Re: 1802 vs 1805/6

Magnus Kesselmark

Hello Bob!

Thanks a lot for your answers. However there were so much more nice stuff in the list:
CDP1851, 1852, 1853, 1856, 1857, 1858, 1859, 1861, 1867, 1868, 1870, 1871, 1872, 1877, 1879 and some more ...


----- Original Message -----
From: Bob Armstrong
To: cosmacelf@...
Sent: Saturday, June 26, 2010 4:31 PM
Subject: RE: [cosmacelf] 1802 vs 1805/6


>My question is, is there any idea to grab an 1805/06 instead of the 1802
"just in case

Two things -

* The 1805/6 doesn't have LOAD mode, so if you plan to use a traditional
Popular Electronics Elf style lights and switches "front panel" then you
must have the 1802.

* The 1805/6 does have some nice extra instructions, but AFAIK there's no
software floating around out there for the 180x that uses them. So unless
you're planning to write a lot of your own software, the extra opcodes are

Bob Armstrong

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