;;; -*- Mode: asm; indent-tabs-mode: t; tab-width: 8 -*-
.include "../pixel/pixel.inc"
;; public args
        radius = ARGVEC + 2
        ;; and others from pixel.inc
;; private args
        t1    = $E0
        t2    = $E1
        X_math = radius
        Y_math = $E2
        ;; E9 - EA is used by pixel.inc
        byte_to_paint_qaa = $E8
        byte_to_paint_qcb = $E3
        byte_to_paint_qca = $E4
        byte_to_paint_qdb = $E5

        btp_mem_pos_qaa = btp_mem_pos
        btp_mem_pos_qcb = $E6 ; 16bit value (uses E7)
        btp_mem_pos_qdb = $EB ; 16bit value (uses EC)
        btp_mem_pos_qda = $ED ; 16bit value (uses EE)
        btp_mem_pos_qab = $D0 ; 16bit value (uses D1)
        btp_mem_pos_qca = $D2 ; 16bit value (uses D3)
        btp_mem_pos_qba = $D4 ; 16bit value (uses D5)
        btp_mem_pos_qbb = $D6 ; 16bit value (uses D7)

        Y_qda = $EF
        Y_qdb = $D8
        Y_qbb = $D9
        Y_qaa = $DA
        ;;Reuse addresses, be carful here!
        temp__ = Y_qaa
        temp_ = Y_qda