Date   : Wed, 16 Jan 1991 06:03:18 GMT
From   : cs.utexas.edu!ut-emx!austex!roadhog@CS.YALE.EDU (Lindsay Haisley)
Subject: CP/M & MBASIC question

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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