isa_lpt.qsf

这也是8255的设计,不知道是否好使,希望得到验证

# Copyright (C) 1991-2005 Altera Corporation
# Your use of Altera Corporation's design tools, logic functions 
# and other software and tools, and its AMPP partner logic       
# functions, and any output files any of the foregoing           
# (including device programming or simulation files), and any    
# associated documentation or information are expressly subject  
# to the terms and conditions of the Altera Program License      
# Subscription Agreement, Altera MegaCore Function License       
# Agreement, or other applicable license agreement, including,   
# without limitation, that your use is for the sole purpose of   
# programming logic devices manufactured by Altera and sold by   
# Altera or its authorized distributors.  Please refer to the    
# applicable agreement for further details.


# The default values for assignments are stored in the file
#		isa_lpt_assignment_defaults.qdf
# If this file doesn't exist, and for assignments not listed, see file
#		assignment_defaults.qdf

# Altera recommends that you do not modify this file. This
# file is updated automatically by the Quartus II software
# and any changes you make may be lost or overwritten.


# Project-Wide Assignments
# ========================
set_global_assignment -name ORIGINAL_QUARTUS_VERSION 5.0
set_global_assignment -name PROJECT_CREATION_TIME_DATE "10:36:54  NOVEMBER 03, 2005"
set_global_assignment -name LAST_QUARTUS_VERSION 5.1
set_global_assignment -name VERILOG_FILE isa_lpt.v

# Pin & Location Assignments
# ==========================
set_location_assignment PIN_96 -to ISA_AEN
set_location_assignment PIN_120 -to ISA_A[0]
set_location_assignment PIN_119 -to ISA_A[1]
set_location_assignment PIN_118 -to ISA_A[2]
set_location_assignment PIN_115 -to ISA_A[3]
set_location_assignment PIN_114 -to ISA_A[4]
set_location_assignment PIN_113 -to ISA_A[5]
set_location_assignment PIN_112 -to ISA_A[6]
set_location_assignment PIN_104 -to ISA_A[7]
set_location_assignment PIN_103 -to ISA_A[8]
set_location_assignment PIN_101 -to ISA_A[9]
set_location_assignment PIN_143 -to ISA_A[10]
set_location_assignment PIN_142 -to ISA_A[11]
set_location_assignment PIN_141 -to ISA_A[12]
set_location_assignment PIN_139 -to ISA_A[13]
set_location_assignment PIN_137 -to ISA_A[14]
set_location_assignment PIN_136 -to ISA_A[15]
set_location_assignment PIN_135 -to ISA_A[16]
set_location_assignment PIN_134 -to ISA_A[17]
set_location_assignment PIN_133 -to ISA_A[18]
set_location_assignment PIN_132 -to ISA_A[19]
set_location_assignment PIN_92 -to ISA_D[0]
set_location_assignment PIN_87 -to ISA_D[1]
set_location_assignment PIN_86 -to ISA_D[2]
set_location_assignment PIN_79 -to ISA_D[3]
set_location_assignment PIN_76 -to ISA_D[4]
set_location_assignment PIN_75 -to ISA_D[5]
set_location_assignment PIN_74 -to ISA_D[6]
set_location_assignment PIN_73 -to ISA_D[7]
set_location_assignment PIN_93 -to ISA_IOR
set_location_assignment PIN_94 -to ISA_IOW
set_location_assignment PIN_125 -to ISA_RESET
set_location_assignment PIN_43 -to LPT_BUSY
set_location_assignment PIN_42 -to LPT_ACK
set_location_assignment PIN_53 -to LPT_RESET
set_location_assignment PIN_55 -to LPT_STOB
set_location_assignment PIN_9 -to LPT_D[0]
set_location_assignment PIN_24 -to LPT_D[1]
set_location_assignment PIN_25 -to LPT_D[2]
set_location_assignment PIN_28 -to LPT_D[3]
set_location_assignment PIN_30 -to LPT_D[4]
set_location_assignment PIN_31 -to LPT_D[5]
set_location_assignment PIN_32 -to LPT_D[6]
set_location_assignment PIN_8 -to LPT_D[7]
set_location_assignment PIN_7 -to dir0
set_location_assignment PIN_40 -to dir8
set_location_assignment PIN_52 -to dir16
set_location_assignment PIN_71 -to ISA_READY
set_location_assignment PIN_72 -to ISA_IOCS16

# Analysis & Synthesis Assignments
# ================================
set_global_assignment -name FAMILY "Cyclone II"
set_global_assignment -name TOP_LEVEL_ENTITY isa_lpt

# Fitter Assignments
# ==================
set_global_assignment -name DEVICE EP2C5T144C8
set_global_assignment -name CYCLONEII_RESERVE_NCEO_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name RESERVE_ALL_UNUSED_PINS "AS INPUT TRI-STATED"
set_global_assignment -name RESERVE_ASDO_AFTER_CONFIGURATION "AS OUTPUT DRIVING AN UNSPECIFIED SIGNAL"
set_global_assignment -name STRATIX_DEVICE_IO_STANDARD LVTTL
set_global_assignment -name ERROR_CHECK_FREQUENCY_DIVISOR 1

# Assembler Assignments
# =====================
set_global_assignment -name RESERVE_ALL_UNUSED_PINS_NO_OUTPUT_GND "AS INPUT TRI-STATED"

set_global_assignment -name STRATIX_CONFIGURATION_DEVICE EPCS1
set_location_assignment PIN_57 -to a0
set_location_assignment PIN_58 -to a1
set_location_assignment PIN_59 -to a2
set_location_assignment PIN_60 -to a3
set_location_assignment PIN_63 -to a4
set_location_assignment PIN_64 -to a5