From 4202a8f826305c6a36b02fe08e28a76488430a75 Mon Sep 17 00:00:00 2001
From: StapleButter <thetotalworm@gmail.com>
Date: Wed, 29 Mar 2017 22:12:53 +0200
Subject: [PATCH] finish Flash support, mostly

---
 src/NDSCart.cpp | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/src/NDSCart.cpp b/src/NDSCart.cpp
index a53154ca..f291d7bc 100644
--- a/src/NDSCart.cpp
+++ b/src/NDSCart.cpp
@@ -361,6 +361,20 @@ void Write_Flash(u8 val, bool islast)
 {
     switch (CurCmd)
     {
+    case 0x02:
+        if (DataPos < 3)
+        {
+            Addr <<= 8;
+            Addr |= val;
+            Data = 0;
+        }
+        else
+        {
+            SRAM[Addr & (SRAMLength-1)] = 0;
+            Addr++;
+        }
+        break;
+
     case 0x03:
         if (DataPos < 3)
         {
@@ -393,6 +407,40 @@ void Write_Flash(u8 val, bool islast)
         Data = 0xFF;
         break;
 
+    case 0xD8:
+        if (DataPos < 3)
+        {
+            Addr <<= 8;
+            Addr |= val;
+            Data = 0;
+        }
+        if (DataPos == 2)
+        {
+            for (u32 i = 0; i < 0x10000; i++)
+            {
+                SRAM[Addr & (SRAMLength-1)] = 0;
+                Addr++;
+            }
+        }
+        break;
+
+    case 0xDB:
+        if (DataPos < 3)
+        {
+            Addr <<= 8;
+            Addr |= val;
+            Data = 0;
+        }
+        if (DataPos == 2)
+        {
+            for (u32 i = 0; i < 0x100; i++)
+            {
+                SRAM[Addr & (SRAMLength-1)] = 0;
+                Addr++;
+            }
+        }
+        break;
+
     default:
         if (DataPos==0)
             printf("unknown Flash save command %02X\n", CurCmd);