I've used the Keil compiler extensively.  I'm happy with it, and have found
it easy to use.  The latest version has a greatly improved user interface,
and the compiler IDE is more tightly integrated with the hardware simulator
(debugger).  Personally, I would suggest you get the simulator / debugger,
if you can afford to.  We tend to work as follows (1) compile; (2) run using
the simulator; (3) run on an evaluation board / breadboard (4) run in the
final system.  The simulator can pick up many bugs before you start using
the hardware.

I haven't yet been able to get samples of the DS89C420 (in the UK).  I look
forward to doing so in the next few months: it's an interesting chip.

Michael.

----- Original Message -----
From: Edson Brusque <ebrusque@TERRA.COM.BR>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Wednesday, April 18, 2001 3:44 PM
Subject: [OT]: Keil C51 compiler and the new Dallas DS89C420


> Hello,
>
>     anyone here is using the Keil compiler?
>
>     Is it really good?
>
>     It costs US$ 4.265,19 here in Brazil (8051 Professional Developer's
Kit
> DOS & Windows C51 Compiler, C51 Special Libraries, A51 Assembler, BL51
> Banking Linker, RTX-51 Tiny, dScope-51 Simulator Windows & DOS,
Monitor-51,
> mVision Windows, IShell for DOS), but do I need all these tools? It's
pretty
> expensive.
>
>     I need a powerfull controller for a new project, so I was thinking
about
> the 50MIPS DS89C420. Anyone used it?
>
>     Thank you,
>
>     Brusque
>
> -----------------------------------
> Edson Brusque
> Research and Development
> C.I.Tronics Lighting Designers Ltda
> (47) 323-2685  /  (47) 9993-6453
> Blumenau  -  SC  -  Brazil
> www.citronics.com.br
> -----------------------------------
>
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