Re: [oc] 8051 VHDL models search

[xingtu_2000@yahoo.com]

Hi,
   I came across this web by chance. Can I have the source code(VHDL) 
for Mayer's 80C51 model. It would be very helpful to me. Thanks.
My email is xingtu_2000@yahoo.com

Regards,

James


----- Original Message ----- 
From: akfoo@h...  
To: cores@o...  
Date: Mon, 26 Nov 2001 03:57:47 +0100 
Subject: Re: [oc] 8051 VHDL models search 

> 
> 
> JM: 
>     Thank for your information again. I will going to look for the 
> book that 
> you recomemded. :-) 
>     By the way, I still haven't received your attached zip file for 
> the 
> sources of Mayer's 8051 VHDL (synthesizable). Could you please send 
> it 
> to me again? For your information, my email address is as below: 
>     akfoo_uk@h...  
> 
>     If I have any latest information for it, I will forward to you 
> as well. :-) 
> 
>     Thank alot!! 
> 
> Best regard, 
> Alex 
> 
> 
> ----- Original Message ----- 
> From: Jean Masson <Jean.Masson@l... > 
> To: cores@o... 
> Date: Sat, 24 Nov 2001 15:02:07 +0100 
> Subject: Re: [oc] 8051 VHDL models search 
> 
> > 
> > 
> > Hello Alex, 
> > 
> > I beleeved that you had already found the sources in Hamburg 
> WEB 
> > site. Sorry ! 
> > 
> > I send you an attached zip with the sources of Mayer's 8051 
> VHDL 
> > code. 
> > This is a behavioural VHDL architecture, but it follows 8051's 
> true 
> > 12 cycles clock. Other models I 
> > know don't. 
> > After compiling package and removing a non synthetisable 
> statement 
> > FILE, the source compiles 
> > without errors with Xilinx's dev pack. It remains only 
> warnings for 
> > non synthetisable constructs 
> > like impure functions, etc. 
> > This is a work of eliminating all simulation specific 
> constructs. 
> > 
> > There is a possible problem with undefined instruction E5H 
> wich 
> > executes a NULL in Mayer's code. 
> > For synthesis it is 
> > necessary to do an incrementation of PC. So, I have mixed this 
> > instruction with NOP in the main 
> > CASE. With a genuine 
> > 8051, this code executes also a carry set. Other MCS51 members 
> > treat E5H as a NOP. I follow this 
> > policy. 
> > 
> > We are working on a structural/data flow mix of architectures 
> for 
> > the 8051 core. This is a 
> > student's project sheduled for 
> > february 2002. I work on 8051's ALU implementation following 
> ideas 
> > found in the book of André 
> > STAUFFER : 
> > Systèmes numériques cablés et microprogrammés, Presses 
> > Polytechniques Romandes (a Swiss book). 
> > This is a good book. It exists perhaps in English. You may 
> found 
> > equivalent ones directly in 
> > English (consult catalog of 
> > Kluwer Academic Press, they edit excellent books on VHDL and 
> logic 
> > synthesis). 
> > 
> > Good work and best regards, 
> > 
> > Jean MASSON 
> > 
> > akfoo_uk@h...  a écrit : 
> > 
> > > Hi JM. 
> > >        Do you still remember me? I have download those 
> source 
> > code 
> > > according to your information provide. Thank for your 
> help!! 
> > :-) 
> > >        Regarding your question, I think there are only 
> those 
> > open source 
> > > code in internet. Those others are need to buy/pay for 
> their 
> > source 
> > > code. If you are interesting on it, you may go and look 
> as URL 
> > shown 
> > > below: 
> > >        http://www.dcd.pl/english/ipcores.htm 
> > >        
> http://www.design-reuse.com/EXCHANGER/cast_8051.shtml 
> > > 
> > >        Hope it will help for you there. :-) 
> > > 
> > >        Recently I been study the whole source code. Could 
> you 
> > send me 
> > > the synthesizable VHDL comportemental model of Dr. Mayer 
> to me 
> > since 
> > > it got to remove a lot of unsynthesizable VHDL code, and 
> I'm 
> > just a new 
> > > on it? Thank a lot!! 
> > > 
> > > ----- Original Message ----- 
> > > From: Jean Masson <Jean.Masson@l... > 
> > > To: cores@o... 
> > > Date: Thu, 11 Oct 2001 14:40:29 +0200 
> > > Subject: [oc] 8051 VHDL models search 
> > > 
> > > > 
> > > > 
> > > > Hello, 
> > > > 
> > > > I search VHDL models (structural if possible) of the 
> 8051 
> > > > microcontroller 
> > > > family. I have found an entry in your server on this 
> > topic, but 
> > > > with 
> > > > nothing inside. 
> > > > I have downloaded the files of Dalton Project 
> (University 
> > of 
> > > > California) 
> > > > and 
> > > > the VHDL comportemental model of Dr. Mayer. Did you 
> know 
> > another 
> > > > files ? 
> > > > 
> > > > This if for a students' project. 
> > > > 
> > > > Thank you for your help. 
> > > > 
> > > > Best regards. 
> > > > 
> > > > Dr. Jean MASSON 
> > > > 
> > > 
> > 
> > <P>zip00000.zip</P> 
> > 
> 
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