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bank_001.asm
executable file
·5593 lines (4931 loc) · 104 KB
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bank_001.asm
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; Disassembly of "donkeykong.gb"
; This file was created with mgbdis v1.3 - Game Boy ROM disassembler by Matt Currie.
; https://github.com/mattcurrie/mgbdis
SECTION "ROM Bank $001", ROMX[$4000], BANK[$1]
ldh a, [hFunctionTableIndex]
rst $08
dec c
ld b, b
ld l, h
ld b, b
rst $08
ld b, c
dec de
ld b, c
ld b, d
ld b, c
call Call_000_1ea9
xor a
call Call_000_1ea8
ld hl, $bbc0
push hl
ld c, $0c
xor a
ld [$c706], a
call FillMemory
ld hl, $c220
pop de
ld c, $06
jr_001_4027:
push bc
push de
ld a, [hl]
or a
jr z, jr_001_4050
push hl
push de
ld hl, $c2e0
ld de, $0020
ld b, $07
jr_001_4037:
ld a, [hl]
or a
jr z, jr_001_403f
add hl, de
inc b
jr jr_001_4037
jr_001_403f:
pop de
ld a, b
ld [de], a
inc de
swap a
ld [de], a
ld d, h
ld e, l
pop hl
push hl
ld c, $20
call CopyData
pop hl
jr_001_4050:
ld bc, $0020
add hl, bc
pop de
inc de
inc de
pop bc
dec c
jr nz, jr_001_4027
call Call_000_1eb2
ld hl, $c707
ld de, $c709
ld a, [hl+]
ld [de], a
inc de
ld a, [hl]
ld [de], a
call IncrementFunctionTableIndex
ld a, $48
ld [$da3d], a
ld [$da3e], a
xor a
ldh [$ff95], a
ld a, $20
ld [$c6fe], a
ld a, $03
call $1de6
ld a, [$c70c]
add a
add a
add a
ld d, $00
ld e, a
ld hl, $db18
add hl, de
add hl, de
ld e, [hl]
push hl
push hl
ld hl, TileIndexTable
add hl, de
add hl, de
ld a, [hl+]
ld h, [hl]
ld l, a
ld de, $0008
add hl, de
ld a, [hl+]
dec a
swap a
srl a
ld c, a
ld b, [hl]
dec b
swap b
srl b
pop hl
inc hl
ld a, [hl+]
ld h, [hl]
ld l, a
call Call_000_3375
ld a, d
ld [$c2c3], a
ld a, e
ld [$c2c7], a
pop hl
dec hl
dec hl
ld a, [hl]
cp $f4
jr nz, jr_001_40c5
ld c, $08
jr_001_40c5:
cp $a8
jr nz, jr_001_40ce
ld de, $000e
add hl, de
ld a, [hl]
jr_001_40ce:
ld [$c2a1], a
ld [$c2c1], a
xor a
ld [$c2a2], a
inc a
ld [$c2a0], a
ld [$c2c0], a
ld [$c2c2], a
ldh a, [rSCY]
add $50
and $f8
ld [$c2a3], a
ld [$c223], a
ld [$c243], a
add c
ld [$c263], a
ld [$c283], a
ldh a, [rSCX]
add $50
and $f8
ld [$c2a7], a
ld [$c227], a
ld [$c267], a
add b
ld [$c247], a
ld [$c287], a
call Call_001_4370
call Call_001_43a6
xor a
ld [$c22b], a
jp IncrementFunctionTableIndex
call $0a38
call $1e54
call $12e2
ld a, [$c81a]
and $f0
jr z, jr_001_4137
ld b, a
call Call_001_4315
ld a, $07
ld [$c82e], a
ld [$c835], a
jr_001_4137:
ldh a, [$ff8b]
bit 0, a
ret z
xor a
ldh [$ff95], a
jp Jump_001_429a
call $0e92
call Call_000_1ea9
xor a
call Call_000_1ea8
ld hl, $c220
ld de, $bbc0
ld c, $06
jr_001_4154:
ld [hl], $00
push bc
ld a, [de]
inc de
and $0f
ld b, a
ld a, [de]
inc de
and $0f
swap a
or b
jr z, jr_001_4180
push de
push hl
push hl
add a
add a
add a
ld h, $00
ld l, a
add hl, hl
add hl, hl
ld de, $c200
add hl, de
xor a
ld [hl], a
pop de
ld c, $20
call CopyData
pop hl
pop de
ld [hl], $01
jr_001_4180:
ld bc, $0020
add hl, bc
pop bc
dec c
jr nz, jr_001_4154
call Call_000_1eb2
xor a
ld [$c6fe], a
ld hl, $ff8f
jr_001_4192:
ld a, [hl]
cp $3b
jr nz, jr_001_4192
ld [hl], $01
ld a, SceneStage
ldh [hCurrentScene], a
ld a, SceneStageMapScreen
ldh [hFunctionTableIndex], a
ld hl, $c707
ld de, $c709
ld a, [de]
inc de
ld [hl+], a
ld a, [de]
ld [hl], a
ld a, $03
ld [$c82e], a
ld [$c835], a
ld a, [$c837]
cp $03
ret z
cp $24
ret z
ld a, [$c201]
cp $1a
ret c
cp $1e
ret nc
ld a, $29
ld [$c82e], a
ld [$c835], a
ret
call $0a38
call Call_001_426c
call Call_001_422d
call $12e2
ldh a, [$ff95]
cp $41
jr nc, jr_001_420e
ld hl, $c22b
ld a, [hl]
inc [hl]
cp $0a
ret nz
xor a
ld [hl], a
ld a, [$c220]
xor $01
ld [$c220], a
ld [$c240], a
ld [$c260], a
ld [$c280], a
ld [$c2a0], a
xor $01
ld [$c2c0], a
ret z
ld a, $27
ld [$c82d], a
ld [$c835], a
ret
jr_001_420e:
xor a
ld [$c2c0], a
inc a
ld [$c220], a
ld [$c240], a
ld [$c260], a
ld [$c280], a
ld [$c2a0], a
ld a, $4c
ld [$c82e], a
ld [$c835], a
jp IncrementFunctionTableIndex
Call_001_422d:
ldh a, [$ff95]
cp $21
jr c, jr_001_4254
ld hl, $c2a1
ld de, $fe02
ld a, [hl+]
inc hl
cp $a7
jr z, jr_001_4246
cp $ed
jr z, jr_001_4246
ld de, $fafe
jr_001_4246:
ld a, [hl+]
inc hl
inc hl
inc hl
add d
ld [$c2c3], a
ld a, [hl]
add e
ld [$c2c7], a
ret
jr_001_4254:
ld hl, $c2ca
ld a, [hl-]
ld e, a
ld a, [hl-]
ld d, a
ld a, [hl]
add e
ld [hl-], a
ld a, [hl]
adc d
ld [hl-], a
ld a, [hl-]
ld e, a
ld a, [hl-]
ld d, a
ld a, [hl]
add e
ld [hl-], a
ld a, [hl]
adc d
ld [hl], a
ret
Call_001_426c:
ldh a, [$ff95]
cp $29
ret nc
ld hl, $c227
inc [hl]
inc [hl]
ld hl, $c223
inc [hl]
inc [hl]
ld hl, $c247
dec [hl]
dec [hl]
ld hl, $c243
inc [hl]
inc [hl]
ld hl, $c267
inc [hl]
inc [hl]
ld hl, $c263
dec [hl]
dec [hl]
ld hl, $c287
dec [hl]
dec [hl]
ld hl, $c283
dec [hl]
dec [hl]
ret
Jump_001_429a:
ld a, [$c70c]
add a
add a
add a
ld d, $00
ld e, a
ld hl, $db18
add hl, de
add hl, de
ld a, [hl+]
ld [$c725], a
ld e, a
ld hl, TileIndexTable
add hl, de
add hl, de
ld a, [hl+]
ld h, [hl]
ld l, a
ld de, $0008
add hl, de
ld a, [hl+]
ld c, a
ld a, [hl+]
ld b, a
call Call_001_42f9
push hl
xor a
jr_001_42c2:
push hl
push bc
jr_001_42c4:
or [hl]
inc hl
ld b, a
ld a, [hl+]
cp $20
jr nc, jr_001_42ce
or b
ld b, a
jr_001_42ce:
ld a, b
inc hl
inc hl
dec c
jr nz, jr_001_42c4
pop bc
pop hl
ld de, $0080
add hl, de
dec b
jr nz, jr_001_42c2
pop hl
or a
jr z, jr_001_42ea
ld a, $02
ld [$c82f], a
ld [$c835], a
ret
jr_001_42ea:
ld a, $65
ld [$c82d], a
ld [$c835], a
ld a, $04
ldh [hFunctionTableIndex], a
jp $2627
Call_001_42f9:
ld a, [$c223]
sub $10
ld h, $00
ld l, a
add hl, hl
add hl, hl
add hl, hl
add hl, hl
ld a, [$c227]
sub $08
srl a
ld d, $00
ld e, a
add hl, de
ld de, $c8f1
add hl, de
ret
Call_001_4315:
ld hl, $c223
ld de, $0020
ldh a, [rSCY]
and $f8
add $98
cp [hl]
jr z, jr_001_4329
bit 7, b
call nz, Call_001_4356
jr_001_4329:
ldh a, [rSCY]
and $f8
add $18
cp [hl]
jr z, jr_001_4337
bit 6, b
call nz, Call_001_4363
jr_001_4337:
ld hl, $c227
ldh a, [rSCX]
and $f8
add $08
cp [hl]
jr z, jr_001_4348
bit 5, b
call nz, Call_001_4363
jr_001_4348:
bit 4, b
ret z
ldh a, [rSCX]
and $f8
add $a0
cp [hl]
jp nz, Jump_001_4356
ret
Call_001_4356:
Jump_001_4356:
push hl
ld c, $05
jr_001_4359:
ld a, [hl]
add $08
ld [hl], a
add hl, de
dec c
jr nz, jr_001_4359
pop hl
ret
Call_001_4363:
push hl
ld c, $05
jr_001_4366:
ld a, [hl]
sub $08
ld [hl], a
add hl, de
dec c
jr nz, jr_001_4366
pop hl
ret
Call_001_4370:
ld de, $001c
ld hl, $c223
ld a, [hl]
sub $50
ld [hl+], a
inc hl
inc hl
inc hl
ld a, [hl]
sub $50
ld [hl], a
add hl, de
ld a, [hl]
sub $50
ld [hl+], a
inc hl
inc hl
inc hl
ld a, [hl]
add $50
ld [hl], a
add hl, de
ld a, [hl]
add $50
ld [hl+], a
inc hl
inc hl
inc hl
ld a, [hl]
sub $50
ld [hl], a
add hl, de
ld a, [hl]
add $50
ld [hl+], a
inc hl
inc hl
inc hl
ld a, [hl]
add $50
ld [hl], a
ret
Call_001_43a6:
ld b, $00
ld de, $c707
ld a, [de]
inc de
ld c, a
ld hl, $c2c3
ld a, [hl]
push af
sub $06
ld [hl+], a
pop af
inc hl
sub c
sub $50
cpl
inc a
sra a
rr b
sra a
rr b
sra a
rr b
sra a
rr b
sra a
rr b
ld [hl+], a
ld a, b
ld [hl+], a
ld b, $00
ld a, [de]
ld c, a
ld a, [hl]
dec [hl]
dec [hl]
inc hl
inc hl
sub c
sub $50
cpl
inc a
sra a
rr b
sra a
rr b
sra a
rr b
sra a
rr b
sra a
rr b
ld [hl+], a
ld [hl], b
ret
ld a, [wIsOnSGB]
bit 5, a
jr nz, jr_001_4416
ld a, [$c860]
or a
jr z, jr_001_4416
ldh a, [$ff8b]
bit 0, a
jr nz, jr_001_4434
bit 3, a
jr nz, jr_001_4434
ld a, [$c20b]
dec a
jr jr_001_441e
jr_001_4416:
ld a, [$c20b]
dec a
cp $81
jr z, jr_001_4434
jr_001_441e:
ld b, a
and $0f
jr nz, jr_001_4431
ld de, $c7f1
ld a, b
and $10
jr z, jr_001_442e
ld de, $c7f7
jr_001_442e:
call Call_000_1685
jr_001_4431:
jp Call_000_10c6
jr_001_4434:
ld b, $6e
ld hl, $c860
ld a, [hl+]
or a
jr z, jr_001_445a
cp $09
jr z, jr_001_4448
ld a, [hl]
and $03
jr z, jr_001_4448
ld b, $6f
jr_001_4448:
ld a, b
ld [$c80d], a
ld [$c82d], a
ld [$c835], a
ld a, $80
ld [$c836], a
call Call_001_446d
jr_001_445a:
ld de, $c7f1
call Call_000_1685
xor a
ldh [$ff95], a
ld [$c70f], a
ld a, $12
ldh [hFunctionTableIndex], a
jp $0da3
Call_001_446d:
ld hl, $c860
ld c, $09
ld a, [hl+]
cp c
ret nz
ld a, [hl]
cp c
ret nz
ld hl, $4488
ld de, $c8d1
push de
ld c, $06
call CopyData
pop de
jp Call_000_1685
ld l, c
sbc b
ld [bc], a
ld [bc], a
ld a, [bc]
nop
ld a, [$c860]
or a
jr z, jr_001_44a3
ld b, $60
ld a, [$c80d]
cp $6f
jr z, jr_001_449f
ld b, $a0
jr_001_449f:
ldh a, [$ff95]
cp b
ret nz
jr_001_44a3:
xor a
ldh [hFunctionTableIndex], a
ld a, [wIsOnSGB]
bit 5, a
ld a, $10
jr z, jr_001_44b1
ld a, $12
jr_001_44b1:
ldh [hCurrentScene], a
ret
ld a, $0f
call Call_000_1de1
ld hl, $48cb
push hl
ld de, $c7f3
ld c, $04
call CopyData
pop hl
ld de, $c7f9
ld c, $04
call CopyData
ld de, $c809
call Call_001_455b
ld a, l
ld [$c7f1], a
ld [$c7f7], a
ld a, h
ld [$c7f2], a
ld [$c7f8], a
call Call_001_455b
push de
call $2874
jr z, jr_001_4506
ld a, [wIsOnSGB]
bit 4, a
jr nz, jr_001_44f7
call $287c
jr z, jr_001_4509
jr_001_44f7:
ld a, $7c
ld [hl+], a
inc a
ld [hl], a
inc a
ld de, $001f
add hl, de
ld [hl+], a
inc a
ld [hl], a
jr jr_001_4509
jr_001_4506:
call IncrementFunctionTableIndex
jr_001_4509:
pop hl
ld bc, $9a08
ld a, [hl+]
add a
call Call_001_4573
ld a, [hl]
push af
ld h, $00
ld l, a
call Call_000_2006
ld bc, $9a0a
ld hl, wTimerTensDigit
ld a, [hl+]
add a
call nz, Call_001_4573
ld a, [hl]
add a
call Call_001_4573
ld a, $08
ld [$c66c], a
ld a, $10
ld [$c6e8], a
pop af
dec a
and $03
ld hl, $48db
ld d, $00
ld e, a
add hl, de
ld a, [hl]
ld [$c7fb], a
ld a, [wLives]
ld h, $00
ld l, a
call Call_000_2006
ld bc, $9a10
ld hl, wTimerTensDigit
ld a, [hl+]
add a
call nz, Call_001_4573
ld a, [hl]
add a
jr jr_001_4573
Call_001_455b:
ld a, [de]
inc de
sub $10
ld h, $00
ld l, a
add hl, hl
add hl, hl
ld a, [de]
inc de
sub $08
srl a
srl a
srl a
ld b, $98
ld c, a
add hl, bc
ret
Call_001_4573:
jr_001_4573:
push hl
ld hl, $48df
ld d, $00
ld e, a
add hl, de
ld a, [hl+]
ld [bc], a
ld a, [hl]
ld hl, $0020
add hl, bc
ld [hl], a
inc bc
pop hl
ret
ld hl, $48cf
ld de, $c7f3
ld c, $04
call CopyData
call IncrementFunctionTableIndex
call $0dc3
ld de, $4932
ld h, $00
ld l, b
add hl, hl
add hl, hl
add hl, hl
add hl, de
call $2884
ld [$c809], a