[fpc-devel] Improving i8086 performance..
trixter at oldskool.org
Fri Dec 27 16:57:56 CET 2013
On 12/27/2013 9:35 AM, Kostas Michalopoulos wrote:
> If you want to do speed tests, try some emulator. For example PicoXT
> (which emulates an XT clone):
That emulator is not cycle-exact, so it doesn't have the same
characteristics as the real hardware. PCem comes closer, but is also
Because MUL/IMUL/DIV/IDIV on 808x has variable execution times based on
the inputs, it is best for the OP to test on real hardware if he wants
an accurate comparison.
Jim Leonard (trixter at oldskool.org)
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