Miscellaneous cleanup noted in #709

engine/gfx/color.asm

@@ -277,13 +277,13 @@ Unreferenced_Function8bec:
 	ldh a, [hCGB]
 	and a
 	jr nz, .cgb
-	ld hl, wPlayerLightScreenCount
+	ld hl, wBetaPokerSGBPals
 	jp PushSGBPals
 
 .cgb
-	ld a, [wEnemyLightScreenCount] ; col
+	ld a, [wBetaPokerSGBCol]
 	ld c, a
-	ld a, [wEnemyReflectCount] ; row
+	ld a, [wBetaPokerSGBRow]
 	hlcoord 0, 0, wAttrmap
 	ld de, SCREEN_WIDTH
 .loop
@@ -294,10 +294,10 @@ Unreferenced_Function8bec:
 	jr .loop
 
 .done
-	ld b, $0
+	ld b, 0
 	add hl, bc
 	lb bc, 6, 4
-	ld a, [wEnemySafeguardCount] ; value
+	ld a, [wBetaPokerSGBAttr]
 	and $3
 	call FillBoxCGB
 	call CopyTilemapAtOnce

engine/gfx/dma_transfer.asm

@@ -450,7 +450,7 @@ PadMapForHDMATransfer:
 	ldh [hMapObjectIndexBuffer], a
 	ret
 
-_Get2bpp::
+HDMATransfer2bpp::
 	; 2bpp when [rLCDC] & $80
 	; switch to WRAM bank 6
 	ldh a, [rSVBK]
@@ -494,7 +494,7 @@ _Get2bpp::
 	ldh [rSVBK], a
 	ret
 
-_Get1bpp::
+HDMATransfer1bpp::
 	; 1bpp when [rLCDC] & $80
 .loop
 	ld a, c

engine/gfx/sgb_layouts.asm

@@ -333,7 +333,7 @@ endr
 
 .SGB_BetaPoker:
 	ld hl, BlkPacket_9a86
-	ld de, wPlayerLightScreenCount ; ???
+	ld de, wBetaPokerSGBPals
 	ld bc, PALPACKET_LENGTH
 	call CopyBytes
 	ld hl, PalPacket_BetaPoker