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Re: Hires - to - Lores ... Yikes
- Subject: Re: Hires - to - Lores ... Yikes
- From: mjmahon@aol.com (Michael J. Mahon)
- Date: 23 Jul 2004 06:42:41 GMT
- Newsgroups: comp.sys.apple2
- Organization: AOL http://www.aol.com
- References: <QF0Mc.47560$2i3.44451@clgrps12>
- Xref: g2news1.google.com comp.sys.apple2:2421
Bender MX wrote:
>"Bill Garber" <willy46pa@comcast DOT net> wrote in message
>35CdnbCeQ42tCZ3cRVn-sA@comcast.com">news:35CdnbCeQ42tCZ3cRVn-sA@comcast.com...
>>
>> Restore those locations at the end before you RTS. :o)
>>
>> Bill @ GarberStreet Enterprizez };-)
>> Web Site - http://garberstreet.netfirms.com
>> Email - willy46pa @ comcast DOT net
>> Change DOT to a dot to contact me
>
>Hehe, Hi Bill,
>
>Sure sure, and double the size of my code! :)
>
>I'm going to do that tomorrow night. I'm a serious
>newbie at Apple 6502 code ... Basic, no problem,
>6502 code - yipe yipe yipe ...
>
>Mental exercise:
>I'd just have to LDA or LDX with the $40 and $20
>and STA or STX at $0304 and $0307, correct?
Right.
And the usually preferable way is to initialize variables
_before_ using them, rather than resetting them after
use. That way if someone wants to work, say, on a
different page, they can just POKE the initializing
instruction immediate values.
-michael
Check out parallel computing for 8-bit Apples on my
Home page: http://members.aol.com/MJMahon/