Dual-monitor systems

 BBS: Inland Empire Archive
Date: 10-16-92 (08:02)             Number: 377
From: HARRY GISH                   Refer#: NONE
  To: JERRY HUNTER                  Recvd: NO  
Subj: Dual-monitor systems           Conf: (2) Quik_Bas

 JH> I know the guys at MickeySoft routinely use both monochrome AND vga
 JH> concurrently, editing source on the mono tube
It's got to be do-able. The VGA (or any color monitor) and mono (MDA or
Hercules) use different hardware ports and memory addresses
so it's a reasonably simple process. If you want to get a
feel for how it works, get ahold of a demo version of our
compiler, ZBasic. To switch between mono and color text
screen addressing just use MODE 2 or MODE 3 (there are dual
monitor demo programs in the demo package). To switch
between the monitors without clearing use MODE 514 and MODE
515.

The next upgrade of the compiler is planned to support
program tracing on the alternate monitor.

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