From 799fa82c1aede6d33778bfb6e69a5faf5ef98781 Mon Sep 17 00:00:00 2001
From: Seth Barberee <seth.barberee@gmail.com>
Date: Thu, 5 Nov 2020 18:11:47 -0600
Subject: [PATCH] finally figured out fatal error func and another func

---
 asm/code_80A7714.s   | 38 --------------------------------------
 asm/fatal_system.s   | 22 ----------------------
 src/code_80118A4_1.c | 16 ++++++++++++++++
 src/code_80A7714.c   | 19 +++++++++++++++++++
 4 files changed, 35 insertions(+), 60 deletions(-)

diff --git a/asm/code_80A7714.s b/asm/code_80A7714.s
index b98dc953..c1ddc377 100644
--- a/asm/code_80A7714.s
+++ b/asm/code_80A7714.s
@@ -5,44 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_80A7764
-sub_80A7764:
-	push {r4,lr}
-	lsls r0, 16
-	asrs r4, r0, 16
-	bl sub_80A7784
-	movs r0, 0x1
-	negs r0, r0
-	cmp r4, r0
-	beq _080A777A
-	ldr r0, _080A7780
-	strh r4, [r0]
-_080A777A:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080A7780: .4byte gUnknown_2039DE0
-	thumb_func_end sub_80A7764
-
-	thumb_func_start sub_80A7784
-sub_80A7784:
-	push {lr}
-	ldr r2, _080A779C
-	movs r1, 0
-	ldrsh r0, [r2, r1]
-	movs r1, 0x1
-	negs r1, r1
-	cmp r0, r1
-	beq _080A7796
-	strh r1, [r2]
-_080A7796:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080A779C: .4byte gUnknown_2039DE0
-	thumb_func_end sub_80A7784
-
 	thumb_func_start sub_80A77A0
 sub_80A77A0:
 	push {lr}
diff --git a/asm/fatal_system.s b/asm/fatal_system.s
index 45009eeb..e4da05e4 100644
--- a/asm/fatal_system.s
+++ b/asm/fatal_system.s
@@ -5,28 +5,6 @@
 
 	.text
 
-        thumb_func_start FatalErrorPrintFuncFileLine
-FatalErrorPrintFuncFileLine:
-	push {lr}
-	sub sp, 0x100
-	adds r2, r0, 0
-	cmp r2, 0
-	beq _08011B5E
-	mov r0, sp
-	bl PrintFuncFileLine
-	b _08011B66
-_08011B5E:
-	ldr r2, _08011B6C
-	mov r0, sp
-	bl PrintFuncFileLine
-_08011B66:
-	add sp, 0x100
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08011B6C: .4byte gUnknown_80D421C
-	thumb_func_end FatalErrorPrintFuncFileLine
-
 	thumb_func_start FatalErrorFormatMessage
 FatalErrorFormatMessage:
 	push {r0-r3}
diff --git a/src/code_80118A4_1.c b/src/code_80118A4_1.c
index c2fa6412..9d57d7d3 100644
--- a/src/code_80118A4_1.c
+++ b/src/code_80118A4_1.c
@@ -2,6 +2,9 @@
 
 extern u8 gUnknown_203B150;
 
+void PrintFuncFileLine(char *r0, const char *r1, ...);
+extern const char gUnknown_80D421C;
+
 void nullsub_199(void)
 {
 }
@@ -67,3 +70,16 @@ void nullsub_137(void)
 {
 
 }
+
+// TODO merge with fatal_system
+void FatalErrorPrintFuncFileLine(const char *r0, const char *r1)
+{
+    char buf[0x100];
+    if(r0 != 0){
+        PrintFuncFileLine(buf, r1, r0);
+    }
+    else
+    {
+        PrintFuncFileLine(buf, r1, &gUnknown_80D421C);
+    }
+}
diff --git a/src/code_80A7714.c b/src/code_80A7714.c
index 0522ef12..ae8798a0 100644
--- a/src/code_80A7714.c
+++ b/src/code_80A7714.c
@@ -3,6 +3,7 @@
 extern void sub_80A68A0(void);
 extern void sub_80A7094(u32 r0, u32 r1, u32 r2, u32 r3);
 extern void sub_80A7310(u32 r0, u32 r1, u32 r2, u32 r3);
+extern void sub_80A7784();
 extern s16 gUnknown_2039DE0;
 
 void sub_80A7714(void)
@@ -25,3 +26,21 @@ void sub_80A7754(void)
 {
     gUnknown_2039DE0 = -1;
 }
+
+void sub_80A7764(s16 r0)
+{
+    s32 temp = r0;
+    sub_80A7784();
+    if(temp != -1)
+    {
+        gUnknown_2039DE0 = temp;
+    }
+}
+
+void sub_80A7784(void)
+{
+    if(gUnknown_2039DE0 != -1)
+    {
+        gUnknown_2039DE0 = -1;
+    }
+}