;license:MIT
;(c) 2019-2022 by 4am
;

!ifndef _FX_MACROS_DITHER_ {

!macro BUILD_DITHER_MASKS .dithermasks {
         ldy   #40
-        lda   #%10110011
         sta   .dithermasks, y
         lda   #%11100110
         sta   .dithermasks+1, y
         lda   #%11001100
         sta   .dithermasks+2, y
         lda   #%10011001
         sta   .dithermasks+3, y
         dey
         dey
         dey
         dey
         bpl   -
         ldy   #39
         lda   #$FF
-        sta   .dithermasks+44, y
         dey
         bpl   -
}

!macro BUILD_DITHER_MASKS_DHGR .dithermasks {
         ldy   #40
-        lda   #%10011110
         sta   .dithermasks, y
         lda   #%11111000
         sta   .dithermasks+1, y
         lda   #%11100001
         sta   .dithermasks+2, y
         lda   #%10000111
         sta   .dithermasks+3, y
         dey
         dey
         dey
         dey
         bpl   -
         ldy   #39
-        lda   #$FF
         sta   .dithermasks+44, y
         dey
         bpl   -
         sta   $C005
         ldy   #40
-        lda   #%10001111
         sta   .dithermasks, y
         lda   #%10111100
         sta   .dithermasks+1, y
         lda   #%11110000
         sta   .dithermasks+2, y
         lda   #%11000011
         sta   .dithermasks+3, y
         dey
         dey
         dey
         dey
         bpl   -
         ldy   #39
-        lda   #$FF
         sta   .dithermasks+44, y
         dey
         bne   -
         sta   $C004
}

_FX_MACROS_DITHER_=*
}