Path: utzoo!attcan!uunet!cs.utexas.edu!tut.cis.ohio-state.edu!uc!shamash!timbuk!cs.umn.edu!dmshq!com50!kksys!orbit!marilyn!shawn From: shawn@marilyn.UUCP (Shawn P. Stanley) Newsgroups: comp.sys.apple2 Subject: Re: Apple can't keep up with 2400 baud Message-ID: <50@marilyn.UUCP> Date: 26 Jun 90 13:07:17 GMT References: <90Jun23.130844edt.57939@ugw.utcs.utoronto.ca> Reply-To: shawn@marilyn.marilyn.mn.org (Shawn P. Stanley) Organization: Litfal Lines: 21 In article <90Jun23.130844edt.57939@ugw.utcs.utoronto.ca> GRAY@ADMIN.HumberC.ON.CA (Kelly Gray) writes: >I don't think that there is ANY 80 column card that the Apple can run fast >enough to keep up with even a 1200 baud modem... >...You don't say which model of Apple II you are using, but it sounds like it >might be a II+. I wrote a terminal program for the Apple II+ a long, long time ago that might be able to keep up, but I wrote it for the hi-res graphics mode (it uses 70 characters per line, and it can be read fine on a monitor). The problem is, it works with the Micromodem II alone. I know I have the S-C Assembler source code somewhere, though. What I did was poll the modem input during character output and in various stages during scrolling. I put all the incoming characters in a buffer to be processed later. This same method can be applied to non-interrupt-driven text/modem I/O on an 80-column screen, if you write your own scroll routines. -- Shawn P. Stanley shawn@marilyn.marilyn.mn.org bungia!marilyn!shawn {rosevax,crash}!orbit!marilyn!shawn