CP/M Is Now Freer Than It Was
It’s easy to think of the earlier history of desktop computing operating systems in terms of DOS, Windows, and Mac OS with maybe a bit of AmigaOS, TOS, or RiscOS …read more Continue reading CP/M Is Now Freer Than It Was
Category Archives: z80
Designed From Scratch And Fully Handmade: The Modular Coleman Z80 Computer
While the phrase “I built my own computer” might sound impressive to the uninitiated, anyone with an interest in modern computer hardware knows that there’s really not much to it: …read more Continue reading Designed From Scratch And Fully Handmade: The Modular Coleman Z80 Computer
Talking to a Texas Instruments Calculator
Texas Instruments is a world-class semiconductors company, but unfortunately what they are best known for among the general public is dated consumer-grade calculators thanks to entrenched standardized testing. These testing …read more Continue reading Talking to a Texas Instruments Calculator
Retro Serial Terminal Uses Modern Chips to Get CP/M Machine Talking
The hobbyists of the early days of the home computer era worked wonders with the comparatively primitive chips of the day, and what couldn’t be accomplished with a Z80 or …read more Continue reading Retro Serial Terminal Uses Modern Chips to Get CP/M Machine Talking
CRISS CP/M Provides Modern Hardware for a Classic OS
Today you might choose run Windows, Linux, MacOS or some other OS on your computer. Back in the 1980s however, you generally had little choice: a certain home computer came …read more Continue reading CRISS CP/M Provides Modern Hardware for a Classic OS
Teardown: VTech Smart Start
Regular readers may be aware that I have a certain affinity for vintage VTech educational toys, especially ones that attempted to visually or even functionally tie in with contemporary computer …read more Continue reading Teardown: VTech Smart Start
Chip Transplant Brings Timex 2048 Back from Grave
The 1984 Timex Computer 2048 that [Drygol] recently got his hands on was in pretty poor shape. Not only did it have the mangled exterior that comes from several decades …read more Continue reading Chip Transplant Brings Timex 2048 Back from Grave
Z80 Family Reunion Discovered in Old PoS Card Swiper
[Ben Heck] found an old card-swipe point-of-sale box at the Goodwill store, took it home, and tore it down to see what was inside. He found a completely serviceable single …read more Continue reading Z80 Family Reunion Discovered in Old PoS Card Swiper
Cerberus 2080 — Three-Headed Retro Computing Project
For seven months, [Bernardo Kastrup] at [TheByteAttic] has been realizing his childhood dream of building his own computer. It was this dream that steered him into the field of computer …read more Continue reading Cerberus 2080 — Three-Headed Retro Computing Project
Interfacing a Z80 CPU With the Raspberry Pi
The Z80 was a big deal in the 1970s and 1980s, and while its no longer a dominant architecture today, its legacy lives on. [James Andrew Fitzjohn] is a fan of the Z, and decided to interface the real silicon …read more
Continue reading Interfacing a Z80 CPU With the Raspberry Pi