Re: Inverse Problem on Contiki - JPG File attached

["Glenn Jones" <rg.jones@rogers.com>]

"Bill Garber" <willy46pa@comcast.net> wrote in message
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>
> "Rubywand" <rubywand@swbell.net> wrote in message
> 404BB340.4ED379A7@swbell.net">news:404BB340.4ED379A7@swbell.net...
> : Glenn Jones wrote:
> : >
> : > "Simon Williams" <see_sig_for_valid_email@no.spam> wrote in
> message
> : >
> 1ga9zor.1riws1xqmnebkN%see_sig_for_valid_email@no.spam">news:1ga9zor.1riws1xqmnebkN%see_sig_for_valid_email@no.spam...
> : > > Glenn Jones <rg.jones@rogers.com> wrote:
> : > >
> : > > > Has anybody else figured out what the problem is with
> : > > > highlighted text (Inverse) on the Apple II port of
> Contiki?
> : > >
> : > > There's an Apple II port of Contiki???
> : > > Details... ?
> :  ....
> : > All I did was download the V1.0 source, cc65 and a windows
> make
> : > binary. I looked through Google and found previous posts from
> : > Chris and others about the problems they encountered and I
> applied
> : > their suggestions to the source code and was able to compile
> it.
> : > The screen shot you see is that code running on kegs.
> :  ....
> : > Next on the list is the inverse problem ....I could not find
> : > anything on the various mailing lists or Goolge about that so
> far.
> :  ....
> : If you are sending 7-bit ASCII Text to the Apple II display
> : with the high bit = 0, you will probably get inverse or
> flashing
> : characters. To get a normal "A", you would send a $C1 (193
> decimal).
> :
> : If you are in 80 column mode and print a CONTROL-O-- CHR$(15)--
> ,
> : that could switch ON Inverse.
> :
> : Another way you might slip into inverse is including an "I" in
> a
> : command string to the monitor.
> :
> : Rubywand
>
> Standard characters on the PC are 7-bit or high-bit=0.
> To send them to the Apple II you must add 128 or AND $80
> beforehand or they will appear inverse. I have at least
> a half dozen books on the shelf from Apple II to IIgs
> that contains the Apple ASCII set. Probably that many
> more in boxes still. If you'd like I can scan in some
> very important charts like that and post them on my
> web site. Say the word folks. Tell me what info or
> chart you'd like to see there.  8o)
>
> Bill @ GarberStreet Enterprizez };-)
> Web Site - http://garberstreet.netfirms.com
> Email - willy4SPAM6pa@comXcast.net
> Remove - SPAM and X to contact me
>
>
>
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I just tweaked to something .. it is the lower case letters that are being
messed up, the uppercase characters are inversed correctly.

I can get kegs to display lowercase inversed characters after doing a PR#3
then running a quick basic test 10 INVERSE: Print "Hello"

The same test in 40 column mode prints H%,,/ (inversed)

Hmm have to look at the character output routine next ...


Glenn