Create README.md

Author: lindoran

hb63c09/README.md

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+hb63c09m:
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+The HB63C09 Completes asembly in 261 miliseconds (.261 Seconds) I beleve that is faster than the most recent Agon Light test, under asembly.
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+Computer is clocked at 20Mhz and has a wait state for serial (which is the only video output) so once the graphics expansion is completed 
+it will be interesting to see how much faster the test completes without the serial io wait state.
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+I did not run the test without video output.
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+this code takes advantage of the speed tweeks avalible to the 6309 and uses the same maths in the ../6x09 directory that the CoCO uses.