Bytecode VM, dynamic number package, and R7RS compliant Scheme implementation.
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Add Bool and Char addressing modes
This commit adds addressing modes for boolean and character data.
The Address enum is extended, along with its TryFrom<u8> implementation
and its operand_size function. The access macro is extended to handle
the new modes. The CONST instruction can now create Char and Bool data.
The instructions.toml has information on the new addressing modes. Unit
tests have been added to test new CONST logic.

fixes: #41

Signed-off-by: Ava Affine <ava@sunnypup.io>
2025-08-09 04:48:00 +00:00
.forgejo/workflows Early ISA Unit tests 2025-08-07 21:25:14 +00:00
decomposer normalize edition to 2024 2025-07-24 19:28:25 +00:00
hyphae Add Bool and Char addressing modes 2025-08-09 04:48:00 +00:00
mycelium HyphaeVM Garbage Collection 2025-07-25 22:27:51 -07:00
organelle HyphaeVM Garbage Collection 2025-07-25 22:27:51 -07:00
snippets HyphaeVM - WIP 2025-07-24 19:26:31 +00:00
.gitignore Lexer and S-Expression data types 2025-05-07 09:19:33 -07:00
.gitlab-ci.yml HyphaeVM - WIP 2025-07-24 19:26:31 +00:00
Cargo.lock HyphaeVM Garbage Collection 2025-07-25 22:27:51 -07:00
Cargo.toml Clean up project structure 2025-07-24 19:44:43 +00:00
LICENSE Lexer and S-Expression data types 2025-05-07 09:19:33 -07:00
readme.md Readme and early CI 2025-05-21 15:10:44 -07:00

Mycelium

Mycelium aims to provide an efficient compiled to intermediate bytecode implementation of R7RS Scheme as well as a virtual machine that will execute such bytecode.

Two major use cases are at the forefront of mind when designing and implementing this project: a POSIX shell interpreter as well as a compiled to bytecode language for running on ESP32 devices.

Current Status

Currently the lexer and parser are implemented. On an X86 machine equipped with 64GB RAM and an AMD Ryzen 7900 CPU this lexer and parser are capable of creating a fully validated abstract syntax tree from approximately 11200 lines of handwritten scheme in about 55 milliseconds on average.

Currently the bytecode VM and its instruction set are next to implement.