Technical Innovations
Among BBS software available in its day, Blue Board was notable in that it made creative use of the computer's limited RAM space, including the shadow RAM behind its ROMs, to store frequently-referenced data such as usernames, passwords, and message headers. This allowed the BBS to bypass the C-64's notoriously slow floppy disk system for many functions. The text of the message bases was kept on floppy disk in random access mode, bypassing the performance limitations of the 1541 floppy disk drive's file system. In addition, the entire BBS program was written in 6510 assembly code, further improving both speed and memory efficiency.
Blue Board was one of the first BBSes, and probably the first Commodore 64 BBS, to support features such as voting and one-liners which they called "scribbles." Additionally, it reserved a small block of the C-64's memory space for external programs that could include additional file transfer capability, or rudimentary games that presaged the door games that would become enormously popular on later BBSes.
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