Re: My ColourPET Project

I modified edit-4-40-n-50Hz.901498-01.bin.
If you are interested, I could scan a german documented disassembly of 
the DIN editor.

Christian

Am 15.04.2013 20:25, schrieb Steve Gray:
> I am currently disassembling and commenting both 40 and 80 column 
> roms, but I don't have a lot of experience with the DIN roms. I think 
> there is extra code in there.
> Which ROM did you try to modify?
> It seems the following are issues to watch out for:
> - CRTC vs NON-CRTC (not much of an issue now)
> - 9" vs 12" Monitor Size
> - Screen standard (NTSC / PAL / Custom)
>   > First PET had NTSC, rest seem to have custom (ie: 20kHz)
> - 40 / 80 column:
>    > screen line linking
>    > screen line address table
>    > default character set (text / graphics)
> - Keyboard Tables (N / B / DIN / Custom)
>   > Custom - C64 keyboard (see my PET Keyboard Replacement Project)
> - Extra features:
>   >  80 column (windowing, erase to start/end, scroll up/down)
>   > DIN has CTRL key
> - 50/60 Hz:
>   > 50 Hz has additional clock adjustment routine
>   > CRTC registers
> Can anyone think of any other known differences?
> Steve
>
>     *From:* Christian Dirks <Toast_r@IdeaLine.info>
>     *To:* cbm-hackers@musoftware.de
>     *Sent:* Sunday, April 14, 2013 9:09:25 AM
>     *Subject:* Re: My ColourPET Project
>
>     Hi Steve,
>     this would help me. I tried to do it myself, but it only works in
>     part.
>
>     Christian
>
>     Am 13.04.2013 18:23, schrieb Steve Gray:
>>     Hi,
>>     I haven't seen an official one, but if you give me a few days I
>>     can create one for you.
>>     Steve
>>     PS: For those interested in building a ColourPET I have posted a
>>     new edit ROM with correct timing for NTSC monitors, as well as
>>     the CRTC Explorer program on my webpage.
>>
>>         *From:* Christian Dirks mailto:Toast_r@IdeaLine.info
>>         *To:* cbm-hackers@musoftware.de
>>         <mailto:cbm-hackers@musoftware.de>
>>         *Sent:* Friday, April 12, 2013 6:19:01 PM
>>         *Subject:* Re: My ColourPET Project
>>
>>         Am 12.04.2013 16:21, schrieb Steve Gray:
>>         > Actually, it would be nice if someone in PAL country could
>>         help me with the PAL timing values. I will make the software
>>         you see in the screenshots available to download.
>>         Since I have no 4032 around, I am switching a 8032 to 4032.
>>         It has the business keyboard, so I need a editor rom
>>         edit-4-40-b-50Hz.
>>         DIN would be perfect, but I can also use a ascii keyboard.
>>         Does anyone have a suitable .bin around ?
>>
>>         Christian
>>
>>         -- Christian Dirks
>>         Toast_r@Idealine.info <mailto:Toast_r@Idealine.info>
>>
>>
>>
>>               Message was sent through the cbm-hackers mailing list
>>
>>
>
>
>     -- 
>     Christian Dirks
>     Toast_r@Idealine.info  <mailto:Toast_r@Idealine.info>
>
>
>


-- 
Christian Dirks
Toast_r@Idealine.info




       Message was sent through the cbm-hackers mailing list