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 /projects/12/SysTest/Sys.jack | |
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 'projects/12/SysTest/Sys.jack')
-rw-r--r-- | projects/12/SysTest/Sys.jack | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/projects/12/SysTest/Sys.jack b/projects/12/SysTest/Sys.jack deleted file mode 100644 index 53c078c..0000000 --- a/projects/12/SysTest/Sys.jack +++ /dev/null @@ -1,51 +0,0 @@ -// 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/12/Sys.jack
-
-/**
- * A library that supports various program execution services.
- */
-class Sys {
-
- /** Performs all the initializations required by the OS. */
- function void init() {
- do Keyboard.init();
- do Math.init();
- do Memory.init();
- do Output.init();
- do Screen.init();
- do Main.main();
- do Sys.halt();
- return;
- }
-
- /** Halts the program execution. */
- function void halt() {
- while (true){
- }
- return;
- }
-
- /** Waits approximately duration milliseconds and returns. */
- function void wait(int duration) {
- var int i, j;
- let i = 0;
- while (i < duration){
- let i = i + 1;
- let j = 0;
- while (j < 318){
- let j = j + 1;
- }
- }
- return;
- }
-
- /** Displays the given error code in the form "ERR<errorCode>",
- * and halts the program's execution. */
- function void error(int errorCode) {
- do Output.printString("ERR");
- do Output.printInt(errorCode);
- return;
- }
-}
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