remove duplicate code in printing CRC

Cart_Reader/2600.ino

@@ -429,7 +429,6 @@ void readROM_2600() {
         readSegment_2600(0x1200, 0x1E00);
         // Split Read of Last 0x200 bytes
         readDataArray_2600(0x1E00, 0x1F4);
-        myFile.write(sdBuffer, 500);
         for (int z = 0; z < 12; z++) {
           // Set Bank to ensure 0x1FFC-0x1FFF is correct
           readData_2600(0x1FF4 + x);

Cart_Reader/Cart_Reader.ino

@@ -431,7 +431,7 @@ uint32_t calculateCRC(FsFile& infile) {
 }
 
 // Calculate rom's CRC32 from SD
-uint32_t calculateCRC(char* fileName, char* folder, int offset) {
+uint32_t calculateCRC(char* fileName, char* folder, unsigned long offset) {
   FsFile infile;
   uint32_t result;
 
@@ -458,13 +458,8 @@ uint32_t calculateCRC(char* fileName, char* folder, int offset) {
 #if (defined(ENABLE_ODY2) || defined(ENABLE_ARC) || defined(ENABLE_FAIRCHILD) || defined(ENABLE_MSX) || defined(ENABLE_POKE) || defined(ENABLE_2600) || defined(ENABLE_5200) || defined(ENABLE_7800) || defined(ENABLE_C64) || defined(ENABLE_VECTREX) || defined(ENABLE_NES))
 
 void printCRC(char* checkFile, uint32_t* crcCopy, unsigned long offset) {
-  uint32_t crc;
+  uint32_t crc = calculateCRC(checkFile, folder, offset);
   char tempCRC[9];
-  FsFile crcFile = sd.open(checkFile);
-
-  crcFile.seek(offset);
-  crc = calculateCRC(crcFile);
-  crcFile.close();
 
   if (crcCopy != NULL) {
     *crcCopy = crc;

sd/2600.txt

@@ -118,6 +118,9 @@ Bermuda Triangle
 Berzerk
 064
 
+Berzerk Enhanced
+244
+
 Big Bird's Egg Catch
 248