Re: LZ: Info about processor in Ti-85 re


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Re: LZ: Info about processor in Ti-85 re



> >Then it is not a z80.  It maybe z80 compatible, but it isn't a z80.
> Look.  If you don't want to call it a Z80 processor, then don't.  No 
> one here says you _HAVE_ to.
All I'm saying is that it is incorrect to call it a z80 processor.  
Would you call an Nx586 a Pentium? Would you call a r3041 an r3000?
 
> Undoucmented commands were previously discussed on this list.  Check 
> out the List-ZShell Archives at www.TICalc.org.
How can you say that their are undocumented commands when no one 
seems to have any documentation from Toshiba about this chip.


> >> > Also what is the word size of this processor? 8-bit?
> >>Memory addresses are 16-bit
> >Yes I know it has 16 bit addressing.  But what is its word size?
> >The address size is not always the same as the word size.
> True.  You need to know:  A WORD is always two (2) bytes, or sixteen 
> (16) bits.  A BYTE is always eight (8) bits.
I'm not going to say anything more about this except refer you to 
these 2 entries in the Free On-line Dictionary of Computing.
http://wfn-shop.princeton.edu/foldoc/cgi-script?byte
http://wfn-shop.princeton.edu/foldoc/cgi-script?word


-----
Richard Gallagher
rbg@cvm.co.nz


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