PAL16R6
PAT1023
X36 IO INTERFACE STROBE HANDLER                     1984-03-19/OEL
                                                                                
PCLK R A3 A2 A1 FC2 FC1 FC0 GDS' GND
OE' WZ80' ACK IOC' MINT5' MINT2' RZ80' IOQ' NMIA' VCC
                                                                                
                                                                                
IF(VCC) /NMIA'  = FC0*FC1*FC2*A1*A2*A3*/GDS'
                                                                                
         /IOQ' := /GDS'*IOQ'*/MINT2'*/IOC' +
                  /GDS'*IOQ'*/MINT5'*/IOC' +
                  /GDS'*IOQ'*FC0*/FC1*IOC' +
                  /GDS'*/IOQ'*IOC'
                                                                                
        /RZ80' := R*/GDS'*IOQ'*FC0*/FC1*IOC' +
                  R*/GDS'*/RZ80'*IOC'
                                                                                
       /MINT2' := /GDS'*MINT2'*FC0*FC1*FC2*/A1*A2*/A3 +
                  /GDS'*IOQ'*/MINT2'*/IOC' +
                  /GDS'*/MINT2'*IOC'
                                                                                
       /MINT5' := /GDS'*MINT5'*FC0*FC1*FC2*A1*/A2*A3 +
                  /GDS'*IOQ'*/MINT5'*/IOC' +
                  /GDS'*/MINT5'*IOC'
                                                                                
         /IOC' := /IOQ' +
                  /MINT2'*IOC' +
                  /MINT5'*IOC'
                                                                                
          /ACK := GDS' +
                  /R*IOQ' +
                  R*/IOQ'*/IOC' +
                  R*MINT2'*MINT5'*/FC0*/IOC' +
                  IOQ'*MINT2'*MINT5'*/FC0 +
                  IOQ'*FC0*FC1*FC2*IOC'
                                                                                
IF(VCC) /WZ80'  = /R*/IOQ'
                                                                                
                                                                                
FUNCTION TABLE:
                                                                                
PCLK OE' R A3 A2 A1 FC2 FC1 FC0 GDS'
NMIA' MINT5' MINT2' WZ80' RZ80' IOQ' IOC' ACK
                                                                                
;                 MM
;                NII WR
;P            G  MNN ZZII
;CO       FFF D  ITT 88OO A
;LE   AAA CCC S  A52 00QC C
;K' R 321 210 '  ''' '''' K
----------------------------
 CL H LLL HHL H  HHH HHHX X
 CL H LLL HHL H  HHH HHHH L
; IO WRITE (FAST DS*)
 CL L XXX XLH H  HHH HHHH L
 CL L XXX XLH L  HHH LHLH L
 CL L XXX XLH L  HHH LHLL H
 CL L XXX XLH L  HHH HHHL H
 CL L XXX XLH H  HHH HHHH L
; IO WRITE (SLOW DS*)
 CL L XXX XLH H  HHH HHHH L
 CL L XXX XLH L  HHH LHLH L
 CL L XXX XLH L  HHH LHLL H
 CL L XXX XLH L  HHH HHHL H
 CL L XXX XLH L  HHH HHHH L
 CL L XXX XLH H  HHH HHHH L
; IO READ (FAST DS*)
 CL H XXX XLH H  HHH HHHH L
 CL H XXX XLH L  HHH HLLH H
 CL H XXX XLH L  HHH HLLL H
 CL H XXX XLH H  HHH HHHL L
 CL H XXX XLH H  HHH HHHH L
; IO READ (SLOW DS*)
 CL H XXX XLH H  HHH HHHH L
 CL H XXX XLH L  HHH HLLH H
 CL H XXX XLH L  HHH HLLL H
 CL H XXX XLH L  HHH HHHL L
 CL H XXX XLH H  HHH HHHH L
; INTACK 2 (FAST/SLOW DS* = X)
 CL H LHL HHH H  HHH HHHH L
 CL H LHL HHH L  HHL HHHH L
 CL H LHL HHH L  HHL HHHL L
 CL H LHL HHH L  HHL HHLH H
 CL H LHL HHH L  HHL HHLL H
 CL H LHL HHH X  HHH HHHL L
 CL H LHL HHH H  HHH HHHH L
; INTACK 5 (FAST/SLOW DS* = X)
 CL H HLH HHH H  HHH HHHH L
 CL H HLH HHH L  HLH HHHH L
 CL H HLH HHH L  HLH HHHL L
 CL H HLH HHH L  HLH HHLH H
 CL H HLH HHH L  HLH HHLL H
 CL H HLH HHH X  HHH HHHL L
 CL H HLH HHH H  HHH HHHH L
; NMIACK
 CL H HHH HHH H  HHH HHHH L
 CL H HHH HHH L  LHH HHHH L
 CL H HHH HHH H  HHH HHHH L
----------------------------
                                                                                
                                                                                
DESCRIPTION: