pokecrystal-board/home/fade.asm

; Functions to fade the screen in and out.

Unreferenced_Function48c::
; TimeOfDayFade
	ld a, [wTimeOfDayPal]
	ld b, a
	ld hl, IncGradGBPalTable_11
	ld a, l
	sub b
	ld l, a
	jr nc, .okay
	dec h

.okay
	ld a, [hli]
	ldh [rBGP], a
	ld a, [hli]
	ldh [rOBP0], a
	ld a, [hli]
	ldh [rOBP1], a
	ret

RotateFourPalettesRight::
	ldh a, [hCGB]
	and a
	jr z, .dmg
	ld hl, IncGradGBPalTable_00
	ld b, 4
	jr RotatePalettesRight

.dmg
	ld hl, IncGradGBPalTable_08
	ld b, 4
	jr RotatePalettesRight

RotateThreePalettesRight::
	ldh a, [hCGB]
	and a
	jr z, .dmg
	ld hl, IncGradGBPalTable_05
	ld b, 3
	jr RotatePalettesRight

.dmg
	ld hl, IncGradGBPalTable_13
	ld b, 3
RotatePalettesRight::
; Rotate palettes to the right and fill with loaded colors from the left
; If we're already at the leftmost color, fill with the leftmost color
	push de
	ld a, [hli]
	call DmgToCgbBGPals
	ld a, [hli]
	ld e, a
	ld a, [hli]
	ld d, a
	call DmgToCgbObjPals
	ld c, 8
	call DelayFrames
	pop de
	dec b
	jr nz, RotatePalettesRight
	ret

RotateFourPalettesLeft::
	ldh a, [hCGB]
	and a
	jr z, .dmg
	ld hl, IncGradGBPalTable_04 - 1
	ld b, 4
	jr RotatePalettesLeft

.dmg
	ld hl, IncGradGBPalTable_12 - 1
	ld b, 4
	jr RotatePalettesLeft

RotateThreePalettesLeft::
	ldh a, [hCGB]
	and a
	jr z, .dmg
	ld hl, IncGradGBPalTable_07 - 1
	ld b, 3
	jr RotatePalettesLeft

.dmg
	ld hl, IncGradGBPalTable_15 - 1
	ld b, 3
RotatePalettesLeft::
; Rotate palettes to the left and fill with loaded colors from the right
; If we're already at the rightmost color, fill with the rightmost color
	push de
	ld a, [hld]
	ld d, a
	ld a, [hld]
	ld e, a
	call DmgToCgbObjPals
	ld a, [hld]
	call DmgToCgbBGPals
	ld c, 8
	call DelayFrames
	pop de
	dec b
	jr nz, RotatePalettesLeft
	ret

IncGradGBPalTable_00:: db %11111111, %11111111, %11111111
IncGradGBPalTable_01:: db %11111110, %11111110, %11111110
IncGradGBPalTable_02:: db %11111001, %11111001, %11111001
IncGradGBPalTable_03:: db %11100100, %11100100, %11100100

IncGradGBPalTable_04:: db %11100100, %11100100, %11100100
IncGradGBPalTable_05:: db %10010000, %10010000, %10010000
IncGradGBPalTable_06:: db %01000000, %01000000, %01000000

IncGradGBPalTable_07:: db %00000000, %00000000, %00000000
;                           bgp       obp1       obp2
IncGradGBPalTable_08:: db %11111111, %11111111, %11111111
IncGradGBPalTable_09:: db %11111110, %11111110, %11111000
IncGradGBPalTable_10:: db %11111001, %11100100, %11100100
IncGradGBPalTable_11:: db %11100100, %11010000, %11100000

IncGradGBPalTable_12:: db %11100100, %11010000, %11100000
IncGradGBPalTable_13:: db %10010000, %10000000, %10010000
IncGradGBPalTable_14:: db %01000000, %01000000, %01000000

IncGradGBPalTable_15:: db %00000000, %00000000, %00000000
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`; Functions to fade the screen in and out.`

Remove all address comments 2018-06-24 07:09:41 -07:00			`Unreferenced_Function48c::`
Labeled every function in ROM0 that's referenced in the source 2016-05-10 09:31:49 -07:00			`; TimeOfDayFade`
Prefix wram labels with w, part 2. 2018-01-23 14:39:09 -08:00			`ld a, [wTimeOfDayPal]`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld b, a`
			`ld hl, IncGradGBPalTable_11`
			`ld a, l`
			`sub b`
			`ld l, a`
bgcoord 2015-11-20 08:47:52 -08:00			`jr nc, .okay`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`dec h`

bgcoord 2015-11-20 08:47:52 -08:00			`.okay`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld a, [hli]`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 11:28:22 -07:00			`ldh [rBGP], a`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld a, [hli]`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 11:28:22 -07:00			`ldh [rOBP0], a`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld a, [hli]`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 11:28:22 -07:00			`ldh [rOBP1], a`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ret`

Remove all address comments 2018-06-24 07:09:41 -07:00			`RotateFourPalettesRight::`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 11:28:22 -07:00			`ldh a, [hCGB]`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`and a`
bgcoord 2015-11-20 08:47:52 -08:00			`jr z, .dmg`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld hl, IncGradGBPalTable_00`
			`ld b, 4`
bgcoord 2015-11-20 08:47:52 -08:00			`jr RotatePalettesRight`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00
bgcoord 2015-11-20 08:47:52 -08:00			`.dmg`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld hl, IncGradGBPalTable_08`
			`ld b, 4`
bgcoord 2015-11-20 08:47:52 -08:00			`jr RotatePalettesRight`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00
Remove all address comments 2018-06-24 07:09:41 -07:00			`RotateThreePalettesRight::`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 11:28:22 -07:00			`ldh a, [hCGB]`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`and a`
bgcoord 2015-11-20 08:47:52 -08:00			`jr z, .dmg`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld hl, IncGradGBPalTable_05`
			`ld b, 3`
bgcoord 2015-11-20 08:47:52 -08:00			`jr RotatePalettesRight`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00
bgcoord 2015-11-20 08:47:52 -08:00			`.dmg`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld hl, IncGradGBPalTable_13`
			`ld b, 3`
Remove all address comments 2018-06-24 07:09:41 -07:00			`RotatePalettesRight::`
bgcoord 2015-11-20 08:47:52 -08:00			`; Rotate palettes to the right and fill with loaded colors from the left`
			`; If we're already at the leftmost color, fill with the leftmost color`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`push de`
			`ld a, [hli]`
			`call DmgToCgbBGPals`
			`ld a, [hli]`
			`ld e, a`
			`ld a, [hli]`
			`ld d, a`
			`call DmgToCgbObjPals`
			`ld c, 8`
			`call DelayFrames`
			`pop de`
			`dec b`
bgcoord 2015-11-20 08:47:52 -08:00			`jr nz, RotatePalettesRight`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ret`

Remove all address comments 2018-06-24 07:09:41 -07:00			`RotateFourPalettesLeft::`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 11:28:22 -07:00			`ldh a, [hCGB]`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`and a`
bgcoord 2015-11-20 08:47:52 -08:00			`jr z, .dmg`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld hl, IncGradGBPalTable_04 - 1`
			`ld b, 4`
bgcoord 2015-11-20 08:47:52 -08:00			`jr RotatePalettesLeft`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00
bgcoord 2015-11-20 08:47:52 -08:00			`.dmg`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld hl, IncGradGBPalTable_12 - 1`
			`ld b, 4`
bgcoord 2015-11-20 08:47:52 -08:00			`jr RotatePalettesLeft`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00
Remove all address comments 2018-06-24 07:09:41 -07:00			`RotateThreePalettesLeft::`
Use labels instead of constants for HRAM Use explicit ldh instruction to access HRAM locations, don't rely on optimizing ld 2018-08-25 11:28:22 -07:00			`ldh a, [hCGB]`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`and a`
bgcoord 2015-11-20 08:47:52 -08:00			`jr z, .dmg`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld hl, IncGradGBPalTable_07 - 1`
			`ld b, 3`
bgcoord 2015-11-20 08:47:52 -08:00			`jr RotatePalettesLeft`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00
bgcoord 2015-11-20 08:47:52 -08:00			`.dmg`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ld hl, IncGradGBPalTable_15 - 1`
			`ld b, 3`
Remove all address comments 2018-06-24 07:09:41 -07:00			`RotatePalettesLeft::`
bgcoord 2015-11-20 08:47:52 -08:00			`; Rotate palettes to the left and fill with loaded colors from the right`
			`; If we're already at the rightmost color, fill with the rightmost color`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`push de`
			`ld a, [hld]`
			`ld d, a`
			`ld a, [hld]`
			`ld e, a`
			`call DmgToCgbObjPals`
			`ld a, [hld]`
			`call DmgToCgbBGPals`
			`ld c, 8`
			`call DelayFrames`
			`pop de`
			`dec b`
bgcoord 2015-11-20 08:47:52 -08:00			`jr nz, RotatePalettesLeft`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`ret`

Use :: to export labels between objects. This fixes the build. 2014-02-01 17:26:39 -08:00			`IncGradGBPalTable_00:: db %11111111, %11111111, %11111111`
			`IncGradGBPalTable_01:: db %11111110, %11111110, %11111110`
			`IncGradGBPalTable_02:: db %11111001, %11111001, %11111001`
			`IncGradGBPalTable_03:: db %11100100, %11100100, %11100100`
bgcoord 2015-11-20 08:47:52 -08:00
Use :: to export labels between objects. This fixes the build. 2014-02-01 17:26:39 -08:00			`IncGradGBPalTable_04:: db %11100100, %11100100, %11100100`
			`IncGradGBPalTable_05:: db %10010000, %10010000, %10010000`
			`IncGradGBPalTable_06:: db %01000000, %01000000, %01000000`
bgcoord 2015-11-20 08:47:52 -08:00
Use :: to export labels between objects. This fixes the build. 2014-02-01 17:26:39 -08:00			`IncGradGBPalTable_07:: db %00000000, %00000000, %00000000`
split fading functions out of main.asm 2013-08-29 15:50:59 -07:00			`; bgp obp1 obp2`
Use :: to export labels between objects. This fixes the build. 2014-02-01 17:26:39 -08:00			`IncGradGBPalTable_08:: db %11111111, %11111111, %11111111`
			`IncGradGBPalTable_09:: db %11111110, %11111110, %11111000`
			`IncGradGBPalTable_10:: db %11111001, %11100100, %11100100`
			`IncGradGBPalTable_11:: db %11100100, %11010000, %11100000`
bgcoord 2015-11-20 08:47:52 -08:00
Use :: to export labels between objects. This fixes the build. 2014-02-01 17:26:39 -08:00			`IncGradGBPalTable_12:: db %11100100, %11010000, %11100000`
			`IncGradGBPalTable_13:: db %10010000, %10000000, %10010000`
			`IncGradGBPalTable_14:: db %01000000, %01000000, %01000000`
bgcoord 2015-11-20 08:47:52 -08:00
Use :: to export labels between objects. This fixes the build. 2014-02-01 17:26:39 -08:00			`IncGradGBPalTable_15:: db %00000000, %00000000, %00000000`