PAL20R4A
PAT1045
NS32081 in DataBoard SBC1009                                1985-02-13/\L
                                      (FUNCTION TABLE       1985-02-17/\L)
CLK   A2    A1    A0    FC1   FC2   A19   A18   A17   A16   A15   GND
OE'   AS'   D0    LBE'  DONE' ESPC' C0'   C1'   SPC'  HBE'  R     VCC


IF(VCC)    /HBE' = /FC1 */AS' * R   */A19 * A18 * A17 * A16 */A15
                        * A2  */A1  */A0

IF(VCC)    /LBE' = /FC1 */AS' * R   */A19 * A18 * A17 * A16 */A15
                        * A2  */A1  * A0

           /C1' := /C0'

           /C0' := /FC1 */AS' */R   */A19 * A18 * A17 * A16 */A15
                        * A2  * A1  * A0  * C1'
                 + /FC1 */AS' * R   */A19 * A18 * A17 * A16 */A15
                        * A2  */A1  */A0  * C1'

         /ESPC' := /FC1 */AS' */R   */A19 * A18 * A17 * A16 */A15
                        * A2  * A1  * A0  * C1'
                 + /FC1 */AS' * R   */A19 * A18 * A17 * A16 */A15
                        * A2  */A1  */A0
                 + /ESPC'*/C0'* C1'
                 + /ESPC'*/C0'* R

         /DONE' :=  ESPC'*/SPC'
                 +  ESPC'*/DONE'
                 +  A1   */DONE'

IF(/FC1*/AS'*R*/A19*A18*A17*A16*/A15*A2*A1*/A0) /D0 =  DONE'

IF(/ESPC') /SPC' = /C0' * C1' */R
                 + /C0' * R

FUNCTION TABLE:

OE' FC2 FC1 A19 A18 A17 A16 A15 A2 A1 A0 AS' R CLK
SPC' ESPC' C1' C0' DONE' D0 HBE' LBE'

;                     E  D
;  FF AAAAA       C  SS  O HL
;O CC 11111 AAA A L  PPCCNDBB
;E 21 98765 210 SRK  CC10E0EE
;'              '    ''''' ''
-----------------------------
; INIT
 H XL LLLLL LLL HHC  XZZZZZHH
 L XL LLLLL LLL HHC  HXXHXZHH
 L XL LLLLL LLL HHC  HHHHXZHH
; READ CYCLE
 L XL LHHHL HLL LHC  LLHLXZLH
 L XL LHHHL HLL LHC  LLLLHZLH
 L XL LHHHL HLL LHC  HLLHHZLH
 L XL LHHHL HLL HHC  HHHHHZHH
 L XL LHHHL HLH LHC  HHHHHZHL
 L XL LHHHL HLH HHC  HHHHHZHH
; NO OP TESTS
 L XL LHHHL HLL LLC  HHHHHZHH
 L XL LHHHL HLH LLC  HHHHHZHH
 L XL LHHHL HHH LHC  HHHHHZHH
 L XL LHHHL LLL LHC  HHHHHZHH
 L XL LHHHL LLH LHC  HHHHHZHH
 L XL LHHHH HLL LHC  HHHHHZHH
 L XL LHHHH HLH LHC  HHHHHZHH
 L XL LHHLL HLL LHC  HHHHHZHH
 L XL LHHLL HLH LHC  HHHHHZHH
 L XL LHLHL HLL LHC  HHHHHZHH
 L XL LHLHL HLH LHC  HHHHHZHH
 L XL LLHHL HLL LHC  HHHHHZHH
 L XL LLHHL HLH LHC  HHHHHZHH
 L XL HHHHL HLL LHC  HHHHHZHH
 L XL HHHHL HLH LHC  HHHHHZHH
 L XH LHHHL HLL LHC  HHHHHZHH
 L XH LHHHL HLH LHC  HHHHHZHH
 L XL LHHHL HHH LHC  HHHHHZHH
 L XL LHHHL HHL LLC  HHHHHZHH
 L XL LHHHL HLH LLC  HHHHHZHH
 L XL LHHHL LHH LLC  HHHHHZHH
 L XL LHHHH HHH LLC  HHHHHZHH
 L XL LHHLL HHH LLC  HHHHHZHH
 L XL LHLHL HHH LLC  HHHHHZHH
 L XL LLHHL HHH LLC  HHHHHZHH
 L XL HHHHL HHH LLC  HHHHHZHH
 L XH LHHHL HHH LLC  HHHHHZHH
; READ DONE
 L XL LHHHL HHL LHC  HHHHHLHH
; SPC PULSE (=DONE)
 L XL LHHHL HHL HHC  LHHHLZHH
; WRITE CYCLE
 L XL LHHHL HHL LLC  HHHHLZHH
 L XL LHHHL HHL HLC  HHHHLZHH
 L XL LHHHL HHH LLC  LLHLLZHH
 L XL LHHHL HHH LLC  HLLLLZHH
 L XL LHHHL HHH LLC  HHLHLZHH
 L XL LHHHL HHH HLC  HHHHLZHH
; READ DONE
 L XL LHHHL HHL LHC  HHHHLHHH
; READ CYCLE
 L XL LHHHL HLL LHC  LLHLLZLH
 L XL LHHHL HLL LHC  LLLLHZLH
 L XL LHHHL HLL LHC  HLLHHZLH
 L XL LHHHL HLL HHC  HHHHHZHH
 L XL LHHHL HLH LHC  HHHHHZHL
 L XL LHHHL HLH HHC  HHHHHZHH
-----------------------------

DESCRIPTION: Done cleared on next read operation.
Operation    Size  Address  Addr. Space
readxfer     word   77F14   any data
writexfer    word   77F16   any data
readstatus   word   77F24   any data
writeID      word   77F36   any data
readDONE     byte   77F06   any data