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Tag Archives: 8259A
More PC(jr) incompatibilities!
The race for PC-compatibility Since the mid-80s, there have been many clones of the original IBM PC. IBM themselves also made new-and-improved versions of the PC, aiming for backward-compatibility. DOS itself was more or less a clone of CP/M, and … Continue reading
Posted in Oldskool/retro programming
Tagged 8259A, CP/M, Creative Music System, DOS, Game Blaster, IBM, IBM Music Feature Card, IMFC, lo-tech, oldskool, PC-Compatibility, PC-Compatible, PCjr, PIC, reenigne, retro, SN76489, SN76496, Tandy, veovis
12 Comments
PC-compatibility, it’s all relative
Update 21-12-2015: I have updated some of the information after testing on an AT with old Intel 8259A chips, and added some extra information on EISA and newer systems. I would like to pick up where I left off last … Continue reading
Posted in Oldskool/retro programming, Software development
Tagged 286, 8088, 8259A, ASM, assembly, AT, demoscene, DOS, oldskool, PC, PC/XT, PCjr, retro, retroprogramming, timer interrupt, x86, XT
11 Comments
Scali's OpenBlog™ 