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Re: Student publishes 800-page Apple II computer manual
BLuRry wrote:
> On Wednesday, November 14, 2012 4:21:03 AM UTC-6, sicklittlemonkey wrote:
>> Kudos to David. It's a real accomplishment.
>>
>>
>>
>> BTW, I hope the book finally corrects the store double-access myth (for
>> soft-switches) that seemed to make it into all the Apple manuals.
>>
>>
>>
>> Cheers,
>>
>> Nick.
>
> Was it a myth? Glad I was too lazy to implement it that way in Jace. ;-)
>
> The only double-access method that seems credible is the way which you
> change RGB modes between mixed/bw/color.
Not exactly. In Appendix C, on page 643, I say that PEEK makes one access,
and POKE makes two. I recall this is because these statements in Applesoft
use an indexed addressing mode.
--
]DF$
Apple II Book: http://macgui.com/newa2guide/ Vault: http://macgui.com/vault/
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