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authorsanni <[email protected]>2024-07-08 19:25:29 +0200
committersanni <[email protected]>2024-07-08 19:25:29 +0200
commit72dfb04624907a9e7236d9bcdc78d21ac633c14a (patch)
tree9010a2e0c1ec8988e6f378493b83919ac48caca9 /Cart_Reader/LJ.ino
parent08cb8213877ec9dd930b0c50ad9c28707b8d2676 (diff)
downloadcartreader-72dfb04624907a9e7236d9bcdc78d21ac633c14a.tar.gz
cartreader-72dfb04624907a9e7236d9bcdc78d21ac633c14a.zip
Add new modules (thx to skaman)
Diffstat (limited to 'Cart_Reader/LJ.ino')
-rw-r--r--Cart_Reader/LJ.ino356
1 files changed, 356 insertions, 0 deletions
diff --git a/Cart_Reader/LJ.ino b/Cart_Reader/LJ.ino
new file mode 100644
index 0000000..8060bc7
--- /dev/null
+++ b/Cart_Reader/LJ.ino
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+//******************************************
+// LITTLE JAMMER MODULE
+//******************************************
+#ifdef ENABLE_LJ
+// Little Jammer
+// Cartridge Pinout
+// 48P 1.25mm pitch connector
+//
+// FORM FACTOR IS SAME AS BANDAI WONDERSWAN/BENESSE POCKET CHALLENGE V2/LITTLE JAMMER PRO
+// WIRING IS COMPLETELY DIFFERENT!
+//
+// LEFT SIDE
+// 1 VSS (GND)
+// 2 A-1
+// 3 A0
+// 4 A1
+// 5 A2
+// 6 A3
+// 7 A4
+// 8 A5
+// 9 A6
+// 10 A7
+// 11 A8
+// 12 A9
+// 13 A10
+// 14 A11
+// 15 A12
+// 16 A13
+// 17 A14
+// 18 A15
+// 19 A16
+// 20 A17
+// 21 A18
+// 22 A19
+// 23 A20
+// 24 VCC (+5V)
+// 25 VCC (+5V)
+// 26 D0
+// 27 D1
+// 28 D2
+// 29 D3
+// 30 D4
+// 31 D5
+// 32 D6
+// 33 D7
+// 34 /WE
+// 35 /RESET
+// 36 /CE
+// 37 /OE
+// 38 VSS (GND)
+// 39 NC
+// 40 NC
+// 41 NC
+// 42 NC
+// 43 NC
+// 44 NC
+// 45 NC
+// 46 NC
+// 47 VSS (GND)
+// 48 VSS (GND)
+// RIGHT SIDE
+
+// CONTROL PINS:
+// /RESET(PH0) - SNES RESET
+// /CE(PH3) - SNES /CS
+// /WE(PH5) - SNES /WR
+// /OE(PH6) - SNES /RD
+
+// LITTLE JAMMER DIRECT ADDRESSING
+// 1 1111 1111 1111 1111 1111
+// 1 F F F F F = 0x1FFFFF
+// Size = 0x200000 = 2MB
+//
+// A20 connection on Pin 23 = 0x400000 = 4MB
+// 11 1111 1111 1111 1111 1111
+// 3 F F F F F = 0x3FFFFF
+// Size = 0x400000 = 4MB
+
+//******************************************
+// VARIABLES
+//******************************************
+byte LJ[] = {1,2,4};
+byte ljlo = 0; // Lowest Entry
+byte ljhi = 2; // Highest Entry
+byte ljsize;
+byte newljsize;
+
+boolean ljflashfound = false;
+byte ljbytecheck;
+
+// EEPROM MAPPING
+// 08 ROM SIZE
+
+//******************************************
+// MENU
+//******************************************
+// Base Menu
+static const char* const menuOptionsLJ[] PROGMEM = { FSTRING_SELECT_CART, FSTRING_READ_ROM, FSTRING_SET_SIZE, FSTRING_RESET };
+
+void ljMenu()
+{
+ convertPgm(menuOptionsLJ, 4);
+ uint8_t mainMenu = question_box(F("LITTLE JAMMER MENU"), menuOptions, 4, 0);
+
+ switch (mainMenu)
+ {
+ // Select Cart
+ case 0:
+ setCart_LJ();
+ setup_LJ();
+ break;
+
+ // Read ROM
+ case 1:
+ sd.chdir("/");
+ readROM_LJ();
+ sd.chdir("/");
+ break;
+
+ // Set Size
+ case 2:
+ setROMSize_LJ();
+ break;
+
+ // Reset
+ case 3:
+ resetArduino();
+ break;
+ }
+}
+
+//******************************************
+// SETUP
+//******************************************
+
+void setup_LJ()
+{
+ // Request 5V
+ setVoltage(VOLTS_SET_5V);
+
+ // Set Address Pins to Output
+ // LITTLE JAMMER uses A(-1)-A19 wired to A0-A20 [A21-A23 UNUSED]
+ //A0-A7
+ DDRF = 0xFF;
+ //A8-A15
+ DDRK = 0xFF;
+ //A16-A23
+ DDRL = 0xFF;
+
+ // Set Control Pins to Output
+ // /RST(PH0) ---(PH1) /CE(PH3) ---(PH4) /WR(PH5) /OE(PH6)
+ DDRH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
+
+ // Set TIME(PJ0) to Output (UNUSED)
+ DDRJ |= (1 << 0);
+
+ // Set Pins (D0-D7) to Input
+ DDRC = 0x00;
+
+ // Setting Control Pins to HIGH
+ // /RST(PH0) ---(PH1) /CE(PH3) ---(PH4) /WR(PH5) /OE(PH6)
+ PORTH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
+
+ // Set Unused Data Pins (PA0-PA7) to Output
+ DDRA = 0xFF;
+
+ // Set Unused Pins HIGH
+ PORTA = 0xFF;
+ PORTJ |= (1 << 0); // TIME(PJ0)
+
+ checkStatus_LJ();
+ strcpy(romName, "LJ");
+
+ mode = CORE_LJ;
+}
+
+//******************************************
+// READ FUNCTIONS
+//******************************************
+
+uint8_t readData_LJ(uint32_t addr)
+{
+ PORTF = addr & 0xFF; // A(-1)-A6
+ PORTK = (addr >> 8) & 0xFF; // A7-A14
+ PORTL = (addr >> 16) & 0xFF; // A15-A20
+ NOP;
+ NOP;
+
+ // switch /CE(PH3) to LOW
+ PORTH &= ~(1 << 3);
+ // switch /OE(PH6) to LOW
+ PORTH &= ~(1 << 6);
+ NOP;
+ NOP;
+
+ uint8_t ret = PINC;
+
+ // switch /CE(PH3) and /OE(PH6) to HIGH
+ PORTH |= (1 << 3) | (1 << 6);
+
+ return ret;
+}
+
+void readSegment_LJ(uint32_t startaddr, uint32_t endaddr)
+{
+ for (uint32_t addr = startaddr; addr < endaddr; addr += 512) {
+ for (int w = 0; w < 512; w++) {
+ uint8_t temp = readData_LJ(addr + w);
+ sdBuffer[w] = temp;
+ }
+ myFile.write(sdBuffer, 512);
+ }
+}
+
+//******************************************
+// READ ROM
+//******************************************
+
+void readROM_LJ()
+{
+ createFolderAndOpenFile("LJ", "ROM", romName, "bin");
+
+ // Maximum Direct Address Size is 4MB
+ readSegment_LJ(0x000000,0x100000); // 1MB
+ if (ljsize > 0) // 2MB/4MB
+ {
+ readSegment_LJ(0x100000,0x200000); // +1MB = 2MB
+ if (ljsize > 1) // 4MB
+ {
+ readSegment_LJ(0x200000,0x400000); // +2MB = 4MB
+ }
+ }
+ myFile.close();
+
+ printCRC(fileName, NULL, 0);
+
+ println_Msg(FS(FSTRING_EMPTY));
+ print_STR(press_button_STR, 1);
+ display_Update();
+ wait();
+}
+
+//******************************************
+// ROM SIZE
+//******************************************
+
+#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
+void printRomSize_LJ(int index)
+{
+ display_Clear();
+ print_Msg(FS(FSTRING_ROM_SIZE));
+ println_Msg(LJ[index]);
+}
+#endif
+
+void setROMSize_LJ()
+{
+ byte newljsize;
+#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
+ display_Clear();
+ if (ljlo == ljhi)
+ newljsize = ljlo;
+ else {
+ newljsize = navigateMenu(ljlo, ljhi, &printRomSize_LJ);
+
+ display.setCursor(0, 56); // Display selection at bottom
+ }
+ print_Msg(FS(FSTRING_ROM_SIZE));
+ print_Msg(LJ[newljsize]);
+ println_Msg(F("KB"));
+ display_Update();
+ delay(1000);
+#else
+ if (ljlo == ljhi)
+ newljsize = ljlo;
+ else {
+setrom:
+ String sizeROM;
+ for (int i = 0; i < (ljhi - ljlo + 1); i++) {
+ Serial.print(F("Select ROM Size: "));
+ Serial.print(i);
+ Serial.print(F(" = "));
+ Serial.print(LJ[i + ljlo]);
+ Serial.println(F("KB"));
+ }
+ Serial.print(F("Enter ROM Size: "));
+ while (Serial.available() == 0) {}
+ sizeROM = Serial.readStringUntil('\n');
+ Serial.println(sizeROM);
+ newljsize = sizeROM.toInt() + ljlo;
+ if (newljsize > ljhi) {
+ Serial.println(F("SIZE NOT SUPPORTED"));
+ Serial.println(FS(FSTRING_EMPTY));
+ goto setrom;
+ }
+ }
+ Serial.print(F("ROM Size = "));
+ Serial.print(LJ[newljsize]);
+ Serial.println(F("KB"));
+#endif
+ EEPROM_writeAnything(8, newljsize);
+ ljsize = newljsize;
+}
+
+void checkStatus_LJ()
+{
+ EEPROM_readAnything(8, ljsize);
+ if (ljsize > ljhi) {
+ ljsize = 1; // default 2M
+ EEPROM_writeAnything(8, ljsize);
+ }
+
+#if (defined(ENABLE_OLED) || defined(ENABLE_LCD))
+ display_Clear();
+ println_Msg(F("LITTLE JAMMER"));
+ println_Msg(FS(FSTRING_CURRENT_SETTINGS));
+ println_Msg(FS(FSTRING_EMPTY));
+ print_Msg(FS(FSTRING_ROM_SIZE));
+ print_Msg(LJ[ljsize]);
+ println_Msg(F("MB"));
+ display_Update();
+ wait();
+#else
+ Serial.print(FS(FSTRING_ROM_SIZE));
+ Serial.print(LJ[ljsize]);
+ Serial.println(F("MB"));
+ Serial.println(FS(FSTRING_EMPTY));
+#endif
+}
+
+//******************************************
+// CART SELECT CODE
+//******************************************
+
+void setCart_LJ()
+{
+ //go to root
+ sd.chdir();
+
+ byte gameSize;
+
+ // Select starting letter
+ //byte myLetter = starting_letter();
+
+ // Open database
+ if (myFile.open("ljcart.txt", O_READ)) {
+ // seek_first_letter_in_database(myFile, myLetter);
+
+ if(checkCartSelection(myFile, &readDataLineSingleDigit, &gameSize)) {
+ EEPROM_writeAnything(8, gameSize);
+ }
+ } else {
+ print_FatalError(FS(FSTRING_DATABASE_FILE_NOT_FOUND));
+ }
+}
+#endif