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[/] [t48/] [tags/] [rel_0_6_beta/] [rtl/] [vhdl/] [t48_comp_pack-p.vhd] - Rev 335
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------------------------------------------------------------------------------- -- -- $Id: t48_comp_pack-p.vhd,v 1.9 2005-06-11 10:08:43 arniml Exp $ -- -- Copyright (c) 2004, 2005, Arnim Laeuger (arniml@opencores.org) -- -- All rights reserved -- ------------------------------------------------------------------------------- library ieee; use ieee.std_logic_1164.all; use work.t48_alu_pack.alu_op_t; use work.t48_cond_branch_pack.branch_conditions_t; use work.t48_cond_branch_pack.comp_value_t; use work.t48_decoder_pack.mnemonic_t; use work.t48_dmem_ctrl_pack.dmem_addr_ident_t; use work.t48_pmem_ctrl_pack.pmem_addr_ident_t; use work.t48_pack.dmem_addr_t; use work.t48_pack.pmem_addr_t; use work.t48_pack.mstate_t; use work.t48_pack.word_t; use work.t48_pack.nibble_t; package t48_comp_pack is component t48_alu port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; data_i : in word_t; data_o : out word_t; write_accu_i : in boolean; write_shadow_i : in boolean; write_temp_reg_i : in boolean; read_alu_i : in boolean; carry_i : in std_logic; carry_o : out std_logic; aux_carry_o : out std_logic; alu_op_i : in alu_op_t; use_carry_i : in boolean; da_high_i : in boolean; da_overflow_o : out boolean; accu_low_i : in boolean; p06_temp_reg_i : in boolean; p60_temp_reg_i : in boolean ); end component; component t48_bus_mux port ( alu_data_i : in word_t; bus_data_i : in word_t; dec_data_i : in word_t; dm_data_i : in word_t; pm_data_i : in word_t; p1_data_i : in word_t; p2_data_i : in word_t; psw_data_i : in word_t; tim_data_i : in word_t; data_o : out word_t ); end component; component t48_clock_ctrl generic ( xtal_div_3_g : integer := 1 ); port ( clk_i : in std_logic; xtal_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; xtal3_o : out boolean; t0_o : out std_logic; multi_cycle_i : in boolean; assert_psen_i : in boolean; assert_prog_i : in boolean; assert_rd_i : in boolean; assert_wr_i : in boolean; mstate_o : out mstate_t; second_cycle_o : out boolean; ale_o : out boolean; psen_o : out boolean; prog_o : out boolean; rd_o : out boolean; wr_o : out boolean ); end component; component t48_cond_branch port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; compute_take_i : in boolean; branch_cond_i : in branch_conditions_t; take_branch_o : out boolean; accu_i : in word_t; t0_i : in std_logic; t1_i : in std_logic; int_n_i : in std_logic; f0_i : in std_logic; f1_i : in std_logic; tf_i : in std_logic; carry_i : in std_logic; comp_value_i : in comp_value_t ); end component; component t48_db_bus port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; ea_i : in std_logic; data_i : in word_t; data_o : out word_t; write_bus_i : in boolean; read_bus_i : in boolean; output_pcl_i : in boolean; bidir_bus_i : in boolean; pcl_i : in word_t; db_i : in word_t; db_o : out word_t; db_dir_o : out std_logic ); end component; component t48_decoder generic ( register_mnemonic_g : integer := 1 ); port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; ea_i : in std_logic; ale_i : in boolean; int_n_i : in std_logic; t0_dir_o : out std_logic; data_i : in word_t; data_o : out word_t; alu_write_accu_o : out boolean; alu_write_shadow_o : out boolean; alu_write_temp_reg_o : out boolean; alu_read_alu_o : out boolean; bus_write_bus_o : out boolean; bus_read_bus_o : out boolean; dm_write_dmem_addr_o : out boolean; dm_write_dmem_o : out boolean; dm_read_dmem_o : out boolean; p1_write_p1_o : out boolean; p1_read_p1_o : out boolean; p2_write_p2_o : out boolean; p2_write_exp_o : out boolean; p2_read_p2_o : out boolean; pm_write_pcl_o : out boolean; pm_read_pcl_o : out boolean; pm_write_pch_o : out boolean; pm_read_pch_o : out boolean; pm_read_pmem_o : out boolean; psw_read_psw_o : out boolean; psw_read_sp_o : out boolean; psw_write_psw_o : out boolean; psw_write_sp_o : out boolean; alu_carry_i : in std_logic; alu_op_o : out alu_op_t; alu_da_high_o : out boolean; alu_accu_low_o : out boolean; alu_da_overflow_i : in boolean; alu_p06_temp_reg_o : out boolean; alu_p60_temp_reg_o : out boolean; alu_use_carry_o : out boolean; bus_output_pcl_o : out boolean; bus_bidir_bus_o : out boolean; clk_multi_cycle_o : out boolean; clk_assert_psen_o : out boolean; clk_assert_prog_o : out boolean; clk_assert_rd_o : out boolean; clk_assert_wr_o : out boolean; clk_mstate_i : in mstate_t; clk_second_cycle_i : in boolean; cnd_compute_take_o : out boolean; cnd_branch_cond_o : out branch_conditions_t; cnd_take_branch_i : in boolean; cnd_comp_value_o : out comp_value_t; cnd_f1_o : out std_logic; cnd_tf_o : out std_logic; dm_addr_type_o : out dmem_addr_ident_t; tim_read_timer_o : out boolean; tim_write_timer_o : out boolean; tim_start_t_o : out boolean; tim_start_cnt_o : out boolean; tim_stop_tcnt_o : out boolean; p1_read_reg_o : out boolean; p2_read_reg_o : out boolean; p2_read_exp_o : out boolean; p2_output_pch_o : out boolean; p2_output_exp_o : out boolean; pm_inc_pc_o : out boolean; pm_write_pmem_addr_o : out boolean; pm_addr_type_o : out pmem_addr_ident_t; psw_special_data_o : out std_logic; psw_carry_i : in std_logic; psw_aux_carry_i : in std_logic; psw_f0_i : in std_logic; psw_inc_stackp_o : out boolean; psw_dec_stackp_o : out boolean; psw_write_carry_o : out boolean; psw_write_aux_carry_o : out boolean; psw_write_f0_o : out boolean; psw_write_bs_o : out boolean; tim_overflow_i : in boolean ); end component; component t48_dmem_ctrl port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; data_i : in word_t; write_dmem_addr_i : in boolean; write_dmem_i : in boolean; read_dmem_i : in boolean; addr_type_i : in dmem_addr_ident_t; bank_select_i : in std_logic; data_o : out word_t; dmem_data_i : in word_t; dmem_addr_o : out dmem_addr_t; dmem_we_o : out std_logic; dmem_data_o : out word_t ); end component; component t48_int port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; clk_mstate_i : in mstate_t; jtf_executed_i : in boolean; tim_overflow_i : in boolean; tf_o : out std_logic; en_tcnti_i : in boolean; dis_tcnti_i : in boolean; int_n_i : in std_logic; ale_i : in boolean; last_cycle_i : in boolean; en_i_i : in boolean; dis_i_i : in boolean; ext_int_o : out boolean; tim_int_o : out boolean; retr_executed_i : in boolean; int_executed_i : in boolean; int_pending_o : out boolean; int_in_progress_o : out boolean ); end component; component t48_opc_table port ( opcode_i : in word_t; multi_cycle_o : out std_logic; mnemonic_o : out mnemonic_t ); end component; component t48_opc_decoder generic ( register_mnemonic_g : integer := 1 ); port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; data_i : in word_t; read_bus_i : in boolean; inj_int_i : in boolean; opcode_o : out word_t; mnemonic_o : out mnemonic_t; multi_cycle_o : out boolean ); end component; component t48_timer generic ( sample_t1_state_g : integer := 4 ); port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; t1_i : in std_logic; clk_mstate_i : in mstate_t; data_i : in word_t; data_o : out word_t; read_timer_i : in boolean; write_timer_i : in boolean; start_t_i : in boolean; start_cnt_i : in boolean; stop_tcnt_i : in boolean; overflow_o : out std_logic ); end component; component t48_p1 port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; data_i : in word_t; data_o : out word_t; write_p1_i : in boolean; read_p1_i : in boolean; read_reg_i : in boolean; p1_i : in word_t; p1_o : out word_t; p1_low_imp_o : out std_logic ); end component; component t48_p2 port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; data_i : in word_t; data_o : out word_t; write_p2_i : in boolean; write_exp_i : in boolean; read_p2_i : in boolean; read_reg_i : in boolean; read_exp_i : in boolean; output_pch_i : in boolean; output_exp_i : in boolean; pch_i : in nibble_t; p2_i : in word_t; p2_o : out word_t; p2_low_imp_o : out std_logic ); end component; component t48_pmem_ctrl port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; data_i : in word_t; data_o : out word_t; write_pcl_i : in boolean; read_pcl_i : in boolean; write_pch_i : in boolean; read_pch_i : in boolean; inc_pc_i : in boolean; write_pmem_addr_i : in boolean; addr_type_i : in pmem_addr_ident_t; read_pmem_i : in boolean; pmem_addr_o : out pmem_addr_t; pmem_data_i : in word_t ); end component; component t48_psw port ( clk_i : in std_logic; res_i : in std_logic; en_clk_i : in boolean; data_i : in word_t; data_o : out word_t; read_psw_i : in boolean; read_sp_i : in boolean; write_psw_i : in boolean; write_sp_i : in boolean; special_data_i : in std_logic; inc_stackp_i : in boolean; dec_stackp_i : in boolean; write_carry_i : in boolean; write_aux_carry_i : in boolean; write_f0_i : in boolean; write_bs_i : in boolean; carry_o : out std_logic; aux_carry_i : in std_logic; aux_carry_o : out std_logic; f0_o : out std_logic; bs_o : out std_logic ); end component; end t48_comp_pack;
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