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-------------------------------------------------------------------
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--!
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--! PDP-8 Processor
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--!
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--! \brief
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--! LS8E Printer Interface Type Definitions
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--!
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--! \details
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--! This package contains all the type information that is
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--! required to use the LS8E Printer Interface device.
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--!
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--! \file
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--! ls8e_types.vhd
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--!
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--! \author
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--! Rob Doyle - doyle (at) cox (dot) net
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--!
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--------------------------------------------------------------------
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--
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-- Copyright (C) 2009, 2010, 2011, 2012 Rob Doyle
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--
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-- This source file may be used and distributed without
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-- restriction provided that this copyright statement is not
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-- removed from the file and that any derivative work contains
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-- the original copyright notice and the associated disclaimer.
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--
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-- This source file is free software; you can redistribute it
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-- and/or modify it under the terms of the GNU Lesser General
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-- Public License as published by the Free Software Foundation;
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-- version 2.1 of the License.
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--
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-- This source is distributed in the hope that it will be
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-- useful, but WITHOUT ANY WARRANTY; without even the implied
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-- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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-- PURPOSE. See the GNU Lesser General Public License for more
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-- details.
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--
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-- You should have received a copy of the GNU Lesser General
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-- Public License along with this source; if not, download it
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-- from http://www.gnu.org/licenses/lgpl.txt
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--
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--------------------------------------------------------------------
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--
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-- Comments are formatted for doxygen
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--
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library ieee;
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use ieee.std_logic_1164.all;
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use work.dev_types.all;
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--
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--! Type definitions required for LS8E.
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--
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package ls8e_types is
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--!
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--! LPR Device Numbers
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--!
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constant prndevNUM : devNUM_t := o"66"; --! 666x
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--!
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--! Printer IOTs
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--! There don't seem to be mnemonics for LS8E IOTs.
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--! Numbers will be used to avoid any confustion.
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constant opLS0 : devOP_t := o"0"; --! 6xx0 : Set Printer Flag
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constant opLS1 : devOP_t := o"1"; --! 6xx1 : Skip On Printer Flag
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constant opLS2 : devOP_t := o"2"; --! 6xx2 : Clear Printer Flag
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constant opLS3 : devOP_t := o"3"; --! 6xx3 : (LE8 Only)
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constant opLS4 : devOP_t := o"4"; --! 6xx4 : Load Printer Buffer
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constant opLS5 : devOP_t := o"5"; --! 6xx5 : Set/Clear Interrupt Enable
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constant opLS6 : devOP_t := o"6"; --! 6xx6 : Load Printer Buffer Sequence
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constant opLS7 : devOP_t := o"7"; --! 6xx7 : (LE8 Only)
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end ls8e_types;
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