ase2msx ; Creates sprite data for libmsx/MSX2 from aseprite file.

LICENSE

Copyright (c) 2025 Daishi Mori (mori0091)

This software is released under the MIT License.

GitHub libmsx project
https://github.com/mori0091/libmsx

Requirements

• Python (https://www.python.org/)
• aseprite (https://www.aseprite.org/) ; Animated Sprite Editor & Pixel Art Tool

Install

pip install git+https://github.com/mori0091/ase2msx

Usage

ase2msx A.ase

Creates sprite data for libmsx/MSX2 from aseprite file A.ase.

The following files will be generated:

• aseprite's meta-data : A.json (exported by aseprite)
• aseprite's sprite sheet : A.png (exported by aseprite)
• C header file for libmsx : A.h
• C source file for libmsx : A.c
• spritte data for libmsx : A.sm2

The sprite must be

• Multiple of 16x16 pixels
• IndexColor w/ up to 16 colors
• color code #0 is transparent

See also libmsx project on GitHub for more detail.

• GitHub libmsx project
• TUTORIAL : SM2 (Sprite Mode 2) - Animated Color Sprites