@fuzzweed.co.uk I’m not that familiar with CP/M really, but Spectrum Plus3DOS adds 128 byte headers to everything (I think for CP/M compatibility?) Maybe it’s getting added by your emulator?
@fuzzweed.co.uk I’m not that familiar with CP/M really, but Spectrum Plus3DOS adds 128 byte headers to everything (I think for CP/M compatibility?) Maybe it’s getting added by your emulator?