Help me design an 8 bit CPU with VHDL

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i need to design 8 bit cpu with minimum 20 instruction,2 mode of addressing,at least 2 register. I'm learning vhdl myself and I think it will be help in designing my cpu..i don't need to implement on development...just i need to show the rtl, timing diagrams...
thank you
 

Re: vhdl cpu??

Search for the book :Microprocessor_Design_VHDL_MAZ onthis forum.

you can also visit: www.opencores.org

kind regards
 

Re: vhdl cpu??

Hello!!!
I was able to simulate 16 bit cpu in protel dxp 2004 using

vhdl language. The codes are from "VHDLrogramming by Example" book

which I download from rapidshare...but i forgot the link.
The protel dxp fpga project of cpu is attached.
 

Re: vhdl cpu??

Hi
may this book will help you out
Microprocessor Design with VHDL d\l from this link
h**p://rapidshare.de/files/7260676/Microprocessor_Design_VHDL_MAZ.rar.html
also you can make use of Xilinxs picoblaze which is a simple 8-bit µP
just logon to h**p://www.xilinx.com/picoblaze

Cheers
 

vhdl cpu??

Get this book : Computer Organization and Design: The Hardware
Software Interface by Patterson and Hennessy.... It presents a detailed explaination of datapath/control unit design ...
 

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