Project7

.vscode/launch.json

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+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Python Debugger: Current File",
+            "type": "debugpy",
+            "request": "launch",
+            "program": "${file}",
+            "console": "integratedTerminal",
+            "cwd": "${workspaceFolder}\\nand2tetris\\projects\\7\\VMTranslator",
+            "env": {
+                "PYTHONPATH": "${workspaceFolder}\\nand2tetris\\projects\\7\\VMTranslator"
+            }
+        },
+        {
+            "name": "Python Debugger: Python File",
+            "type": "debugpy",
+            "request": "launch",
+            "program": "${file}"
+        }
+    ]
+}

nand2tetris/.gitignore

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+tools/*

nand2tetris/projects/7/MemoryAccess/.gitignore

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+*.asm
+*.out

nand2tetris/projects/7/Mytests/popLocal.asm

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+// push constant 10
+@10
+D = A
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// pop local 2
+@2
+D = A
+@LCL
+D = D + A
+@SP
+M = M - 1
+@R13
+M = D
+@SP
+A = M
+D = M
+@R13
+A = M
+M = D

nand2tetris/projects/7/Mytests/popLocal.tst

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+
+load popLocal.asm,
+
+set RAM[0] 256,   // initializes the stack pointer
+
+repeat 450 {      // enough cycles to complete the execution
+  ticktock;
+}
+
+// Outputs the value at the stack's base, THIS, THAT, and
+// some values from the the this and that segments
+output-list RAM[256]%D1.6.1 RAM[3]%D1.6.1 
+            RAM[4]%D1.6.1 RAM[3032]%D1.6.1 RAM[3046]%D1.6.1;
+output;

nand2tetris/projects/7/Mytests/popLocal.vm

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+push constant 10
+pop local 2

nand2tetris/projects/7/Mytests/popLocalVME.tst

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+load popLocal.vm,
+
+set sp 256,        // stack pointer
+set local 300,     // base address of the local segment
+set argument 400,  // base address of the argument segment
+set this 3000,     // base address of the this segment
+set that 3010,     // base address of the that segment
+
+repeat 2 {        
+  vmstep;
+}

nand2tetris/projects/7/Mytests/testPointer.asm

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+// push constant 3000
+@3000
+D = A
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// pop pointer 0
+@THIS
+D = A
+@SP
+M = M - 1
+@R13
+M = D
+@SP
+A = M
+D = M
+@R13
+A = M
+M = D
+// push constant 5
+@5
+D = A
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// push pointer 0
+@THIS
+D = M
+@SP
+A = M
+M = D
+@SP
+M = M + 1

nand2tetris/projects/7/Mytests/testPointer.tst

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+
+load testPointer.asm,
+
+set RAM[0] 256,   // initializes the stack pointer
+
+repeat 450 {      // enough cycles to complete the execution
+  ticktock;
+}

nand2tetris/projects/7/Mytests/testPointer.vm

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+push constant 3000
+pop pointer 0
+push constant 5
+push pointer 0

nand2tetris/projects/7/Mytests/testPointerVME.tst

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+load testPointer.vm,
+
+set sp 256,        // stack pointer
+set local 300,     // base address of the local segment
+set argument 400,  // base address of the argument segment
+set this 3000,     // base address of the this segment
+set that 3010,     // base address of the that segment
+
+repeat 6 {        
+  vmstep;
+}

nand2tetris/projects/7/Mytests/testPush.asm

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+// push constant 2
+@2
+D = A
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// push local 3
+@3
+D = A
+@LCL
+A = D + A
+D = M
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// push argument 4
+@4
+D = A
+@ARG
+A = D + A
+D = M
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// push this 0
+@0
+D = A
+@THIS
+A = D + A
+D = M
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// push that 0
+@0
+D = A
+@THAT
+A = D + A
+D = M
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// push pointer 0
+@0
+D = A
+@None
+A = D + A
+D = M
+@SP
+A = M
+M = D
+@SP
+M = M + 1
+// push static 5
+@testPush.5
+D = A
+@SP
+A = M
+M = D
+@SP
+M = M + 1

nand2tetris/projects/7/Mytests/testPush.vm

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+
+
+push constant 2
+push local 3
+push argument 4
+push this 0
+push that 0
+push pointer 0
+push static 5

nand2tetris/projects/7/Mytests/testPushVME.tst

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+load testPush.vm,
+
+set sp 256,        // stack pointer
+set local 300,     // base address of the local segment
+set argument 400,  // base address of the argument segment
+set this 3000,     // base address of the this segment
+set that 3010,     // base address of the that segment
+
+repeat 7 {        // testPush.vm has 25 VM commands
+  vmstep;
+}

nand2tetris/projects/7/Mytests/testStatic.vm

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+// Testing static
+
+push static 5
+push static 6
+
+add

nand2tetris/projects/7/StackArithmetic/.gitignore

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+*.asm
+*.out

nand2tetris/projects/7/StackArithmetic/SimpleAdd/SimpleAdd - Kopi.vm

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+// 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/7/StackArithmetic/SimpleAdd/SimpleAdd.vm
+
+// Pushes and adds two constants.
+
+push constant 7
+puhhh constant 8
+add

nand2tetris/projects/7/VMTranslator/.gitignore

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+## https://stackoverflow.com/questions/3719243/best-practices-for-adding-gitignore-file-for-python-projects
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]

nand2tetris/projects/7/VMTranslator/VMTranslator.py

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+## How the program is supposed to be run:
+# https://www.coursera.org/learn/nand2tetris2/lecture/qmJl3/unit-1-8-vm-translator-proposed-implementation
+
+
+#### ---- import ----
+# https://stackoverflow.com/a/37867717/3560695
+
+import re
+import sys
+
+## Import parser
+## We have to use import_module since the path contains an illegal directory name (7). 
+# parser_module = importlib.import_module("src.parser.parser")
+import src.parser.parser as p
+
+# writer_module = importlib.import_module("src.codewriter.codewriter")
+import src.codewriter.codewriter as cw
+
+
+#### ---- main ----
+
+#def main():
+
+
+def main(filename = None):
+    print("VMTranslator start ...")
+    if filename is None:
+        # Check if the correct number of command-line arguments are provided
+        if len(sys.argv) != 2:
+            print("Usage: py VMTranslator.py <filename>")
+            return
+        filename = sys.argv[1]
+
+    ## https://regex101.com/r/x0v99o/3
+    ## https://stackoverflow.com/a/59696768/3560695
+    regex = r'^(?P<path>.*[\\\/])?(?P<name>\.*.*?)(?P<extension>\.[^.]+?|)$'
+
+    filename_write = re.sub(regex, r"\1\2.asm", filename)
+
+
+    Parser = p.parser
+    codewriter = cw.codewriter
+
+    with open(filename, 'r') as file, open(filename_write, "w") as file_write:
+        parser = Parser(file)
+        writer = codewriter(file_write)
+
+        lines = None
+
+        while parser.hasMoreCommands(): ## As long as file has more lines, do:
+            parser.advance()            ## Go to the next line in the file.
+            parser.getinstruction()
+            if not parser.instruction:  ## If instruction is blank, skip. Line consisted only of a comment. 
+                continue
+            parser.getVMinstruction()   ## sets parser.VMinstruction to current instruction
+
+            # print(f"---- Line {parser.lineNo} ----")
+            # print(f"instruction = {parser.instruction}")
+            # print(f"commandType() = {parser.commandType()}, type = {type(parser.commandType())}")
+            # print(f"arg1() = {parser.arg1()}")
+            # print(f"arg2() = {parser.arg2()}")
+
+
+            commandType = parser.commandType()
+            if parser.commandType() == "C_ARITHMETIC":
+                # Write arithmetic from arithmetic.asm
+                arg1 = parser.arg1()
+                lines = writer.writeArithmetic(arg1)
+
+            elif parser.commandType() in ["C_PUSH", "C_POP"]:
+                arg1 = parser.arg1()
+                arg2 = parser.arg2()
+                lines = writer.writePushPop(commandType, arg1, arg2, filename = filename)
+            else:
+                ...
+
+            ## lines is now the full .asm script. Write to output asm file.
+            file_write.write(f'// {parser.instruction}\n')
+            for line in lines:
+                file_write.write(f'{line}\n')
+    print("VMTranslator finished!")
+
+
+
+
+
+import importlib
+
+# ## Testing
+# filename = '.../StackArithmetic/SimpleAdd/SimpleAdd.vm'
+# filename = '.../StackArithmetic/Stacktest/Stacktest.vm'
+# filename = '.../StackArithmetic/Stacktest/Stacktest.vm'
+
+# importlib.reload(p)
+# importlib.reload(cw)
+
+# main(filename[1:])
+
+if __name__ == "__main__":
+    main()
+
+
+
+
+
+
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+

nand2tetris/projects/7/VMTranslator/__init__.py

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+__package__ = ''