isa_lpt.hier_info

这也是8255的设计,不知道是否好使,希望得到验证

|isa_lpt
ISA_RESET => ~NO_FANOUT~
ISA_D[0] <= ISA_D~8
ISA_D[1] <= ISA_D~9
ISA_A[0] => Equal~0.IN39
ISA_A[0] => Equal~1.IN39
ISA_A[0] => Equal~2.IN39
ISA_A[0] => Equal~3.IN39
ISA_A[1] => Equal~0.IN38
ISA_A[1] => Equal~1.IN38
ISA_A[1] => Equal~2.IN38
ISA_A[1] => Equal~3.IN38
ISA_A[2] => Equal~0.IN37
ISA_A[2] => Equal~1.IN37
ISA_A[2] => Equal~2.IN37
ISA_A[2] => Equal~3.IN37
ISA_A[3] => Equal~0.IN36
ISA_A[3] => Equal~1.IN36
ISA_A[3] => Equal~2.IN36
ISA_A[3] => Equal~3.IN36
ISA_A[4] => Equal~0.IN35
ISA_A[4] => Equal~1.IN35
ISA_A[4] => Equal~2.IN35
ISA_A[4] => Equal~3.IN35
ISA_A[5] => Equal~0.IN34
ISA_A[5] => Equal~1.IN34
ISA_A[5] => Equal~2.IN34
ISA_A[5] => Equal~3.IN34
ISA_A[6] => Equal~0.IN33
ISA_A[6] => Equal~1.IN33
ISA_A[6] => Equal~2.IN33
ISA_A[6] => Equal~3.IN33
ISA_A[7] => Equal~0.IN32
ISA_A[7] => Equal~1.IN32
ISA_A[7] => Equal~2.IN32
ISA_A[7] => Equal~3.IN32
ISA_A[8] => Equal~0.IN31
ISA_A[8] => Equal~1.IN31
ISA_A[8] => Equal~2.IN31
ISA_A[8] => Equal~3.IN31
ISA_A[9] => Equal~0.IN30
ISA_A[9] => Equal~1.IN30
ISA_A[9] => Equal~2.IN30
ISA_A[9] => Equal~3.IN30
ISA_A[10] => Equal~0.IN29
ISA_A[10] => Equal~1.IN29
ISA_A[10] => Equal~2.IN29
ISA_A[10] => Equal~3.IN29
ISA_A[11] => Equal~0.IN28
ISA_A[11] => Equal~1.IN28
ISA_A[11] => Equal~2.IN28
ISA_A[11] => Equal~3.IN28
ISA_A[12] => Equal~0.IN27
ISA_A[12] => Equal~1.IN27
ISA_A[12] => Equal~2.IN27
ISA_A[12] => Equal~3.IN27
ISA_A[13] => Equal~0.IN26
ISA_A[13] => Equal~1.IN26
ISA_A[13] => Equal~2.IN26
ISA_A[13] => Equal~3.IN26
ISA_A[14] => Equal~0.IN25
ISA_A[14] => Equal~1.IN25
ISA_A[14] => Equal~2.IN25
ISA_A[14] => Equal~3.IN25
ISA_A[15] => Equal~0.IN24
ISA_A[15] => Equal~1.IN24
ISA_A[15] => Equal~2.IN24
ISA_A[15] => Equal~3.IN24
ISA_A[16] => Equal~0.IN23
ISA_A[16] => Equal~1.IN23
ISA_A[16] => Equal~2.IN23
ISA_A[16] => Equal~3.IN23
ISA_A[17] => Equal~0.IN22
ISA_A[17] => Equal~1.IN22
ISA_A[17] => Equal~2.IN22
ISA_A[17] => Equal~3.IN22
ISA_A[18] => Equal~0.IN21
ISA_A[18] => Equal~1.IN21
ISA_A[18] => Equal~2.IN21
ISA_A[18] => Equal~3.IN21
ISA_A[19] => Equal~0.IN20
ISA_A[19] => Equal~1.IN20
ISA_A[19] => Equal~2.IN20
ISA_A[19] => Equal~3.IN20
ISA_IOR => LPT_ACK_CS.IN0
ISA_IOR => LPT_BUSY_CS.IN1
ISA_READY <= ISA_READY~1
ISA_IOW => LPT_STOB_CS.IN0
ISA_IOW => LPT_DATA_CS~1.IN0
ISA_AEN => LPT_ACK_CS~0.IN0
ISA_AEN => LPT_BUSY_CS~0.IN0
ISA_AEN => LPT_STOB_CS~0.IN0
ISA_AEN => LPT_DATA_CS~0.IN0
LPT_RESET <= <GND>
LPT_BUSY => ISA_D~8.DATAIN
LPT_ACK => ISA_D~9.DATAIN
LPT_STOB <= LPT_STOB_CS.DB_MAX_OUTPUT_PORT_TYPE
LPT_D[0] <= DATA_reg[0].DB_MAX_OUTPUT_PORT_TYPE
LPT_D[1] <= DATA_reg[1].DB_MAX_OUTPUT_PORT_TYPE
LPT_D[2] <= DATA_reg[2].DB_MAX_OUTPUT_PORT_TYPE
LPT_D[3] <= DATA_reg[3].DB_MAX_OUTPUT_PORT_TYPE
LPT_D[4] <= DATA_reg[4].DB_MAX_OUTPUT_PORT_TYPE
LPT_D[5] <= DATA_reg[5].DB_MAX_OUTPUT_PORT_TYPE
LPT_D[6] <= DATA_reg[6].DB_MAX_OUTPUT_PORT_TYPE
LPT_D[7] <= DATA_reg[7].DB_MAX_OUTPUT_PORT_TYPE
DIR0 <= <GND>
DIR8 <= <VCC>
DIR16 <= <GND>
a0 <= <GND>
a1 <= <GND>
a2 <= <GND>
a3 <= <GND>
a4 <= <GND>
a5 <= <GND>