Amstrad CPC464
I have two main units, two color monitors CTM640,
tape drive Philips d6450, printer Seikosha sp-1000cpc,
one extra disk drive and many joysticks.
type computer
country England
year 1984
os logomotive basic
cpu Zilog Z80
speed 4 MHz
ram 64 KB
rom 32 KB
graphic 160 x 200 (16)
colors 27
sound 3 channels, 8 octaves
ports Printer, bus, joystics, floppy disk, amstrad monitor, stereo jack output
The Amstrad CPC464 — Britain’s Affordable Computing Revolution
Launched on 11 April 1984, the Amstrad CPC464 was one of the most consequential home computers ever produced in Britain. Created by Sir Alan Sugar’s Amstrad company, the CPC464 delivered a genuinely complete, ready-to-use computing package — keyboard, cassette deck, monitor, and software — at a price that ordinary families could afford. More than 2 million units were sold, making it one of the best-selling computers in European history.
Origins — The ”Plug In and Play” Philosophy
In the early 1980s, home computing was fragmented and frustrating for ordinary users. The Sinclair ZX Spectrum and Commodore 64 were popular but required a separate television as a monitor and a separate cassette player for loading software. Alan Sugar’s insight was simple and brilliant: include everything in one box. The CPC464 came with its own dedicated monitor (either a colour CTM640 or green-screen GT64), had the cassette deck built into the machine itself, and required only a single power plug. You unpacked it, plugged it in, and it worked.
The name CPC stood for ”Colour Personal Computer,” and the 464 referred to its 64 KB of RAM. Amstrad’s manufacturing efficiency allowed it to launch at £359 with the colour monitor — significantly less than comparable setups from Sinclair or Commodore once monitors and peripherals were included.
Hardware
The CPC464 was powered by a Zilog Z80A processor running at 4 MHz. It came with 64 KB of RAM and 32 KB of ROM containing Locomotive BASIC, one of the finest BASIC interpreters of the 8-bit era. The machine offered three display modes: 160×200 pixels with 16 colours, 320×200 pixels with 4 colours, and 640×200 pixels in 2 colours. Sound was handled by the AY-3-8912 chip, providing 3 voices across 8 octaves — richer than the Sinclair Spectrum’s single-channel buzzer.
Software and Gaming
The CPC464’s software library was vast. Major publishers including Ocean, Activision, US Gold, and dozens of others supported the platform with ports of arcade hits and original titles. Legendary CPC games included Roland on the Ropes, Head Over Heels, Batman, Dizzy, and Ghostbusters. The built-in Locomotive BASIC made it excellent for programming education, and CP/M compatibility via a disk interface opened access to serious business software.
Legacy
The CPC family sold over 3 million units in total and dominated the home computer market in France, Spain, and several other European countries. The Computer Museum Ata collection includes two CPC464 units with colour monitors CTM640, tape drive Philips D6450, printer Seikosha SP-1000CPC, and an additional disk drive — a beautifully complete example of the platform as experienced in its heyday.