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labels for cgb double speed functions

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This commit is contained in:
yenatch 2013-09-08 03:12:48 -04:00
parent 844546f849
commit 4a04a09a6b
2 changed files with 15 additions and 8 deletions
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2
common/init.asm
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@ -156,7 +156,7 @@ Init: ; 17d
ld a, [hCGB]
and a
jr z, .asm_22b
call Function2ff7
call NormalSpeed
.asm_22b
xor a

21
main.asm
View File

@ -827,20 +827,27 @@ _de_: ; 2fed
; 2fef
Function2fef: ; 2fef
; The CGB hardware introduces Double Speed Mode.
; While active, the clock speed is doubled.
; The hardware can switch between normal speed
; and double speed at any time, but LCD output
; collapses during the switch.
DoubleSpeed: ; 2fef
ld hl, rKEY1
bit 7, [hl]
jr z, Function2ffd
jr z, SwitchSpeed
ret
; 2ff7
Function2ff7: ; 2ff7
NormalSpeed: ; 2ff7
ld hl, rKEY1
bit 7, [hl]
ret z
; 2ffd
Function2ffd: ; 2ffd
SwitchSpeed: ; 2ffd
set 0, [hl]
xor a
ld [rIF], a
@ -76483,7 +76490,7 @@ Function1000a4: ; 1000a4
ld [$ffe9], a
xor a
ld [$ff9e], a
call Function2ff7
call NormalSpeed
xor a
ld [rIF], a
ld a, [BGMapBuffer]
@ -81935,7 +81942,7 @@ Function1183cb: ; 1183cb
di
ld a, [rIE]
ld [$cd32], a
call Function2fef
call DoubleSpeed
xor a
ld [rIF], a
ld [$c300], a
@ -81984,7 +81991,7 @@ Function118452: ; 118452
ld [$ffc9], a
ld [$ffe9], a
ld [$ff9e], a
call Function2ff7
call NormalSpeed
xor a
ld [rIF], a
ld a, [$cd32]