diff options
| author | Yuchen Pei <me@ypei.me> | 2018-01-20 15:41:49 +0100 |
|---|---|---|
| committer | Yuchen Pei <me@ypei.me> | 2018-01-20 15:41:49 +0100 |
| commit | d3a0cc3a8ba6dfeb64d3faeffdeb6845b60e5840 (patch) | |
| tree | d58df9ec2480e2a9ec6240f9c797f83d1a0b1056 /asms/Mult.asm | |
| parent | 3571f998b28fbc8d9250ba04c983935f10a16c15 (diff) | |
rearranged the dir for github
- removed tools and pdfs
- rearranged the projects dirs
- added md files
- other minor changes
Diffstat (limited to 'asms/Mult.asm')
| -rw-r--r-- | asms/Mult.asm | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/asms/Mult.asm b/asms/Mult.asm new file mode 100644 index 0000000..50bbba0 --- /dev/null +++ b/asms/Mult.asm @@ -0,0 +1,33 @@ +// 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/04/Mult.asm
+
+// Multiplies R0 and R1 and stores the result in R2.
+// (R0, R1, R2 refer to RAM[0], RAM[1], and RAM[2], respectively.)
+
+// Put your code here.
+
+@i
+M=0
+@R2
+M=0
+
+(LOOP)
+@i
+M=M+1
+D=M
+@R0
+D=D-M
+@END
+D;JGT
+@R1
+D=M
+@R2
+M=M+D
+@LOOP
+0;JMP
+
+(END)
+@END
+0;JMP
|