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Implements a Simple Parallel Port for System09
Defined in VHDL/spp.vhd
Author: John E. Kent
Version: 0.2 from 2010-08-09
| library ieee | |
| use ieee.std_logic_1164.all | |
| use ieee.std_logic_unsigned.all |
| spp_read ( addr, spp_data_reg, spp_stat_reg, spp_ctrl_reg, spp_stat ) | ||||
| spp_write ( clk, rst, addr, cs, rw, data_in, spp_data_reg, spp_ctrl_reg ) | ||||
| Write I/O ports | ||||