Tag Archives: DMA

DMA activation

Posted on March 12, 2017 by Scali

No, not the pseudoscience stuff, I am talking about Direct Memory Access. More specifically in the context of IBM PC and compatibles, which use the Intel 8237A DMA controller. For some reason, I had never used the 8237A before. I … Continue reading →

Posted in Oldskool/retro programming | Tagged , , , , , , , , , , , | 9 Comments

Triton’s Crystal Dream – the final chapter

Posted on January 6, 2015 by Scali

A few years ago, I patched some of the code in Triton’s Crystal Dream demo from 1992: Although my code made it work on my real 486DX2-80 machine with Sound Blaster Pro (the ‘ideal’ setup for this demo), it did … Continue reading →

Posted in Oldskool/retro programming, Software development | Tagged , , , , , , , | 3 Comments