This file is part of www nand2tetris org and the book The Elements of

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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/max/Max.asm
// Computes R2 = max(R0, R1) (R0,R1,R2 refer to RAM[0],RAM[1],RAM[2])
@R0
D=M // D = first number
@R1
D=D-M // D = first number - second number
@OUTPUT_FIRST
D;JGT // if D>0 (first is greater) goto output_first
@R1
D=M // D = second number
@OUTPUT_D
0;JMP // goto output_d
(OUTPUT_FIRST)
@R0
D=M // D = first number
(OUTPUT_D)
@R2
M=D // M[2] = D (greatest number)
(INFINITE_LOOP)
@INFINITE_LOOP
0;JMP // infinite loop