Category Archives: cpm

The 1980s called – asking for the Z80 Membership Card

The ’80’s and early ’90’s saw a huge proliferation of “personal” computers, spawning an army of hacker kids who would go on to hone their computing chops on 8-bit and 16-bit computers from brands such as Sinclair, Commodore, Acorn, Apple, Atari, Tandy/RadioShack and Texas Instruments. Fast forward to 2017, and Raspberry-Pi, BeagleBone and micro:bit computers reign supreme. But the old 8-bit and 16-bit computer systems can still teach us a lot.

[Lee Hart] has built the amazing Z80 Membership Card — a Z80 computer that fits in an Altoids tin. His design uses generic through hole parts mounted on a …read more

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Posted in 8-bit computers, altoids, classic hacks, cpm, retro, retro computer, z80, zilog | Leave a comment

An Eight Inch Floppy For Your Retrocomputer

For people under a certain age, the 8 inch floppy disk is a historical curiosity. They might just have owned a PC that had a 5.25 inch disk drive, but the image conjured by the phrase “floppy disk” will be the hard blue plastic of the once ubiquitous 3.5 inch disk. Even today, years after floppies shuffled off this mortal coil, we still see the 3.5 inch disk as the save icon in so many of our software packages.

For retro computing enthusiasts though, there is an attraction to the original floppy  from the 1970s. Mass storage for microcomputers can …read more

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Posted in classic hacks, cpm, floppy disk, floppy drive, RC2014 | Leave a comment