Olympiad: IBM Prototype Fonts Unearthed

Olympiad: IBM Prototype Fonts Unearthed

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Historical exhibit: a set of 25 floppy disks documenting IBM's creation of an in-house bitmap typeface for the RT PC project (code-named Olympiad).  Contains the original material as received, plus TTF and PNG conversions of the fonts and images.
So-called "IBM" Freeware Games from the Early '80s

So-called "IBM" Freeware Games from the Early '80s

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An archeological riddle: these very early public domain games all have similar title screens, which say "IBM" although they were clearly homebrew creations.  Where do they come from, who made them, and what is that cryptic "mystery code" all about?
The Ultimate Oldschool PC Font Pack (v1.0)

The Ultimate Oldschool PC Font Pack (v1.0)

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Presenting the world's biggest collection of classic text mode fonts, system fonts and BIOS fonts from the DOS-era IBM PCs and compatibles.  Contains TrueType (TTF) and bitmap (FON) versions of the original character sets, and some unicode expansions as well.
101 Monochrome Mazes: Why Not Color?

101 Monochrome Mazes: Why Not Color?

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IBM officially discouraged PC programmers from exploiting hardware-specific tricks, since that came at the expense of compatibility.  Then, they went and released a game that did just that.  Here's why it was (artificially) prevented from running on color systems.
New Design

New Design

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Not so new anymore.
CGA in 1024 Colors - a New Mode: the Illustrated Guide

CGA in 1024 Colors - a New Mode: the Illustrated Guide

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Can you take the original IBM PC color graphics board, and force it to display 32 times as many colors as it's officially capable of?  Believe it, comrade!  Here's the in-depth write-up on how we did that in the 8088 MPH demo, complete with illustrations.