MIDI data are stored and retrieved directly from disk without use of large RAM buffer.
Datadisk is constructed around the 80C31 CPU and Western Digital WD1772PH02-02 floppy disk controller. It support DD (double density) floppys with max disk size at 800K. Max file count are total of 53 files for each floppy.
To replace FDD with USB stick use a cheap FDD emulator influenced by the Indian GOTEK hardware based around the STM32 SoC (System on a Chip). This device need new firmware written by Keir Fraser Floppy drive emulator for Gotek hardware https://github.com/keirf/FlashFloppy
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