The IBM PCjr. had many faults, one of which were the compromises IBM imposed on the machine to limit its PC compatibility.  By the time the ...

Top - Direct Colors Old CGA & New CGA Bottom - High Resolution Artifact Colors Old CGA & New CGA Back in 2013 I gave an overview of ...

When IBM released its Color/Graphics Adapter card as one of the two display adapters supported by the IBM PC Model 5150 when it launched in ...

The IBM PC computing platform supported gaming from the beginning, but at first its graphical and sound capabilities were not that much more...

I wrote an article about the IBM JX (note no "PC" in the computer's name) five years ago.  Much of that article was subject to...

The Gotek floppy drive emulator is a simple, cheap and little device that, as its name says, emulates a floppy drive.  There are many var...

When I first received my IBM PCjr. back in 2013, I was able to discuss most of the readily-available upgrades for the system that existed at...

GGLabs' CGA2RGB (courtesy of GGLabs) Getting a high quality and proper video signal from an IBM CGA or EGA card or an IBM PCjr or T...

Boulder Dash was originally released for the IBM PC and PCjr. in 1984 by First Star Software.  The disk included two separate executables, o...

Recently, I learned that Winnie the Pooh had support for Tandy/PCjr. graphics and 3-voice sound.  However, whoever was responsible for th...

Over the past decade (and a bit) people have been writing new software for "oldskool" PC systems like the IBM PC, IBM PCjr. and th...

IBM PC Screenshots on the Left Side of the Page                       IBM PCjr. Screenshots on the Right Side of the P...

The TI SN 76496, what we today typically refer to as the PCjr./Tandy sound chip, is a long and varied one as it pertains to the IBM PC platf...

160x200 in 16 colors is a resolution officially only supported on the Tandy 1000s and the IBM PCjr.  Despite having the memory (16K) availab...

IBM used several fonts during the life of the IBM PC line and soon thereafter.  Eventually the font support would be finalized into the stan...