;;; -*- Mode: asm; indent-tabs-mode: t; tab-width: 8 -*-
.include "../pixel/pixel.inc"
;; public args
        radius = ARGVEC + 2
;; private args
        t1    = $E0
        t2    = $E1
        X_rel = radius
        Y_rel = $E3
        temp = $E4
        temp_ = $E7
        btp_mem_pos_center = $E5 ;; 16bit <fix>
        btp_mem_pos_inv = $EE    ;; 16bit <fix>