Posted By
Litwr
on 2017-02-13
11:04:04
|  Re: A mathematical demo
@JamesD I have found it - http://datasheets.chipdb.org/Motorola/mc6801_3.pdf. It was used with very rare MC-10. It is interesting that this CPU has 64 bytes of flash-RAM. It is an unusual feature for so old chip. 6809 shows a bit better speed than 6502 and 6803 is slower than 6809, so 6502 should be very close to 6803 in performance.
@MMS Thanks.  C+4/PAL is about two times (more precise - 93%) slower in the standard screen on mode. My sheet shows the maximum speed possible.
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