Simon Owen wrote: > Frame, Line and MIDI Out interrupts all last 128 tstates (MIDI In > is likely > to be the same, but untested). Both frame and line interrupts > begin at the start of the right border area.
Actually, the MIDI Out interrupt is different (shorter). I don't remember the exact details right now, but it's something like the duration of one half bit of MIDI transmission. I expect MIDI In is the same as MIDI Out. Dave.