GBA: Add basic support for F0088H0 flash

No bank switching yet so ROM limited to 16MB.
Uses flash commands found [here](https://github.com/lesserkuma/FlashGBX/blob/master/FlashGBX/config/fc_AGB_6600M0U0BE.txt)

1 files changed, 93 insertions, 4 deletions

diff --git a/Cart_Reader/GBA.ino b/Cart_Reader/GBA.ino
index 26e9f22..0199e7a 100644
--- a/Cart_Reader/GBA.ino
+++ b/Cart_Reader/GBA.ino
@@ -1940,6 +1940,11 @@ void resetIntel_GBA(unsigned long partitionSize) {
   }

 }

 

+void resetF0088H0_GBA() {

+  writeWord_GBA(0, 0x50);

+  writeWord_GBA(0, 0xFF);

+}

+

 void resetMX29GL128E_GBA() {

   writeWord_GAB(0, 0xF0);

 }

@@ -1977,6 +1982,10 @@ void idFlashrom_GBA() {
   // Intel Strataflash

   if (flashid == 0x8802 || (flashid == 0x8816)) {

     cartSize = 0x2000000;

+  }

+  // F0088H0

+  else if (flashid == 0x8812) {

+    cartSize = 0x1000000;

   } else {

     // Send swapped MX29GL128E/MSP55LV128 ID command to flashrom

     writeWord_GAB(0xAAA, 0xAA);

@@ -2195,6 +2204,31 @@ void eraseIntel4400_GBA() {
     }*/

 }

 

+void eraseF0088H0_GBA() {

+  // If the game is smaller than 16Mbit only erase the needed blocks

+  unsigned long lastBlock = 0xFFFFFF;

+  if (fileSize < 0xFFFFFF)

+    lastBlock = fileSize;

+

+  for (unsigned long currBlock = 0; currBlock < lastBlock; currBlock += 0x40000) {

+    // Unlock Block

+    writeWord_GBA(currBlock, 0x60);

+    writeWord_GBA(currBlock, 0xD0);

+

+    // Erase Command

+    writeWord_GBA(currBlock, 0x20);

+    writeWord_GBA(currBlock, 0xD0);

+

+    // Read the status register

+    word statusReg = readWord_GBA(currBlock);

+    while ((statusReg | 0xFF7F) != 0xFFFF) {

+      statusReg = readWord_GBA(currBlock);

+    }

+    // Blink led

+    blinkLED();

+  }

+}

+

 void sectorEraseMSP55LV128_GBA() {

   unsigned long lastSector = 0xFFFFFF;

 

@@ -2289,6 +2323,49 @@ void writeIntel4000_GBA() {
   }

 }

 

+void writeF0088H0_GBA() {

+  byte sdBuffer[1024];

+

+  //Initialize progress bar

+  uint32_t processedProgressBar = 0;

+  uint32_t totalProgressBar = fileSize;

+  draw_progressbar(0, totalProgressBar);

+

+  for (unsigned long currBlock = 0; currBlock < fileSize; currBlock += 0x40000) {

+    // Blink led

+    blinkLED();

+

+    // Write to flashrom

+    for (unsigned long currSdBuffer = 0; currSdBuffer < 0x40000; currSdBuffer += 1024) {

+      // Fill SD buffer

+      myFile.read(sdBuffer, 1024);

+

+      // Buffered program command

+      writeWord_GBA(currBlock + currSdBuffer, 0xEA);

+      // Write word count (minus 1)

+      writeWord_GBA(currBlock + currSdBuffer, 0x1FF);

+

+      // Write buffer

+      for (word currByte = 0; currByte < 1024; currByte += 2) {

+        // Join two bytes into one word

+        word currWord = ((sdBuffer[currByte + 1] & 0xFF) << 8) | (sdBuffer[currByte] & 0xFF);

+        writeWord_GBA(currBlock + currSdBuffer + currByte, currWord);

+      }

+

+      // Write buffer to flash

+      writeWord_GBA(currBlock + currSdBuffer + 1022, 0xD0);

+

+      // Read the status register at last written address

+      word statusReg = readWord_GBA(currBlock + currSdBuffer + 1022);

+      while ((statusReg | 0xFF7F) != 0xFFFF) {

+        statusReg = readWord_GBA(currBlock + currSdBuffer + 1022);

+      }

+    }

+    processedProgressBar += 0x40000;

+    draw_progressbar(processedProgressBar, totalProgressBar);

+  }

+}

+

 void writeMSP55LV128_GBA() {

   for (unsigned long currSector = 0; currSector < fileSize; currSector += 0x10000) {

     // Blink led

@@ -2415,7 +2492,7 @@ void flashRepro_GBA() {
   // Check flashrom ID's

   idFlashrom_GBA();

 

-  if ((flashid == 0x8802) || (flashid == 0x8816) || (flashid == 0x227E)) {

+  if ((flashid == 0x8802) || (flashid == 0x8816) || (flashid == 0x227E) || (flashid == 0x8812)) {

     print_Msg(F("ID: "));

     print_Msg(flashid_str);

     print_Msg(F(" Size: "));

@@ -2446,6 +2523,10 @@ void flashRepro_GBA() {
     else if (flashid == 0x8816) {

       println_Msg(F("Intel 4400L0ZDQ0"));

     }

+    // F0088H0

+    else if (flashid == 0x8812) {

+      println_Msg(F("F0088H0"));

+    }

     println_Msg("");

     println_Msg(F("This will erase your"));

     println_Msg(F("Repro Cartridge."));

@@ -2486,6 +2567,11 @@ void flashRepro_GBA() {
         display_Update();

         eraseIntel4400_GBA();

         resetIntel_GBA(0x200000);

+      } else if (flashid == 0x8812) {

+        println_Msg(F("Erasing..."));

+        display_Update();

+        eraseF0088H0_GBA();

+        resetF0088H0_GBA();

       } else if (flashid == 0x227E) {

         //if (sectorCheckMX29GL128E_GBA()) {

         //print_FatalError(F("Sector Protected"));

@@ -2516,6 +2602,8 @@ void flashRepro_GBA() {
       display_Update();

       if ((flashid == 0x8802) || (flashid == 0x8816)) {

         writeIntel4000_GBA();

+      } else if (flashid == 0x8812) {

+        writeF0088H0_GBA();

       } else if (flashid == 0x227E) {

         if ((romType == 0xC2) || (romType == 0x89) || (romType == 0x20)) {

           //MX29GL128E (0xC2)

@@ -2544,9 +2632,10 @@ void flashRepro_GBA() {
       } else if (flashid == 0x8816) {

         resetIntel_GBA(0x200000);

         delay(1000);

-      }

-

-      else if (flashid == 0x227E) {

+      } else if (flashid == 0x8812) {

+        resetF0088H0_GBA();

+        delay(1000);

+      } else if (flashid == 0x227E) {

         resetMX29GL128E_GBA();

         delay(1000);

       }