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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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--! KL8E Serial 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 KL8E Serial Interface device.
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--!
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--! \file
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--! kl8e_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 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.uart_types.all; --! UART Types
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use work.dev_types.all; --! Device Types
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--
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--! Type definitions required for KL8E.
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--
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package kl8e_types is
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--!
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--! TTY Device Numbers
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--!
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constant tty1devNUM : devNUM_t := o"03"; --! 603x, 604x
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constant tty2devNUM : devNUM_t := o"40"; --! 640x, 641x
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constant lprdevNUM : devNUM_t := o"65"; --! 665x, 666x
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--!
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--! Keyboard IOTs
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--!
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constant opKCF : devOP_t := o"0"; --! 6xx0 : Clear Keyboard Flag
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constant opKSF : devOP_t := o"1"; --! 6xx1 : Skip On Keyboard Flag
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constant opKCC : devOP_t := o"2"; --! 6xx2 : Clear Keyboard Flag, Clear AC
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constant opKRS : devOP_t := o"4"; --! 6xx4 : OR Keyboard Character into AC
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constant opKIE : devOP_t := o"5"; --! 6xx5 : Set/Clr Interrupt Enable
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constant opKRB : devOP_t := o"6"; --! 6xx6 : Get Keyboard Character into AC, Clear Keyboard Flag
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--!
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--! Teleprinter IOTs
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--!
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constant opTFL : devOP_t := o"0"; --! 6xx0: Set Tramsmit Flag
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constant opSPF : devOP_t := o"0"; --! 6xx0: Set Printer Flag
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constant opTSF : devOP_t := o"1"; --! 6xx1: Skip On Transmit Flag
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constant opTCF : devOP_t := o"2"; --! 6xx2: Clear Transmit flag, but not the AC
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constant opTPC : devOP_t := o"4"; --! 6xx4: Load AC into transmit buffer, but don't clear flag
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constant opTSK : devOP_t := o"5"; --! 6xx5: Skip on keyboard/printer interrupt request
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constant opTLS : devOP_t := o"6"; --! 6xx6: Load AC into transmit buffer and clear the flag
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end kl8e_types;
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