diff --git a/Cart_Reader/COLV.ino b/Cart_Reader/COLV.ino
index 9f16d84..4ea817e 100644
--- a/Cart_Reader/COLV.ino
+++ b/Cart_Reader/COLV.ino
@@ -399,15 +399,15 @@ void setCart_COL() {
           if (myFile.curPosition() == 0) {
             break;
           } else if (myFile.peek() == '\n') {
-            myFile.seekSet(myFile.curPosition() - 1);
+            myFile.seekCur(-1);
             break;
           } else {
-            myFile.seekSet(myFile.curPosition() - 1);
+            myFile.seekCur(-1);
           }
         }
       }
       if (myFile.curPosition() != 0)
-        myFile.seekSet(myFile.curPosition() + 2);
+        myFile.seekCur(2);
     }
 
     // Display database
@@ -425,7 +425,7 @@ void setCart_COL() {
       }
 
       // Skip over semicolon
-      myFile.seekSet(myFile.curPosition() + 1);
+      myFile.seekCur(1);
 
       // Read CRC32 of first 512 bytes
       sprintf(crc_search, "%c", myFile.read());
@@ -435,7 +435,7 @@ void setCart_COL() {
       }
 
       // Skip over semicolon
-      myFile.seekSet(myFile.curPosition() + 1);
+      myFile.seekCur(1);
 
       // Read rom size
       // Read the next ascii character and subtract 48 to convert to decimal
@@ -449,7 +449,7 @@ void setCart_COL() {
       }
 
       // Skip rest of line
-      myFile.seekSet(myFile.curPosition() + 2);
+      myFile.seekCur(2);
 
       // Skip every 3rd line
       skip_line(&myFile);
@@ -490,15 +490,15 @@ void setCart_COL() {
               if (myFile.curPosition() == 0) {
                 break;
               } else if (myFile.peek() == '\n') {
-                myFile.seekSet(myFile.curPosition() - 1);
+                myFile.seekCur(-1);
                 break;
               } else {
-                myFile.seekSet(myFile.curPosition() - 1);
+                myFile.seekCur(-1);
               }
             }
           }
           if (myFile.curPosition() != 0)
-            myFile.seekSet(myFile.curPosition() + 2);
+            myFile.seekCur(2);
           break;
         }
 
diff --git a/Cart_Reader/Cart_Reader.ino b/Cart_Reader/Cart_Reader.ino
index 7ddf943..6415943 100644
--- a/Cart_Reader/Cart_Reader.ino
+++ b/Cart_Reader/Cart_Reader.ino
@@ -655,7 +655,7 @@ boolean compareCRC(const char* database, char* crcString, boolean renamerom, int
 #ifdef enable_NES
         if ((mode == mode_NES) && (offset != 0)) {
           // Rewind to iNES Header
-          myFile.seekSet(myFile.curPosition() - 36);
+          myFile.seekCur(-36);
 
           char iNES_STR[33];
           // Read iNES header
@@ -668,7 +668,7 @@ boolean compareCRC(const char* database, char* crcString, boolean renamerom, int
             iNES_HEADER[j] = iNES_BUF;
           }
           //Skip CRLF
-          myFile.seekSet(myFile.curPosition() + 4);
+          myFile.seekCur(4);
         }
 #endif // enable_NES
 
diff --git a/Cart_Reader/GBA.ino b/Cart_Reader/GBA.ino
index e435946..5b1054b 100644
--- a/Cart_Reader/GBA.ino
+++ b/Cart_Reader/GBA.ino
@@ -873,7 +873,7 @@ void getCartInfo_GBA() {
         skip_line(&myFile);
 
         // Skip over the CRC checksum
-        myFile.seekSet(myFile.curPosition() + 9);
+        myFile.seekCur(9);
 
         // Read 4 bytes into String, do it one at a time so byte order doesn't get mixed up
         sprintf(tempStr, "%c", myFile.read());
@@ -890,15 +890,15 @@ void getCartInfo_GBA() {
               if (myFile.curPosition() == 0) {
                 break;
               } else if (myFile.peek() == '\n') {
-                myFile.seekSet(myFile.curPosition() - 1);
+                myFile.seekCur(-1);
                 break;
               } else {
-                myFile.seekSet(myFile.curPosition() - 1);
+                myFile.seekCur(-1);
               }
             }
           }
           if (myFile.curPosition() != 0)
-            myFile.seekSet(myFile.curPosition() + 2);
+            myFile.seekCur(2);
 
           // Display database
           while (myFile.available()) {
@@ -908,7 +908,7 @@ void getCartInfo_GBA() {
             get_line(gamename, &myFile, 96);
 
             // Skip over the CRC checksum
-            myFile.seekSet(myFile.curPosition() + 9);
+            myFile.seekCur(9);
 
             // Read 4 bytes into String, do it one at a time so byte order doesn't get mixed up
             sprintf(tempStr, "%c", myFile.read());
@@ -918,7 +918,7 @@ void getCartInfo_GBA() {
             }
 
             // Skip the , in the file
-            myFile.seekSet(myFile.curPosition() + 1);
+            myFile.seekCur(1);
 
             // Read the next ascii character and subtract 48 to convert to decimal
             cartSize = myFile.read() - 48;
@@ -930,7 +930,7 @@ void getCartInfo_GBA() {
             }
 
             // Skip the , in the file
-            myFile.seekSet(myFile.curPosition() + 1);
+            myFile.seekCur(1);
 
             // Read save type into string
             get_line(saveTypeStr, &myFile, 14);
@@ -980,15 +980,15 @@ void getCartInfo_GBA() {
                     if (myFile.curPosition() == 0) {
                       break;
                     } else if (myFile.peek() == '\n') {
-                      myFile.seekSet(myFile.curPosition() - 1);
+                      myFile.seekCur(-1);
                       break;
                     } else {
-                      myFile.seekSet(myFile.curPosition() - 1);
+                      myFile.seekCur(-1);
                     }
                   }
                 }
                 if (myFile.curPosition() != 0)
-                  myFile.seekSet(myFile.curPosition() + 2);
+                  myFile.seekCur(2);
                 break;
               }
 
diff --git a/Cart_Reader/INTV.ino b/Cart_Reader/INTV.ino
index 3fd7590..4acc8f9 100644
--- a/Cart_Reader/INTV.ino
+++ b/Cart_Reader/INTV.ino
@@ -812,15 +812,15 @@ void setCart_INTV() {
           if (myFile.curPosition() == 0) {
             break;
           } else if (myFile.peek() == '\n') {
-            myFile.seekSet(myFile.curPosition() - 1);
+            myFile.seekCur(-1);
             break;
           } else {
-            myFile.seekSet(myFile.curPosition() - 1);
+            myFile.seekCur(-1);
           }
         }
       }
       if (myFile.curPosition() != 0)
-        myFile.seekSet(myFile.curPosition() + 2);
+        myFile.seekCur(2);
     }
 
     // Display database
@@ -838,7 +838,7 @@ void setCart_INTV() {
       }
 
       // Skip over semicolon
-      myFile.seekSet(myFile.curPosition() + 1);
+      myFile.seekCur(1);
 
       // Read CRC32 of first 512 bytes
       sprintf(crc_search, "%c", myFile.read());
@@ -848,13 +848,13 @@ void setCart_INTV() {
       }
 
       // Skip over semicolon
-      myFile.seekSet(myFile.curPosition() + 1);
+      myFile.seekCur(1);
 
       // Read mapper
       intvmapper = myFile.read() - 48;
 
       // Skip over semicolon
-      myFile.seekSet(myFile.curPosition() + 1);
+      myFile.seekCur(1);
 
       // Read rom size
       // Read the next ascii character and subtract 48 to convert to decimal
@@ -868,13 +868,13 @@ void setCart_INTV() {
       }
 
       // Skip over semicolon
-      myFile.seekSet(myFile.curPosition() + 1);
+      myFile.seekCur(1);
 
       // Read SRAM size
       byte sramSize __attribute__ ((unused)) = myFile.read() - 48;
 
       // Skip rest of line
-      myFile.seekSet(myFile.curPosition() + 2);
+      myFile.seekCur(2);
 
       // Skip every 3rd line
       skip_line(&myFile);
@@ -916,15 +916,15 @@ void setCart_INTV() {
               if (myFile.curPosition() == 0) {
                 break;
               } else if (myFile.peek() == '\n') {
-                myFile.seekSet(myFile.curPosition() - 1);
+                myFile.seekCur(-1);
                 break;
               } else {
-                myFile.seekSet(myFile.curPosition() - 1);
+                myFile.seekCur(-1);
               }
             }
           }
           if (myFile.curPosition() != 0)
-            myFile.seekSet(myFile.curPosition() + 2);
+            myFile.seekCur(2);
           break;
         }
 
diff --git a/Cart_Reader/N64.ino b/Cart_Reader/N64.ino
index 2e1e51c..2456603 100644
--- a/Cart_Reader/N64.ino
+++ b/Cart_Reader/N64.ino
@@ -2051,7 +2051,7 @@ void printCartInfo_N64() {
       // Check if string is a match
       if (strcasecmp(tempStr1, crcStr) == 0) {
         // Skip the , in the file
-        myFile.seekSet(myFile.curPosition() + 1);
+        myFile.seekCur(1);
 
         // Read 4 bytes into String, do it one at a time so byte order doesn't get mixed up
         sprintf(tempStr, "%c", myFile.read());
@@ -2071,7 +2071,7 @@ void printCartInfo_N64() {
       }
       // If no match, empty string, advance by 12 and try again
       else {
-        myFile.seekSet(myFile.curPosition() + 12);
+        myFile.seekCur(12);
       }
     }
     // Close the file:
@@ -2106,7 +2106,7 @@ void getCartInfo_N64() {
       skip_line(&myFile);
 
       // Skip over the CRC32 checksum
-      myFile.seekSet(myFile.curPosition() + 9);
+      myFile.seekCur(9);
 
       // Read 8 bytes into String, do it one at a time so byte order doesn't get mixed up
       sprintf(tempStr, "%c", myFile.read());
@@ -2118,7 +2118,7 @@ void getCartInfo_N64() {
       // Check if string is a match
       if (strcmp(tempStr, checksumStr) == 0) {
         // Skip the , in the file
-        myFile.seekSet(myFile.curPosition() + 1);
+        myFile.seekCur(1);
 
         // Read the next ascii character and subtract 48 to convert to decimal
         cartSize = myFile.read() - 48;
@@ -2130,7 +2130,7 @@ void getCartInfo_N64() {
         }
 
         // Skip the , in the file
-        myFile.seekSet(myFile.curPosition() + 1);
+        myFile.seekCur(1);
 
         // Read the next ascii character and subtract 48 to convert to decimal
         saveType = myFile.read() - 48;
@@ -2141,7 +2141,7 @@ void getCartInfo_N64() {
       // If no match skip to next entry
       else {
         // skip rest of line
-        myFile.seekSet(myFile.curPosition() + 7);
+        myFile.seekCur(7);
         // skip third empty line
         skip_line(&myFile);
       }
diff --git a/Cart_Reader/NES.ino b/Cart_Reader/NES.ino
index da43208..301e3b7 100644
--- a/Cart_Reader/NES.ino
+++ b/Cart_Reader/NES.ino
@@ -559,7 +559,7 @@ boolean getMapping() {
         }
 
         // Skip over semicolon
-        myFile.seekSet(myFile.curPosition() + 1);
+        myFile.seekCur(1);
 
         // Read CRC32 of first 512 bytes
         sprintf(crc_search, "%c", myFile.read());
@@ -569,7 +569,7 @@ boolean getMapping() {
         }
 
         // Skip over semicolon
-        myFile.seekSet(myFile.curPosition() + 1);
+        myFile.seekCur(1);
 
         // Read iNES header
         get_line(iNES_STR, &myFile, 33);
@@ -586,15 +586,15 @@ boolean getMapping() {
               if (myFile.curPosition() == 0) {
                 break;
               } else if (myFile.peek() == '\n') {
-                myFile.seekSet(myFile.curPosition() - 1);
+                myFile.seekCur(-1);
                 break;
               } else {
-                myFile.seekSet(myFile.curPosition() - 1);
+                myFile.seekCur(-1);
               }
             }
           }
           if (myFile.curPosition() != 0)
-            myFile.seekSet(myFile.curPosition() + 2);
+            myFile.seekCur(2);
 
 
           // Display database
@@ -612,7 +612,7 @@ boolean getMapping() {
             }
 
             // Skip over semicolon
-            myFile.seekSet(myFile.curPosition() + 1);
+            myFile.seekCur(1);
 
             // Read CRC32 of first 512 bytes
             sprintf(crc_search, "%c", myFile.read());
@@ -622,7 +622,7 @@ boolean getMapping() {
             }
 
             // Skip over semicolon
-            myFile.seekSet(myFile.curPosition() + 1);
+            myFile.seekCur(1);
 
             // Read iNES header
             get_line(iNES_STR, &myFile, 33);
@@ -756,15 +756,15 @@ boolean getMapping() {
                     if (myFile.curPosition() == 0) {
                       break;
                     } else if (myFile.peek() == '\n') {
-                      myFile.seekSet(myFile.curPosition() - 1);
+                      myFile.seekCur(-1);
                       break;
                     } else {
-                      myFile.seekSet(myFile.curPosition() - 1);
+                      myFile.seekCur(-1);
                     }
                   }
                 }
                 if (myFile.curPosition() != 0)
-                  myFile.seekSet(myFile.curPosition() + 2);
+                  myFile.seekCur(2);
                 break;
               }
 
@@ -879,15 +879,15 @@ void selectMapping() {
             if (myFile.curPosition() == 0) {
               break;
             } else if (myFile.peek() == '\n') {
-              myFile.seekSet(myFile.curPosition() - 1);
+              myFile.seekCur(-1);
               break;
             } else {
-              myFile.seekSet(myFile.curPosition() - 1);
+              myFile.seekCur(-1);
             }
           }
         }
         if (myFile.curPosition() != 0)
-          myFile.seekSet(myFile.curPosition() + 2);
+          myFile.seekCur(2);
       }
 
       // Display database
@@ -905,7 +905,7 @@ void selectMapping() {
         }
 
         // Skip over semicolon
-        myFile.seekSet(myFile.curPosition() + 1);
+        myFile.seekCur(1);
 
         // Read CRC32 of first 512 bytes
         sprintf(crc_search, "%c", myFile.read());
@@ -915,7 +915,7 @@ void selectMapping() {
         }
 
         // Skip over semicolon
-        myFile.seekSet(myFile.curPosition() + 1);
+        myFile.seekCur(1);
 
         // Read iNES header
         get_line(iNES_STR, &myFile, 33);
@@ -1040,15 +1040,15 @@ void selectMapping() {
                 if (myFile.curPosition() == 0) {
                   break;
                 } else if (myFile.peek() == '\n') {
-                  myFile.seekSet(myFile.curPosition() - 1);
+                  myFile.seekCur(-1);
                   break;
                 } else {
-                  myFile.seekSet(myFile.curPosition() - 1);
+                  myFile.seekCur(-1);
                 }
               }
             }
             if (myFile.curPosition() != 0)
-              myFile.seekSet(myFile.curPosition() + 2);
+              myFile.seekCur(2);
             break;
           }
 
diff --git a/Cart_Reader/SNES.ino b/Cart_Reader/SNES.ino
index 5a0c8d8..c4383a7 100644
--- a/Cart_Reader/SNES.ino
+++ b/Cart_Reader/SNES.ino
@@ -847,7 +847,7 @@ void checkAltConf(char crcStr[9]) {
       skip_line(&myFile);
 
       // Skip over the CRC checksum
-      myFile.seekSet(myFile.curPosition() + 9);
+      myFile.seekCur(9);
 
       // Get internal ROM checksum as string
       for (byte j = 0; j < 4; j++) {
@@ -862,7 +862,7 @@ void checkAltConf(char crcStr[9]) {
         display_Update();
 
         // Skip the , in the file
-        myFile.seekSet(myFile.curPosition() + 1);
+        myFile.seekCur(1);
 
         // Read the CRC32 of the SNES header out of database
         for (byte k = 0; k < 8; k++) {
@@ -871,13 +871,13 @@ void checkAltConf(char crcStr[9]) {
         tempStr3[8] = '\0';
 
         // Skip the , in the file
-        myFile.seekSet(myFile.curPosition() + 1);
+        myFile.seekCur(1);
 
         // Read file size
         byte romSize2 = (myFile.read() - 48) * 10 + (myFile.read() - 48);
 
         // Skip the , in the file
-        myFile.seekSet(myFile.curPosition() + 1);
+        myFile.seekCur(1);
 
         // Read number of banks
         byte numBanks2 = (myFile.read() - 48) * 100 + (myFile.read() - 48) * 10 + (myFile.read() - 48);
@@ -911,7 +911,7 @@ void checkAltConf(char crcStr[9]) {
       // If no match go to next entry
       else {
         // skip rest of line
-        myFile.seekSet(myFile.curPosition() + 18);
+        myFile.seekCur(18);
         // skip third empty line
         skip_line(&myFile);
       }
diff --git a/Cart_Reader/WSV.ino b/Cart_Reader/WSV.ino
index c3a70a5..da409b6 100644
--- a/Cart_Reader/WSV.ino
+++ b/Cart_Reader/WSV.ino
@@ -413,15 +413,15 @@ void setCart_WSV() {
           if (myFile.curPosition() == 0) {
             break;
           } else if (myFile.peek() == '\n') {
-            myFile.seekSet(myFile.curPosition() - 1);
+            myFile.seekCur(-1);
             break;
           } else {
-            myFile.seekSet(myFile.curPosition() - 1);
+            myFile.seekCur(-1);
           }
         }
       }
       if (myFile.curPosition() != 0)
-        myFile.seekSet(myFile.curPosition() + 2);
+        myFile.seekCur(2);
     }
 
     // Display database
@@ -439,7 +439,7 @@ void setCart_WSV() {
       }
 
       // Skip over semicolon
-      myFile.seekSet(myFile.curPosition() + 1);
+      myFile.seekCur(1);
 
       // Read CRC32 of first 512 bytes
       sprintf(crc_search, "%c", myFile.read());
@@ -449,7 +449,7 @@ void setCart_WSV() {
       }
 
       // Skip over semicolon
-      myFile.seekSet(myFile.curPosition() + 1);
+      myFile.seekCur(1);
 
       // Read rom size
       // Read the next ascii character and subtract 48 to convert to decimal
@@ -463,7 +463,7 @@ void setCart_WSV() {
       }
 
       // Skip rest of line
-      myFile.seekSet(myFile.curPosition() + 2);
+      myFile.seekCur(2);
 
       // Skip every 3rd line
       skip_line(&myFile);
@@ -507,15 +507,15 @@ void setCart_WSV() {
               if (myFile.curPosition() == 0) {
                 break;
               } else if (myFile.peek() == '\n') {
-                myFile.seekSet(myFile.curPosition() - 1);
+                myFile.seekCur(-1);
                 break;
               } else {
-                myFile.seekSet(myFile.curPosition() - 1);
+                myFile.seekCur(-1);
               }
             }
           }
           if (myFile.curPosition() != 0)
-            myFile.seekSet(myFile.curPosition() + 2);
+            myFile.seekCur(2);
           break;
         }