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31 lines
525 B
NASM
31 lines
525 B
NASM
// This file is part of www.nand2tetris.org
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// and the book "The Elements of Computing Systems"
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// by Nisan and Schocken, MIT Press.
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// File name: projects/6/max/Max.asm
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// Computes R2 = max(R0, R1) (R0,R1,R2 refer to RAM[0],RAM[1],RAM[2])
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// Usage: Before executing, put two values in R0 and R1.
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// D = R0 - R1
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@R0
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D=M
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@R1
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D=D-M
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// If (D > 0) goto ITSR0
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@ITSR0
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D;JGT
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// Its R1
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@R1
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D=M
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@OUTPUT_D
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0;JMP
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(ITSR0)
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@R0
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D=M
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(OUTPUT_D)
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@R2
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M=D
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(END)
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@END
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0;JMP
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