disassembled overworld interaction code and a lot of relevant routines. Also ripped a data table and a couple pointer tables.

Makefile

@@ -19,7 +19,7 @@ compare: baserom.gbc tcg.gbc
 $(OBJS): $$*.asm $$($$*_dep)
 	@python $(EXTRAS)/gfx.py 2bpp $(2bppq)
 	@python $(EXTRAS)/gfx.py 1bpp $(1bppq)
-	rgbasm -i src/ -o $@ $<
+	rgbasm -h -i src/ -o $@ $<
 
 tcg.gbc: $(OBJS)
 	rgblink -n $*.sym -m $*.map -o $@ $^

src/engine/bank1.asm

@@ -1350,7 +1350,21 @@ BuildVersion: ; 7354 (1:7354)
 INCBIN "baserom.gbc",$7364,$7571 - $7364
 
 Func_7571: ; 7571 (1:7571)
-INCBIN "baserom.gbc",$7571,$758f - $7571
+INCBIN "baserom.gbc",$7571,$7576 - $7571
+
+Func_7576: ; 7576 (1:7576)
+        farcallx $6, $591f
+        ret
+; 0x757b
+
+INCBIN "baserom.gbc",$757b,$758f - $757b
 
 Func_758f: ; 758f (1:758f)
-INCBIN "baserom.gbc",$758f,$8000 - $758f
+INCBIN "baserom.gbc",$758f,$7594 - $758f
+
+Func_7594: ; 7594 (1:7594)
+	farcallx $6, $661f
+	ret
+; 0x7599
+
+INCBIN "baserom.gbc",$7599,$8000 - $7599

src/engine/bank2.asm

@@ -783,4 +783,292 @@ Unknown_a77e: ; a77e (2:677e)
 INCBIN "baserom.gbc",$a77e,$b177 - $a77e
 
 Func_b177: ; b177 (2:7177)
-INCBIN "baserom.gbc",$b177,$c000 - $b177
+INCBIN "baserom.gbc",$b177,$b19d - $b177
+
+Func_b19d: ; b19d (2:719d)
+	xor a
+	ld [$cea1], a
+	ld de, CheckForCGB
+	ld hl, $d0a2
+	ld [hl], e
+	inc hl
+	ld [hl], d
+	call $7379
+	ld a, $3c
+	ld [$d0a5], a
+	xor a
+.asm_b1b3
+	ld hl, $76fb
+	call $5a6d
+	call $7704
+	call $7545
+	ld hl, $0224
+	call DrawWideTextBox_PrintText
+	ld de, $0224
+	call $7285
+	call $729f
+	jr c, .asm_b1b3
+	cp $ff
+	ret z
+	ld b, a
+	ld a, [$cea1]
+	add b
+	ld [$d088], a
+	call Func_905a
+	call DrawWideTextBox
+	ld hl, $7274
+	call Func_2c08
+	call DoFrame
+	call Func_9065
+	jp nc, $71e7
+	cp $ff
+	jr nz, .asm_b1fa
+	ld a, [$d086]
+	jp $71b3
+
+.asm_b1fa
+	ld a, [wceb0]
+	sla a
+	ld hl, wceaf
+	add [hl]
+	or a
+	jr nz, .asm_b22c
+	call $735b
+	jr nc, .asm_b216
+	call $7592
+	ld a, [$d086]
+	jp c, $71b3
+	jr .asm_b25e
+
+.asm_b216
+	ld hl, $0272
+	call Func_2af0
+	ld a, [$d086]
+	jr c, .asm_b1b3
+	call $7592
+	ld a, [$d086]
+	jp c, $71b3
+	jr .asm_b25e
+
+.asm_b22c
+	cp $1
+	jr nz, .asm_b24c
+	call $735b
+	jr c, .asm_b240
+	call $76ca
+	ld a, [$d086]
+	jp c, $71b3
+	jr .asm_b25e
+
+.asm_b240
+	ld hl, WaitForVBlank
+	call DrawWideTextBox_WaitForInput
+	ld a, [$d086]
+	jp $71b3
+
+.asm_b24c
+	cp $2
+	jr nz, .asm_b273
+	call $735b
+	jr c, .asm_b240
+	call $77c6
+	ld a, [$d086]
+	jp nc, $71b3
+
+.asm_b25e
+	ld a, [$d087]
+	ld [$cea1], a
+	call $7379
+	call $7704
+	call $7545
+	ld a, [$d086]
+	jp $71b3
+
+.asm_b273
+	ret
+; 0xb274
+
+INCBIN "baserom.gbc",$b274,$ba04 - $b274
+
+Func_ba04: ; ba04 (2:7a04)
+	ld a, [wd0a9]
+	ld hl, $7b83
+	sla a
+	ld c, a
+	ld b, $0
+	add hl, bc
+	ld de, $d0a2
+	ld a, [hli]
+	ld [de], a
+	inc de
+	ld a, [hl]
+	ld [de], a
+	xor a
+	ld [$cea1], a
+	call $7b97
+	ld a, $5
+	ld [$d0a5], a
+	xor a
+	ld hl, $7b6e
+	call InitializeCursorParameters
+	ld hl, $0224
+	call DrawWideTextBox_PrintText
+	ld a, $5
+	ld [$cea9], a
+	ld hl, $73fe
+	ld d, h
+	ld a, l
+	ld hl, $cece
+	ld [hli], a
+	ld [hl], d
+.asm_ba40
+	call DoFrame
+	call MenuCursorAcceptInput
+	jr c, .asm_baa3
+	ld a, [$ff8f]
+	and $c0
+	jr z, .asm_ba4e
+
+.asm_ba4e
+	ld a, [$ff8f]
+	and $8
+	jr z, .asm_ba40
+	ld a, [$cea1]
+	ld [$d087], a
+	ld b, a
+	ld a, [wCurMenuItem]
+	ld [$d086], a
+	add b
+	ld c, a
+	inc a
+	or $80
+	ld [wceb1], a
+	sla c
+	ld b, $0
+	ld hl, $d00d
+	add hl, bc
+	call $7653
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	push hl
+	ld bc, $0018
+	add hl, bc
+	ld d, h
+	ld e, l
+	ld a, [hl]
+	pop hl
+	call $7644
+	or a
+	jr z, .asm_ba40
+	ld a, $1
+	call Func_90fb
+	call $7653
+	call Func_8e1f
+	call $7644
+	ld a, [$d087]
+	ld [$cea1], a
+	call $7b97
+	ld a, [$d086]
+	jp $7a25
+
+.asm_baa3
+	call Func_270b
+	ld a, [$cea1]
+	ld [$d087], a
+	ld a, [wCurMenuItem]
+	ld [$d086], a
+	ld a, [$ffb1]
+	cp $ff
+	jp z, $7b0d
+	ld [$d088], a
+	call Func_905a
+	xor a
+	ld [$ce5e], a
+	call DrawWideTextBox
+	ld hl, $7b76
+	call Func_2c08
+	call DoFrame
+	call $46ac
+	jp nc, $7acc
+	cp $ff
+	jr nz, .asm_badf
+	ld a, [$d086]
+	jp $7a25
+
+.asm_badf
+	ld a, [wceb0]
+	sla a
+	ld hl, wceaf
+	add [hl]
+	or a
+	jr nz, .asm_bb09
+	call $7653
+	call $77c6
+	call $7644
+	ld a, [$d086]
+	jp nc, $7a25
+	ld a, [$d087]
+	ld [$cea1], a
+	call $7b97
+	ld a, [$d086]
+	jp $7a25
+
+.asm_bb09
+	cp $1
+	jr nz, .asm_bb12
+	xor a
+	ld [$d0a4], a
+	ret
+
+.asm_bb12
+	ld a, [$cea1]
+	ld [$d087], a
+	ld b, a
+	ld a, [wCurMenuItem]
+	ld [$d086], a
+	add b
+	ld c, a
+	ld [wceb1], a
+	sla c
+	ld b, $0
+	ld hl, $d00d
+	add hl, bc
+	push hl
+	ld hl, $d0aa
+	add hl, bc
+	ld bc, $cfda
+	ld a, [hli]
+	ld [bc], a
+	inc bc
+	ld a, [hl]
+	ld [bc], a
+	pop hl
+	call $7653
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	push hl
+	ld bc, $0018
+	add hl, bc
+	ld d, h
+	ld e, l
+	ld a, [hl]
+	pop hl
+	call $7644
+	or a
+	jp z, $7a40
+	ld a, $1
+	call Func_90fb
+	call $7653
+	xor a
+	call $6dfe
+	call $7644
+	ld a, [$d087]
+	ld [$cea1], a
+	call $7b97
+	ld a, [$d086]
+	jp $7a25
+; 0xbb6e
+
+INCBIN "baserom.gbc",$bb6e,$c000 - $bb6e

src/engine/bank20.asm

@@ -124,7 +124,88 @@ Func_804d8: ; 804d8 (20:44d8)
 INCBIN "baserom.gbc",$804d8,$80b7a - $804d8
 
 Func_80b7a: ; 80b7a (20:4b7a)
-INCBIN "baserom.gbc",$80b7a,$80e5a - $80b7a
+INCBIN "baserom.gbc",$80b7a,$80ba4 - $80b7a
+
+Func_80ba4: ; 80ba4 (20:4ba4)
+	push af
+	xor a
+	ld [$d292], a
+	pop af
+	push hl
+	push bc
+	push de
+	ld c, a
+	ld a, [wd131]
+	push af
+	ld a, [$d23d]
+	push af
+	ld a, [$d12f]
+	push af
+	ld a, [$d130]
+	push af
+	ld a, [$d23a]
+	push af
+	ld a, [$d23b]
+	push af
+	ld b, $0
+	ld hl, wd323
+	add hl, bc
+	ld a, $1
+	ld [hl], a
+	ld a, c
+	add a
+	ld c, a
+	ld b, $0
+	ld hl, $4c21
+	add hl, bc
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld b, [hl]
+	inc hl
+	ld c, [hl]
+	inc hl
+	ld a, [wConsole]
+	cp $2
+	jr nz, .asm_80be7
+	inc hl
+
+.asm_80be7
+	ld a, [hl]
+	ld [wd131], a
+	push bc
+	farcallx $20, $4082
+	pop bc
+	srl b
+	ld a, c
+	rrca
+	and $f
+	swap a
+	add b
+	ld c, a
+	ld b, $0
+	ld hl, wBoosterViableCardList
+	add hl, bc
+	farcallx $3, $438f
+	pop af
+	ld [$d23b], a
+	pop af
+	ld [$d23a], a
+	pop af
+	ld [$d130], a
+	pop af
+	ld [$d12f], a
+	pop af
+	ld [$d23d], a
+	pop af
+	ld [wd131], a
+	pop de
+	pop bc
+	pop hl
+	ret
+; 0x80c21
+
+INCBIN "baserom.gbc",$80c21,$80e5a - $80c21
 
 Unknown_80e5a: ; 80e5a (20:4e5a)
 INCBIN "baserom.gbc",$80e5a,$80e5d - $80e5a

src/engine/bank4.asm

@@ -1,4 +1,45 @@
-INCBIN "baserom.gbc",$10000,$10059 - $10000
+Func_10000: ; 10000 (4:4000)
+	ld a, $0
+	ld [wTileMapFill], a
+	call Func_04a2
+	call Func_2119
+	ld de, $307f
+	call Func_2275
+	call Set_OBJ_8x8
+	xor a
+	ld [$ff92], a
+	ld [$ff93], a
+	ld a, [wLCDC]
+	bit 7, a
+	jr nz, .asm_10025
+	xor a
+	ld [rSCX], a
+	ld [rSCY], a
+
+.asm_10025
+	call Func_1288c
+	call Func_099c
+	ld a, $1
+	ld [wVBlankOAMCopyToggle], a
+	ret
+
+Func_10031: ; 10031 (4:4031)
+	ld a, [$ff81]
+	push af
+	ld a, $1
+	call BankswitchRAM
+	call $4cbb
+	call DisableExtRAM
+	call $4b28
+	call Func_0404
+	call EnableLCD
+	call DoFrameIfLCDEnabled
+	call $4cea
+	call Func_0404
+	pop af
+	call BankswitchRAM
+	call DisableExtRAM
+	ret
 
 Func_10059: ; 10059 (4:4059)
 INCBIN "baserom.gbc",$10059,$100a2 - $10059
@@ -196,7 +237,44 @@ Func_10548: ; 10548 (4:4548)
 INCBIN "baserom.gbc",$10548,$10756 - $10548
 
 Func_10756: ; 10756 (4:4756)
-INCBIN "baserom.gbc",$10756,$10a9b - $10756
+INCBIN "baserom.gbc",$10756,$10a70 - $10756
+
+Func_10a70: ; 10a70 (4:4a70)
+	push hl
+	push bc
+	push de
+	ld b, a
+	ld c, $f
+	ld hl, wPCPacks
+.asm_10a79
+	ld a, [hli]
+	and $7f
+	cp b
+	jr z, .asm_10a97
+	dec c
+	jr nz, .asm_10a79
+	ld c, $f
+	ld hl, wPCPacks
+.asm_10a87
+	ld a, [hl]
+	and $7f
+	jr z, .asm_10a93
+	inc hl
+	dec c
+	jr nz, .asm_10a87
+	rst $38
+	jr .asm_10a97
+
+.asm_10a93
+	ld a, b
+	or $80
+	ld [hl], a
+
+.asm_10a97
+	pop de
+	pop bc
+	pop hl
+	ret
 
 Func_10a9b: ; 10a9b (4:4a9b)
 INCBIN "baserom.gbc",$10a9b,$10ab4 - $10a9b
@@ -205,7 +283,62 @@ Func_10ab4: ; 10ab4 (4:4ab4)
 INCBIN "baserom.gbc",$10ab4,$10af9 - $10ab4
 
 Func_10af9: ; 10af9 (4:4af9)
-INCBIN "baserom.gbc",$10af9,$10e28 - $10af9
+INCBIN "baserom.gbc",$10af9,$10c96 - $10af9
+
+Func_10c96: ; 10c96 (4:4c96)
+	ld a, [$ff81]
+	push af
+	push bc
+	ld a, $1
+	call BankswitchRAM
+	call $4cbb
+	call Func_10ab4
+	pop bc
+	ld a, c
+	or a
+	jr nz, .asm_10cb0
+	call $4cea
+	call Func_10af9
+
+.asm_10cb0
+	call EnableLCD
+	pop af
+	call BankswitchRAM
+	call DisableExtRAM
+	ret
+; 0x10cbb
+
+INCBIN "baserom.gbc",$10cbb,$10dba - $10cbb
+
+Func_10dba: ; 10dba (4:4dba)
+	ld a, $1
+	farcall Func_c29b
+	ld a, [wd0ba]
+	ld hl, $4e17
+	farcall Func_111e9
+.asm_10dca
+	call DoFrameIfLCDEnabled
+	call MenuCursorAcceptInput
+	jr nc, .asm_10dca
+	ld a, e
+	ld [wd0ba], a
+	ld a, [$ffb1]
+	cp e
+	jr z, .asm_10ddd
+	ld a, $4
+
+.asm_10ddd
+	ld [wd10e], a
+	push af
+	ld hl, $4df0
+	call JumpToFunctionInTable
+	farcall Func_c135
+	call DoFrameIfLCDEnabled
+	pop af
+	ret
+; 0x10df0
+
+INCBIN "baserom.gbc",$10df0,$10e28 - $10df0
 
 Func_10e28: ; 10e28 (4:4e28)
 INCBIN "baserom.gbc",$10e28,$10e55 - $10e28
@@ -671,17 +804,272 @@ Func_11416: ; 11416 (4:5416)
 INCBIN "baserom.gbc",$11416,$11430 - $11416
 
 Func_11430: ; 11430 (4:5430)
-INCBIN "baserom.gbc",$11430,$1162a - $11430
+INCBIN "baserom.gbc",$11430,$1157c - $11430
+
+Func_1157c: ; 1157c (4:557c)
+	ld a, c
+	or a
+	jr nz, .asm_11586
+	farcall Func_c228
+	jr .asm_1159f
+
+.asm_11586
+	ld a, $2
+	ld [wd0bc], a
+	ld a, $4
+	ld [wd0bd], a
+	ld a, $2
+	ld [wd0be], a
+	ld a, $1
+	ld [wd0bb], a
+	ld a, $1
+	ld [wd32e], a
+
+.asm_1159f
+	call $5238
+	ret
+; 0x115a3
+
+
+INCBIN "baserom.gbc",$115a3,$1162a - $115a3
 
 INCLUDE "data/map_scripts.asm"
 
-INCBIN "baserom.gbc",$1184a,$11857 - $1184a
+; loads a pointer into hl found on PointerTable_118f5
+Func_1184a: ; 1184a (4:584a)
+	; this may have been a macro
+	rlca
+	add (PointerTable_118f5 & $ff)
+	ld l, a
+	ld a, PointerTable_118f5 >> 8
+	adc $00
+	ld h, a
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ret
 
 Func_11857: ; 11857 (4:5857)
-INCBIN "baserom.gbc",$11857,$1217b - $11857
+	push hl
+	push bc
+	call Func_1184a
+	ld a, [hli]
+	ld [wd3ab], a
+	ld a, [hli]
+	ld [$d3b3], a
+	ld a, [hli]
+	ld [wd3b1], a
+	ld a, [hli]
+	push af
+	ld a, [hli]
+	ld [wd3b2], a
+	pop bc
+	ld a, [wConsole]
+	cp $2
+	jr nz, .asm_1187a
+	ld a, b
+	ld [wd3b1], a
+.asm_1187a
+	pop bc
+	pop hl
+	ret
 
-Unknown_1217b: ; 1217b (4:617b)
-INCBIN "baserom.gbc",$1217b,$1229f - $1217b
+; this appears to find data about the NPC we're talking to
+Func_1187d: ; 1187d (4:587d)
+	push hl
+	call Func_1184a
+	ld bc, $5
+	add hl, bc
+	ld c, [hl]
+	inc hl
+	ld b, [hl]
+	inc hl
+	ld a, [hli]
+	ld [wd0c8], a
+	ld a, [hli]
+	ld [wd0c9], a
+	pop hl
+	ret
+
+Func_11893: ; 11893 (4:5893)
+	push hl
+	push bc
+	call Func_1184a
+	ld bc, $0007
+	add hl, bc
+	ld a, [hli]
+	ld [wd0c8], a
+	ld a, [hli]
+	ld [wd0c9], a
+	pop bc
+	pop hl
+	ret
+
+Func_118a7: ; 118a7 (4:58a7)
+	push hl
+	push bc
+	call Func_1184a
+	ld bc, $0007
+	add hl, bc
+	ld a, [hli]
+	ld [wcc16], a
+	ld a, [hli]
+	ld [wcc17], a
+	ld a, [hli]
+	ld [wcc15], a
+	pop bc
+	pop hl
+	ret
+
+Func_118bf: ; 118bf (4:58bf)
+	push hl
+	push bc
+	call Func_1184a
+	ld bc, $000a
+	add hl, bc
+	ld a, [hli]
+	ld [wcc19], a
+	ld a, [hli]
+	ld [wDuelTheme], a
+	pop bc
+	pop hl
+	ret
+
+Func_118d3: ; 118d3 (4:58d3)
+	push hl
+	push bc
+	push af
+	call Func_1184a
+	ld bc, $000c
+	add hl, bc
+	ld a, [hli]
+	ld [wMatchStartTheme], a
+	pop af
+	cp $2
+	jr nz, .asm_118f2
+	ld a, [wCurMap]
+	cp $20
+	jr nz, .asm_118f2
+	ld a, $17
+	ld [wMatchStartTheme], a
+
+.asm_118f2
+	pop bc
+	pop hl
+	ret
+
+INCLUDE "data/unknownNPCData.asm"
+
+INCBIN "baserom.gbc",$11f4e,$1217b - $11f4e
+
+
+PointerTable_1217b: ; 1217b (4:617b)
+	dw Func_ccbe
+	dw Func_ccc6
+	dw Func_ccd4 ; Seems to begin dialogue with NPCs
+	dw Func_ccdc
+	dw Func_cce9 ; opens the "start battle?" box
+	dw Func_cd01 ; seems to start a battle. 
+	dw Func_cd83
+	dw Func_cda8
+	dw Func_cdb9
+	dw Func_cdcb
+	dw Func_ce26
+	dw Func_ce84
+	dw Func_ce8a ; Called after player wins a battle. Handles Booster Packs.
+	dw Func_cf0c
+	dw Func_cf12
+	dw Func_cf3f
+	dw Func_cf4c
+	dw Func_cf53
+	dw Func_cf7b
+	dw Func_cf2d
+	dw Func_cf96
+	dw Func_cfc6
+	dw Func_cfd4
+	dw Func_d00b
+	dw Func_d025
+	dw Func_d032
+	dw Func_d03f
+	dw Func_d049
+	dw Func_d04f
+	dw Func_d055
+	dw Func_d05c
+	dw Func_cee2
+	dw Func_d080
+	dw Func_d088
+	dw Func_d095
+	dw Func_d0be
+	dw Func_d0ce
+	dw Func_d0d9
+	dw Func_d0f2
+	dw Func_ce4a
+	dw Func_ceba
+	dw Func_d103
+	dw Func_d125
+	dw Func_d135
+	dw Func_d16b
+	dw Func_cd4f
+	dw Func_cd94
+	dw Func_ce52
+	dw Func_cdd8
+	dw Func_cdf5
+	dw Func_d195
+	dw Func_d1ad
+	dw Func_d1b3
+	dw Func_cccc ; Ends dialoge. Seems to do it after player answers the "start fight?" question.
+	dw Func_d244
+	dw Func_d24c
+	dw DeckMachine_d336
+	dw Func_d271
+	dw Func_d36d
+	dw Func_ce6f
+	dw Func_d209
+	dw Func_d38f
+	dw Func_d396
+	dw Func_cd76
+	dw Func_d39d
+	dw Func_d3b9
+	dw Func_d3c9
+	dw Func_d3d1
+	dw Func_d3d4
+	dw Func_d3e0
+	dw Func_d3fe
+	dw Func_d408
+	dw Func_d40f
+	dw Func_d416
+	dw Func_d423
+	dw Func_d429
+	dw Func_d41d
+	dw Func_d42f
+	dw Func_d435
+	dw Func_cce4
+	dw Func_d2f6
+	dw Func_d317
+	dw Func_d43d
+	dw Func_ccbe
+	dw Func_ccbe
+	dw Func_ccbe
+	dw Func_ccbe
+	dw Func_ccbe
+	dw Func_d44a
+	dw Func_d460
+	dw Func_d47b
+	dw Func_d484
+	dw Func_d49e
+	dw Func_d4a6
+	dw Func_d4ae
+	dw Func_d4bc
+	dw Func_d4c3
+	dw Func_d4ca
+	dw Func_d4df ; Used by 2 lightning club members and npcs in mason's lab. Not sure why.
+	dw Func_d452
+	dw Func_ccbe
+	dw Func_ccbe
+	dw Func_ccbe
+	dw Func_ccbe
+
+INCBIN "baserom.gbc",$1224b,$1229f - $1224b
 
 Unknown_1229f: ; 1229f (4:629f)
 INCBIN "baserom.gbc",$1229f,$126d1 - $1229f

src/engine/bank7.asm

@@ -91,10 +91,137 @@ Func_1c33b: ; 1c33b (7:433b)
 INCLUDE "data/map_songs.asm"
 
 Func_1c440: ; 1c440 (7:4440)
-INCBIN "baserom.gbc",$1c440,$1c485 - $1c440
+INCBIN "baserom.gbc",$1c440,$1c455 - $1c440
+
+Func_1c455: ; 1c455 (7:4455)
+	push hl
+	ld a, [wd3aa]
+	ld l, $4
+	call Func_39ad
+	ld a, [hl]
+	pop hl
+	ret
+
+Func_1c461: ; 1c461 (7:4461)
+	push hl
+	push bc
+	call Func_1c719
+	ld a, [wd3aa]
+	ld l, $2
+	call Func_39ad
+	ld a, b
+	ld [hli], a
+	ld [hl], c
+	call $46e3
+	pop bc
+	pop hl
+	ret
+
+Func_1c477: ; 1c477 (7:4477)
+	push hl
+	ld a, [wd3aa]
+	ld l, $2
+	call Func_39ad
+	ld a, [hli]
+	ld b, a
+	ld c, [hl]
+	pop hl
+	ret
 
 Func_1c485: ; 1c485 (7:4485)
-INCBIN "baserom.gbc",$1c485,$1c58e - $1c485
+INCBIN "baserom.gbc",$1c485,$1c50a - $1c485
+
+Func_1c50a: ; 1c50a (7:450a)
+	push hl
+	call Func_1c719
+	ld a, [wd3aa]
+	call $39a7
+	ld a, [hl]
+	or a
+	jr z, .asm_1c52c
+	call $44fa
+	jr nc, .asm_1c521
+	xor a
+	ld [wd3b8], a
+
+.asm_1c521
+	xor a
+	ld [hli], a
+	ld a, [hl]
+	farcallx $4, $69fd
+	ld hl, $d349
+	dec [hl]
+
+.asm_1c52c
+	pop hl
+	ret
+
+Func_1c52e: ; 1c52e (7:452e)
+	push hl
+	push af
+	ld a, [wd3aa]
+	ld l, $7
+	call Func_39ad
+	pop af
+	ld [hl], a
+	call Func_1c5e9
+	pop hl
+	ret
+
+Func_1c53f: ; 1c53f (7:453f)
+	push hl
+	push bc
+	ld a, [wd3aa]
+	ld l, $4
+	call Func_39ad
+	ld a, [hl]
+	ld bc, $0003
+	add hl, bc
+	ld [hl], a
+	push af
+	call Func_1c5e9
+	pop af
+	pop bc
+	pop hl
+	ret
+
+Func_1c557: ; 1c557 (7:4557)
+	push bc
+	ld c, a
+	ld a, [wd3aa]
+	push af
+	ld a, [wd3ab]
+	push af
+	ld a, c
+	ld [wd3ab], a
+	ld c, $0
+	call Func_39c3
+	jr c, .asm_1c570
+	call Func_1c53f
+	ld c, a
+
+.asm_1c570
+	pop af
+	ld [wd3ab], a
+	pop af
+	ld [wd3aa], a
+	ld a, c
+	pop bc
+	ret
+
+Func_1c57b: ; 1c57b (7:457b)
+	push hl
+	push bc
+	push af
+	ld a, [wd3aa]
+	ld l, $6
+	call Func_39ad
+	pop af
+	ld [hl], a
+	call Func_1c58e
+	pop bc
+	pop hl
+	ret
 
 Func_1c58e: ; 1c58e (7:458e)
 INCBIN "baserom.gbc",$1c58e,$1c5e9 - $1c58e
@@ -106,16 +233,142 @@ Func_1c610: ; 1c610 (7:4610)
 INCBIN "baserom.gbc",$1c610,$1c6f8 - $1c610
 
 Func_1c6f8: ; 1c6f8 (7:46f8)
-INCBIN "baserom.gbc",$1c6f8,$1c72e - $1c6f8
+INCBIN "baserom.gbc",$1c6f8,$1c719 - $1c6f8
+
+Func_1c719: ; 1c719 (7:4719)
+	push hl
+	push bc
+	ld a, [wd3aa]
+	ld l, $2
+	call Func_39ad
+	ld a, [hli]
+	ld b, a
+	ld c, [hl]
+	ld a, $40
+	call $3937
+	pop bc
+	pop hl
+	ret
+
 
 Func_1c72e: ; 1c72e (7:472e)
 INCBIN "baserom.gbc",$1c72e,$1c768 - $1c72e
 
 Func_1c768: ; 1c768 (7:4768)
-INCBIN "baserom.gbc",$1c768,$1c82e - $1c768
+	push hl
+	ld a, [wd3aa]
+	ld l, $04
+	call Func_39ad
+	ld a, [wd334]
+	xor $02
+	ld [hl], a
+	call Func_1c58e
+	ld a, $02
+	farcall Func_c29b
+	ld a, [wd3aa]
+	call $39a7
+	ld a, [hl]
+	farcall Func_1187d
+	pop hl
+	ret
+
+Func_1c78d: ; 1c78d (7:478d)
+	push hl
+	ld a, [wd3aa]
+	ld l, $5
+	call Func_39ad
+	set 5, [hl]
+	ld a, [wd3aa]
+	ld l, $8
+	call Func_39ad
+	xor a
+	ld [hli], a
+.asm_1c7a2
+	ld [hl], c
+	inc hl
+	ld [hl], b
+	dec hl
+	call $39ea
+	cp $f0
+	jr nc, .asm_1c7bb
+	push af
+	and $7f
+	call $45ff
+	pop af
+	bit 7, a
+	jr z, .asm_1c7dc
+	inc bc
+	jr .asm_1c7a2
+
+.asm_1c7bb
+	cp $ff
+	jr z, .asm_1c7d2
+	inc bc
+	call $39ea
+	push hl
+	ld l, a
+	ld h, $0
+	bit 7, l
+	jr z, .asm_1c7cc
+	dec h
+
+.asm_1c7cc
+	add hl, bc
+	ld c, l
+	ld b, h
+	pop hl
+	jr .asm_1c7a2
+
+.asm_1c7d2
+	ld a, [wd3aa]
+	ld l, $5
+	call Func_39ad
+	res 5, [hl]
+
+.asm_1c7dc
+	pop hl
+	ret
+
+Func_1c7de: ; 1c7de (7:47de)
+	ld a, [$d3b7]
+	and $20
+    ret
+; 0x1c7e4
+
+INCBIN "baserom.gbc",$1c7e4,$1c82e - $1c7e4
 
 Func_1c82e: ; 1c82e (7:482e)
-INCBIN "baserom.gbc",$1c82e,$1d078 - $1c82e
+INCBIN "baserom.gbc",$1c82e,$1c83d - $1c82e
+
+Func_1c83d: ; 1c83d (7:483d)
+	push hl
+	push bc
+	ld b, a
+	ld c, $a
+	ld hl, $d3bb
+.asm_1c845
+	ld a, [hl]
+	or a
+	jr z, .asm_1c853
+	cp b
+	jr z, .asm_1c855
+	inc hl
+	dec c
+	jr nz, .asm_1c845
+	rst $38
+	jr .asm_1c855
+
+.asm_1c853
+	ld a, b
+	ld [hl], a
+
+.asm_1c855
+	pop bc
+	pop hl
+	ret
+; 0x1c858
+
+INCBIN "baserom.gbc",$1c858,$1d078 - $1c858
 
 Func_1d078: ; 1d078 (7:5078)
 	ld a, [wd627]

src/engine/home.asm

@@ -219,6 +219,7 @@ WaitForVBlank: ; 0264 (0:0264)
 	ld a, [hl]
 .asm_270
 	halt
+	nop
 	cp [hl]
 	jr z, .asm_270
 .asm_275
@@ -3237,9 +3238,112 @@ PrintOpponentName: ; 1c8e (0:1c8e)
 .printPlayer2
 	text_hl Player2
 	jp PrintTextBoxBorderLabel
-; 0x1caa
 
-INCBIN "baserom.gbc",$1caa,$1d2e - $1caa
+Func_1caa: ; 1caa (0:1caa)
+	push de
+	push bc
+	call EnableExtRAM
+	ld hl, $0000
+	ld de, sDeck1Cards
+	ld c, $4
+.asm_1cb7
+	ld a, [de]
+	or a
+	jr z, .asm_1cc1
+	ld a, c
+	ld bc, $003c
+	add hl, bc
+	ld c, a
+
+.asm_1cc1
+	ld a, $54
+	add e
+	ld e, a
+	ld a, $0
+	adc d
+	ld d, a
+	dec c
+	jr nz, .asm_1cb7
+	ld de, sCardCollection
+.asm_1ccf
+	ld a, [de]
+	bit 7, a
+	jr nz, .asm_1cd8
+	ld c, a
+	ld b, $0
+	add hl, bc
+
+.asm_1cd8
+	inc e
+	jr nz, .asm_1ccf
+	call DisableExtRAM
+	pop bc
+	pop de
+	ret
+
+Func_1ce1: ; 1ce1 (0:1ce1)
+	push hl
+	push de
+	push bc
+	call EnableExtRAM
+	ld c, a
+	ld b, $0
+	ld hl, sDeck1Cards
+	ld d, $4
+.asm_1cef
+	ld a, [hl]
+	or a
+	jr z, .asm_1cff
+	push hl
+	ld e, $3c
+.asm_1cf6
+	ld a, [hli]
+	cp c
+	jr nz, .asm_1cfb
+	inc b
+
+.asm_1cfb
+	dec e
+	jr nz, .asm_1cf6
+	pop hl
+
+.asm_1cff
+	push de
+	ld de, $0054
+	add hl, de
+	pop de
+	dec d
+	jr nz, .asm_1cef
+	ld h, $a1
+	ld l, c
+	ld a, [hl]
+	bit 7, a
+	jr nz, .asm_1d11
+	add b
+
+.asm_1d11
+	and $7f
+	call DisableExtRAM
+	pop bc
+	pop de
+	pop hl
+	or a
+	ret nz
+	scf
+	ret
+
+Func_1d1d: ; 1d1d (0:1d1d)
+	push hl
+	call EnableExtRAM
+	ld h, $a1
+	ld l, a
+	ld a, [hl]
+	call DisableExtRAM
+	pop hl
+	and $7f
+	ret nz
+	scf
+	ret
 
 ;creates a list at $c000 of every card the player owns and how many
 CreateTempCardCollection: ; 1d2e (0:1d2e)
@@ -3305,7 +3409,24 @@ AddCardToCollection: ; 1d6e (0:1d6e)
 	pop hl
 	ret
 
-INCBIN "baserom.gbc",$1d91,$1dca - $1d91
+Func_1d91: ; 1d91 (0:1d91)
+	push hl
+	call EnableExtRAM
+	ld h, $a1
+	ld l, a
+	ld a, [hl]
+	and $7f
+	jr z, .asm_1d9f
+	dec a
+	ld [hl], a
+
+.asm_1d9f
+	call DisableExtRAM
+	pop hl
+	ret
+; 0x1da4
+
+INCBIN "baserom.gbc",$1da4,$1dca - $1da4
 
 ; memcpy(HL, DE, C)
 Memcpy: ; 1dca (0:1dca)
@@ -5391,9 +5512,24 @@ Func_2f32: ; 2f32 (0:2f32)
 .asm_2f43
 	pop hl
 	ret
-; 0x2f45
 
-INCBIN "baserom.gbc",$2f45,$2f5d - $2f45
+Func_2f45: ; 2f45 (0:2f45)
+	push hl
+	call GetCardPointer
+	jr c, .asm_2f5b
+	ld a, $c
+	call BankpushHome2
+	ld de, $0003
+	add hl, de
+	ld e, [hl]
+	inc hl
+	ld d, [hl]
+	call BankpopHome
+	or a
+
+.asm_2f5b
+	pop hl
+	ret
 
 ; from the card id in a, loads type into a, rarity into b, and set into c
 GetCardHeader: ; 2f5d (0:2f5d)
@@ -6730,9 +6866,14 @@ Credits_3911: ; 3911 (0:3911)
 	farcall Credits_1d6ad
 	or a
 	ret
-; 0x3917
 
-INCBIN "baserom.gbc",$3917,$3927 - $3917
+Func_3917: ; 3917 (0:3917)
+	ld a, $22
+	farcall Func_ca6c
+	call EnableExtRAM
+	ld [$a00a], a
+	call DisableExtRAM
+	ret
 
 Func_3927: ; 3927 (0:3927)
 	push hl
@@ -6787,9 +6928,11 @@ Func_3997: ; 3997 (0:3997)
 	pop af
 	call BankswitchHome
 	ret
-; 0x39a7
 
-INCBIN "baserom.gbc",$39a7,$39ad - $39a7
+Func_39a7: ; 39a7 (0:39a7)
+	ld l, $0
+	call Func_39ad
+	ret
 
 Func_39ad: ; 39ad (0:39ad)
 	push bc
@@ -6991,6 +7134,7 @@ Func_3abd: ; 3abd (0:3abd)
 
 INCBIN "baserom.gbc",$3ae8,$3aed - $3ae8
 
+; finds a pointer on a table (in bank 4) using the data after rst20 is called and jumps to it (in bank 3)
 Func_3aed: ; 3aed (0:3aed)
 	ld hl, $d413
 	ld a, [hli]
@@ -7004,11 +7148,11 @@ Func_3aed: ; 3aed (0:3aed)
 	rlca
 	ld c, a
 	ld b, $0
-	ld hl, Unknown_1217b
+	ld hl, PointerTable_1217b 
 	add hl, bc
 	ldh a, [hBankROM]
 	push af
-	ld a, BANK(Unknown_1217b)
+	ld a, BANK(PointerTable_1217b)
 	call BankswitchHome
 	ld a, [hli]
 	ld h, [hl]
@@ -7193,9 +7337,13 @@ DivideBCbyDE: ; 3c5a (0:3c5a)
 	dec a
 	jr nz, .asm_3c63
 	ret
-; 0x3c83
 
-INCBIN "baserom.gbc",$3c83,$3c96 - $3c83
+Func_3c83: ; 3c83 (0:3c83)
+	call PlaySong
+	ret
+; 0x3c87
+
+INCBIN "baserom.gbc",$3c87,$3c96 - $3c87
 
 Func_3c96: ; 3c96 (0:3c96)
 	call DoFrameIfLCDEnabled