mirror of
https://github.com/sanni/cartreader.git
synced 2024-12-25 12:31:54 +01:00
366 lines
9.2 KiB
C++
366 lines
9.2 KiB
C++
//******************************************
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// VSMILE MODULE
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//******************************************
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#ifdef ENABLE_VSMILE
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// V.Smile
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// Cartridge pinout
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// 48P 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 -| 25 1 |- WE
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// RAMCS -| 26 2 |- OE
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// VCC -| 27 3 |- GND
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// CSB2 -| 28 4 |- D3
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// D2 -| 29 5 |- D4
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// D1 -| 30 6 |- D5
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// D0 -| 31 7 |- D6
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// D7 -| 32 8 |- D11
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// D10 -| 33 9 |- D12
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// D9 -| 34 10 |- D13
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// D8 -| 35 11 |- D15
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// D14 -| 36 12 |- A1
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// A17 -| 37 13 |- A2
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// A3 -| 38 14 |- A4
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// |---------|
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// A5 -| 39 15 |- A6
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// A7 -| 40 16 |- A8
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// A18 -| 41 17 |- A19
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// A9 -| 42 18 |- A10
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// A11 -| 43 19 |- A12
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// A13 -| 44 20 |- A14
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// A15 -| 45 21 |- A16
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// A20 -| 46 22 |- A21
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// A22 -| 47 23 |- GND
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// CSB1 -| 48 24 |- VCC
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// +---------+
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//
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// DATA D0-D7 - PORTC
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// DATA D8-D15 - PORTA
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// ADDR A1-A8 - PORTF
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// ADDR A9-A16 - PORTK
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// ADDR A17-A22 - PORTL
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// CONTROL PINS - PORTH
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//******************************************
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// DEFINES
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//******************************************
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#define OE_HIGH PORTH |= (1<<3) // SNES /CART
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#define OE_LOW PORTH &= ~(1<<3)
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#define CSB1_HIGH PORTH |= (1<<6) // SNES /RD
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#define CSB1_LOW PORTH &= ~(1<<6)
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#define CSB2_HIGH PORTH |= (1<<4) // SNES /IRQ
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#define CSB2_LOW PORTH &= ~(1<<4)
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//******************************************
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// VARIABLES
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//******************************************
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byte VSMILE[] = {4,6,8,16};
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byte vsmilelo = 0; // Lowest Entry
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byte vsmilehi = 3; // Highest Entry
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byte vsmilesize;
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byte newvsmilesize;
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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 menuOptionsVSMILE[] PROGMEM = { FSTRING_SELECT_CART, FSTRING_READ_ROM, FSTRING_SET_SIZE, FSTRING_RESET };
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void vsmileMenu()
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{
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convertPgm(menuOptionsVSMILE, 4);
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uint8_t mainMenu = question_box(F("V.SMILE MENU"), menuOptions, 4, 0);
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// wait for user choice to come back from the question box menu
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switch (mainMenu) {
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// Select Cart
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case 0:
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setCart_VSMILE();
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setup_VSMILE();
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break;
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// Read ROM
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case 1:
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sd.chdir("/");
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readROM_VSMILE();
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sd.chdir("/");
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break;
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// Set Size
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case 2:
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setROMSize_VSMILE();
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break;
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// Reset
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case 3:
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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_VSMILE()
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{
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// Request 3.3V
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setVoltage(VOLTS_SET_3V3);
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// Control Pins OE(PH3), CSB2(PH4), CSB1(PH6)
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DDRH = 0x58; // 0b01011000 - CSB1, CSB2, OE [OUTPUT] - Unused Pins [INPUT]
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PORTH = 0xFF; // 0b11111111 - CSB1, CSB2, OE [HIGH] - Unused Pins [HIGH]
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// Address Pins
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DDRF = 0xFF; // Address A1-A8 [OUTPUT]
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DDRK = 0xFF; // Address A9-A16 [OUTPUT]
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DDRL = 0x3F; // Address A17-A22 [OUTPUT] 0b00111111
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// Data Pins
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DDRC = 0x00; // D0-D7 [INPUT]
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DDRA = 0x00; // D8-D15 [INPUT]
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checkStatus_VSMILE();
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strcpy(romName, "VSMILE");
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mode = CORE_VSMILE;
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}
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//******************************************
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// READ FUNCTIONS
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//******************************************
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// Max Single ROM Size 0x800000 (Highest WORD Address = 0x3FFFFF)
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word read_rom_word_VSMILE(unsigned long address)
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{
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PORTL = (address >> 16) & 0xFF;
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PORTK = (address >> 8) & 0xFF;
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PORTF = address & 0xFF;
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_delay_us(1); // Need longer delay
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CSB2_HIGH;
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CSB1_LOW;
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OE_LOW;
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unsigned char data1 = PINC;
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unsigned char data2 = PINA;
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word data = (data1 << 8) | (data2);
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OE_HIGH;
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CSB1_HIGH;
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return data;
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}
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// VSMILE 2ND EPOXY CHIP [+2MB]
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// CSB2 LOW ONLY
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word read_rom2_word_VSMILE(unsigned long address)
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{
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PORTL = (address >> 16) & 0xFF;
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PORTK = (address >> 8) & 0xFF;
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PORTF = address & 0xFF;
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_delay_us(1); // Need longer delay
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CSB1_HIGH;
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CSB2_LOW;
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OE_LOW;
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_delay_us(1); // Need longer delay
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unsigned char data1 = PINC;
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unsigned char data2 = PINA;
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word data = (data1 << 8) | (data2);
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OE_HIGH;
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CSB2_HIGH;
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return data;
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}
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// VSMILE MOTION 16MB 2ND CHIP [+8MB]
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// CSB1 + CSB2 LOW
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word read_rom3_word_VSMILE(unsigned long address)
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{
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PORTL = (address >> 16) & 0xFF;
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PORTK = (address >> 8) & 0xFF;
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PORTF = address & 0xFF;
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CSB1_LOW;
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CSB2_LOW;
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OE_LOW;
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unsigned char data1 = PINC;
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unsigned char data2 = PINA;
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word data = (data1 << 8) | (data2);
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OE_HIGH;
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CSB1_HIGH;
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CSB2_HIGH;
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return data;
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}
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//******************************************
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// READ ROM
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//******************************************
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void readROM_VSMILE()
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{
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createFolderAndOpenFile("VSMILE", "ROM", romName, "bin");
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for (unsigned long address = 0; address < 0x200000; address += 256) { // 4MB
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for (unsigned int x = 0; x < 256; x++) {
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word tempword = read_rom_word_VSMILE(address + x); // CSB1 LOW [CSB2 HIGH]
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sdBuffer[x * 2] = (tempword >> 0x8) & 0xFF;
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sdBuffer[(x * 2) + 1] = tempword & 0xFF;
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}
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myFile.write(sdBuffer, 512);
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}
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if (vsmilesize == 1) { // 6MB - 2 EPOXY CHIPS [4MB + 2MB] Alphabet Park/Care Bears
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for (unsigned long address = 0; address < 0x100000; address += 256) { // +2MB HIGH = 6MB
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for (unsigned int x = 0; x < 256; x++) {
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word tempword = read_rom2_word_VSMILE(address + x); // CSB2 LOW [CSB1 HIGH]
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sdBuffer[x * 2] = (tempword >> 0x8) & 0xFF;
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sdBuffer[(x * 2) + 1] = tempword & 0xFF;
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}
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myFile.write(sdBuffer, 512);
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}
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}
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else if (vsmilesize > 1) { // Normal 8MB
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for (unsigned long address = 0x200000; address < 0x400000; address += 256) { // +4MB = 8MB
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for (unsigned int x = 0; x < 256; x++) {
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word tempword = read_rom_word_VSMILE(address + x); // CSB1 LOW [CSB2 HIGH]
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sdBuffer[x * 2] = (tempword >> 0x8) & 0xFF;
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sdBuffer[(x * 2) + 1] = tempword & 0xFF;
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}
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myFile.write(sdBuffer, 512);
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}
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if (vsmilesize > 2) { // Motion 16MB [8MB + 8MB] - Cars 2/Shrek Forever After/Super WHY!/Toy Story 3
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for (unsigned long address = 0; address < 0x400000; address += 256) { // +8MB HIGH = 16MB
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for (unsigned int x = 0; x < 256; x++) {
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word tempword = read_rom3_word_VSMILE(address + x); // CSB1 + CSB2 LOW
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sdBuffer[x * 2] = (tempword >> 0x8) & 0xFF;
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sdBuffer[(x * 2) + 1] = tempword & 0xFF;
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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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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_VSMILE(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(VSMILE[index]);
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}
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#endif
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void setROMSize_VSMILE()
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{
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byte newvsmilesize;
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#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
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display_Clear();
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if (vsmilelo == vsmilehi)
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newvsmilesize = vsmilelo;
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else {
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newvsmilesize = navigateMenu(vsmilelo, vsmilehi, &printRomSize_VSMILE);
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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(VSMILE[newvsmilesize]);
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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 (vsmilelo == vsmilehi)
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newvsmilesize = vsmilelo;
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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 < (vsmilehi - vsmilelo + 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(VSMILE[i + vsmilelo]);
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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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newvsmilesize = sizeROM.toInt() + vsmilelo;
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if (newvsmilesize > vsmilehi) {
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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(VSMILE[newvsmilesize]);
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Serial.println(F("KB"));
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#endif
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EEPROM_writeAnything(8, newvsmilesize);
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vsmilesize = newvsmilesize;
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}
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void checkStatus_VSMILE()
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{
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EEPROM_readAnything(8, vsmilesize);
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if (vsmilesize > vsmilehi) {
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vsmilesize = 2; // default 8M
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EEPROM_writeAnything(8, vsmilesize);
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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("V.SMILE 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(FS(FSTRING_ROM_SIZE));
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print_Msg(VSMILE[vsmilesize]);
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println_Msg(F("MB"));
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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(VSMILE[vsmilesize]);
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Serial.println(F("MB"));
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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_VSMILE()
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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("vsmilecart.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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