Re: 65C02 : deduce addressing from opcode ?

["Peter Ibbotson" <spambox@ibbotson.co.uk>]

"Zouplaz" <pouet@pouet.com> wrote in message 
news:Xns96238799A2F3CZoupla@212.27.42.74...
> Hello, I wonder how I can deduce the adressing mode from any 65C02 opcode 
> ?
>
> Looking several opcode matrix I'm pretty sure that opcode numbering have
> not be done by random.
>
> 13 addressing mode are identified for this cpu so I presume that I could
> end with a 4 bits value representing the adressing mode of any known
> opcode..
>
>
> Any idea ?


I used to know this, but if you look in the Apple ][ Redbook (this is online 
somewhere) the monitor listing contains the disassembler Woz wrote. This has 
details on the exact patterns allowed.

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