Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!ut-emx!austex!roadhog
From: roadhog@austex (Lindsay Haisley)
Newsgroups: comp.os.cpm
Subject: Re: CP/M & MBASIC question
Message-ID: <8ZRuV1w163w@austex>
Date: 16 Jan 91 06:03:18 GMT
References: <77348@unix.cis.pitt.edu>
Organization: The Texas Feedlot
Lines: 26

kwgst@unix.cis.pitt.edu (Filip Gieszczykiewicz) writes:

> 	1) Is there a command in Miscrosoft BASIC (M-80) that will
> 	clear the screen and home the cursor? I have all docs but they
> 	say nothing.

The clear screen command for the Kaypro 10 is ^Z, aka 1b hex, aka CHR$(26)
in Basic, I think.  Any way you can send this to the screen will work.

> 	2) I have a simple CLS.COM program that is about 15 bytes long
> 	that clears the screen. Now, I DUMPed it and converted the
> 	hex to decimal and poked those values from within BASIC.
> 	When I CALL it, it clears the screen and does a "Warm Boot"
> 	[bummer]. Anyways, I got rid of the JMP 0000h (for the
> 	warm boot) but now in hangs. [bummer^2] Arghh... Good lord,
> 	even my Apple ][+ has a HOME command! ;-)

You have to change the JMP 0 to a RET (C9 hex).  This will return 
program control to the CCP rather than to the BIOS warm boot.


"Everything works if you let it!"
 ---  Travis J. Redfish
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