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[on:]

Got to looking at this - AT89S2051 and the AT89S4051 - and from what I can gather from the various pieces of documentation I have seen, with a couple additions to the AVRDude config I should be able to load a program from a .hex file(generated from an 8051 compiler/assembler) using the ArduinoISP. A little different architecture with different abilities, but something more to play with without a major expense for programming. There is even one instance of a programmer that you can program either the AT89S2051 or the ATtiny2313. So I might be well on my way there as I have a small shield that mounts on my Arduino that has a socket for the ATtiny2313, so it might not take much modification to program the 8051...

Something to do this winter...

[Reply #1 on:]

Personally I don't get the attraction unless you are a company with a huge investment in legacy hardware/code for the 8051.  That's the only reason anyone still uses it.  ATMega does everything better as far as I can see assuming you are unencumbered by what you were doing in the 80s.  If you want a challange, why not ARM yourself?

http://arduino.cc/blog/2012/10/22/arduino-due-is-finally-here/

It looks cooler than sharks with frickin' laser beams attached to their heads.