project06 - add files

06/max/Max.asm

@@ -0,0 +1,30 @@
+// 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/6/max/Max.asm
+
+// Computes R2 = max(R0, R1)  (R0,R1,R2 refer to RAM[0],RAM[1],RAM[2])
+// Usage: Before executing, put two values in R0 and R1.
+
+  // D = R0 - R1
+  @R0
+  D=M
+  @R1
+  D=D-M
+  // If (D > 0) goto ITSR0
+  @ITSR0
+  D;JGT
+  // Its R1
+  @R1
+  D=M
+  @OUTPUT_D
+  0;JMP
+(ITSR0)
+  @R0
+  D=M
+(OUTPUT_D)
+  @R2
+  M=D
+(END)
+  @END
+  0;JMP

06/max/MaxL.asm

@@ -0,0 +1,24 @@
+// 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/6/max/MaxL.asm
+
+// Symbol-less version of the Max.asm program.
+// Designed for testing the basic version of the assembler.
+
+@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