Re: Senior PROM uploaded

["Bryan Parkoff" <nospam@nospam.com>]

> "David Wilson" <mcs6502@gmail.com> wrote in message 
> 3a3d7bbd-b362-4580-a4cc-485c2f4571a2@e6g2000prf.googlegroups.com">news:3a3d7bbd-b362-4580-a4cc-485c2f4571a2@e6g2000prf.googlegroups.com...
> : On Dec 10, 3:47 am, "William Garber" <willy4...@garberstreet.com>
> : wrote:
> : > "jonnosan" <jonno...@gmail.com> wrote in 
> message801da2bd-6a70-4c4f-a0c7-787b50a24a6d@b1g2000pra.googlegroups.com">news:801da2bd-6a70-4c4f-a0c7-787b50a24a6d@b1g2000pra.googlegroups.com...
> :
> : > : But it was encouraging that the image didn't seem to have any 
> problems
> : > : running in the platinum iie.
> : >
> : > Interesting, being that this code was written for the Beige IIe.
> :
> : I don't know of any way that a program can identify the difference
> : between a beige or platinum IIe so this does not surprise me.
> :
> : The newer board just shrank the ROM and RAM chip counts by using
> : higher density parts. Minor difference like the shift mod jumper and
> : filter caps on the push button inputs would require external inputs to
> : be identified.
>
> It isn't ID'ing the machine. It is the fact that one uses
> the 6502, and the other the 65C02, and the CHARGEN variant.

Bill,

    I am not aware of this ROM.  Can you please tell what is the difference 
between original ROM and modified ROM for Apple //e?  I do know that there 
are two ROMs of unenhanced Apple //e and enhanced Apple //e.

Bryan Parkoff