From a7efb5d1407fa3f70cc2124f63066b2cb656dc0c Mon Sep 17 00:00:00 2001
From: karim <64852495+karimhadjsalem@users.noreply.github.com>
Date: Mon, 18 Jul 2022 20:29:50 -0400
Subject: [PATCH 1/2] fix flashing unrom-512 to match INL code

---
 Cart_Reader/NES.ino | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/Cart_Reader/NES.ino b/Cart_Reader/NES.ino
index f04ef27..bd69b6d 100644
--- a/Cart_Reader/NES.ino
+++ b/Cart_Reader/NES.ino
@@ -4027,12 +4027,7 @@ void NESmaker_ID() { // Read Flash ID
   unsigned char ID1 = read_prg_byte(0x8000);
   unsigned char ID2 = read_prg_byte(0x8001);
   sprintf(flashid, "%02X%02X", ID1, ID2);
-  write_prg_byte(0xC000, 0x01);
-  write_prg_byte(0x9555, 0xAA);
-  write_prg_byte(0xC000, 0x00);
-  write_prg_byte(0xAAAA, 0x55);
-  write_prg_byte(0xC000, 0x01);
-  write_prg_byte(0x9555, 0xF0); // Software ID Exit
+  NESmaker_ResetFlash(); // Software ID Exit
   if (strcmp(flashid, "BFB7") == 0) // SST 39SF040
     flashfound = 1;
 }
@@ -4110,6 +4105,7 @@ void writeFLASH() {
 
     //open file on sd card
     if (myFile.open(filePath, O_READ)) {
+      myFile.seekSet(16);
       banks = int_pow(2, prgsize); // 256K/512K
       for (int i = 0; i < banks; i++) { // 16K Banks
         for (word sector = 0; sector < 0x4000; sector += 0x1000) { // 4K Sectors ($8000/$9000/$A000/$B000)

From 36c6c657d672adaeb349081b27e02f260b484763 Mon Sep 17 00:00:00 2001
From: karim <64852495+karimhadjsalem@users.noreply.github.com>
Date: Mon, 18 Jul 2022 20:35:48 -0400
Subject: [PATCH 2/2] fix reset byte

---
 Cart_Reader/NES.ino | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cart_Reader/NES.ino b/Cart_Reader/NES.ino
index bd69b6d..7a6b8d0 100644
--- a/Cart_Reader/NES.ino
+++ b/Cart_Reader/NES.ino
@@ -4012,7 +4012,7 @@ void NESmaker_ResetFlash() { // Reset Flash
   write_prg_byte(0xC000, 0x00);
   write_prg_byte(0xAAAA, 0x55);
   write_prg_byte(0xC000, 0x01);
-  write_prg_byte(0x9555, 0xFF); // Reset
+  write_prg_byte(0x9555, 0xF0); // Reset
 }
 
 // SST 39SF040 Software ID