From f66ec0a8a6d248f1bd9c1556d282f52f3113bf41 Mon Sep 17 00:00:00 2001
From: Connor <cloningdonor@gmail.com>
Date: Sat, 20 Oct 2018 04:59:45 -0700
Subject: [PATCH 1/2]

---
 0017 V00744020.xxd.patch |  4 ++++
 0023 V007492E0.xxd.patch | 10 ++++++++++
 cmd.sh                   |  3 +++
 3 files changed, 17 insertions(+)
 create mode 100644 0017 V00744020.xxd.patch
 create mode 100644 0023 V007492E0.xxd.patch
 create mode 100644 cmd.sh

diff --git a/0017 V00744020.xxd.patch b/0017 V00744020.xxd.patch
new file mode 100644
index 0000000..18c6f4f
--- /dev/null
+++ b/0017 V00744020.xxd.patch	
@@ -0,0 +1,4 @@
+40c40
+< 00000270: a040 009f 3c0e 8080 25ce 32f8 240f 2410  .@..<...%.2.$.$.
+---
+> 00000270: a040 009f 3c0e 8083 25ce df6c 240f 00e0  .@..<...%..l$...
diff --git a/0023 V007492E0.xxd.patch b/0023 V007492E0.xxd.patch
new file mode 100644
index 0000000..694c099
--- /dev/null
+++ b/0023 V007492E0.xxd.patch	
@@ -0,0 +1,10 @@
+1011,1012c1011,1012
+< 00003f20: 910f 09f8 a100 09f9 3c01 8085 a02f 49ce  ........<..../I.
+< 00003f30: 8d18 07a0 8fa7 0048 3c01 8085 0018 c82b  .......H<......+
+---
+> 00003f20: 340f 0002 a100 09f9 3c01 8085 a02f 49ce  4.......<..../I.
+> 00003f30: 3418 0014 8fa7 0048 3c01 8085 0018 c82b  4......H<......+
+1057c1057
+< 00004200: 0000 0000 0c03 483d 0000 0000 1040 fff9  ......H=.....@..
+---
+> 00004200: 0000 0000 0c03 483d 0000 0000 0000 0000  ......H=........
diff --git a/cmd.sh b/cmd.sh
new file mode 100644
index 0000000..9f3f886
--- /dev/null
+++ b/cmd.sh
@@ -0,0 +1,3 @@
+# change the "340f 0002" instruction in file 0023 to select a game (0001 to 0007)
+diff <(xxd e106dff*/0017*) <(xxd dnm-instant-famicom/0017*) > '0017 V00744020.xxd.patch'
+diff <(xxd e106dff*/0023*) <(xxd dnm-instant-famicom/0023*) > '0023 V007492E0.xxd.patch'

From 04ccfec87b3e5efdcd22a49678e9fac49b0d7917 Mon Sep 17 00:00:00 2001
From: Connor <cloningdonor@gmail.com>
Date: Sat, 20 Oct 2018 05:13:20 -0700
Subject: [PATCH 2/2]

---
 cmd.sh | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/cmd.sh b/cmd.sh
index 9f3f886..ca4cc55 100644
--- a/cmd.sh
+++ b/cmd.sh
@@ -1,3 +1,10 @@
-# change the "340f 0002" instruction in file 0023 to select a game (0001 to 0007)
+# the patch for file 0017 (N64 logo overlay) tells it to load the Famicom overlay next
+# instead of the normal gameplay overlay. it's specified by its VRAM address and context size.
+# these values were taken from the table loaded at 80106E20 (each element is 0x30 long).
 diff <(xxd e106dff*/0017*) <(xxd dnm-instant-famicom/0017*) > '0017 V00744020.xxd.patch'
+
+# the patch for file 0023 (Famicom emulator overlay) tells it to load some constant values
+# instead of loading them from a setup we never did.
+# change the "340f 0002" instruction to select a game. (0001 to 0007)
+# it also NOPs out of a loop that expects a flag to be set.
 diff <(xxd e106dff*/0023*) <(xxd dnm-instant-famicom/0023*) > '0023 V007492E0.xxd.patch'