Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!aplcen!haven!udel!new From: new@udel.EDU (Darren New) Newsgroups: comp.sys.amiga Subject: Re: Difficulty in programming Message-ID: <20990@estelle.udel.EDU> Date: 4 Jun 90 16:17:43 GMT References: <2487@zipeecs.umich.edu> <1990Jun2.063414.10292@agate.berkeley.edu> Reply-To: new@ee.udel.edu (Darren New) Organization: University of Delaware Lines: 12 In article <1990Jun2.063414.10292@agate.berkeley.edu> laba-1ei@e260-2f (Joseph Chung) writes: >In an IBM (no flames please!), if I want to put a character anywhere on the >screen, I just >1. load a segment register with the segment of the screen. >2. write the proper byte to the screen location (using a simple offset) (In >short, is a basic POKE command!) Uh huh. And what exactly is the segment register for the screen? Last I looked, even the two original available screens (CGA and Monochrome) did not have the same base segment for the screen memory. Lets take a different example: wait five seconds on any computer running MS-dos. -- Darren