On Tuesday, March 15, 2022 at 5:14:17 PM UTC-5, Douglas Miller wrote:
> The hard disk formats you seem to refer to are filesystem, not track/sector, formats. Programs that made BDOS calls to access files did not need any special compatibility layer, unless they hard-coded redundant checks for the limits (e.g. instead of just letting the BDOS tell you when you exceed the file size limit they pre-emptively checked for that limit).
Well, except for possible differences between 16-bit and 8-bit FCBs, and the like.