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// This file is part of www.nand2tetris.org
// and the book "The Elements of Computing Systems"
// by Nisan and Schocken, MIT Press.
// File name: projects/06/rect/Rect.asm
// Draws a rectangle at the top-left corner of the screen.
// The rectangle is 16 pixels wide and R0 pixels high.
@0
D=M
@INFINITE_LOOP
D;JLE
@counter
M=D
@SCREEN
D=A
@address
M=D
(LOOP)
@address
A=M
M=-1
@address
D=M
@32
D=D+A
@address
M=D
@counter
MD=M-1
@LOOP
D;JGT
(INFINITE_LOOP)
@INFINITE_LOOP
0;JMP
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