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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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--
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--
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-- The Arithmetic Logic Unit (ALU).
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-- The Arithmetic Logic Unit (ALU).
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-- It contains the ALU core plus the Accumulator and the Temp Reg.
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-- It contains the ALU core plus the Accumulator and the Temp Reg.
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--
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--
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-- $Id: alu.vhd,v 1.6 2004-04-07 20:56:23 arniml Exp $
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-- $Id: alu.vhd,v 1.7 2004-04-07 22:09:03 arniml Exp $
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--
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--
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-- Copyright (c) 2004, Arnim Laeuger (arniml@opencores.org)
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-- Copyright (c) 2004, Arnim Laeuger (arniml@opencores.org)
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--
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--
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-- All rights reserved
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-- All rights reserved
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--
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--
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write_temp_reg_i : in boolean;
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write_temp_reg_i : in boolean;
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read_alu_i : in boolean;
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read_alu_i : in boolean;
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-- Decoder Interface ------------------------------------------------------
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-- Decoder Interface ------------------------------------------------------
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carry_i : in std_logic;
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carry_i : in std_logic;
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carry_o : out std_logic;
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carry_o : out std_logic;
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aux_carry_i : in std_logic;
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aux_carry_o : out std_logic;
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aux_carry_o : out std_logic;
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alu_op_i : in alu_op_t;
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alu_op_i : in alu_op_t;
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use_carry_i : in boolean;
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use_carry_i : in boolean;
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da_low_i : in boolean;
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da_high_i : in boolean;
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da_high_i : in boolean;
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da_overflow_o : out boolean;
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da_overflow_o : out boolean;
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accu_low_i : in boolean;
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accu_low_i : in boolean;
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p06_temp_reg_i : in boolean;
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p06_temp_reg_i : in boolean;
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p60_temp_reg_i : in boolean
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p60_temp_reg_i : in boolean
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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-- File History:
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-- File History:
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--
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--
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-- $Log: not supported by cvs2svn $
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-- $Log: not supported by cvs2svn $
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-- Revision 1.6 2004/04/07 20:56:23 arniml
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-- default assignment for aux_carry_o
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--
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-- Revision 1.5 2004/04/06 20:21:53 arniml
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-- Revision 1.5 2004/04/06 20:21:53 arniml
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-- fix sensitivity list
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-- fix sensitivity list
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--
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--
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-- Revision 1.4 2004/04/06 18:10:41 arniml
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-- Revision 1.4 2004/04/06 18:10:41 arniml
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-- rework adder and force resource sharing between ADD, INC and DEC
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-- rework adder and force resource sharing between ADD, INC and DEC
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