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    Seeding Randomness with a String

    Random numbers are great but sometimes you want them to be consistently random (an oxymoron!) so that you can rely on their pattern being the same. For example, in Magenta's Maze everything is...

    Today 08:38 AM

    RAND() in Assembler

    The puzzles of Magenta's Maze are generated using the barely sufficient rand() function supplied by MSC 5.1. There are some issues with this, most notably that the highest bit of the 16-bit word...

    Yesterday 02:50 PM

    VINTAGE FLYERS from COMMODORE [1990] | It's a Pixel THING - Ep. 123

    This week I'll be showcasing some vintage flyers from the Amiga and Personal Computer families from Commodore that were being commercialized around 1990. Enjoy! VINTAGE FLYERS from COMMODORE |...

    July 23rd, 2017 04:08 AM

    C's itoa() in Assembler with mini-sprintf bonus

    I've been poking around for a quick way to convert 16-bit words into digit characters a la the itoa() function in C. I thought and searched a lot around dividing by constants and clever ways of...

    July 20th, 2017 01:14 PM

    CGA Tiny Font (4x4)

    In accordance with yesterday's entry on text rendering, I've now created the routine for a "tiny" font. What this does is take the 8x8 glyphs and compresses them into 4x4 squares by creating a sort...

    July 19th, 2017 08:38 AM
  • Recent Forum Posts


    No problem--I have a very large menagerie of...

    No problem--I have a very large menagerie of samples--much of it dates from the time when Don Maslin and I would swap samples. Mostly, I don't know exactly what I've got until I actually go and...

    Chuck(G) Today, 10:36 AM Go to last post

    Background diskette access--my old CONFMT...

    Background diskette access--my old CONFMT program was pretty cool in its day. Then, of course, there's SYDUPE - able to run three floppy controllers simultaneously. It sort of became a fossil...

    Chuck(G) Today, 10:31 AM Go to last post

    Back in the days of the Model D, I had a Chicony...

    Back in the days of the Model D, I had a Chicony 5160 keyboard. Blue Alps switches. Very noisy and not that pleasant to type on--my fingers would get tired.

    Chuck(G) Today, 10:24 AM Go to last post

    Chuck(G) - got it - thanks! I figured if I was...

    Chuck(G) - got it - thanks! I figured if I was going to find a disk image for this guy anywhere, it would be here.

    I assumed the media and format differences would not allow a SYSGEN from one to...

    ScutBoy Today, 10:23 AM Go to last post

    Ready to run DEC 486 desktop!

    Better deal to someone here on VCF!

    aaron7 Today, 10:05 AM Go to last post