Re: Implement Double-Res Differently

[steve@dosius.zzn.com (Dosius)]

Holger Picker <pickerh@uni-muenster.de> wrote in message news:<Pine.A41.4.44.0301141023030.104236-100000@zivunix.uni-muenster.de>...
> On Mon, 13 Jan 2003, Bryan Parkoff wrote:
> 
> > Date: Mon, 13 Jan 2003 22:53:02 -0600
> > From: Bryan Parkoff <BParkoff@satx.rr.com>
> > Newsgroups: comp.sys.apple2
> > Subject: Implement Double-Res Differently
> >
> > Implement Double-Res Differently
> >
> >     I know the fact is that 40x24, 80x24, low resolution, and high
> > resolution use 280x192 pixel, but double resolution uses 560x192.  Is it
> > true that one pixel plots in the screen using both main and aux memory page.
> If that was meant to be a question (sorry, I could not fully understand
> the meaning of your sentence.), the answer is: yes, in a certain way. 4
> consecutive bits taken from both main and aux memory form one pixel.
> 
> > I really hate 560x192 pixel in real Apple II and emulator.
> Sorry, but could you, please, add why you hate it? What do you think is wrong
> with it?
> 
> > I love to use 320x280 pixel on all PCs that look like real 560x192 pixel.
> What do you mean by that? How can 320x280 look like "real" 560x192?
> (Which standard PC screen mode do you use for a resolution of 320x280?)
Could he mean 320x200? ... Still, you can't do 560x192 in 320x200.

> 
> > I begin to think another way to implement double resolution differently
> > which it uses 280x192 pixel instead of 560x192 pixel using real 320x280
> > resolution in this emulator project.
> May I ask you, which emulator project are you refering to? Is there a
> homepage for this?
> 
> > Both main and aux memory pages will map into single memory to form
> > one pixel using 280x192 resolution on 320x280 resolution that will look
> > much nicer. What do you think about my idea?
> Are you sure that it will look nicer? AFAIK, most of the programs I know of
> so far do expect a resolution of 560x192, otherwise they won't work. For
> example, have a look at the game "Pirates". The characters on screen become
> totally illegible when seen under a resolution less than 560x192. Other
> examples would be "Test Drive", or "Dragon Wars" (i.e. every program that
> writes characters to the screen).
Obviously Dapple 1.25 (using 140x192 over 320x200) will show this
clearly.  Zork Zero is another example.

> My question therefore is: Even if you have a new emulator that offers a new
> screen resolution mode for the AppleII, you will not have the programs that
> make use of it. So, where is the point? You may dislike the double hires
> resolution, okay, but after all this is how the AppleII was designed.
> 
> > --
> > Yours Truly,
> >
> > Bryan Parkoff
> > BParkoff@satx.rr.com
> >
> Kind regards
> 
> Holger

-uso.