9.4: Add selecting mapping from database list for NES

Cart_Reader/COLV.ino

@@ -372,7 +372,6 @@ void checkStatus_COL()
 // CART SELECT CODE
 //******************************************
 void setCart_COL() {
-  //Search for CRC32 in file
   char gamename[100];
   char tempStr2[2];
   char crc_search[9];
@@ -380,8 +379,46 @@ void setCart_COL() {
   //go to root
   sd.chdir();
 
+  // Select starting letter
+  byte myLetter = starting_letter();
+
   // Open database
   if (myFile.open("colv.txt", O_READ)) {
+    // Skip ahead to selected starting letter
+    if ((myLetter > 0) && (myLetter <= 26)) {
+      while (myFile.available()) {
+        // Read current name
+        get_line(gamename, &myFile, 96);
+
+        // Compare selected letter with first letter of current name until match
+        while (gamename[0] != 64 + myLetter) {
+          skip_line(&myFile);
+          skip_line(&myFile);
+          get_line(gamename, &myFile, 96);
+        }
+        break;
+      }
+
+      // Rewind one line
+      for (byte count_newline = 0; count_newline < 2; count_newline++) {
+        while (1) {
+          if (myFile.curPosition() == 0) {
+            break;
+          }
+          else if (myFile.peek() == '\n') {
+            myFile.seekSet(myFile.curPosition() - 1);
+            break;
+          }
+          else {
+            myFile.seekSet(myFile.curPosition() - 1);
+          }
+        }
+      }
+      if (myFile.curPosition() != 0)
+        myFile.seekSet(myFile.curPosition() + 2);
+    }
+
+    // Display database
     while (myFile.available()) {
       display_Clear();
 
@@ -520,8 +557,7 @@ void setCart_COL() {
     }
   }
   else {
-    println_Msg(F("Database file not found"));
+    print_Error(F("Database file not found"), true);
-    return 0;
   }
 }
 #endif

Cart_Reader/Cart_Reader.ino

@@ -4,8 +4,8 @@
    This project represents a community-driven effort to provide
    an easy to build and easy to modify cartridge dumper.
 
-   Date:             03.08.2022
+   Date:             06.08.2022
-   Version:          9.3
+   Version:          9.4
 
    SD lib: https://github.com/greiman/SdFat
    OLED lib: https://github.com/adafruit/Adafruit_SSD1306
@@ -60,7 +60,7 @@
 
 **********************************************************************************/
 
-char ver[5] = "9.3";
+char ver[5] = "9.4";
 
 //******************************************
 // !!! CHOOSE HARDWARE VERSION !!!
@@ -691,6 +691,108 @@ boolean compareCRC(char* database, char* crcString, boolean renamerom, int offse
 #endif
 }
 
+byte starting_letter() {
+#if (defined(enable_LCD) || defined(enable_OLED))
+  byte selection = 0;
+  byte line = 0;
+
+  display_Clear();
+#if defined(enable_LCD)
+  println_Msg(F("[#] [A] [B] [C] [D] [E] [F]"));
+  println_Msg(F(""));
+  println_Msg(F("[G] [H] [ I ] [J] [K] [L] [M]"));
+  println_Msg(F(""));
+  println_Msg(F("[N] [O] [P] [Q] [R] [S] [T]"));
+  println_Msg(F(""));
+  println_Msg(F("[U] [V] [W] [X] [Y] [Z] [?]"));
+#elif defined(enable_OLED)
+  println_Msg(F("#  A  B  C  D  E  F"));
+  println_Msg(F(""));
+  println_Msg(F("G  H  I  J  K  L  M"));
+  println_Msg(F(""));
+  println_Msg(F("N  O  P  Q  R  S  T"));
+  println_Msg(F(""));
+  println_Msg(F("U  V  W  X  Y  Z  ?"));
+#endif
+
+  // Draw selection line
+#if defined(enable_LCD)
+  display.setDrawColor(1);
+  display.drawLine(4 + selection * 16, 10 + line * 16, 9 + selection * 16, 10 + line * 16);
+#elif defined(enable_OLED)
+  display.drawLine(selection * 18, 10 + line * 16, 5 + selection * 18, 10 + line * 16, WHITE);
+#endif
+  display_Update();
+
+  while (1) {
+    int b = checkButton();
+    if (b == 2) { // Previous
+      if ((selection == 0) && (line > 0)) {
+        line--;
+        selection = 6;
+      }
+      else if (selection > 0) {
+        selection--;
+      }
+#if defined(enable_LCD)
+      display.setDrawColor(0);
+      display.drawLine(0, 10 + (line + 1) * 16, 128, 10 + (line + 1) * 16);
+      display.drawLine(0, 10 + line * 16, 128, 10 + line * 16);
+      display.setDrawColor(1);
+      display.drawLine(4 + selection * 16, 10 + line * 16, 9 + selection * 16, 10 + line * 16);
+#elif defined(enable_OLED)
+      display.drawLine(0, 10 + (line + 1) * 16, 128, 10 + (line + 1) * 16, BLACK);
+      display.drawLine(0, 10 + line * 16, 128, 10 + line * 16, BLACK);
+      display.drawLine(selection * 18, 10 + line * 16, 5 + selection * 18, 10 + line * 16, WHITE);
+#endif
+      display_Update();
+
+    }
+
+    else if (b == 1) { // Next
+      if ((selection == 6) && (line < 3)) {
+        line++;
+        selection = 0;
+      }
+      else if (selection < 6) {
+        selection++;
+      }
+#if defined(enable_LCD)
+      display.setDrawColor(0);
+      display.drawLine(0, 10 + (line - 1) * 16, 128, 10 + (line - 1) * 16);
+      display.drawLine(0, 10 + line * 16, 128, 10 + line * 16);
+      display.setDrawColor(1);
+      display.drawLine(4 + selection * 16, 10 + line * 16, 9 + selection * 16, 10 + line * 16);
+#elif defined(enable_OLED)
+      display.drawLine(0, 10 + (line - 1) * 16, 128, 10 + (line - 1) * 16, BLACK);
+      display.drawLine(0, 10 + line * 16, 128, 10 + line * 16, BLACK);
+      display.drawLine(selection * 18, 10 + line * 16, 5 + selection * 18, 10 + line * 16, WHITE);
+#endif
+      display_Update();
+    }
+
+    else if (b == 3) { // Long Press - Execute
+      display_Clear();
+      println_Msg(F(""));
+      println_Msg(F(""));
+      println_Msg(F(""));
+      println_Msg(F("Please wait..."));
+      display_Update();
+      break;
+    }
+  }
+  return (selection + line * 7);
+#elif defined(SERIAL_MONITOR)
+  Serial.println(F("Enter first letter: "));
+  while (Serial.available() == 0) {
+  }
+
+  // Read the incoming byte:
+  byte incomingByte = Serial.read();
+  return incomingByte;
+#endif
+}
+
 /******************************************
   Main menu optimized for rotary encoder
 *****************************************/
@@ -759,7 +861,13 @@ void mainMenu() {
       display_Update();
       setup_NES();
 #ifdef no-intro
-      checkStatus_NES(getMapping());
+      if (getMapping() == 0) {
+        selectMapping();
+        checkStatus_NES(0);
+      }
+      else {
+        checkStatus_NES(1);
+      }
 #else
       checkStatus_NES(0);
 #endif
@@ -1001,7 +1109,13 @@ void consoleMenu() {
       display_Update();
       setup_NES();
 #ifdef no-intro
-      checkStatus_NES(getMapping());
+      if (getMapping() == 0) {
+        selectMapping();
+        checkStatus_NES(0);
+      }
+      else {
+        checkStatus_NES(1);
+      }
 #else
       checkStatus_NES(0);
 #endif

Cart_Reader/INTV.ino

@@ -757,8 +757,10 @@ void checkStatus_INTV()
 #endif
 }
 
+//******************************************
+// CART SELECT CODE
+//******************************************
 void setCart_INTV() {
-  //Search for CRC32 in file
   char gamename[100];
   char tempStr2[2];
   char crc_search[9];
@@ -766,8 +768,46 @@ void setCart_INTV() {
   //go to root
   sd.chdir();
 
+  // Select starting letter
+  byte myLetter = starting_letter();
+
   // Open database
   if (myFile.open("intv.txt", O_READ)) {
+    // Skip ahead to selected starting letter
+    if ((myLetter > 0) && (myLetter <= 26)) {
+      while (myFile.available()) {
+        // Read current name
+        get_line(gamename, &myFile, 96);
+
+        // Compare selected letter with first letter of current name until match
+        while (gamename[0] != 64 + myLetter) {
+          skip_line(&myFile);
+          skip_line(&myFile);
+          get_line(gamename, &myFile, 96);
+        }
+        break;
+      }
+
+      // Rewind one line
+      for (byte count_newline = 0; count_newline < 2; count_newline++) {
+        while (1) {
+          if (myFile.curPosition() == 0) {
+            break;
+          }
+          else if (myFile.peek() == '\n') {
+            myFile.seekSet(myFile.curPosition() - 1);
+            break;
+          }
+          else {
+            myFile.seekSet(myFile.curPosition() - 1);
+          }
+        }
+      }
+      if (myFile.curPosition() != 0)
+        myFile.seekSet(myFile.curPosition() + 2);
+    }
+
+    // Display database
     while (myFile.available()) {
       display_Clear();
 
@@ -916,8 +956,7 @@ void setCart_INTV() {
     }
   }
   else {
-    println_Msg(F("Database file not found"));
+    print_Error(F("Database file not found"), true);
-    return 0;
   }
 }
 #endif

Cart_Reader/NES.ino

@@ -603,6 +603,266 @@ boolean getMapping() {
   }
 }
 
+void selectMapping() {
+  char gamename[100];
+  char tempStr2[2];
+  char iNES_STR[33];
+  char crc_search[9];
+
+  //go to root
+  sd.chdir();
+
+  // Select starting letter
+  byte myLetter = starting_letter();
+
+  // Open database
+  if (myFile.open("nes.txt", O_READ)) {
+    // Skip ahead to selected starting letter
+    if ((myLetter > 0) && (myLetter <= 26)) {
+      while (myFile.available()) {
+        // Read current name
+        get_line(gamename, &myFile, 96);
+
+        // Compare selected letter with first letter of current name until match
+        while (gamename[0] != 64 + myLetter) {
+          skip_line(&myFile);
+          skip_line(&myFile);
+          get_line(gamename, &myFile, 96);
+        }
+        break;
+      }
+
+      // Rewind one line
+      for (byte count_newline = 0; count_newline < 2; count_newline++) {
+        while (1) {
+          if (myFile.curPosition() == 0) {
+            break;
+          }
+          else if (myFile.peek() == '\n') {
+            myFile.seekSet(myFile.curPosition() - 1);
+            break;
+          }
+          else {
+            myFile.seekSet(myFile.curPosition() - 1);
+          }
+        }
+      }
+      if (myFile.curPosition() != 0)
+        myFile.seekSet(myFile.curPosition() + 2);
+    }
+
+    // Display database
+    while (myFile.available()) {
+      display_Clear();
+
+      // Read game name
+#if defined(enable_OLED)
+      get_line(gamename, &myFile, 42);
+#else
+      get_line(gamename, &myFile, 96);
+#endif
+
+      // Read CRC32 checksum
+      sprintf(checksumStr, "%c", myFile.read());
+      for (byte i = 0; i < 7; i++) {
+        sprintf(tempStr2, "%c", myFile.read());
+        strcat(checksumStr, tempStr2);
+      }
+
+      // Skip over semicolon
+      myFile.seekSet(myFile.curPosition() + 1);
+
+      // Read CRC32 of first 512 bytes
+      sprintf(crc_search, "%c", myFile.read());
+      for (byte i = 0; i < 7; i++) {
+        sprintf(tempStr2, "%c", myFile.read());
+        strcat(crc_search, tempStr2);
+      }
+
+      // Skip over semicolon
+      myFile.seekSet(myFile.curPosition() + 1);
+
+      // Read iNES header
+      get_line(iNES_STR, &myFile, 33);
+
+      // Skip every 3rd line
+      skip_line(&myFile);
+
+      // Convert "4E4553" to (0x4E, 0x45, 0x53)
+      byte iNES_BUF[2];
+      for (byte j = 0; j < 16; j++) {
+        sscanf(iNES_STR + j * 2, "%2X", iNES_BUF);
+        iNES_HEADER[j] = iNES_BUF[0];
+      }
+
+      // Convert iNES garbage to useful info (thx to fceux)
+      mapper = (iNES_HEADER[6] >> 4);
+      mapper |= (iNES_HEADER[7] & 0xF0);
+      mapper |= ((iNES_HEADER[8] & 0x0F) << 8);
+
+      // PRG size
+      if ((iNES_HEADER[9] & 0x0F) != 0x0F) {
+        // simple notation
+        prgsize = (iNES_HEADER[4] | ((iNES_HEADER[9] & 0x0F) << 8)); //*16
+      }
+      else {
+        // exponent-multiplier notation
+        prgsize = (((1 << (iNES_HEADER[4] >> 2)) * ((iNES_HEADER[4] & 0b11) * 2 + 1)) >> 14); //*16
+      }
+      if (prgsize != 0)
+        prgsize = (int(log(prgsize) / log(2)));
+
+      // CHR size
+      if ((iNES_HEADER[9] & 0xF0) != 0xF0) {
+        // simple notation
+        chrsize = (uppow2(iNES_HEADER[5] | ((iNES_HEADER[9] & 0xF0) << 4))) * 2; //*4
+      }
+      else {
+        chrsize = (((1 << (iNES_HEADER[5] >> 2)) * ((iNES_HEADER[5] & 0b11) * 2 + 1)) >> 13) * 2; //*4
+      }
+      if (chrsize != 0)
+        chrsize = (int(log(chrsize) / log(2)));
+
+      // RAM size
+      ramsize = ((iNES_HEADER[10] & 0xF0) ? (64 << ((iNES_HEADER[10] & 0xF0) >> 4)) : 0) / 4096; //*4
+      if (ramsize != 0)
+        ramsize = (int(log(ramsize) / log(2)));
+
+      prg = (int_pow(2, prgsize)) * 16;
+      if (chrsize == 0)
+        chr = 0; // 0K
+      else
+        chr = (int_pow(2, chrsize)) * 4;
+      if (ramsize == 0)
+        ram = 0; // 0K
+      else if (mapper == 82)
+        ram = 5; // 5K
+      else
+        ram = (int_pow(2, ramsize)) * 4;
+
+      // Mapper Variants
+      // Identify variant for use across multiple functions
+      if (mapper == 4) { // Check for MMC6/MMC3
+        checkMMC6();
+        if (mmc6)
+          ram = 1; // 1K
+      }
+
+      // Get name
+      byte myLength = 0;
+      for (unsigned int i = 0; i < 20; i++) {
+        // Stop at first "(" to remove "(Country)"
+        if (char(gamename[i]) == 40) {
+          break;
+        }
+        if (((char(gamename[i]) >= 48 && char(gamename[i]) <= 57) || (char(gamename[i]) >= 65 && char(gamename[i]) <= 90) || (char(gamename[i]) >= 97 && char(gamename[i]) <= 122) || (char(gamename[i]) == 32)) && (myLength < 15)) {
+          romName[myLength] = char(gamename[i]);
+          myLength++;
+        }
+      }
+
+      // If name consists out of all japanese characters use CART as name
+      if (myLength == 0) {
+        romName[0] = 'C';
+        romName[1] = 'A';
+        romName[2] = 'R';
+        romName[3] = 'T';
+      }
+      println_Msg(romName);
+      print_Msg(F("MAPPER:   "));
+      println_Msg(mapper);
+      print_Msg(F("PRG SIZE: "));
+      print_Msg(prg);
+      println_Msg(F("K"));
+      print_Msg(F("CHR SIZE: "));
+      print_Msg(chr);
+      println_Msg(F("K"));
+      print_Msg(F("RAM SIZE: "));
+      if (mapper == 0) {
+        print_Msg(ram / 4);
+        println_Msg(F("K"));
+      }
+      else if ((mapper == 16) || (mapper == 80) || (mapper == 159)) {
+        if (mapper == 16)
+          print_Msg(ram * 32);
+        else
+          print_Msg(ram * 16);
+        println_Msg(F("B"));
+      }
+      else if (mapper == 19) {
+        if (ramsize == 2)
+          println_Msg(F("128B"));
+        else {
+          print_Msg(ram);
+          println_Msg(F("K"));
+        }
+      }
+      else {
+        print_Msg(ram);
+        println_Msg(F("K"));
+      }
+      println_Msg(F(""));
+#if defined(enable_OLED)
+      println_Msg(F("Press left to Change"));
+      println_Msg(F("and right to Select"));
+#elif defined(enable_LCD)
+      println_Msg(F("Rotate to Change"));
+      println_Msg(F("Press to Select"));
+#elif defined(SERIAL_MONITOR)
+      println_Msg(F("U/D to Change"));
+      println_Msg(F("Space to Select"));
+#endif
+      display_Update();
+
+      int b = 0;
+      while (1) {
+        // Check button input
+        b = checkButton();
+
+        // Next
+        if (b == 1) {
+          break;
+        }
+
+        // Previous
+        else if (b == 2) {
+          for (byte count_newline = 0; count_newline < 7; count_newline++) {
+            while (1) {
+              if (myFile.curPosition() == 0) {
+                break;
+              }
+              else if (myFile.peek() == '\n') {
+                myFile.seekSet(myFile.curPosition() - 1);
+                break;
+              }
+              else {
+                myFile.seekSet(myFile.curPosition() - 1);
+              }
+            }
+          }
+          if (myFile.curPosition() != 0)
+            myFile.seekSet(myFile.curPosition() + 2);
+          break;
+        }
+
+        // Selection
+        else if (b == 3) {
+          // Save Mapper
+          EEPROM_writeAnything(7, mapper);
+          EEPROM_writeAnything(8, prgsize);
+          EEPROM_writeAnything(9, chrsize);
+          EEPROM_writeAnything(10, ramsize);
+          myFile.close();
+          break;
+        }
+      }
+    }
+  }
+  else {
+    print_Error(F("Database file not found"), true);
+  }
+}
+
 void readRom_NES() {
   // Get name, add extension and convert to char array for sd lib
   strcpy(fileName, romName);
@@ -4267,9 +4527,7 @@ void writeFLASH() {
   sd.chdir(); // root
   filePath[0] = '\0'; // Reset filePath
 }
-
 #endif
-
 //******************************************
 // End of File
 //******************************************