Stack virtual mashine, that supports simple stacking operations, implemented in Rebol 2.

For run vm, just clone repo. Rebol 2 must be installed and available in your OS.

git clone [email protected]:KirillTemnov/stack-vm.git
cd stack-vm

For execute code in virtual mashine, you can write code in assembler, or use one of examples.

For launching assembler code, firstly, you must tanslate it to a mashine code by passing filename to translator:

./translator.r samples/sum.asm

If no errors found, translator will put mashine code to console (like #{000002007B02021F039899} for sum.asm example).

Then, you may load this code into vm, by launching Rebol in root project folder and apply these instructions:

do %vm.r
vm: make vitrual-mashine []
vm/run #{000002007B02021F039899}

You can inspect all vm variables after executiong a code. For more verbosity during run code process, set debug flag:

vm: make vitrual-mashine [debug: true]

For now, vm use only integer values, that fit in one word (#{FFFF}). Negative values partially supported.

Each assembly file must contain .code section. Program execution started from first instruction after begining of .code section.

If you plan to store/load variables, provide .data section, before .code. Each line of data section consist of label sw and decimal value. E.g.:

.data
  myVar         sw      10
  mySecondVar   sw      1024

Labels and function names consist of english alphanumeric chars and _. Must be started from any letter.

Empty lines and comments ignored by translator. Comments strated from ; and passed till the end of line.

./run-tests

Don't tried to run tests on windows, please report on fails, if any.

Released under the MIT license.