Mega Man 2: Rockman 2 - Nerfed Spikes

This hack of Rockman 2 makes the spikes deal only damage to the player instead of instant death. This patch is for a Japan ROM, however, it is not compatible with the USA version ROM.

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?@?@?@?@?@http://borokobo.web.fc2.com/
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?@?@?@?@?@http://www.geocities.jp/borokobo/
?@?@?@?@?@?iNeo?ڂ낭???H?[?ʊفj

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BANKORG_D $1C8A5E ;?g?Q?ɉ?????G?ꂽ??
jsr NerfedSpike_H
lda #$03
nop
nop

BANKORG_D $1C8CC2 ;?g?Q?ɏc?ɐG?ꂽ??
jsr NerfedSpike_V
ldx #$00
nop
nop

BANKORG_D $1FF2A2 ;?󂫗̈?𗘗p
NerfedSpike_V:
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;???̂??߁A??????Y???W?𒲐????‚A?c?????ɂ͕ǂɐG??Ă??Ȃ????Ƃɂ???
lda <$2C
cmp #$06 ;?u?󒆁v???
bne .NotFixCollisionState
lda $0640 ;???Ɉړ????Ă???
bpl .NotFixCollisionState
;?g?Q?ɂ?鎩?@?̉????߂?
lda <$0A
and #$0F
sta <$32
sec
lda $04A0
sbc <$32
sta $04A0
;?ǂɂ͐G??Ă??Ȃ??Ƃ????????ɂ???
lda #$00
sta <$32
sta <$33
.NotFixCollisionState
NerfedSpike_H:
sec
lda $06C0 ;HP
sbc #(4) ;?_???[?W??
bpl .NotFixHP
lda #$00
.NotFixHP
sta $06C0 ;HP
beq .Dead
jmp $D32F ;?m?b?N?o?b?N
.Dead
sta <$2C ;???b?N?}???̏??
pla
pla
jmp $C10B



Database match: Rockman 2 - Dr. Wily no Nazo (Japan)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: FB51875D1FF4B0DEEE97E967E6434FF514F3C2F2
File CRC32: 30B91650
ROM SHA-1: 3E9DC769E1B63E73834786EC7FE9EDE7E706C72F
ROM CRC32: 6150517C