• Embedded, Programming

    Getting Started With The GA144 And ArrayForth

    The GA144 chip by GreenArrays is unique in several ways: It has 144, 18-bit cores. It is asynchronous, so there is no clock. It is programmed in Forth, and GreenArrays provides colorForth, a version of arrayForth specifically for the GA144. Even though there is adequate documentation, getting started with this chip can still be quite…

  • Reverse Engineering

    How to quickly rip apart a UEFI firmware

    Imagine this. It’s been a couple of months since you upgraded your trusty laptop with a good old SSD, the speed is fair but there’s just something wrong. Hibernation is taking ages, but why? You rip your firmware apart and find out they’ve crippled your S-ATA controller.. Enter the Panasonic Toughbook CF-19 MK3, one of…

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