Sharp LH5801

Sharp LH5801

Sharp LH5801 8-bit Microprocessor emulator written in Dart.

This package is part of an ongoing project of writing a Sharp PC-1500 emulator with Dart/Flutter.

Features

• Emulator — cycle-accurate LH5801 CPU emulation.
• Assembler — assemble LH5801 source files into binary.
• Disassembler — disassemble binary back to LH5801 mnemonics.
• CLI tool — command-line interface for assembling and disassembling files.

Requirements

Dart SDK >=3.10.0 <4.0.0

Installation

Add lh5801 as a dependency in your pubspec.yaml:

dependencies:
  lh5801:
    git:
      url: https://github.com/cbonello/lh5801.git

Then run:

$ dart pub get

Usage

See example/ folder for a complete example that inverts the LCD screen of a Sharp PC-1500.

$ dart run example/main.dart

CLI

The package includes a command-line tool for assembling and disassembling files.

# Assemble a source file
$ dart run lh5801 asm input.asm -o output.bin

# Disassemble a binary file
$ dart run lh5801 dasm input.bin

# Set a custom origin address
$ dart run lh5801 dasm input.bin --origin 4000

Testing

$ dart test
00:03 +474: All tests passed!

Features and bugs

Please file feature requests and bugs at the issue tracker.