Enable Internal Pull-ups for MD

#1007
sanni · Aug 2, 2024 · bf90513 · bf90513
1 parent b8f0eeb
commit bf90513
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/Cart_Reader/Cart_Reader.ino b/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:             2024-07-08
-   Version:          14.0
+   Date:             2024-08-02
+   Version:          14.1
 
    SD lib: https://github.com/greiman/SdFat
    LCD lib: https://github.com/olikraus/u8g2

diff --git a/Cart_Reader/MD.ino b/Cart_Reader/MD.ino
@@ -697,6 +697,9 @@ void dataOut_MD() {
 void dataIn_MD() {
   DDRC = 0x00;
   DDRA = 0x00;
+  // Enable Internal Pullups (needed for games like Batman Forever that are open bus with random bytes on the last 1MB, so we get a clean 0xFF padding)
+  PORTC = 0xFF;
+  PORTA = 0xFF;
 }
 
 /******************************************

diff --git a/Cart_Reader/OSCR.cpp b/Cart_Reader/OSCR.cpp
@@ -49,7 +49,7 @@
  * String Constants
  **/
 // Firmware Version
-constexpr char PROGMEM FSTRING_VERSION[] = "V14.0";
+constexpr char PROGMEM FSTRING_VERSION[] = "V14.1";
 
 // Universal
 constexpr char PROGMEM FSTRING_RESET[] = "Reset";