Amstrad CPC 464
Amstrad CPC 464
During the 1980s entrepeneur Alan Sugar made a foray into the home computer market with the CPC range of 8-bit micro's. But did Sugar sweeten the 8-bit pot?
These machines were produced during the 1980s and early 1990s, with the 'CPC' moniker an abbreviation for 'Colour Personal Computer'. It was possible to purchase a CPC with a green screen monitor (GT64/65) as a cheaper option, the standard colour screen monitor (CTM640/644) was obviously more expensive.
The Amstrad CPC 464 was introduced in 1984, and was designed to be a direct competitor to the Commodore 64 (not the ZX Spectrum as Amstrad had taken over production of those machines). It also indirectly rivalled the Oric 1, Oric Atmos and the Acorn Electron.
Packaged as 'a complete system' the CPC 464 came with its own monitor and built-in cassette tape deck. Like the C64 it sported a sizeable 64KB of RAM.
So let's have a look at an 8-bit machine that managed to find space in a market already dominated by the ZX Spectrum, Commodore 64 and BBC Micro.
Overview of the Amstrad CPC 464
The Amstrad CPC 464 did become a popular machine in the UK, but never managed to break into the upper echelons of computer history brilliance (and arcade gaming) that the ZX Spectrum and Commodore 64 occupied - but to be fair no 8-Bit machine ever did.
It was on a par (in popularity stakes for the home user) with the BBC Micro, and was easily seen as a better choice for buyers than the likes of the Acorn Electron, Dragon 32, Vic 20 (which did not have enough RAM), Commodore 16, Oric 1 and Oric Atmos. By this point in time most people had upgraded from an Acorn Atom, ZX80 or ZX81.
Still, with it's responsive keyboard, built in 'Datacorder' tape deck, a 'large' 64KB of RAM and sound provided by the AY sound chip (popular for arcade gaming in other systems such as the vector games console the Vectrex), it was a formidable entry into the ranks of the 8-Bit generation.
The fact that the machine came with it's own monitor was quite special at the time. Owners felt a certain degree of coolness when compared to those that were using a bog standard portable television - especially those with enough cash to buy a CPC model with a colour screen.
The picture was nice and sharp and of course you had no need to fiddle around with channels and tuning - picture setup was extremely easy.
What does an Amstrad CPC 464 look like?
Amstrad CPC 464 Extras
A large number of programs and peripherals were developed for the machine such as AmsDos, which was Amstrad's Operating System.
AmsDos was completely embedded in the Basic using RSX commands which again offered something over most other 8-bit machines.
Bizzarely it could not be used to format disks though, you actually needed a special application to peform that simple task! Tut, tut.
The 464 also could use CP/M 2.2 or 3.0 when used with an external Floppy disk unit (3" Hitachi, 180 KB / face). A lot of great CP/M software was adapted for the Amstrad CPC.
The snappily sounding Locomotive BASIC installed in the machine was decent, and ran at a reasonable speed being considered generally faster than other versions of BASIC out there at the time.
Roughly 42KB RAM was available for the user, and the video memory and the ROM were mapped on the same addresses with a dedicated chip to switch the memory banks automatically.
It was capable of producing decent graphics, but could not quite match the sprites of the C64 or the detail seen in ZX Spectrum games.
Still, with 27 available colours and the video output generated by the Motorola 6845 (which was connected to a pixel generator that supported 4 bpp, 2 bpp and 1 bpp output (bpp = bits per pixel)), very good in-game graphics could be produced by talented developers.
Three built-in display resolutions were available, though increased screen size could be achieved by reprogramming the 6845.
The screen modes were:
Mode 0: 160×200 pixels with 16 colors (4 bpp)
Mode 1: 320×200 pixels with 4 colors (2 bpp)
Mode 2: 640×200 pixels with 2 colors (1 bpp)
A magazine advert for the Amstrad CPC 464
Harrier Attack on the Amstrad CPC 464
Roland on the Ropes on the Amstrad CPC 464
Jet Set Willy Title Music on the CPC 464
The Classic Manic Miner On The CPC 464
The Amstrad CPC 464 as a games machine
The first Amstrad CPC prototype was named 'Arnold', which gave the name ROLAND (An Arnold acronym) to several CPC classic games (such as Roland On The Ropes).
It was built around a 6502 processor before being changed to a Z80 later on in the computer’s development.
Plenty of games were released for the machine (most of the classic games like Manic Miner, Harrier Attack, Jet Set Willy, Commando, Elite etc) , and it was popular right up until around 1990.
Plenty of arcade games were converted to the Amstrad too. (There would generally be a version of most games for the Spectrum, C64 and Amstrad).
The machine itself was a pretty nice looking unit at the time.
The colour of the keyboard and monitor went together nicely, and the keyboard had that 80's colour scheme to it including red and green within the grey. It had the right look overall; eyecatching, fun, yet still attaining an air of professionalism.
Like all other 8-bit machines the CPC 464 eventually succumbed to the 16-bit machines in the late 80's when the Atari ST and Commodore Amiga reigned supreme (and no other machine at that time could match Amiga Games), but it left a prominent mark in the history of home computers...
Commando on the Amstrad CPC 464
The Ever Playable Bruce Lee On The Amstrad CPC 464
Those Arcade Classics
Plenty of arcade games were converted to the CPC 464.
All of the usual titles were in there and the CPC was graced with nice conversions of those coin-eaters such as Outrun, Bombjack, Operation Thunderbolt, Space Harrier, Gauntlet and Golden Axe.
Golden Axe on the Amstrad CPC 464
Space Harrier on the Amstrad CPC 464
Gaming on the CPC today...
Games are still being created for this machine today.
Chronosoft are a well known supporter of many retro machines, and the Amstrad CPC 464 is one of them. Chronosoft titles are always worth a look (have a look at Baloonacy for the Amstrad) - check out their site if you fancy a 'modern' experience on your CPC.
Modern Game Baloonacy On The CPC 464
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A brochure for the Amstrad CPC 464 computer
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