Re: [cc65] Hmm, addressing mode problem

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From: David Lloyd (dmlloyd_at_atari-central.com)
Date: 2000-06-21 20:50:09


Drat, I was using the reference guide at http://www.6502.org and it listed
bit abs,x.... now I have to rewrite a whole section of code. :-(


On Wed, 21 Jun 2000, MagerValp wrote:

> >>>>> "DL" == David Lloyd <dmlloyd_at_atari-central.com> writes:
> 
> DL> Isn't abs,x a legal mode for 'BIT'? Is the opcode not $3C, or is
> DL> that only on the 65C02?
> 
> The PRG only lists:
> 
>   +----------------+-----------------------+---------+---------+----------+
>   | Addressing Mode| Assembly Language Form| OP CODE |No. Bytes|No. Cycles|
>   +----------------+-----------------------+---------+---------+----------+
>   |  Zero Page     |   BIT Oper            |    24   |    2    |    3     |
>   |  Absolute      |   BIT Oper            |    2C   |    3    |    4     |
>   +----------------+-----------------------+---------+---------+----------+


- D

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