PAL16R6A
PAT1026A
1005 PHI-LOGIC ( LUX MEM SPECIAL )             1985-09-12/\L

CLK   RD'   A4    RFSH' A2    IORQ' A5    M1'   MRQ'  GND
OE'   MEMQ' PH2   TURN' W'    PHI   PHI'  MUX'  IOST' VCC


IF(VCC) /IOST'  = /IORQ'*M1'*/PHI
                + /IORQ'*M1'*/IOST'

         /MUX' := /MRQ'*/PHI
                + /M1'*/IORQ'*/PHI
                + /W'*RD'*PHI
                + /MUX'*PHI

         /PHI' := /PHI

          /PHI := PHI
                + M1'*/MRQ'*/IORQ'*/RFSH'        ;TEST INIT

           /W' := /MRQ'*RD'*RFSH'
                + /M1'*/RD'*MRQ'

        /TURN' := /IORQ'*/RD'*/A5*/A4*/A2
                + /IORQ'*/RD'*A5*/A4
                + /IORQ'*/RD'*/TURN'*PHI
                + /TURN'*/PHI

          /PH2 := PH2*PHI'
                + /PH2*PHI

IF(VCC) /MEMQ'  = /MRQ'*/RFSH'
                + /IORQ'*M1'*A5*/A4
                + /MRQ'*/M1'                     ;TO SUPPORT LUXOR MEMORY


FUNCTION TABLE:

OE' A5 A4 A2 RFSH' M1' MRQ' IORQ' RD' CLK
PHI PHI' PH2 MUX' W' TURN' IOST' MEMQ'

;      R  I            TIM
;      F MO  C  PPP M  UOE
;O AAA SMRRR L  HHH U  RSM
;E 542 H1QQD K  II2 XW NTQ
;'     '''''     '  '' '''
--------------------------
 H HHH LHLLH C  ZZZ ZZ ZXL
 L HHH LHLLH C  LLH LH XLL
 L HHH HHHHH C  HLH HH XHH
 L HHH HHHHH C  LHH HH HHH
; PHI CLOCKS
 L HHH HHHHH C  HLL HH HHH
 L HHH HHHHH C  LHL HH HHH
 L HHH HHHHH C  HLH HH HHH
 L HHH HHHHH C  LHH HH HHH
 L HHH HHHHH C  HLL HH HHH
; INTERNAL MEM WRITE
 L HLH HHHHH C  LHL HH HHH
 L HLH HHLHH C  HLH LL HHH
 L HLH HHLHH C  LHH LL HHH
 L HLH HHHHH C  HLL HH HHH
; FETCH
 L LLL HLHHH C  LHL HH HHH
 L LLL HLLHL C  HLH LH HHL
 L LLL LHHHH C  LHH LH HHH
 L LLL LHLHH C  HLL LH HHL
 L LLL LHLHH C  LHL LH HHL
 L LLL LHHHH C  HLH HH HHH
; INTERRUPT ACKNOLEDGE
 L HLL HLHHH C  LHX HH HHH
 L HLL HLHHH C  HLX HH HHH
 L HLL HLHHH C  LHX HH HHH
 L HLL HLHLH C  HLX LH HHH
 L HLL HHHHH C  LHX LH HHH
 L HLL LHLHH C  HLX LH HHL
 L HLL LHLHH C  LHX LH HHL
 L HLL LHHHH C  HLX HH HHH
; MINI ICE REFRESH
 L HHH LLHHH C  LHX HH HHH
 L HHH HLHHL C  HLX HL HHH
 L HHH LHHHH C  LHX LH HHH
 L HHH LHLHH C  HLX LH HHL
 L HHH LHLHH C  LHX LH HHL
 L HHH LHHHH C  HLX HH HHH
; 4680 WRITE
 L LLL HHHLH C  LHX HH HLH
 L LLL HHHHH C  HLX HH HHH
; EXTERNAL MEMORY WRITE
 L HLH HHHLH C  LHX HH HLL
 L HLH HHHHH C  HLX HH HHH
; 4680 READ
 L LLL HHHLL C  LHX HH LLH
 L LLL HHHHH C  HLX HH LHH
; EXTERNAL MEMORY READ
 L HLL HHHHH C  LHX HH HHH
 L HLL HHHHH C  HLX HH HHH
 L HLL HHHLL C  LHX HH LLL
 L HLL HHHHH C  HLX HH LHH
; INTERNAL IO READS
 L LHL HHHHH C  LHX HH HHH
 L LHL HHHHH C  HLX HH HHH
 L LHL HHHLL C  LHX HH HLH
 L LHL HHHHH C  HLX HH HHH
 L LLH HHHLL C  LHX HH HLH
 L LLH HHHHH C  HLX HH HHH
 L HHL HHHLL C  LHX HH HLH
 L HHL HHHHH C  HLX HH HHH
--------------------------

DESCRIPTION: