RE: ez80

1999-09-27 Thread Boon, Eric

 eZ80 main target group is the embedded software. For such appliances 
 (microwaves, laundry machines, cars, smartcards, etc), having 
 a TCP/IP stack in hardware can be very interesting...
 It can make the OS more lean and mean 
 which is very important for embedded software.

As far as I can tell from the datasheets, the TCP/IP stack is
not implemented in hardware - so it must be some software
solution offered by ZiLOG.
 
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Re: ez80

1999-09-27 Thread Frengo

On Sun, 26 Sep 1999 16:26:37 +0200, Alex Wulms wrote:

]  Internet-Ready. A complete TCP/IP stack is also offered so customers can
]  design products that connect to the Internet. 
] 
] I think Zilog means they offer sourcecode of a TCP/IP stack, it seems 
] a bit illogical to hardcode that in a CPU since it should be at OS 
] level.
eZ80 main target group is the embedded software. For such appliances 
(microwaves, laundry machines, cars, smartcards, etc), having a TCP/IP stack 
in hardware can be very interesting... It can make the OS more lean and mean 
which is very important for embedded software.

I think it's a little different, the Tcp/Ip stack is not hardcode, but software...

From Zilog's brochure : " The eZ80 is internet ready. ZILOG can provide a complete 
TCP/IP stack,
allowing for rapid internet connectivity."

But what you say it's true, the target are embedded machines , general purpose cards 
or 
specified ones, but not a personal computer.


by Frengo

Miri Software MSX Computer System Italy
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HomePage :http://Frengo.dragonfire.net/MSX.HTM
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Re: ez80

1999-09-26 Thread Alex Wulms

]  Internet-Ready. A complete TCP/IP stack is also offered so customers can
]  design products that connect to the Internet. 
] 
] I think Zilog means they offer sourcecode of a TCP/IP stack, it seems 
] a bit illogical to hardcode that in a CPU since it should be at OS 
] level.
eZ80 main target group is the embedded software. For such appliances 
(microwaves, laundry machines, cars, smartcards, etc), having a TCP/IP stack 
in hardware can be very interesting... It can make the OS more lean and mean 
which is very important for embedded software.

But ofcourse, having a source code available for a 'new' cpu, so that you can 
build it directly into your embedded OS is also very convenient.

Kind regards,
Alex Wulms

-- 
Alex Wulms/XelaSoft - MSX of anders NIX - Linux 4 ever
See my homepage for info on the  *** XSA *** format
http://www.inter.nl.net/users/A.P.Wulms




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Re: ez80

1999-09-24 Thread Tristan

 Internet-Ready. A complete TCP/IP stack is also offered so customers can
 design products that connect to the Internet. 

I think Zilog means they offer sourcecode of a TCP/IP stack, it seems 
a bit illogical to hardcode that in a CPU since it should be at OS 
level.




Tristan 

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Re: ez80

1999-09-23 Thread Jacco Bot

Detailed description from the ZIlog pdf file.. the 16MB part is quite 
interesting...

Z80 High-Performance Microprocessor Core. The eZ80 is one of the fastest 
8-bit CPUs available today, executing code 4 times faster than a standard 
Z80 operating at the same clock speed. The increased processing efficiency 
can be used to improve available bandwidth or to decrease power consumption.
Both the increased clock speed and processor efficiency features provides 
eZ80 customers 16 times the processing performance. This processing power 
rivals performance customers would normally expect from 16-bit 
microprocessors.

16 MB Linear Address. The eZ80 is also the first 8-bit microprocessor to 
support 16 MB linear addressing—a feature that addresses large memories that 
support complex software applications.
Each software module, or each task under a real-time executive or operating 
system, can operate in Z80-compatible (64 KB) mode, Z80180-compatible mode 
(1 MB MMU) mode, or full 24-bit (16 MB) address mode.

Internet-Ready. A complete TCP/IP stack is also offered so customers can 
design products that connect to the Internet.
Multiply and Accumulate. A Multiply and Accumulate engine operates in
parallel with the eZ80 processor to calculate a sum of products that is the 
core of digital signal processing. The MAC provides 16x16 multiply and 
40-bit accumulation.

ZDI. The ZiLOG Debug Interface is a 2-pin communication port. When used with 
the ZiLOG Develop Suite (ZDS) software, ZDI provides on-chip emulation.


From: Antoni Burguera Burguera [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: ez80
Date: Tue, 21 Sep 1999 16:51:19 +0200

"Boon, Eric" ha escrit:

  According to Zilog, the specifications are still under construction,
  and they specifically warn that product deliverability may be a problem.
  Not quite the recommendations for starting the zilion-and-first
  MSX-3 project...

If eZ80 is fully compatible with Z80, perhaps will be possible replace
Z80 with eZ80 in existing MSX...

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RE: ez80

1999-09-21 Thread Boon, Eric

Greetinx
 
 would it be possible to use the new Z80 (the eZ80, by Zilog) for MSX?
 According to Zilog the eZ80 is 4 times faster than a 'normal' Z80.

According to Zilog, the specifications are still under construction,
and they specifically warn that product deliverability may be a problem.
Not quite the recommendations for starting the zilion-and-first
MSX-3 project...

Eric


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Re: ez80

1999-09-21 Thread Thom Zwagers

 According to Zilog, the specifications are still under construction,
 and they specifically warn that product deliverability may be a problem.
 Not quite the recommendations for starting the zilion-and-first
 MSX-3 project...

Haha, please show me the other zilion MSX3 projects! No just kidding, I'm
certainly not intending to design a NGMSX. I'm just curious. BTW, Zilog
says on http://www.zilog.com the eZ80 will be 100% compatible with the
Z80. Also a lot of eZ80-internet-blabla overthere, but I'm sure you've
already read that.

Byebye,
Thom  


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RE: ez80

1999-09-21 Thread Boon, Eric

Hoi!

 Haha, please show me the other zilion MSX3 projects! 

MMSX, MSX380, ACE00x ...

 No just kidding, I'm certainly not intending to design a NGMSX.

Ok /me sits back, relaxed ;-)

 I'm just curious. BTW, Zilog says on http://www.zilog.com
 the eZ80 will be 100% compatible with the Z80.

If it's 100% compatible, 't would be no problem, I guess. You'll
just have to make sure that the eZ80 will _always_ run in Z80
mode (or in virtual Z80 and then run 4 or more MSX'es simultaneously
;-P)

 Also a lot of eZ80-internet-blabla overthere, but I'm sure you've
already read that.

Yep - ftp-ed and printed it all...

Ciao,

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Re: ez80

1999-09-21 Thread Antoni Burguera Burguera

"Boon, Eric" ha escrit:

 According to Zilog, the specifications are still under construction,
 and they specifically warn that product deliverability may be a problem.
 Not quite the recommendations for starting the zilion-and-first
 MSX-3 project...

If eZ80 is fully compatible with Z80, perhaps will be possible replace
Z80 with eZ80 in existing MSX...

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Re: ez80, ACE

1999-09-21 Thread Pablo Vasques Bravo-Villalba

   Buy the way, do you know what means ACE? Ademir Carchano Extended. :)

Wasn't that meant to be a secret? :)))

[]s, 
`:) Parn
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