> The 8086/8088 do not provide consistency ... self-modifying code can be used to determine the queue length, distinguishing the 8086 from the 8088 in software.
I sincerely doubt I was the first to work that out; but I remember being so incredibly happy when I figured that one out, when it solved a problem i had.
Cannot now recall why the difference was significant, something about installing different routines for bashing serial ports i think.
I sincerely doubt I was the first to work that out; but I remember being so incredibly happy when I figured that one out, when it solved a problem i had.
Cannot now recall why the difference was significant, something about installing different routines for bashing serial ports i think.