diff options
| author | Frederick Yin <fkfd@fkfd.me> | 2022-08-21 22:08:53 +0800 |
|---|---|---|
| committer | Frederick Yin <fkfd@fkfd.me> | 2022-08-21 22:08:53 +0800 |
| commit | 6b9d8f151cc04a0590a7fed80ae5b8eb3928952a (patch) | |
| tree | d1aa6304c866ee761fbb7109ef0c2494bec45636 /projects/hack-as/test/conventional.asm | |
| parent | dcb924797d68f8de0755471b679d9256516360a9 (diff) | |
Move hack-as up one directory
Diffstat (limited to 'projects/hack-as/test/conventional.asm')
| -rw-r--r-- | projects/hack-as/test/conventional.asm | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/projects/hack-as/test/conventional.asm b/projects/hack-as/test/conventional.asm new file mode 100644 index 0000000..5510424 --- /dev/null +++ b/projects/hack-as/test/conventional.asm @@ -0,0 +1,32 @@ +// conventional asm a sane person would write
+// draw a rectangle on top left of screen
+// width 16px, height specified in RAM[0]
+@0
+D=M
+@INFINITE_LOOP
+D;JLE // reject if height is negative
+@counter
+M=D
+@SCREEN
+D=A
+@address
+M=D
+(LOOP)
+ @address
+ A=M
+ M=-1
+ @address
+ D=M
+ @32
+ D=D+A
+ @address
+ M=D
+ @counter
+ MD=M-1
+ @LOOP
+ D;JGT
+
+(INFINITE_LOOP)
+ @INFINITE_LOOP
+ 0;JMP
+
|