C64

PyCo C64 Implementation

This directory contains documentation for the Commodore 64 (6502) backend of the PyCo compiler.

Documentation

Compiler Reference

Complete reference for the C64 backend:

• c64_compiler_reference_en.md

Covers: memory layout, zero page usage, decorators, IRQ handling, runtime behavior.

Code Generator Internals

Internal design documentation for compiler developers:

• codegen_internals_en.md

Covers: calling conventions, stack frame layout, expression evaluation, name mangling.

Module System

Dynamic module loading for memory-efficient programs:

• module_system_en.md

Covers: .PYCOM file format, marker-byte relocation, static vs dynamic imports.

VICE Debugger Integration

Documentation for debugger development:

• vice/

Covers: binary monitor protocol, debug adapter design, reference implementations.