Speed measurement:
------------------

Set up your H: device properly first (-configure).
Start emulator with Atari BASIC (-config ataribas.cfg).
Enter the following command under the READY prompt in BASIC:

ENTER "H:CIRCLE.LST"

then type RUN and press return - and watch your watches to see how long
it takes to draw a circle.

CIRCLE.LST GR.8    Atari800 0.8.2      assembler CPU
----------------------------------------------------
full refresh       161 seconds         142 seconds
interlace 1/10     133 seconds         116 seconds
refresh   1/10      54 seconds          43 seconds
real rate 1/100     50 seconds          40 seconds

Unfortunately I don't remember the time needed on original Atari 800XL.

Anyway, the results show that ANTIC emulation is the most expensive
part of emulation time. I am going to improve it by rewritting to
assembler.

Petr

stehlik@cas3.zlin.vutbr.cz