URL
https://opencores.org/ocsvn/open8_urisc/open8_urisc/trunk
Subversion Repositories open8_urisc
Compare Revisions
- This comparison shows the changes necessary to convert path
/open8_urisc/trunk
- from Rev 286 to Rev 287
- ↔ Reverse comparison
Rev 286 → Rev 287
/VHDL/hd44780_4b.vhd
1,3 → 1,35
-- Copyright (c)2021 Jeremy Seth Henry |
-- All rights reserved. |
-- |
-- Redistribution and use in source and binary forms, with or without |
-- modification, are permitted provided that the following conditions are met: |
-- * Redistributions of source code must retain the above copyright |
-- notice, this list of conditions and the following disclaimer. |
-- * Redistributions in binary form must reproduce the above copyright |
-- notice, this list of conditions and the following disclaimer in the |
-- documentation and/or other materials provided with the distribution, |
-- where applicable (as part of a user interface, debugging port, etc.) |
-- |
-- THIS SOFTWARE IS PROVIDED BY JEREMY SETH HENRY ``AS IS'' AND ANY |
-- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
-- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
-- DISCLAIMED. IN NO EVENT SHALL JEREMY SETH HENRY BE LIABLE FOR ANY |
-- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
-- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
-- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
-- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
-- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
-- THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
-- |
-- VHDL Entity: o8_hd44780_4b |
-- Description: Provides low-level timing of the control signals in 4-bit mode |
-- (required by o8_hd44780_if) |
-- |
-- Revision History |
-- Author Date Change |
------------------ -------- --------------------------------------------------- |
-- Seth Henry 04/12/21 Design Start |
|
library ieee; |
use ieee.std_logic_1164.all; |
use ieee.std_logic_unsigned.all; |
/VHDL/hd44780_8b.vhd
1,3 → 1,35
-- Copyright (c)2021 Jeremy Seth Henry |
-- All rights reserved. |
-- |
-- Redistribution and use in source and binary forms, with or without |
-- modification, are permitted provided that the following conditions are met: |
-- * Redistributions of source code must retain the above copyright |
-- notice, this list of conditions and the following disclaimer. |
-- * Redistributions in binary form must reproduce the above copyright |
-- notice, this list of conditions and the following disclaimer in the |
-- documentation and/or other materials provided with the distribution, |
-- where applicable (as part of a user interface, debugging port, etc.) |
-- |
-- THIS SOFTWARE IS PROVIDED BY JEREMY SETH HENRY ``AS IS'' AND ANY |
-- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
-- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
-- DISCLAIMED. IN NO EVENT SHALL JEREMY SETH HENRY BE LIABLE FOR ANY |
-- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
-- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
-- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
-- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
-- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
-- THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
-- |
-- VHDL Entity: o8_hd44780_if |
-- Description: Provides low-level timing of the control signals in 8-bit mode |
-- (required by o8_hd44780_if) |
-- |
-- Revision History |
-- Author Date Change |
------------------ -------- --------------------------------------------------- |
-- Seth Henry 04/12/21 Design Start |
|
library ieee; |
use ieee.std_logic_1164.all; |
use ieee.std_logic_unsigned.all; |
/VHDL/o8_hd44780_if.vhd
84,7 → 84,7
-- Revision History |
-- Author Date Change |
------------------ -------- --------------------------------------------------- |
-- Seth Henry 04/12/13 Design Start |
-- Seth Henry 04/12/21 Design Start |
|
|
library ieee; |