Acorn BBC Micro on an Altera DE1 FPGA board
VHDL
Fetching latest commit…
Cannot retrieve the latest commit at this time.
Permalink
Failed to load latest commit information.
T65 Updated T65 CPU core from https://svn.pacedev.net/repos/pace/sw/src/c… Jul 29, 2011
sn76489-1.0
CII_Starter_pin_assignments.csv
README
bbc_micro.qpf
bbc_micro_de1.qsf
bbc_micro_de1.vhd
bbc_micro_de1_tb.vhd
debugger.vhd
i2c_loader.vhd
i2s_intf.vhd
keyboard.odg
keyboard.png
keyboard.txt
keyboard.vhd
m6522.vhd
m6522_tb.vhd
mc6845.vhd
pll32.ppf
pll32.qip
pll32.vhd
ps2_intf.vhd
saa5050.vhd
saa5050_rom.qip
saa5050_rom.vhd
seg7.vhd
vidproc.vhd

README

Acorn BBC Micro on an Altera DE1 Cyclone II FPGA board
------------------------------------------------------

http://www.mike-stirling.com/retro-fpga/bbc-micro-on-an-fpga/
(C) 2011-2016 Mike Stirling

Uses components from:

T65 implementation from http://www.fpgaarcade.com/resources/T65_v302.zip (bug fixes from PACE dev)
M6522 implementation from FPGA arcade VIC20 design.  Various bug fixes added locally.
SN76489 implementation by Arnim Laeuger and obtained from FPGA arcade


-- BBC Micro for Altera DE1
--
-- Copyright (c) 2011 Mike Stirling
--
-- All rights reserved
--
-- Redistribution and use in source and synthezised 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 synthesized 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.
--
-- * Neither the name of the author nor the names of other contributors may
--   be used to endorse or promote products derived from this software without
--   specific prior written agreement from the author.
--
-- * License is granted for non-commercial use only.  A fee may not be charged
--   for redistributions as source code or in synthesized/hardware form without 
--   specific prior written agreement from the author.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE AUTHOR OR CONTRIBUTORS 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.