Start decomp of trainer_tower

asm/trainer_tower.s

@@ -5,72 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_815D7BC
-sub_815D7BC: @ 815D7BC
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	adds r4, r1, 0
-	movs r0, 0x1E
-	bl TryCopySpecialSaveSection
-	cmp r0, 0x1
-	bne _0815D804
-	ldr r2, _0815D800 @ =0x00000f88
-	adds r0, r5, 0
-	adds r1, r4, 0
-	bl memcpy
-	movs r0, 0x1F
-	adds r1, r4, 0
-	bl TryCopySpecialSaveSection
-	cmp r0, 0x1
-	bne _0815D804
-	ldr r1, _0815D800 @ =0x00000f88
-	adds r0, r5, r1
-	movs r2, 0xF8
-	lsls r2, 4
-	adds r1, r4, 0
-	bl memcpy
-	adds r0, r5, 0
-	bl sub_815D6B4
-	cmp r0, 0
-	beq _0815D804
-	movs r0, 0x1
-	b _0815D806
-	.align 2, 0
-_0815D800: .4byte 0x00000f88
-_0815D804:
-	movs r0, 0
-_0815D806:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_815D7BC
-
-	thumb_func_start sub_815D80C
-sub_815D80C: @ 815D80C
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	movs r0, 0x80
-	lsls r0, 5
-	bl AllocZeroed
-	adds r5, r0, 0
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl sub_815D7BC
-	adds r4, r0, 0
-	adds r0, r5, 0
-	bl Free
-	adds r0, r4, 0
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_815D80C
-
-	thumb_func_start sub_815D834
-sub_815D834: @ 815D834
-	movs r0, 0
-	bx lr
-	thumb_func_end sub_815D834
-
 	thumb_func_start sub_815D838
 sub_815D838: @ 815D838
 	push {r4-r7,lr}

include/cereader_tool.h

@@ -4,6 +4,6 @@
 #include "global.h"
 
 bool32 sub_815D794(u8 *);
-u8 sub_815D6B4(u8 *);
+bool32 sub_815D6B4(u8 *);
 
 #endif //GUARD_CEREADER_TOOL_H

ld_script.txt

@@ -266,6 +266,7 @@ SECTIONS {
         asm/unk_815C980.o(.text);
         asm/ss_anne.o(.text);
         asm/cereader_tool.o(.text);
+        src/trainer_tower.o(.text);
         asm/trainer_tower.o(.text);
         asm/unk_815EDDC.o(.text);
         asm/unk_815F138.o(.text);

src/trainer_tower.c

@@ -0,0 +1,33 @@
+#include "global.h"
+#include "malloc.h"
+#include "save.h"
+#include "cereader_tool.h"
+
+bool32 sub_815D7BC(void * dest, void * buffer)
+{
+    if (TryCopySpecialSaveSection(30, buffer) != 1)
+        return FALSE;
+    memcpy(dest + 0x000, buffer, 0xF88);
+
+    if (TryCopySpecialSaveSection(31, buffer) != 1)
+        return FALSE;
+    memcpy(dest + 0xF88, buffer, 0xF80);
+
+    if (!sub_815D6B4(dest))
+        return FALSE;
+    return TRUE;
+}
+
+bool32 sub_815D80C(void * dest)
+{
+    void * buffer = AllocZeroed(0x1000);
+    bool32 success = sub_815D7BC(dest, buffer);
+    Free(buffer);
+    return success;
+}
+
+bool32 sub_815D834(void)
+{
+    // Stubbed out?
+    return FALSE;
+}