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Expand some bankswitch routines in the home bank

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hg-commit-id: 01edc4778cee
This commit is contained in:
IIMarckus 2010-10-29 21:20:50 -06:00
parent 86a83b1046
commit ecf5f87019
1 changed files with 40 additions and 3 deletions
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43
pokered.asm
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@ -1233,7 +1233,44 @@ TechnicalPrefix:
HiddenPrefix:
db $87,$8C ; "HM"
INCBIN "baserom.gbc",$3040,$3A87 - $3040
INCBIN "baserom.gbc",$3040,$35BC - $3040
BankswitchHome: ; 35BC
; switches to bank # in a
; Only use this when in the home bank!
ld [$CF09],a
ld a,[$FFB8]
ld [$CF08],a
ld a,[$CF09]
ld [$FFB8],a
ld [$2000],a
ret
BankswitchBack: ; 35CD
; returns from BankswitchHome
ld a,[$CF08]
ld [$FFB8],a
ld [$2000],a
ret
Bankswitch: ; 35D6
; self-contained bankswitch, use this when not in the home bank
; switches to the bank in b
ld a,[$FFB8]
push af
ld a,b
ld [$FFB8],a
ld [$2000],a
ld bc,.Return\@
push bc
jp [hl]
.Return\@
pop bc
ld a,b
ld [$FFB8],a
ld [$2000],a
ret
INCBIN "baserom.gbc",$35EC,$3A87 - $35EC
AddNTimes: ; 3A87
; add bc to hl a times
@ -3840,7 +3877,7 @@ Function674B: ; 674B
ld [$D11D],a
ld hl,$490E
ld b,$F
call $35D6 ; bankswitch
call Bankswitch
xor a
ld [$D11D],a
ld a,[$D12B]
@ -3953,7 +3990,7 @@ AIIncreaseStat:
ld [hl],b
ld hl,$7428
ld b,$F
call $35D6 ; bankswitch
call Bankswitch
pop hl
pop af
ld [hli],a