.

projects/06/max/Max.asm

@@ -0,0 +1,26 @@
+// 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

projects/06/max/Max.hack

@@ -0,0 +1,16 @@
+0000000000000000
+1111110000010000
+0000000000000001
+1111010011010000
+0000000000001010
+1110001100000001
+0000000000000001
+1111110000010000
+0000000000001100
+1110101010000111
+0000000000000000
+1111110000010000
+0000000000000010
+1110001100001000
+0000000000001110
+1110101010000111

projects/06/max/MaxL.asm

@@ -0,0 +1,23 @@
+// 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/MaxL.asm
+
+// Symbol-less version of the Max.asm program.
+
+@0
+D=M
+@1
+D=D-M
+@10
+D;JGT
+@1
+D=M
+@12
+0;JMP
+@0
+D=M
+@2
+M=D
+@14
+0;JMP