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[/] [t400/] [trunk/] [rtl/] [vhdl/] [t400_pack-p.vhd] - Diff between revs 176 and 179

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Rev 176 Rev 179 
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--
 
--
 
-- $Id: t400_pack-p.vhd,v 1.4 2008-05-01 19:51:47 arniml Exp $
 
-- $Id: t400_pack-p.vhd 179 2009-04-01 19:48:38Z arniml $
 
--
 
--
 
-- Copyright (c) 2006, Arnim Laeuger (arniml@opencores.org)
 
-- Copyright (c) 2006, Arnim Laeuger (arniml@opencores.org)
 
--
 
--
 
-- All rights reserved
 
-- All rights reserved
 
--
 
--
 
-------------------------------------------------------------------------------
 
-------------------------------------------------------------------------------
 
 
 
 
 
library ieee;
 
library ieee;
 
use ieee.std_logic_1164.all;
 
use ieee.std_logic_1164.all;
 
use ieee.numeric_std.all;
 
use ieee.numeric_std.all;
 
 
 
 
 
package t400_pack is
 
package t400_pack is
 
 
 
 
 
  -- Byte ---------------------------------------------------------------------
 
  -- Byte ---------------------------------------------------------------------
 
  subtype byte_t     is std_logic_vector(7 downto 0);
 
  subtype byte_t     is std_logic_vector(7 downto 0);
 
 
 
 
 
  -- Data word ----------------------------------------------------------------
 
  -- Data word ----------------------------------------------------------------
 
  subtype dw_t       is std_logic_vector(3 downto 0);
 
  subtype dw_t       is std_logic_vector(3 downto 0);
 
 
 
 
 
  -- Misc ranges --------------------------------------------------------------
 
  -- Misc ranges --------------------------------------------------------------
 
  subtype dw_range_t is natural range dw_t'range;
 
  subtype dw_range_t is natural range dw_t'range;
 
  subtype b_range_t  is natural range 5 downto 0;
 
  subtype b_range_t  is natural range 5 downto 0;
 
  subtype br_range_t is natural range 5 downto 4;
 
  subtype br_range_t is natural range 5 downto 4;
 
  subtype bd_range_t is natural range 3 downto 0;
 
  subtype bd_range_t is natural range 3 downto 0;
 
 
 
 
 
  -- B address ----------------------------------------------------------------
 
  -- B address ----------------------------------------------------------------
 
  subtype b_t        is std_logic_vector(b_range_t);
 
  subtype b_t        is std_logic_vector(b_range_t);
 
  subtype br_t       is std_logic_vector(br_range_t);
 
  subtype br_t       is std_logic_vector(br_range_t);
 
  subtype bd_t       is std_logic_vector(bd_range_t);
 
  subtype bd_t       is std_logic_vector(bd_range_t);
 
 
 
 
 
 
 
 
 
  -- Program counter ----------------------------------------------------------
 
  -- Program counter ----------------------------------------------------------
 
  subtype pc_t       is unsigned(9 downto 0);
 
  subtype pc_t       is unsigned(9 downto 0);
 
 
 
 
 
  -- Data memory address vector -----------------------------------------------
 
  -- Data memory address vector -----------------------------------------------
 
  subtype dm_addr_t  is std_logic_vector(5 downto 0);
 
  subtype dm_addr_t  is std_logic_vector(5 downto 0);
 
 
 
 
 
  -- Decoder data -------------------------------------------------------------
 
  -- Decoder data -------------------------------------------------------------
 
  subtype dec_data_t is std_logic_vector(pc_t'range);
 
  subtype dec_data_t is std_logic_vector(pc_t'range);
 
 
 
 
 
  -- Program counter operations -----------------------------------------------
 
  -- Program counter operations -----------------------------------------------
 
  type    pc_op_t    is (PC_NONE,
 
  type    pc_op_t    is (PC_NONE,
 
                         PC_INC_PC,
 
                         PC_INC_PC,
 
                         PC_LOAD_6, PC_LOAD_7, PC_LOAD_8, PC_LOAD,
 
                         PC_LOAD_6, PC_LOAD_7, PC_LOAD_8, PC_LOAD,
 
                         PC_POP,
 
                         PC_POP,
 
                         PC_LOAD_A_M,
 
                         PC_LOAD_A_M,
 
                         PC_INT);
 
                         PC_INT);
 
 
 
 
 
  -- Data memory controller operations ----------------------------------------
 
  -- Data memory controller operations ----------------------------------------
 
  type    dmem_op_t  is (DMEM_RB,
 
  type    dmem_op_t  is (DMEM_RB,
 
                         DMEM_WB_SRC_Q, DMEM_WB_SRC_DEC, DMEM_WB_SRC_A,
 
                         DMEM_WB_SRC_Q, DMEM_WB_SRC_DEC, DMEM_WB_SRC_A,
 
                         DMEM_RDEC,
 
                         DMEM_RDEC,
 
                         DMEM_WB_SET_BIT, DMEM_WB_RES_BIT,
 
                         DMEM_WB_SET_BIT, DMEM_WB_RES_BIT,
 
                         DMEM_WDEC_SRC_A);
 
                         DMEM_WDEC_SRC_A);
 
  type    b_op_t     is (B_NONE,
 
  type    b_op_t     is (B_NONE,
 
                         B_SET_BD, B_SET_BR,
 
                         B_SET_BD, B_SET_BR,
 
                         B_SET_B, B_SET_B_INC,
 
                         B_SET_B, B_SET_B_INC,
 
                         B_XOR_BR,
 
                         B_XOR_BR,
 
                         B_INC_BD,
 
                         B_INC_BD,
 
                         B_DEC_BD);
 
                         B_DEC_BD);
 
 
 
 
 
  -- Stack operations ---------------------------------------------------------
 
  -- Stack operations ---------------------------------------------------------
 
  type    stack_op_t is (STACK_NONE,
 
  type    stack_op_t is (STACK_NONE,
 
                         STACK_PUSH,
 
                         STACK_PUSH,
 
                         STACK_POP);
 
                         STACK_POP);
 
 
 
 
 
  -- ALU operations -----------------------------------------------------------
 
  -- ALU operations -----------------------------------------------------------
 
  type    alu_op_t   is (ALU_NONE,
 
  type    alu_op_t   is (ALU_NONE,
 
                         ALU_CLRA,
 
                         ALU_CLRA,
 
                         ALU_LOAD_M,
 
                         ALU_LOAD_M,
 
                         ALU_LOAD_Q, ALU_LOAD_G, ALU_LOAD_IN, ALU_LOAD_IL,
 
                         ALU_LOAD_Q, ALU_LOAD_G, ALU_LOAD_IN, ALU_LOAD_IL,
 
                         ALU_LOAD_BR, ALU_LOAD_BD,
 
                         ALU_LOAD_BR, ALU_LOAD_BD,
 
                         ALU_LOAD_SIO,
 
                         ALU_LOAD_SIO,
 
                         ALU_ADD, ALU_ADD_10, ALU_ADD_C, ALU_ADD_DEC,
 
                         ALU_ADD, ALU_ADD_10, ALU_ADD_C, ALU_ADD_DEC,
 
                         ALU_COMP,
 
                         ALU_COMP,
 
                         ALU_RC, ALU_SC,
 
                         ALU_RC, ALU_SC,
 
                         ALU_XOR);
 
                         ALU_XOR);
 
 
 
 
 
  -- Skip operations ----------------------------------------------------------
 
  -- Skip operations ----------------------------------------------------------
 
  type    skip_op_t  is (SKIP_NONE,
 
  type    skip_op_t  is (SKIP_NONE,
 
                         SKIP_UPDATE,
 
                         SKIP_UPDATE,
 
                         SKIP_NOW,
 
                         SKIP_NOW,
 
                         SKIP_CARRY, SKIP_C,
 
                         SKIP_CARRY, SKIP_C,
 
                         SKIP_BD_UFLOW, SKIP_BD_OFLOW,
 
                         SKIP_BD_UFLOW, SKIP_BD_OFLOW,
 
                         SKIP_LBI,
 
                         SKIP_LBI,
 
                         SKIP_A_M,
 
                         SKIP_A_M,
 
                         SKIP_G_ZERO, SKIP_G_BIT,
 
                         SKIP_G_ZERO, SKIP_G_BIT,
 
                         SKIP_M_BIT,
 
                         SKIP_M_BIT,
 
                         SKIP_TIMER,
 
                         SKIP_TIMER,
 
                         SKIP_PUSH, SKIP_POP);
 
                         SKIP_PUSH, SKIP_POP);
 
 
 
 
 
  -- IO L port operations -----------------------------------------------------
 
  -- IO L port operations -----------------------------------------------------
 
  type    io_l_op_t  is (IOL_NONE,
 
  type    io_l_op_t  is (IOL_NONE,
 
                         IOL_LOAD_AM, IOL_LOAD_PM,
 
                         IOL_LOAD_AM, IOL_LOAD_PM,
 
                         IOL_OUTPUT_L,
 
                         IOL_OUTPUT_L,
 
                         IOL_OUTPUT_Q);
 
                         IOL_OUTPUT_Q);
 
 
 
 
 
  -- IO D port operations -----------------------------------------------------
 
  -- IO D port operations -----------------------------------------------------
 
  type    io_d_op_t  is (IOD_NONE,
 
  type    io_d_op_t  is (IOD_NONE,
 
                         IOD_LOAD);
 
                         IOD_LOAD);
 
 
 
 
 
  -- IO G port operations -----------------------------------------------------
 
  -- IO G port operations -----------------------------------------------------
 
  type    io_g_op_t  is (IOG_NONE,
 
  type    io_g_op_t  is (IOG_NONE,
 
                         IOG_LOAD_M,
 
                         IOG_LOAD_M,
 
                         IOG_LOAD_DEC);
 
                         IOG_LOAD_DEC);
 
 
 
 
 
  -- IO IN port operations ----------------------------------------------------
 
  -- IO IN port operations ----------------------------------------------------
 
  type    io_in_op_t is (IOIN_NONE,
 
  type    io_in_op_t is (IOIN_NONE,
 
                         IOIN_INIL,
 
                         IOIN_INIL,
 
                         IOIN_INTACK);
 
                         IOIN_INTACK);
 
 
 
 
 
  -- SIO operations -----------------------------------------------------------
 
  -- SIO operations -----------------------------------------------------------
 
  type    sio_op_t   is (SIO_NONE,
 
  type    sio_op_t   is (SIO_NONE,
 
                         SIO_LOAD);
 
                         SIO_LOAD);
 
 
 
 
 
end t400_pack;
 
end t400_pack;
 
 
 
 
 
 
 
 
 
-------------------------------------------------------------------------------
 
 
 
-- File History:
 
 
 
--
 
 
 
-- $Log: not supported by cvs2svn $
 
 
 
-- Revision 1.3  2006/05/27 19:16:52  arniml
 
 
 
-- interrupt functionality added
 
 
 
--
 
 
 
-- Revision 1.2  2006/05/22 00:01:21  arniml
 
 
 
-- operations for IN port added
 
 
 
--
 
 
 
-- Revision 1.1.1.1  2006/05/06 01:56:45  arniml
 
 
 
-- import from local CVS repository, LOC_CVS_0_1
 
 
 
--
 
 
 
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