FastMHz Nerdvana - OPL3 FM Synth Tunes on IBM XT
The process of playing some retro FM synth tunes in full stereo on a genuine IBM XT, from a 360k floppy diskette. The PC has a 10MB MFM hard drive running PC-DOS 2000. This computer is over 3 decades old and running strong! This particular XT has some "upgrades": An 8-bit XT-IDE CF adapter for easy data transfer, a ReSound 8-bit YMF-262 card, and an NEC V20 CPU. The VGA update speed is way slow compared to the audio! RDOSPlay, the software used here, puts the actual playing routines at much higher priority than the display. Amazingly, it finds spare cycles in the CPU to update the display while I choose the next track while it plays in the background. Aside from the IDE adapter, similar capability would have been available in the mid 80s (with an OPL2 Adlib card and in mono). I will be fully documenting all of this in the coming days. My vintage computing blog: http://fastmhz.com/amd-8088-477-mhz/
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