Introduction

This application allows the creation of various asset types (graphics, sound/music, levels) for retro game platforms (currently Amstrad CPC, ZX Spectrum and Commodore 64). It is a cross development tool in that it will run on a PC and produce output to be consumed by a compiler (such as WinAPE for the PC or MAXAM on the CPC).

It is free and open source. It is also a work in progress so some features may be incomplete and/or buggy.

This application is an evolution of the AMSprite program, which will no longer be developed as all its features have been moved to RGAS.

Features

• Uses a common editor for all target platforms.
• View sprite animation preview at any frame rate
• Edit hardware sprites for CPCPlus, with custom palette
• Export to multiple languages per platform. (e.g. 3 targets are supported for CPC: MAXAM assembler, C, and Basic).
• Import any image file and convert to bitmap with fine control over brightness, contrast and dithering. Includes palette optimisation.
• Import any video file and generate an assembly program to replicate (CPC only).
• Export a blank image with indexed amstrad palette for editing in external paint program. Can be reimported.
• Includes a full test program to see your sprites in action (CPC only).
• Includes a basic level editor
• Includes a basic sound effects / music tracker (CPC only).
• Cross Platform, run under Windows or Mac/Linux via MONO runtime (excludes video import for CPC).
• Runs under Windows RT with jailbreak applied.
• Edit multiple sprites simultaneously in a grid (custom grid columns, any combination of sprites).
• Onion skinning in sprite editor of either other sprites or any image file.
• Editor supports standard bitmap editing conventions such as Ctrl+Mouse wheel for zoom etc.
• Handles attribute blocks for Spectrum/C64 bitmaps.
• Sprite rotation.

Downloads

The most recent release of RGAS is included with the CPCTelera development suite and can be downloaded here. The below linked downloads are not guaranteed to be the most recent version!

Mono/Wine/Windows standalone portable executable: RGAS.zip 0.100 (Requires .Net Framework 3.5)

Project

If you have any bugs or feedback, or you'd like to contribute (and know .Net reasonably well), please contact me, lachlankeown @t gmail or Facebook.

CPC Wiki forum discussion here.