (3.3V)
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// HALE -| B8 |
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// | -- |
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// LALE -| B9 |
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// | A8 |- GND
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// D0 -| B10 |
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// | A9 |- D1
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// D2 -| B11 |
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// | A10 |- D3
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// D4 -| B12 |
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// | A11 |- D5
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// D6 -| B13 |
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// | A12 |- D7
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// OE -| B14 |
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// | A13 |- IRQ
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// WE -| B15 |
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// | A14 |- CS
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// CARD_N -| B16 |
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// | A15 |- GND
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// GND -| B17 |
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// +----------+
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//
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// TOP
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// +----------------------------------------------------------------------------+
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// | B17 B16 B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 |
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// LEFT | | RIGHT
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// | A15 A14 A13 A12 A11 A10 A9 A8 --- A7 A6 A5 A4 A3 A2 A1 |
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// +----------------------------------------------------------------------------+
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// BOTTOM
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// CONTROL PINS:
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// HALE(PH0) - SNES RESET
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// CS(PH3) - SNES /CS
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// LALE(PH4) - SNES /IRQ
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// WE(PH5) - SNES /WR
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// OE(PH6) - SNES /RD
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// NOTE: SET VOLTAGE TO 3.3V
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//******************************************
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// Defines
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//******************************************
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#define HALE_ENABLE PORTH |= (1 << 0) // LATCH HIGH ADDRESS
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#define HALE_DISABLE PORTH &= ~(1 << 0)
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#define LALE_ENABLE PORTH |= (1 << 4) // LATCH LOW ADDRESS
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#define LALE_DISABLE PORTH &= ~(1 << 4)
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#define CS_ENABLE PORTH |= (1 << 3) // CHIP SELECT
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#define CS_DISABLE PORTH &= ~(1 << 3)
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#define WE_ENABLE PORTH |= (1 << 5) // WRITE ENABLE
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#define WE_DISABLE PORTH &= ~(1 << 5)
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#define OE_ENABLE PORTH |= (1 << 6) // OUTPUT ENABLE
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#define OE_DISABLE PORTH &= ~(1 << 6)
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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 pokeMenuItem1[] PROGMEM = "Read ROM";
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static const char* const menuOptionsPOKE[] PROGMEM = { pokeMenuItem1, string_reset2 };
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void pokeMenu() {
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convertPgm(menuOptionsPOKE, 2);
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uint8_t mainMenu = question_box(F("POKEMON MINI MENU"), menuOptions, 2, 0);
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switch (mainMenu) {
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case 0:
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// Read ROM
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sd.chdir("/");
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readROM_POKE();
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sd.chdir("/");
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break;
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case 1:
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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_POKE() {
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// Request 3.3V
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setVoltage(VOLTS_SET_3V3);
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// Set Address Pins to Output
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// Pokemon Mini uses A0-A9 (DUAL A10-A19) + A20 (CONNECT TO SNES A10) [A11-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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// LALE(PH0) ---(PH1) CS(PH3) HALE(PH4) WE(PH5) OE(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 LOW (DISABLE)
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// LALE(PH0) CS(PH3) HALE(PH4) WE(PH5) OE(PH6)
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PORTH &= ~(1 << 0) & ~(1 << 3) & ~(1 << 4) & ~(1 << 5) & ~(1 << 6);
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// SET CS HIGH
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PORTH |= (1 << 3); // CS HIGH (ENABLE)
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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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PORTH |= (1 << 1); // CPUCLK(PH1)
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PORTL = 0xFF; // A16-A23
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PORTJ |= (1 << 0); // TIME(PJ0)
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strcpy(romName, "POKEMINI");
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mode = mode_POKE;
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}
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//******************************************
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// READ DATA
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//******************************************
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uint8_t readData_POKE(uint32_t addr) {
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// Address Lines A0-A20 = 1MB (ALL ROMS ARE 512K)
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// 100000 = 1 0000 0000 0000 0000 0000 = 100 0000 0000|00 0000 0000
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// High Address A10-A20
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PORTF = (addr >> 10) & 0xFF; // A10-A17
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PORTK = (addr >> 18) & 0x07; // A18-A20
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HALE_ENABLE; // LATCH HIGH ADDRESS
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NOP;
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NOP;
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HALE_DISABLE;
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// Low Address A0-A9
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PORTF = addr & 0xFF; // A0-A7
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PORTK = (addr >> 8) & 0x03; // A8-A9
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LALE_ENABLE; // LATCH LOW ADDRESS
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NOP;
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NOP;
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// Read Enable
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OE_ENABLE; // OE HIGH
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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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// Data
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uint8_t ret = PINC;
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// Read Disable
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OE_DISABLE; // OE LOW
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NOP;
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NOP;
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NOP;
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NOP;
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LALE_DISABLE;
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return ret;
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}
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//******************************************
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// WRITE DATA
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//******************************************
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void writeData_POKE(uint32_t addr, uint8_t data) {
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// High Address A10-A20
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PORTF = (addr >> 10) & 0xFF; // A10-A17
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PORTK = (addr >> 18) & 0x07; // A18-A20
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HALE_ENABLE; // LATCH HIGH ADDRESS
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NOP;
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NOP;
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HALE_DISABLE;
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// Low Address A0-A9
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PORTF = addr & 0xFF; // A0-A7
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PORTK = (addr >> 8) & 0x03; // A8-A9
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LALE_ENABLE; // LATCH LOW ADDRESS
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// Set Data to Output
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DDRC = 0xFF;
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PORTC = data;
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// Write Enable
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WE_ENABLE; // WE HIGH
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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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// Write Disable
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WE_DISABLE; // OE LOW
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NOP;
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NOP;
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NOP;
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NOP;
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LALE_DISABLE;
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// Reset Data to Input
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DDRC = 0x00;
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}
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//******************************************
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// READ ROM
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//******************************************
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void readROM_POKE() {
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strcpy(fileName, romName);
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strcat(fileName, ".min");
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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, "POKE/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_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(sd_error_STR);
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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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for (uint32_t addr = 0; addr < 0x80000; addr += 512) { // 512K
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for (int w = 0; w < 512; w++) {
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uint8_t temp = readData_POKE(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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myFile.close();
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compareCRC("pkmn.txt", 0, 1, 0);
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println_Msg(F(""));
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// Prints string out of the common strings array either with or without newline
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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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#endif
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