Author Archives: e8johan

Compiling for the C64

Posted on March 11, 2015 by e8johan

Michael Steil from pagetable just posted a nice article on the art of migrating software to newer systems. Basically, he has built the code of a project started back in 1995 today. The code base has gone through both the … Continue reading →

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Open Source GPGPU

Posted on March 10, 2015 by e8johan

A GPGPU is a graphical processing unit, but with adaptations to make it possible to use it for general purpose computing as well. For those of you who followed Intel’s Larrabee project – that is a GPGPU. Intel’s project was … Continue reading →

Posted in Electronics, FPGA, Programming | 2 Comments

Learn about Compiling

Posted on February 21, 2015 by e8johan

Matt Godbolt has created an intriguing webpage letting you enter C++ code and then watch the resulting assembly code. You can try it right here. The compilers supported are gcc, lcc and clang in various versions. Hardware target architectures are … Continue reading →

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Tiny, open source, M0 board

Posted on February 6, 2015 by e8johan

The ARM PRO MINI is a tiny, open source, board based on a Cortex M0 MCU. The whole project, including schematics and BOM, is available on github. The MCU is an NXP ARM M0 LPC11U35FHI33/501. This means that the Eclipse-based LPCXpresso IDE can … Continue reading →

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Raspberry Pi 2 – Double the Power – Same Price

Posted on February 2, 2015 by e8johan

Just in from Raspberry Pi Foundation: Let’s get the good stuff out of the way above the fold. Raspberry Pi 2 is now on salefor $35 (the same price as the existing Model B+), featuring: A 900MHz quad-core ARM Cortex-A7 … Continue reading →

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Retro Arcade Repairs

Posted on January 31, 2015 by e8johan

A friend of mine, kralleman, is crazy about retro games and their hardware. I mean properly crazy. Crazy enough to appear on national TV, as well as having three episodes of a local retro gaming show dedicated to his own … Continue reading →

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Tickless idle in FreeRTOS

Posted on January 29, 2015 by e8johan

As things become more and more mobile, portable, or even wearable, power consumption becomes important. FreeRTOS moves in this direction by supporting a tickless idle process. But first, what is really the problem? When a system has nothing to do, … Continue reading →

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Impressive 6502 Home Computer

Posted on January 27, 2015 by e8johan

Dirk Grappendorf has been working on a serious looking MOS 6502 based computer. Over at his site, you can follow his development diary. The computer was developed between September 2014 and January 2015. Quite impressive, given the outcome! The entire … Continue reading →

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Raspberry Pi as an Amiga Floppy Drive

Posted on January 21, 2015 by e8johan

As you probably know, the combination of retro computing and tinkering with embedded platforms tickles the mind of us here at DigitalFanatics. Someone who really hit that spot is Maurizio Ramondo and his Amiga Drive project. Basically, it is about … Continue reading →

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x86 timeline

Posted on January 18, 2015 by e8johan

Computer World has a nice timeline of the x86 processor family.

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