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Assembler with VHDL User-defined Commands (AVUC) :: Overview

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Details

Name: avuc
Created: Jul 14, 2009
Updated: Dec 20, 2009
SVN Updated: Nov 13, 2009
SVN: Browse
Latest version: download
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Other project properties

Category: System on Chip
Language: VHDL
Development status: Beta
Additional info: Design done, Specification done
WishBone compliant: No
WishBone version: n/a
License: LGPL

Description

Here is proposed a method to implement short structured programs inside an FPGA. The novelty of the proposed method resides in that the commands that constitute the executable program are defined directly by the user in VDHL code. Applying this method, the resolution of a problem can be partitioned in two: on the one hand, the complex hardware functions can be implemented by the VHDL definitions, while, on the other hand, the higher level take of decisions, loops, iterations and conditional branching or testing can be assumed by the executable program.
The user has to follow two steps: first, to define, using VHDL, the commands that form the language, and second, to write the program using the commands that have been defined before.

Future improvements

Implementation of predefined commands call and return, making possible the use of subroutines. This should come with the creation of a simple stack.

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