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    neilobremski

    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
    neilobremski

    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
    neilobremski

    CGA Text Blit

    I went back and forth over whether or not to write my own text rendering routine in assembler. DOS supplies a decent print string function but it turned out to be insufficient to my needs. My...

    July 18th, 2017 03:00 PM
    PixelTHING

    PICKUPS 13: Video Games + Stuff | It's a Pixel THING - Ep. 122

    Let's take a look at 20 video games + related stuff that I managed to grab during the last 2 months! There's stuff for the PlayStation 4, PC, PlayStation 3, Xbox 360, PlayStation 2 and the original...

    July 16th, 2017 02:43 AM
    neilobremski

    Variable FPS Animation with DDA

    I just finished writing some code to animate movement and turning. When initially planning to tackled this task I was going to make a lot of assumptions and fix the framerate regardless of the...

    July 13th, 2017 09:39 AM
  • Recent Forum Posts

    lynchaj

    The Definicon boards (DSI-32, etc.) are related...

    The Definicon boards (DSI-32, etc.) are related to the PD32 because the authors (Dave Rand & George Scolaro) are the same.

    lynchaj Today, 10:40 AM Go to last post
    SomaCowJ

    I am a software engineer who knows nothing about...

    I am a software engineer who knows nothing about hardware.
    I have fired up my Model 3 every year or two to make sure it still works.
    Now that my grandkids are old enough to appreciate it, I brought...

    SomaCowJ Today, 10:39 AM Go to last post
    Al Kossow

    check...

    check
    http://bitsavers.org/bits/AmericanInformationSystems
    and
    http://bitsavers.org/bits/OpusSystems

    after 12:30 PDT today

    Al Kossow Today, 10:39 AM Go to last post
    fjk61011

    It is an ST-412 drive. The cables more or less...

    It is an ST-412 drive. The cables more or less line up with the drive with "folds" in the cable. The shunt has eight metal pieces shaped like an hour glass. From the connector end of the drive: 1 is...

    fjk61011 Today, 10:38 AM Go to last post
    Chuck(G)

    The "WHAT?" rings a faint bell with me. I wonder...

    The "WHAT?" rings a faint bell with me. I wonder if this isn't using the PT assembler-editor in PROM code.

    Chuck(G) Today, 10:34 AM Go to last post