diff options
| author | Yuchen Pei <me@ypei.me> | 2018-01-15 12:07:13 +0100 |
|---|---|---|
| committer | Yuchen Pei <me@ypei.me> | 2018-01-15 12:07:13 +0100 |
| commit | 09c40f135cb3f69599457a5b278d29bcb38fa6ef (patch) | |
| tree | d92034782bafc958fe1077ba575534d7a7b7f587 /projects/11/ConvertToBin | |
| parent | 459776159903ab583c0791b1599ec4fc47da8f79 (diff) | |
checkpoint
Diffstat (limited to 'projects/11/ConvertToBin')
| -rw-r--r-- | projects/11/ConvertToBin/Main.jack | 2 | ||||
| -rw-r--r-- | projects/11/ConvertToBin/Main.vm | 110 | ||||
| -rw-r--r-- | projects/11/ConvertToBin/setram.tst | 3 |
3 files changed, 115 insertions, 0 deletions
diff --git a/projects/11/ConvertToBin/Main.jack b/projects/11/ConvertToBin/Main.jack index e627486..e1ab941 100644 --- a/projects/11/ConvertToBin/Main.jack +++ b/projects/11/ConvertToBin/Main.jack @@ -26,6 +26,8 @@ class Main { */
function void main() {
var int value;
+ do Memory.poke(8000, 3827);
+ //do Memory.poke(8000, -7);
do Main.fillMemory(8001, 16, -1); // sets RAM[8001]..RAM[8016] to -1
let value = Memory.peek(8000); // reads a value from RAM[8000]
do Main.convert(value); // performs the conversion
diff --git a/projects/11/ConvertToBin/Main.vm b/projects/11/ConvertToBin/Main.vm new file mode 100644 index 0000000..15d63c0 --- /dev/null +++ b/projects/11/ConvertToBin/Main.vm @@ -0,0 +1,110 @@ +function Main.main 1 +push constant 8000 +push constant 3827 +call Memory.poke 2 +pop temp 0 +push constant 8001 +push constant 16 +push constant 1 +neg +call Main.fillMemory 3 +pop temp 0 +push constant 8000 +call Memory.peek 1 +pop local 0 +push local 0 +call Main.convert 1 +pop temp 0 +push constant 0 +return +function Main.convert 3 +push constant 1 +neg +pop local 2 +label convert.While0 +push local 2 +not +if-goto convert.EndWhile0 +push local 1 +push constant 1 +add +pop local 1 +push local 0 +call Main.nextMask 1 +pop local 0 +push local 1 +push constant 16 +gt +not +not +if-goto convert.While0.Else0 +push argument 0 +push local 0 +and +push constant 0 +eq +not +not +if-goto convert.While0.Else0.Else0 +push constant 8000 +push local 1 +add +push constant 1 +call Memory.poke 2 +pop temp 0 +goto convert.While0.Else0.Endif0 +label convert.While0.Else0.Else0 +push constant 8000 +push local 1 +add +push constant 0 +call Memory.poke 2 +pop temp 0 +label convert.While0.Else0.Endif0 +goto convert.While0.Endif0 +label convert.While0.Else0 +push constant 0 +pop local 2 +label convert.While0.Endif0 +goto convert.While0 +label convert.EndWhile0 +push constant 0 +return +function Main.nextMask 0 +push argument 0 +push constant 0 +eq +not +if-goto nextMask.Else0 +push constant 1 +return +goto nextMask.Endif0 +label nextMask.Else0 +push argument 0 +push constant 2 +call Math.multiply 2 +return +label nextMask.Endif0 +function Main.fillMemory 0 +label fillMemory.While0 +push argument 1 +push constant 0 +gt +not +if-goto fillMemory.EndWhile0 +push argument 0 +push argument 2 +call Memory.poke 2 +pop temp 0 +push argument 1 +push constant 1 +sub +pop argument 1 +push argument 0 +push constant 1 +add +pop argument 0 +goto fillMemory.While0 +label fillMemory.EndWhile0 +push constant 0 +return diff --git a/projects/11/ConvertToBin/setram.tst b/projects/11/ConvertToBin/setram.tst new file mode 100644 index 0000000..a33eece --- /dev/null +++ b/projects/11/ConvertToBin/setram.tst @@ -0,0 +1,3 @@ +load Main.vm +set RAM[8000] 1023; +vmstep; |