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Ccircuitrockscircuitrocks.hashnode.devJul 26 · 3 min read

Doom Runs on a Scratch-Built RISC-V CPU on an FPGA

Two weeks after wiring up a processor that existed only as logic gates, an MIT student team watched Doom crawl to life on it. The 1993 shooter has already been forced onto calculators, cameras, and pr

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Ccircuitrockscircuitrocks.hashnode.devJul 25 · 2 min read

Nordic nRF54L15 Discovery: Two Open-Hardware Boards, One PCB

Wireless microcontrollers used to force a trade-off: pick one radio stack, keep the clock speed modest, and budget for a separate debugger. The newer Nordic nRF54 family is quietly rewriting that math

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MFMathijs Frankmathijs-frank.hashnode.devJul 15 · 3 min read

Rediscovering the three types of assembly instructions

This is part of an ongoing project. A programming game where getting better at the game means getting better at real coding. Background here: Learning Coding Like a Board Game. As I was designing inst

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Ccircuitrockscircuitrocks.hashnode.devJul 8 · 3 min read

Bitluni's 8,192-Core DIY GPU Is Built From 13-Cent RISC-V Chips

Eight thousand status LEDs blink at once across a rack of plug-in blades, each one a separate RISC-V chip chewing on its slice of the work. Bitluni's newest build is a graphics processor stitched toge

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Ccircuitrockscircuitrocks.hashnode.devJul 8 · 3 min read

Bitluni's 8,192-Core DIY GPU Is Built From 13-Cent RISC-V Chips

Eight thousand status LEDs blink at once across a rack of plug-in blades, each one a separate RISC-V chip chewing on its slice of the work. Bitluni's newest build is a graphics processor stitched toge

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Ccircuitrockscircuitrocks.hashnode.devJul 1 · 2 min read

The Tanmatsu Handheld: An ESP32-P4 Palmtop Built for Hackers

What happens when a hacker conference badge grows up into a full palmtop computer you can actually live with? The Tanmatsu is the answer, and after a year in the wild it finally has the stable operati

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Ccircuitrockscircuitrocks.hashnode.devJul 1 · 2 min read

The Tanmatsu Handheld: An ESP32-P4 Palmtop Built for Hackers

What happens when a hacker conference badge grows up into a full palmtop computer you can actually live with? The Tanmatsu is the answer, and after a year in the wild it finally has the stable operati

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MWMuhammad Waleed Akramwaleed-riscv.hashnode.devFeb 3 · 8 min read

Designing an Execution-Driven Architecture for Olympia

Introduction In the previous two posts, I explored why execution-driven simulation is essential for modeling modern processors and analyzed Issue #14 from the Olympia repository, which calls for adding execution-driven support. That discussion reveal...

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MWMuhammad Waleed Akramwaleed-riscv.hashnode.devJan 31 · 7 min read

Add Execution-Driven Support to Olympia: Understanding Issue # 14

Introduction In my previous post, I explored the motivation behind execution-driven performance modeling and how Olympia currently operates as a trace-driven simulator. This post builds directly on that foundation by analyzing Issue #14: “Add executi...

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CCryptapeblog.cryptape.comJan 30 · 6 min read

Satoshi Scoop Weekly, 30 January 2026

BIP110 Soft Fork Progress: ~4.7 % Node Support, Mining Pools Absent BIP110 was proposed in early December 2025, introducing a temporary, consensus-level limit on the amount of data transmitted in transactions, aimed at mitigating spam. According to d...

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Trending tags this week

Doom Runs on a Scratch-Built RISC-V CPU on an FPGA

Nordic nRF54L15 Discovery: Two Open-Hardware Boards, One PCB

Rediscovering the three types of assembly instructions

Bitluni's 8,192-Core DIY GPU Is Built From 13-Cent RISC-V Chips

Bitluni's 8,192-Core DIY GPU Is Built From 13-Cent RISC-V Chips

The Tanmatsu Handheld: An ESP32-P4 Palmtop Built for Hackers

The Tanmatsu Handheld: An ESP32-P4 Palmtop Built for Hackers

Designing an Execution-Driven Architecture for Olympia

Add Execution-Driven Support to Olympia: Understanding Issue # 14

Satoshi Scoop Weekly, 30 January 2026