> > On Wed, Jul 23, 2008 at 9:29 AM, <silverdr@inet.com.pl> wrote: > > Don't get me wrong but the code in question didn't require any kind of > > "special treatment" on any of the compilers/platforms I used in the past. > > Well, yeah, but there's a big difference between "it works on several > varieties of UNIX and DOS" and "it's portable across C > implementations". Different sets of commonalities. I mean, does it > work on Atari 8-bit computers? Apple II? NES? :) > > I agree that it's unfortunate that the Commodore 64 display driver > doesn't have a way of sending the cursor back to the first column via > a CHROUT call. (The Commodore 128 one does, although you have to send > two characters, ESC followed by J.) > On some machines I have seen it implemented in one of two ways: 1: Issue a regular CR then a CURSOR UP. 2: Implement a new interface to screen memory. The first is trivial to do, you just need to check that the output is really actually going to the screen. -- Andrew J. Kroll Software and Hardware Engineer and Consultant Grafixoft http://dr.ea.ms/HW/ ---------------------------------------------------------------------- To unsubscribe from the list send mail to majordomo@musoftware.de with the string "unsubscribe cc65" in the body(!) of the mail.Received on Wed Jul 23 19:17:45 2008
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