tcg: start looking at init

.gitignore

@@ -68,7 +68,8 @@ Temporary Items
 build
 tools/agbcc
 **/sound/songs/midi/*.s
-/ctx.c
+**/ctx.c
+**/ctx.h
 reports
 .vscode/*.log
 *.gbapal

chao_garden/Makefile

@@ -69,6 +69,7 @@ ELF      := $(ROM:.gba=.elf)
 MAP      := $(ROM:.gba=.map)
 LDSCRIPT := $(OBJ_DIR)/ldscript.txt
 
+INCLUDE_DIRS = include
 C_SUBDIR = src
 ASM_SUBDIR = asm
 DATA_ASM_SUBDIR = data
@@ -89,6 +90,8 @@ $(shell mkdir -p $(C_BUILDDIR) $(ASM_BUILDDIR) $(DATA_ASM_BUILDDIR) $(SOUND_ASM_
 C_SRCS := $(wildcard $(C_SUBDIR)/*.c)
 C_OBJS := $(patsubst $(C_SUBDIR)/%.c,$(C_BUILDDIR)/%.o,$(C_SRCS))
 
+C_HEADERS := $(shell find $(INCLUDE_DIRS) -name "*.h" -not -path "*/platform/*")
+
 ASM_SRCS := $(wildcard $(ASM_SUBDIR)/*.s)
 ASM_OBJS := $(patsubst $(ASM_SUBDIR)/%.s,$(ASM_BUILDDIR)/%.o,$(ASM_SRCS))
 
@@ -202,3 +205,9 @@ $(DATA_ASM_BUILDDIR)/%.o: $(DATA_ASM_SUBDIR)/%.s $$(data_dep)
 $(SONG_BUILDDIR)/%.o: $(SONG_SUBDIR)/%.s
 	@echo "$(AS) <flags> -I sound -o $@ $<"
 	@$(AS) $(ASFLAGS) -I sound -o $@ $<
+
+CONTEXT_FLAGS := -DM2C -DPLATFORM_GBA=1 -DGEN_CTX=1 -Dsize_t=int -D "offsetof(TYPE, MEMBER)"="((size_t)&((TYPE *)0)->MEMBER)"
+
+ctx.c: $(C_HEADERS)
+	@for header in $(C_HEADERS); do echo "#include \"$$header\""; done > ctx.h
+	gcc -P -E -dD -undef -I ../tools/agbcc/include -I include $(CONTEXT_FLAGS) ctx.h | sed '/^\/\/ TODO: Remove M2C occurences EVERYWHERE once ctx is not needed anymore!/d' | sed '/#undef/d' | sed '/typedef unsigned long int int;/d' | sed 's/__attribute__((.*))//' | sed '/^#define __STDC/d' > ctx.c

chao_garden/asm/code.s

@@ -74,10 +74,10 @@ _020002C8:
 	lsls r0, r1, #0x18
 	cmp r0, #0
 	bge _0200030C
-	ldr r1, _02000300 @ =IWRAM_START + 0x80
+	ldr r1, _02000300 @ =gUnknown_03000080
 	movs r0, #6
 	strb r0, [r1]
-	ldr r0, _02000304 @ =IWRAM_START + 0x84
+	ldr r0, _02000304 @ =gUnknown_03000084
 	movs r4, #0
 	str r4, [r0]
 	bl sub_0200043c
@@ -92,14 +92,14 @@ _020002C8:
 	strb r0, [r1]
 	b _0200032C
 	.align 2, 0
-_02000300: .4byte IWRAM_START + 0x80
-_02000304: .4byte IWRAM_START + 0x84
+_02000300: .4byte gUnknown_03000080
+_02000304: .4byte gUnknown_03000084
 _02000308: .4byte gUnknown_03003B80
 _0200030C:
-	ldr r1, _02000344 @ =IWRAM_START + 0x80
+	ldr r1, _02000344 @ =gUnknown_03000080
 	mov r0, r8
 	strb r0, [r1]
-	ldr r0, _02000348 @ =IWRAM_START + 0x84
+	ldr r0, _02000348 @ =gUnknown_03000084
 	str r6, [r0]
 	ldrb r0, [r1]
 	adds r0, #0xa
@@ -124,8 +124,8 @@ _0200032C:
 	adds r0, r1, #0
 	b _02000370
 	.align 2, 0
-_02000344: .4byte IWRAM_START + 0x80
-_02000348: .4byte IWRAM_START + 0x84
+_02000344: .4byte gUnknown_03000080
+_02000348: .4byte gUnknown_03000084
 _0200034C: .4byte gUnknown_03003B80
 _02000350: .4byte 0x00000858
 _02000354: .4byte gUnknown_02000008
@@ -179,7 +179,7 @@ sub_020003ac: @ 0x020003ac
 	ldr r4, _02000420 @ =gUnknown_03003B80
 	ldr r0, _02000424 @ =0x00001965
 	strh r0, [r4, #2]
-	ldr r1, _02000428 @ =IWRAM_START + 0x84
+	ldr r1, _02000428 @ =gUnknown_03000084
 	ldr r0, [r1]
 	adds r0, #1
 	str r0, [r1]
@@ -198,7 +198,7 @@ sub_020003ac: @ 0x020003ac
 	bl VBlankIntrWait
 	bl m4aSoundVSyncOff
 	movs r5, #0
-	ldr r4, _02000434 @ =IWRAM_START + 0x80
+	ldr r4, _02000434 @ =gUnknown_03000080
 _020003E8:
 	ldrb r0, [r4]
 	adds r0, #1
@@ -229,10 +229,10 @@ _02000410:
 	.align 2, 0
 _02000420: .4byte gUnknown_03003B80
 _02000424: .4byte 0x00001965
-_02000428: .4byte IWRAM_START + 0x84
+_02000428: .4byte gUnknown_03000084
 _0200042C: .4byte gUnknown_03005274
 _02000430: .4byte 0x00000856
-_02000434: .4byte IWRAM_START + 0x80
+_02000434: .4byte gUnknown_03000080
 _02000438: .4byte 0x00000858
 
 	thumb_func_start sub_0200043c
@@ -304,7 +304,7 @@ sub_02000480: @ 0x02000480
 	movs r0, #0x47
 	strh r0, [r1]
 	ldr r0, _02000548 @ =sub_020006b8
-	ldr r4, _0200054C @ =IWRAM_START + 0x88
+	ldr r4, _0200054C @ =gUnknown_03000088
 	ldr r2, _02000550 @ =0x04000148
 	adds r1, r4, #0
 	bl CpuSet
@@ -315,7 +315,7 @@ sub_02000480: @ 0x02000480
 	strb r5, [r0]
 	ldr r0, _0200055C @ =gUnknown_030043EC
 	strb r5, [r0]
-	ldr r1, _02000560 @ =IWRAM_START + 0x5B1
+	ldr r1, _02000560 @ =gUnknown_030005B1
 	movs r0, #0xa
 	strb r0, [r1]
 	ldr r0, _02000564 @ =gUnknown_030043E8
@@ -325,19 +325,19 @@ sub_02000480: @ 0x02000480
 	strb r5, [r0]
 	ldrb r0, [r0]
 	strb r0, [r1]
-	ldr r0, _02000570 @ =IWRAM_START + 0x5B0
+	ldr r0, _02000570 @ =gUnknown_030005B0
 	strb r5, [r0]
-	ldr r0, _02000574 @ =IWRAM_START + 0x5BC
+	ldr r0, _02000574 @ =gUnknown_030005BC
 	mov r2, r8
 	str r2, [r0]
-	ldr r3, _02000578 @ =IWRAM_START + 0x5A8
+	ldr r3, _02000578 @ =gUnknown_030005A8
 	ldr r2, _0200057C @ =0x080000AF
 	ldrb r0, [r2]
 	lsls r0, r0, #0x18
 	ldr r1, _02000580 @ =0x004F5341
 	orrs r0, r1
 	str r0, [r3]
-	ldr r3, _02000584 @ =IWRAM_START + 0x5AC
+	ldr r3, _02000584 @ =gUnknown_030005AC
 	ldrb r0, [r2]
 	lsls r0, r0, #0x18
 	ldr r1, _02000588 @ =0x00425347
@@ -367,21 +367,21 @@ _0200053C: .4byte 0x04000158
 _02000540: .4byte 0x04000154
 _02000544: .4byte 0x04000140
 _02000548: .4byte sub_020006b8
-_0200054C: .4byte IWRAM_START + 0x88
+_0200054C: .4byte gUnknown_03000088
 _02000550: .4byte 0x04000148
 _02000554: .4byte gIntrTable
 _02000558: .4byte gUnknown_030043DC
 _0200055C: .4byte gUnknown_030043EC
-_02000560: .4byte IWRAM_START + 0x5B1
+_02000560: .4byte gUnknown_030005B1
 _02000564: .4byte gUnknown_030043E8
 _02000568: .4byte gUnknown_030043D8
 _0200056C: .4byte gUnknown_030043E4
-_02000570: .4byte IWRAM_START + 0x5B0
-_02000574: .4byte IWRAM_START + 0x5BC
-_02000578: .4byte IWRAM_START + 0x5A8
+_02000570: .4byte gUnknown_030005B0
+_02000574: .4byte gUnknown_030005BC
+_02000578: .4byte gUnknown_030005A8
 _0200057C: .4byte 0x080000AF
 _02000580: .4byte 0x004F5341
-_02000584: .4byte IWRAM_START + 0x5AC
+_02000584: .4byte gUnknown_030005AC
 _02000588: .4byte 0x00425347
 _0200058C: .4byte 0x04000202
 
@@ -393,7 +393,7 @@ sub_02000590: @ 0x02000590
 	ldr r6, _020005AC @ =0x04000208
 	movs r4, #0
 	strh r4, [r6]
-	ldr r7, _020005B0 @ =IWRAM_START + 0x5B1
+	ldr r7, _020005B0 @ =gUnknown_030005B1
 	ldrb r0, [r7]
 	cmp r0, #9
 	bhi _020005B4
@@ -403,7 +403,7 @@ sub_02000590: @ 0x02000590
 	b _0200068A
 	.align 2, 0
 _020005AC: .4byte 0x04000208
-_020005B0: .4byte IWRAM_START + 0x5B1
+_020005B0: .4byte gUnknown_030005B1
 _020005B4:
 	ldr r0, _0200060C @ =gUnknown_030043EC
 	mov ip, r0
@@ -440,9 +440,9 @@ _020005B4:
 	strb r0, [r7]
 	ldr r0, _02000620 @ =gUnknown_030043E8
 	strb r4, [r0]
-	ldr r0, _02000624 @ =IWRAM_START + 0x5B0
+	ldr r0, _02000624 @ =gUnknown_030005B0
 	strb r4, [r0]
-	ldr r0, _02000628 @ =IWRAM_START + 0x5BC
+	ldr r0, _02000628 @ =gUnknown_030005BC
 	str r3, [r0]
 	adds r1, #0xc2
 	movs r0, #0x80
@@ -456,10 +456,10 @@ _02000614: .4byte 0x04000158
 _02000618: .4byte 0x04000154
 _0200061C: .4byte gUnknown_030043DC
 _02000620: .4byte gUnknown_030043E8
-_02000624: .4byte IWRAM_START + 0x5B0
-_02000628: .4byte IWRAM_START + 0x5BC
+_02000624: .4byte gUnknown_030005B0
+_02000628: .4byte gUnknown_030005BC
 _0200062C:
-	ldr r5, _0200063C @ =IWRAM_START + 0x5B0
+	ldr r5, _0200063C @ =gUnknown_030005B0
 	ldrb r0, [r5]
 	cmp r0, #0xa
 	bhi _02000640
@@ -468,7 +468,7 @@ _0200062C:
 	strb r0, [r5]
 	b _0200068A
 	.align 2, 0
-_0200063C: .4byte IWRAM_START + 0x5B0
+_0200063C: .4byte gUnknown_030005B0
 _02000640:
 	ldrh r2, [r6]
 	mov r8, r2
@@ -500,7 +500,7 @@ _02000640:
 	ldr r0, _020006AC @ =gUnknown_030043E8
 	strb r4, [r0]
 	strb r4, [r5]
-	ldr r0, _020006B0 @ =IWRAM_START + 0x5BC
+	ldr r0, _020006B0 @ =gUnknown_030005BC
 	str r3, [r0]
 	adds r1, #0xc2
 	movs r0, #0x80
@@ -522,7 +522,7 @@ _020006A0: .4byte 0x04000158
 _020006A4: .4byte 0x04000154
 _020006A8: .4byte gUnknown_030043DC
 _020006AC: .4byte gUnknown_030043E8
-_020006B0: .4byte IWRAM_START + 0x5BC
+_020006B0: .4byte gUnknown_030005BC
 _020006B4: .4byte 0x04000208
 
 	thumb_func_start sub_020006b8
@@ -588,7 +588,7 @@ _0200073A:
 	cmp r0, #0
 	beq _0200076A
 	ldr r0, _02000758 @ =0x04000150
-	ldr r1, _0200075C @ =IWRAM_START + 0x5AC
+	ldr r1, _0200075C @ =gUnknown_030005AC
 	ldr r2, [r0]
 	ldr r0, [r1]
 	cmp r2, r0
@@ -599,7 +599,7 @@ _0200073A:
 	b _02000784
 	.align 2, 0
 _02000758: .4byte 0x04000150
-_0200075C: .4byte IWRAM_START + 0x5AC
+_0200075C: .4byte gUnknown_030005AC
 _02000760: .4byte 0x04000158
 _02000764:
 	movs r0, #0
@@ -642,7 +642,7 @@ _020007A2:
 	ldr r0, _020007BC @ =0x6F616843
 	cmp r4, r0
 	bne _020007C8
-	ldr r0, _020007C0 @ =IWRAM_START + 0x5B1
+	ldr r0, _020007C0 @ =gUnknown_030005B1
 	strb r1, [r0]
 	ldr r1, _020007C4 @ =gUnknown_030043EC
 	movs r0, #1
@@ -651,7 +651,7 @@ _020007A2:
 	.align 2, 0
 _020007B8: .4byte 0x04000150
 _020007BC: .4byte 0x6F616843
-_020007C0: .4byte IWRAM_START + 0x5B1
+_020007C0: .4byte gUnknown_030005B1
 _020007C4: .4byte gUnknown_030043EC
 _020007C8:
 	movs r4, #0
@@ -676,7 +676,7 @@ _020007E4:
 	ldr r0, _020007FC @ =0x6F616843
 	cmp r4, r0
 	bne _02000808
-	ldr r0, _02000800 @ =IWRAM_START + 0x5B1
+	ldr r0, _02000800 @ =gUnknown_030005B1
 	strb r1, [r0]
 	ldr r0, _02000804 @ =gUnknown_030043E8
 	strb r1, [r0]
@@ -684,13 +684,13 @@ _020007E4:
 	.align 2, 0
 _020007F8: .4byte 0x04000150
 _020007FC: .4byte 0x6F616843
-_02000800: .4byte IWRAM_START + 0x5B1
+_02000800: .4byte gUnknown_030005B1
 _02000804: .4byte gUnknown_030043E8
 _02000808:
 	ldr r0, _02000830 @ =0x4F414843
 	cmp r4, r0
 	bne _02000844
-	ldr r0, _02000834 @ =IWRAM_START + 0x5B1
+	ldr r0, _02000834 @ =gUnknown_030005B1
 	strb r1, [r0]
 	ldr r1, _02000838 @ =gUnknown_030043E8
 	movs r0, #1
@@ -709,7 +709,7 @@ _02000818:
 	b _0200095A
 	.align 2, 0
 _02000830: .4byte 0x4F414843
-_02000834: .4byte IWRAM_START + 0x5B1
+_02000834: .4byte gUnknown_030005B1
 _02000838: .4byte gUnknown_030043E8
 _0200083C: .4byte gUnknown_030043F0
 _02000840: .4byte 0x00004B43
@@ -834,13 +834,13 @@ _0200092C:
 	beq _02000948
 _02000934:
 	ldr r0, _02000940 @ =0x04000154
-	ldr r1, _02000944 @ =IWRAM_START + 0x5BC
+	ldr r1, _02000944 @ =gUnknown_030005BC
 	ldr r1, [r1]
 	str r1, [r0]
 	b _02000962
 	.align 2, 0
 _02000940: .4byte 0x04000154
-_02000944: .4byte IWRAM_START + 0x5BC
+_02000944: .4byte gUnknown_030005BC
 _02000948:
 	movs r0, #2
 	ands r0, r5
@@ -854,10 +854,10 @@ _02000958:
 _0200095A:
 	ldr r0, _02000978 @ =0x04000154
 	str r4, [r0]
-	ldr r0, _0200097C @ =IWRAM_START + 0x5BC
+	ldr r0, _0200097C @ =gUnknown_030005BC
 	str r4, [r0]
 _02000962:
-	ldr r0, _02000980 @ =IWRAM_START + 0x5B0
+	ldr r0, _02000980 @ =gUnknown_030005B0
 	movs r1, #0
 	strb r1, [r0]
 	ldr r0, _02000984 @ =0x04000140
@@ -868,17 +868,17 @@ _02000962:
 	.align 2, 0
 _02000974: .4byte 0x04000150
 _02000978: .4byte 0x04000154
-_0200097C: .4byte IWRAM_START + 0x5BC
-_02000980: .4byte IWRAM_START + 0x5B0
+_0200097C: .4byte gUnknown_030005BC
+_02000980: .4byte gUnknown_030005B0
 _02000984: .4byte 0x04000140
 
 	thumb_func_start sub_02000988
 sub_02000988: @ 0x02000988
 	push {r4, r5, lr}
 	adds r3, r0, #0
-	ldr r0, _020009CC @ =IWRAM_START + 0x5B8
+	ldr r0, _020009CC @ =gUnknown_030005B8
 	ldrh r2, [r0]
-	ldr r1, _020009D0 @ =IWRAM_START + 0x5BA
+	ldr r1, _020009D0 @ =gUnknown_030005BA
 	ldrh r0, [r1]
 	adds r0, #1
 	adds r5, r1, #0
@@ -887,7 +887,7 @@ sub_02000988: @ 0x02000988
 	ldr r0, _020009D4 @ =0x6F616843
 	cmp r3, r0
 	bne _020009EC
-	ldr r1, _020009D8 @ =IWRAM_START + 0x5B1
+	ldr r1, _020009D8 @ =gUnknown_030005B1
 	movs r0, #0
 	strb r0, [r1]
 	ldr r0, _020009DC @ =gUnknown_030043F0
@@ -908,10 +908,10 @@ sub_02000988: @ 0x02000988
 	strb r0, [r1]
 	b _02000A36
 	.align 2, 0
-_020009CC: .4byte IWRAM_START + 0x5B8
-_020009D0: .4byte IWRAM_START + 0x5BA
+_020009CC: .4byte gUnknown_030005B8
+_020009D0: .4byte gUnknown_030005BA
 _020009D4: .4byte 0x6F616843
-_020009D8: .4byte IWRAM_START + 0x5B1
+_020009D8: .4byte gUnknown_030005B1
 _020009DC: .4byte gUnknown_030043F0
 _020009E0: .4byte 0x00004B43
 _020009E4: .4byte gUnknown_030043DC
@@ -931,7 +931,7 @@ _020009EC:
 	cmp r0, #1
 	bne _02000A10
 	strh r2, [r1]
-	ldr r1, _02000A2C @ =IWRAM_START + 0x5B4
+	ldr r1, _02000A2C @ =gUnknown_030005B4
 	ldr r0, [r1]
 	adds r0, #2
 	str r0, [r1]
@@ -939,10 +939,10 @@ _02000A10:
 	ldrh r5, [r5]
 	cmp r4, r5
 	bne _02000A34
-	ldr r1, _02000A30 @ =IWRAM_START + 0x5B1
+	ldr r1, _02000A30 @ =gUnknown_030005B1
 	movs r0, #0
 	strb r0, [r1]
-	ldr r2, _02000A2C @ =IWRAM_START + 0x5B4
+	ldr r2, _02000A2C @ =gUnknown_030005B4
 	ldr r1, [r2]
 	lsrs r0, r3, #0x10
 	strb r0, [r1]
@@ -951,8 +951,8 @@ _02000A10:
 	strb r0, [r1, #1]
 	b _02000A36
 	.align 2, 0
-_02000A2C: .4byte IWRAM_START + 0x5B4
-_02000A30: .4byte IWRAM_START + 0x5B1
+_02000A2C: .4byte gUnknown_030005B4
+_02000A30: .4byte gUnknown_030005B1
 _02000A34:
 	movs r3, #0
 _02000A36:
@@ -966,19 +966,19 @@ _02000A36:
 sub_02000a40: @ 0x02000a40
 	push {r4, lr}
 	adds r3, r0, #0
-	ldr r0, _02000A84 @ =IWRAM_START + 0x5B8
+	ldr r0, _02000A84 @ =gUnknown_030005B8
 	ldrh r2, [r0]
-	ldr r1, _02000A88 @ =IWRAM_START + 0x5BA
+	ldr r1, _02000A88 @ =gUnknown_030005BA
 	ldrh r0, [r1]
 	adds r0, #1
 	adds r4, r1, #0
 	cmp r2, r0
 	bne _02000AA4
-	ldr r0, _02000A8C @ =IWRAM_START + 0x5BC
+	ldr r0, _02000A8C @ =gUnknown_030005BC
 	ldr r0, [r0]
 	cmp r0, r3
 	bne _02000AC0
-	ldr r1, _02000A90 @ =IWRAM_START + 0x5B1
+	ldr r1, _02000A90 @ =gUnknown_030005B1
 	movs r0, #0
 	strb r0, [r1]
 	ldr r0, _02000A94 @ =gUnknown_030043F0
@@ -999,31 +999,31 @@ sub_02000a40: @ 0x02000a40
 	strb r0, [r1]
 	b _02000ADC
 	.align 2, 0
-_02000A84: .4byte IWRAM_START + 0x5B8
-_02000A88: .4byte IWRAM_START + 0x5BA
-_02000A8C: .4byte IWRAM_START + 0x5BC
-_02000A90: .4byte IWRAM_START + 0x5B1
+_02000A84: .4byte gUnknown_030005B8
+_02000A88: .4byte gUnknown_030005BA
+_02000A8C: .4byte gUnknown_030005BC
+_02000A90: .4byte gUnknown_030005B1
 _02000A94: .4byte gUnknown_030043F0
 _02000A98: .4byte 0x00004B43
 _02000A9C: .4byte gUnknown_030043DC
 _02000AA0: .4byte gUnknown_030043E4
 _02000AA4:
-	ldr r0, _02000AE4 @ =IWRAM_START + 0x5BC
+	ldr r0, _02000AE4 @ =gUnknown_030005BC
 	ldr r0, [r0]
 	cmp r0, r3
 	bne _02000AC0
-	ldr r1, _02000AE8 @ =IWRAM_START + 0x5B1
+	ldr r1, _02000AE8 @ =gUnknown_030005B1
 	movs r0, #0
 	strb r0, [r1]
 	ldrh r0, [r4]
 	adds r0, #1
 	strh r0, [r4]
-	ldr r1, _02000AEC @ =IWRAM_START + 0x5B4
+	ldr r1, _02000AEC @ =gUnknown_030005B4
 	ldr r0, [r1]
 	adds r0, #2
 	str r0, [r1]
 _02000AC0:
-	ldr r0, _02000AEC @ =IWRAM_START + 0x5B4
+	ldr r0, _02000AEC @ =gUnknown_030005B4
 	ldr r1, [r0]
 	ldrb r0, [r1]
 	lsls r3, r0, #0x10
@@ -1043,9 +1043,9 @@ _02000ADC:
 	pop {r1}
 	bx r1
 	.align 2, 0
-_02000AE4: .4byte IWRAM_START + 0x5BC
-_02000AE8: .4byte IWRAM_START + 0x5B1
-_02000AEC: .4byte IWRAM_START + 0x5B4
+_02000AE4: .4byte gUnknown_030005BC
+_02000AE8: .4byte gUnknown_030005B1
+_02000AEC: .4byte gUnknown_030005B4
 
 	thumb_func_start sub_02000af0
 sub_02000af0: @ 0x02000af0
@@ -1066,13 +1066,13 @@ _02000B08: .4byte gUnknown_030043DC
 	thumb_func_start sub_02000b0c
 sub_02000b0c: @ 0x02000b0c
 	push {r4, lr}
-	ldr r2, _02000B48 @ =IWRAM_START + 0x5B1
+	ldr r2, _02000B48 @ =gUnknown_030005B1
 	movs r1, #0
 	strb r1, [r2]
-	ldr r2, _02000B4C @ =IWRAM_START + 0x5B4
+	ldr r2, _02000B4C @ =gUnknown_030005B4
 	ldr r1, _02000B50 @ =gUnknown_03003350
 	str r1, [r2]
-	ldr r3, _02000B54 @ =IWRAM_START + 0x5B8
+	ldr r3, _02000B54 @ =gUnknown_030005B8
 	lsrs r1, r0, #8
 	movs r4, #0xff
 	lsls r4, r4, #8
@@ -1081,7 +1081,7 @@ sub_02000b0c: @ 0x02000b0c
 	lsrs r0, r0, #0x18
 	orrs r1, r0
 	strh r1, [r3]
-	ldr r1, _02000B58 @ =IWRAM_START + 0x5BA
+	ldr r1, _02000B58 @ =gUnknown_030005BA
 	movs r0, #0
 	strh r0, [r1]
 	ldr r1, _02000B5C @ =gUnknown_030043E0
@@ -1095,24 +1095,24 @@ sub_02000b0c: @ 0x02000b0c
 	pop {r0}
 	bx r0
 	.align 2, 0
-_02000B48: .4byte IWRAM_START + 0x5B1
-_02000B4C: .4byte IWRAM_START + 0x5B4
+_02000B48: .4byte gUnknown_030005B1
+_02000B4C: .4byte gUnknown_030005B4
 _02000B50: .4byte gUnknown_03003350
-_02000B54: .4byte IWRAM_START + 0x5B8
-_02000B58: .4byte IWRAM_START + 0x5BA
+_02000B54: .4byte gUnknown_030005B8
+_02000B58: .4byte gUnknown_030005BA
 _02000B5C: .4byte gUnknown_030043E0
 _02000B60: .4byte gUnknown_030043D8
 
 	thumb_func_start sub_02000b64
 sub_02000b64: @ 0x02000b64
 	push {r4, lr}
-	ldr r2, _02000B98 @ =IWRAM_START + 0x5B1
+	ldr r2, _02000B98 @ =gUnknown_030005B1
 	movs r1, #0
 	strb r1, [r2]
-	ldr r2, _02000B9C @ =IWRAM_START + 0x5B4
+	ldr r2, _02000B9C @ =gUnknown_030005B4
 	ldr r1, _02000BA0 @ =gUnknown_03003BD8
 	str r1, [r2]
-	ldr r3, _02000BA4 @ =IWRAM_START + 0x5B8
+	ldr r3, _02000BA4 @ =gUnknown_030005B8
 	lsrs r1, r0, #8
 	movs r4, #0xff
 	lsls r4, r4, #8
@@ -1121,7 +1121,7 @@ sub_02000b64: @ 0x02000b64
 	lsrs r0, r0, #0x18
 	orrs r1, r0
 	strh r1, [r3]
-	ldr r1, _02000BA8 @ =IWRAM_START + 0x5BA
+	ldr r1, _02000BA8 @ =gUnknown_030005BA
 	movs r0, #0
 	strh r0, [r1]
 	ldr r1, _02000BAC @ =gUnknown_030043E4
@@ -1131,11 +1131,11 @@ sub_02000b64: @ 0x02000b64
 	pop {r0}
 	bx r0
 	.align 2, 0
-_02000B98: .4byte IWRAM_START + 0x5B1
-_02000B9C: .4byte IWRAM_START + 0x5B4
+_02000B98: .4byte gUnknown_030005B1
+_02000B9C: .4byte gUnknown_030005B4
 _02000BA0: .4byte gUnknown_03003BD8
-_02000BA4: .4byte IWRAM_START + 0x5B8
-_02000BA8: .4byte IWRAM_START + 0x5BA
+_02000BA4: .4byte gUnknown_030005B8
+_02000BA8: .4byte gUnknown_030005BA
 _02000BAC: .4byte gUnknown_030043E4
 
 	thumb_func_start sub_02000bb0
@@ -1143,7 +1143,7 @@ sub_02000bb0: @ 0x02000bb0
 	ldr r0, _02000BC4 @ =0x04000150
 	ldr r0, [r0]
 	ldr r1, _02000BC8 @ =0x04000154
-	ldr r0, _02000BCC @ =IWRAM_START + 0x5A8
+	ldr r0, _02000BCC @ =gUnknown_030005A8
 	ldr r0, [r0]
 	str r0, [r1]
 	adds r1, #4
@@ -1153,7 +1153,7 @@ sub_02000bb0: @ 0x02000bb0
 	.align 2, 0
 _02000BC4: .4byte 0x04000150
 _02000BC8: .4byte 0x04000154
-_02000BCC: .4byte IWRAM_START + 0x5A8
+_02000BCC: .4byte gUnknown_030005A8
 
 	thumb_func_start sub_02000bd0
 sub_02000bd0: @ 0x02000bd0
@@ -1273,7 +1273,7 @@ sub_02000c90: @ 0x02000c90
 	strb r1, [r0]
 	subs r0, #1
 	strb r1, [r0]
-	ldr r2, _02000CF0 @ =IWRAM_START + 0x5C0
+	ldr r2, _02000CF0 @ =gUnknown_030005C0
 	movs r1, #0x47
 	adds r0, r2, #0
 	adds r0, #0x45
@@ -1284,9 +1284,9 @@ _02000CC0:
 	cmp r0, r2
 	bge _02000CC0
 	movs r1, #0
-	ldr r4, _02000CF4 @ =IWRAM_START + 0x606
-	ldr r3, _02000CF8 @ =IWRAM_START + 0x607
-	ldr r2, _02000CFC @ =IWRAM_START + 0x608
+	ldr r4, _02000CF4 @ =gUnknown_03000606
+	ldr r3, _02000CF8 @ =gUnknown_03000607
+	ldr r2, _02000CFC @ =gUnknown_03000608
 	ldr r0, _02000D00 @ =gUnknown_03005270
 	strb r1, [r0]
 	strb r1, [r2]
@@ -1299,10 +1299,10 @@ _02000CC0:
 _02000CE4: .4byte gUnknown_03004400
 _02000CE8: .4byte sub_020013DC
 _02000CEC: .4byte 0x02000F31
-_02000CF0: .4byte IWRAM_START + 0x5C0
-_02000CF4: .4byte IWRAM_START + 0x606
-_02000CF8: .4byte IWRAM_START + 0x607
-_02000CFC: .4byte IWRAM_START + 0x608
+_02000CF0: .4byte gUnknown_030005C0
+_02000CF4: .4byte gUnknown_03000606
+_02000CF8: .4byte gUnknown_03000607
+_02000CFC: .4byte gUnknown_03000608
 _02000D00: .4byte gUnknown_03005270
 
 	thumb_func_start sub_02000d04
@@ -1312,7 +1312,7 @@ sub_02000d04: @ 0x02000d04
 	adds r4, r1, #0
 	lsls r2, r2, #0x18
 	lsrs r6, r2, #0x18
-	ldr r0, _02000D1C @ =IWRAM_START + 0x606
+	ldr r0, _02000D1C @ =gUnknown_03000606
 	ldrb r1, [r0]
 	mov ip, r0
 	cmp r1, #0x45
@@ -1320,10 +1320,10 @@ sub_02000d04: @ 0x02000d04
 	movs r0, #0
 	b _02000DAA
 	.align 2, 0
-_02000D1C: .4byte IWRAM_START + 0x606
+_02000D1C: .4byte gUnknown_03000606
 _02000D20:
-	ldr r0, _02000D68 @ =IWRAM_START + 0x5C0
-	ldr r5, _02000D6C @ =IWRAM_START + 0x607
+	ldr r0, _02000D68 @ =gUnknown_030005C0
+	ldr r5, _02000D6C @ =gUnknown_03000607
 	ldrb r1, [r5]
 	adds r2, r1, #1
 	strb r2, [r5]
@@ -1360,8 +1360,8 @@ _02000D3E:
 	strb r3, [r4, #5]
 	b _02000D8A
 	.align 2, 0
-_02000D68: .4byte IWRAM_START + 0x5C0
-_02000D6C: .4byte IWRAM_START + 0x607
+_02000D68: .4byte gUnknown_030005C0
+_02000D6C: .4byte gUnknown_03000607
 _02000D70: .4byte gUnknown_03004400
 _02000D74:
 	ldrb r0, [r4, #4]
@@ -1402,12 +1402,12 @@ sub_02000db0: @ 0x02000db0
 	push {r4, lr}
 	bl sub_02000f34
 	ldr r0, _02000DFC @ =gUnknown_03004400
-	ldr r1, _02000E00 @ =IWRAM_START + 0x610
+	ldr r1, _02000E00 @ =gUnknown_03000610
 	ldr r2, _02000E04 @ =0x04000288
 	bl CpuSet
 	movs r1, #0
 	ldr r4, _02000E08 @ =gUnknown_03001030
-	ldr r3, _02000E0C @ =IWRAM_START + 0x5C0
+	ldr r3, _02000E0C @ =gUnknown_030005C0
 _02000DC6:
 	lsls r0, r1, #0x10
 	asrs r0, r0, #0x10
@@ -1422,15 +1422,15 @@ _02000DC6:
 	cmp r0, #0x45
 	ble _02000DC6
 	ldr r1, _02000E10 @ =gUnknown_03001076
-	ldr r0, _02000E14 @ =IWRAM_START + 0x606
+	ldr r0, _02000E14 @ =gUnknown_03000606
 	ldrb r0, [r0]
 	strb r0, [r1]
 	ldr r1, _02000E18 @ =gUnknown_03001077
-	ldr r0, _02000E1C @ =IWRAM_START + 0x607
+	ldr r0, _02000E1C @ =gUnknown_03000607
 	ldrb r0, [r0]
 	strb r0, [r1]
 	ldr r1, _02000E20 @ =gUnknown_03001078
-	ldr r0, _02000E24 @ =IWRAM_START + 0x608
+	ldr r0, _02000E24 @ =gUnknown_03000608
 	ldrb r0, [r0]
 	strb r0, [r1]
 	pop {r4}
@@ -1438,27 +1438,27 @@ _02000DC6:
 	bx r0
 	.align 2, 0
 _02000DFC: .4byte gUnknown_03004400
-_02000E00: .4byte IWRAM_START + 0x610
+_02000E00: .4byte gUnknown_03000610
 _02000E04: .4byte 0x04000288
 _02000E08: .4byte gUnknown_03001030
-_02000E0C: .4byte IWRAM_START + 0x5C0
+_02000E0C: .4byte gUnknown_030005C0
 _02000E10: .4byte gUnknown_03001076
-_02000E14: .4byte IWRAM_START + 0x606
+_02000E14: .4byte gUnknown_03000606
 _02000E18: .4byte gUnknown_03001077
-_02000E1C: .4byte IWRAM_START + 0x607
+_02000E1C: .4byte gUnknown_03000607
 _02000E20: .4byte gUnknown_03001078
-_02000E24: .4byte IWRAM_START + 0x608
+_02000E24: .4byte gUnknown_03000608
 
 	thumb_func_start sub_02000e28
 sub_02000e28: @ 0x02000e28
 	push {r4, lr}
 	bl sub_02000fd4
-	ldr r0, _02000E7C @ =IWRAM_START + 0x610
+	ldr r0, _02000E7C @ =gUnknown_03000610
 	ldr r1, _02000E80 @ =gUnknown_03004400
 	ldr r2, _02000E84 @ =0x04000288
 	bl CpuSet
 	movs r1, #0
-	ldr r4, _02000E88 @ =IWRAM_START + 0x5C0
+	ldr r4, _02000E88 @ =gUnknown_030005C0
 	ldr r3, _02000E8C @ =gUnknown_03001030
 _02000E3E:
 	lsls r0, r1, #0x10
@@ -1473,15 +1473,15 @@ _02000E3E:
 	asrs r0, r0, #0x10
 	cmp r0, #0x45
 	ble _02000E3E
-	ldr r1, _02000E90 @ =IWRAM_START + 0x606
+	ldr r1, _02000E90 @ =gUnknown_03000606
 	ldr r0, _02000E94 @ =gUnknown_03001076
 	ldrb r0, [r0]
 	strb r0, [r1]
-	ldr r1, _02000E98 @ =IWRAM_START + 0x607
+	ldr r1, _02000E98 @ =gUnknown_03000607
 	ldr r0, _02000E9C @ =gUnknown_03001077
 	ldrb r0, [r0]
 	strb r0, [r1]
-	ldr r1, _02000EA0 @ =IWRAM_START + 0x608
+	ldr r1, _02000EA0 @ =gUnknown_03000608
 	ldr r0, _02000EA4 @ =gUnknown_03001078
 	ldrb r0, [r0]
 	strb r0, [r1]
@@ -1492,16 +1492,16 @@ _02000E3E:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_02000E7C: .4byte IWRAM_START + 0x610
+_02000E7C: .4byte gUnknown_03000610
 _02000E80: .4byte gUnknown_03004400
 _02000E84: .4byte 0x04000288
-_02000E88: .4byte IWRAM_START + 0x5C0
+_02000E88: .4byte gUnknown_030005C0
 _02000E8C: .4byte gUnknown_03001030
-_02000E90: .4byte IWRAM_START + 0x606
+_02000E90: .4byte gUnknown_03000606
 _02000E94: .4byte gUnknown_03001076
-_02000E98: .4byte IWRAM_START + 0x607
+_02000E98: .4byte gUnknown_03000607
 _02000E9C: .4byte gUnknown_03001077
-_02000EA0: .4byte IWRAM_START + 0x608
+_02000EA0: .4byte gUnknown_03000608
 _02000EA4: .4byte gUnknown_03001078
 _02000EA8: .4byte gUnknown_03005270
 
@@ -1545,8 +1545,8 @@ sub_02000ed4: @ 0x02000ed4
 	adds r1, r1, r3
 	ldrb r2, [r0, #5]
 	strb r2, [r1, #5]
-	ldr r3, _02000F24 @ =IWRAM_START + 0x5C0
-	ldr r4, _02000F28 @ =IWRAM_START + 0x608
+	ldr r3, _02000F24 @ =gUnknown_030005C0
+	ldr r4, _02000F28 @ =gUnknown_03000608
 	ldrb r1, [r4]
 	adds r2, r1, #1
 	strb r2, [r4]
@@ -1561,7 +1561,7 @@ sub_02000ed4: @ 0x02000ed4
 	movs r0, #0
 	strb r0, [r4]
 _02000F12:
-	ldr r1, _02000F2C @ =IWRAM_START + 0x606
+	ldr r1, _02000F2C @ =gUnknown_03000606
 	ldrb r0, [r1]
 	subs r0, #1
 	strb r0, [r1]
@@ -1570,9 +1570,9 @@ _02000F12:
 	bx r0
 	.align 2, 0
 _02000F20: .4byte gUnknown_03004400
-_02000F24: .4byte IWRAM_START + 0x5C0
-_02000F28: .4byte IWRAM_START + 0x608
-_02000F2C: .4byte IWRAM_START + 0x606
+_02000F24: .4byte gUnknown_030005C0
+_02000F28: .4byte gUnknown_03000608
+_02000F2C: .4byte gUnknown_03000606
 _02000F30:
 	.byte 0x70, 0x47, 0x00, 0x00
 

chao_garden/ldscript.txt

@@ -14,6 +14,22 @@ SECTIONS {
     ALIGN(4)
     {
         . = 0x00000000; IntrMain_RAM = .;
+        . = 0x00000080; gUnknown_03000080 = .;
+        . = 0x00000084; gUnknown_03000084 = .;
+        . = 0x00000088; gUnknown_03000088 = .;
+        . = 0x000005A8; gUnknown_030005A8 = .;
+        . = 0x000005AC; gUnknown_030005AC = .;
+        . = 0x000005B0; gUnknown_030005B0 = .;
+        . = 0x000005B1; gUnknown_030005B1 = .;
+        . = 0x000005B4; gUnknown_030005B4 = .;
+        . = 0x000005B8; gUnknown_030005B8 = .;
+        . = 0x000005BA; gUnknown_030005BA = .;
+        . = 0x000005BC; gUnknown_030005BC = .;
+        . = 0x000005C0; gUnknown_030005C0 = .;
+        . = 0x00000606; gUnknown_03000606 = .;
+        . = 0x00000607; gUnknown_03000607 = .;
+        . = 0x00000608; gUnknown_03000608 = .;
+        . = 0x00000610; gUnknown_03000610 = .;
         . = 0x00001030; gUnknown_03001030 = .;
         . = 0x00001076; gUnknown_03001076 = .;
         . = 0x00001077; gUnknown_03001077 = .;

chao_garden/src/init.c

@@ -6,17 +6,92 @@ extern IntrFunc gIntrTable[4];
 
 // TCG = Tiny Chao Garden
 struct TCG_SaveSectorHeader {
-    u32 security, version;
+    u16 checksum;
+    u16 unk2;
+    u32 unk4;
 };
 
 struct TCG_SaveSectorData {
     struct TCG_SaveSectorHeader header;
-
-    u8 padding_8[0x850];
+    u32 unk8;
+    u32 unkC;
+    u32 unk10;
+    u32 unk14;
+    u32 unk18;
+    u8 unk1C;
+    u8 unk1D;
+    u8 unk1E;
+    u8 unk1F;
+    u8 unk20;
+    u8 filler21[0x38];
+    u8 unk59;
+    u8 filler[0xb];
+    u32 unk64;
+    u8 unk68;
+    u8 pad[0x7FE];
 }; /* size:0x858 according to sub_02000248 */
 
+extern struct GameConfig gUnknown_02000008;
+
 // TCG = Tiny Chao Garden
 #define TCG_FIRST_SAVE_SECTOR 10
 #define TCG_SAVE_SECTOR_COUNT 6
 
 extern struct TCG_SaveSectorData gUnknown_03003B80;
+
+void sub_02011e9c(void);
+
+s16 sub_0200185c(s8 *a, s32 b);
+
+extern u32 gUnknown_03000080;
+extern u32 gUnknown_03000084;
+extern u8 gUnknown_03003BD8[2];
+
+extern void sub_02001528(u32);
+extern u32 gUnknown_03005274;
+
+void sub_0200043c(void);
+
+// https://decomp.me/scratch/rGp3q
+// void sub_02000248(void)
+// {
+//     u32 i;
+//     s8 min = -1;
+//     u32 p = 0;
+//     IdentifyFlash();
+//     SetFlashTimerIntr(2, gIntrTable[1]);
+
+//     for (i = 0; i < 6; i++) {
+//         ReadFlash(i + 10, 0, &gUnknown_03003B80, sizeof(struct TCG_SaveSectorData));
+//         if (gUnknown_03003B80.header.unk2 == 0x1965) {
+//             s16 checksum = sub_0200185c(&gUnknown_03003B80.header.unk2, sizeof(struct TCG_SaveSectorData) - sizeof(u16));
+//             if (checksum == gUnknown_03003B80.header.checksum) {
+//                 if (min < 0) {
+//                     min = i;
+//                     p = gUnknown_03003B80.header.unk4;
+//                 } else if (p < gUnknown_03003B80.header.unk4) {
+//                     min = i;
+//                     p = gUnknown_03003B80.header.unk4;
+//                 }
+//             }
+//         }
+//     }
+
+//     if (min < 0) {
+//         gUnknown_03000080 = 6;
+//         gUnknown_03000084 = 0;
+//         sub_0200043c();
+//         gUnknown_03003B80.unk59 = 0;
+//         gUnknown_03003B80.unk1F = 0x58;
+//         gUnknown_03003B80.unk20 = 0x68;
+//     } else {
+//         gUnknown_03000080 = min;
+//         gUnknown_03000084 = p;
+//         ReadFlash(min + 10, 0, &gUnknown_03003B80, sizeof(struct TCG_SaveSectorData));
+//         sub_02001528(gUnknown_03003B80.unk18);
+//     }
+//     gUnknown_03005274 = gUnknown_03003B80.unkC;
+//     gUnknown_03003B80.unk64 = gUnknown_03003B80.unkC << 0x18 | (gUnknown_03003B80.unkC & 0xFF00 << 8)
+//         | (gUnknown_03003B80.unkC & 0xFF0000) >> 8 | gUnknown_03003B80.unkC >> 0x18;
+//     gUnknown_03003B80.unk68 = 0;
+// }