The Amiga just got one step closer to running a proper version of StarCraft

StarCraft was never made for the Amiga. Nearly three decades after Blizzard released it for PC, though, AmiSC is getting the classic real-time strategy game running directly on 68K Amiga hardware. AmiSC is a native AmigaOS 3.x project, compiled for Motorola 68K processors and designed to run the game engine directly on compatible Amiga systems. The latest alpha, can already play complete skirmish matches against computer-controlled opponents. You can collect resources, build a base, train units, fight the enemy and eventually win or lose the match. It’s still an alpha, so plenty is missing. But there’s enough working now to show that this has moved well beyond the proof of concept stage.

Native 68K StarCraft without PC emulation

The most interesting part of AmiSC is how it runs. The engine uses integer arithmetic throughout, which means you don’t need an FPU. AmigaOS 3.0 is the minimum operating system, and the program can technically start on a 68020 processor. That doesn’t mean you’ll want to play it on one.

StarCraft asks quite a lot from the CPU, particularly once maps fill with units and buildings. For an AGA machine, a 68060 is recommended. Systems using RTG graphics can get away with a fast 68040 at the lower end, although a 68060 makes much more sense.

AmiSC supports both AGA and RTG through Picasso96. Players can choose between 640 × 480 and 320 × 240 display modes. That second option matters. Dropping to 320 × 240 means the Amiga has fewer pixels to handle every frame, which can make a noticeable difference on slower processors. There’s also a universal executable that detects available graphics hardware and lets you choose a suitable display mode from the start menu.

What actually works in AmiSC 0.2.1?

Quite a lot of the basic StarCraft structure is already there. All three races are playable. You get Terrans, Zerg and Protoss, along with fog of war, a working minimap, unit abilities, production queues, command-card controls, several game-speed settings and proper victory and defeat conditions.

Version 0.2.0 added several interface improvements that make the game easier to follow. Command buttons now show costs, research and upgrades display progress, actions can be cancelled and the game gives clearer feedback when an order can’t be carried out. Version 0.2.1 focuses mainly on the minimap.

Large maps above 128 tiles previously created a minimap that was too big and could spill into the main game area. The latest release scales those maps correctly. That fixes the problem across 14 of the 45 standard maps affected by the issue. There are still some obvious gaps.

Computer-controlled players can build and defend their bases, but they don’t yet launch convincing attacks. That makes skirmishes much easier than normal StarCraft. Units can also occasionally move across terrain they shouldn’t be able to cross. Sound isn’t implemented yet either.

The campaign, mission briefings and multiplayer are also missing, so AmiSC isn’t trying to pass itself off as a complete StarCraft replacement at this stage. Right now, it’s best viewed as a working skirmish version of the game running natively on AmigaOS.

You’ll still need the original StarCraft data

AmiSC doesn’t ship with Blizzard’s artwork, maps or other commercial game assets. You’ll need to provide the required files from your own StarCraft installation. Older PC releases up to version 1.16.1 can supply the data directly. The newer free release uses a different archive format, so its files need to be converted using the supplied PC-side tool before AmiSC can use them.

Storage requirements depend on which version you’re working from. The project documentation puts the required game data at roughly 250 MB to 620 MB. The engine also needs around 20 MB of memory for sprite graphics. Maps are handled separately and use the familiar SCM and SCX formats from StarCraft.

Why StarCraft still makes for an interesting technical target

Blizzard released StarCraft in 1998, and its three races remain the centre of the game. Terrans rely on adaptable machinery and conventional production. Zerg build around biological units and rapid expansion. Protoss use more expensive units backed by powerful technology. Each faction approaches resource gathering, base construction and combat differently, which is a big part of why matches don’t simply feel like three versions of the same army.

The Brood War expansion arrived later that year, adding more units, campaigns and balance changes. Running that style of strategy game on an Amiga isn’t a small job. StarCraft was built around the expectations of late-1990s PCs, with considerably more processing power and memory than a typical classic Amiga offered.

AmiSC deals with that gap directly rather than pretending it isn’t there. Lower-resolution graphics can reduce the workload. RTG support helps on expanded systems. Faster 68K processors give the simulation more breathing room. The result isn’t finished yet, and version 0.2.1 makes that clear. There’s no sound, no campaign, no multiplayer and the computer AI still needs work.

But the core idea now works. StarCraft can run as a native AmigaOS 3 application on fast 68K hardware, with real skirmish gameplay rather than a simple demo screen. For a project that’s still labelled alpha, that’s already a fairly substantial milestone.

Spread the love