2
; Rectangle, Intervals and Points
7
; Determine if 8-bit (x,y) point lies in an 8-bit bounding
8
; rectangle. Rectangle bounds wrap across 0-255 boundaries.
10
; enter : a = x coordinate of point
11
; l = y coordinate of point
12
; b = x coordinate of rect
14
; d = y coordinate of rect
16
; exit : carry flag set = in rectangle