From c7694df14c2c5098482b4e9068e8de374d94f596 Mon Sep 17 00:00:00 2001
From: Pk11 <epicpkmn11@outlook.com>
Date: Wed, 15 Sep 2021 17:31:57 -0500
Subject: [PATCH] Fix restoring to ID 0xC22017 cards (#107)

---
 arm9/source/dumpOperations.cpp | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/arm9/source/dumpOperations.cpp b/arm9/source/dumpOperations.cpp
index ed14efe..2437aed 100644
--- a/arm9/source/dumpOperations.cpp
+++ b/arm9/source/dumpOperations.cpp
@@ -39,6 +39,7 @@ int cardEepromGetTypeFixed(void) {
 //---------------------------------------------------------------------------------
 // https://github.com/devkitPro/libnds/blob/master/source/common/cardEeprom.c#L88
 // with type 2 fixed if the first word and another % 8192 location are 0x00000000
+// and type 3 with ID 0xC22017 added
 uint32 cardEepromGetSizeFixed() {
 //---------------------------------------------------------------------------------
 
@@ -142,6 +143,20 @@ uint32 cardEepromGetSizeFixed() {
 	return 0;
 }
 
+//---------------------------------------------------------------------------------
+// https://github.com/devkitPro/libnds/blob/master/source/common/cardEeprom.c#L263
+// but using our fixed size function
+//---------------------------------------------------------------------------------
+void cardEepromChipEraseFixed(void) {
+//---------------------------------------------------------------------------------
+	int sz, sector;
+	sz=cardEepromGetSizeFixed();
+
+	for ( sector = 0; sector < sz; sector+=0x10000) {
+		cardEepromSectorErase(sector);
+	}
+}
+
 void ndsCardSaveDump(const char* filename) {
 	FILE *out = fopen(filename, "wb");
 	if(out) {
@@ -264,7 +279,7 @@ void ndsCardSaveRestore(const char *filename) {
 				if(auxspi)
 					auxspi_erase(card_type);
 				else
-					cardEepromChipErase();
+					cardEepromChipEraseFixed();
 			}
 			if(auxspi){
 				buffer = new unsigned char[LEN];