Acorn BBC Micro on an Altera DE1 FPGA board
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T65
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.