140 lines
2.1 KiB
Python
140 lines
2.1 KiB
Python
from ..assembler import ASM
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import os
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import pkgutil
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def updateEndScreen(rom):
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# Call our custom data loader in bank 3F
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rom.patch(0x00, 0x391D, ASM("""
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ld a, $20
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ld [$2100], a
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jp $7de6
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"""), ASM("""
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ld a, $3F
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ld [$2100], a
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jp $4200
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"""))
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rom.patch(0x17, 0x2FCE, "B170", "D070") # Ignore the final tile data load
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rom.patch(0x3F, 0x0200, None, ASM("""
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; Disable LCD
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xor a
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ldh [$40], a
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ld hl, $8000
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ld de, $5000
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copyLoop:
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ld a, [de]
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inc de
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ldi [hl], a
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bit 4, h
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jr z, copyLoop
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ld a, $01
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ldh [$4F], a
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ld hl, $8000
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ld de, $6000
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copyLoop2:
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ld a, [de]
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inc de
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ldi [hl], a
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bit 4, h
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jr z, copyLoop2
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ld hl, $9800
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ld de, $0190
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clearLoop1:
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xor a
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ldi [hl], a
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dec de
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ld a, d
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or e
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jr nz, clearLoop1
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ld de, $0190
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clearLoop2:
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ld a, $08
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ldi [hl], a
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dec de
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ld a, d
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or e
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jr nz, clearLoop2
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xor a
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ldh [$4F], a
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ld hl, $9800
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ld de, $000C
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xor a
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loadLoop1:
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ldi [hl], a
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ld b, a
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ld a, l
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and $1F
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cp $14
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jr c, .noLineSkip
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add hl, de
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.noLineSkip:
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ld a, b
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inc a
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jr nz, loadLoop1
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loadLoop2:
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ldi [hl], a
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ld b, a
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ld a, l
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and $1F
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cp $14
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jr c, .noLineSkip
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add hl, de
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.noLineSkip:
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ld a, b
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inc a
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jr nz, loadLoop2
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; Load palette
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ld hl, $DC10
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ld a, $00
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ldi [hl], a
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ld a, $00
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ldi [hl], a
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ld a, $ad
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ldi [hl], a
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ld a, $35
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ldi [hl], a
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ld a, $94
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ldi [hl], a
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ld a, $52
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ldi [hl], a
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ld a, $FF
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ldi [hl], a
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ld a, $7F
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ldi [hl], a
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ld a, $00
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ld [$DDD3], a
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ld a, $04
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ld [$DDD4], a
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ld a, $81
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ld [$DDD1], a
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; Enable LCD
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ld a, $91
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ldh [$40], a
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ld [$d6fd], a
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xor a
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ldh [$96], a
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ldh [$97], a
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ret
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"""))
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addr = 0x1000
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data = pkgutil.get_data(__name__, "nyan.bin")
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rom.banks[0x3F][addr : addr + len(data)] = data
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