A New 8-bit CPU for C
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It is easy to port C compilers to architectures that look like old minicomputers or bigger CPUs. However, as the authors of the Small Device C Compiler (SDCC) found, pushing …read more Continue reading A New 8-bit CPU for C
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It is easy to port C compilers to architectures that look like old minicomputers or bigger CPUs. However, as the authors of the Small Device C Compiler (SDCC) found, pushing …read more Continue reading A New 8-bit CPU for C
[James Sharman] designed and built his own 8-bit computer from scratch using TTL logic chips, including a VGA adapter, and you can watch it run a glorious rotating cube demo …read more Continue reading Homebrew CPU Gets a Beautiful Rotating Cube Demo
If you’re nostalgic for the golden age of microprocessors and dream of building your own computer, this story might spark your imagination. [Eric Lind], passionate retro enthusiast and his 14-year-old …read more Continue reading The 6809 8-Bit Microcomputer: A Father-Son Odyssey
When thinking of retrocomputing, many of us will imagine machines such as the Commodore 64 or Apple II. These computers were very popular and have plenty of parts and documentation …read more Continue reading Retro Computer Goes Back to the 1950s
Although largely relegated to retrocomputing enthusiasts and embedded systems or microcontrollers now, there was a time when there were no other computers available other than those with 8-bit processors. The …read more Continue reading 8-Bit Computers Crunch Advanced Scientific Computations
Back in the days of 8-bit computers, like no doubt many readers of similar age, we wrote little games. First in BASIC, then augmented with little machine code speed-ups. We …read more Continue reading Revisiting a Z80 Game From 1990
Calling any one computer the first hobby computer is fraught with peril. Most people think the MITS Altair 8800, first featured in Popular Electronics back in January 1975, was the …read more Continue reading Forget the Altair! Remember the Mark-8!
The Philips SAA1099 is perhaps one of the lesser-known among the crop of 1980s-era 8-bit sound generator chips, but with three stereo voices onboard it makes a capable instrument for …read more Continue reading The Clock, Another Way to Modify the Sound of a Synth Chip
If you work at all with British software or hardware engineers, you’ll find that there’s an entire generation perhaps now somewhere between their mid-40s and mid-50s, who stand slightly apart …read more Continue reading A Virus for the BBC Micro
To demonstrate the functionality of an 8-bit computer processor at a very basic level, [Mazen Gomaa] assembled a Homemade 8-Bit Educational Computer using common CMOS logic chips, a handful of …read more Continue reading Hackaday Prize 2023: Scratch Made 8-Bit Educational Computer