Fix palette constant and a few comments

Author: Sha0den

src/home/palettes.asm

@@ -79,21 +79,21 @@ FlushPalettesIfRequested::
 
 FlushAllCGBPalettes::
 	; flush 8 BGP palettes
-	xor a
+	xor a ; start with BGP0 (wBackgroundPalettesCGB)
 	ld b, 8 palettes
 	call CopyCGBPalettes
 	; flush 8 OBP palettes
-	ld a, PAL_SIZE
+	ld a, NUM_BACKGROUND_PALETTES ; skip all background palettes and start with OBP0 (wObjectPalettesCGB)
 	ld b, 8 palettes
 	call CopyCGBPalettes
 	jr FlushPalettesIfRequested.done
 
 ; copy b bytes of CGB palette data starting at
 ; (wBackgroundPalettesCGB + a palettes) into rBGPD or rOBPD.
 CopyCGBPalettes::
-	add a
-	add a
-	add a
+	add a ; *2
+	add a ; *4
+	add a ; *8 (PAL_SIZE)
 	ld e, a
 	ld d, $0
 	ld hl, wBackgroundPalettesCGB