PDT P 7ºK x¾Ȳ»¾ÈÚ²@B************************************************************* B. * PHYSICAL DEVICE TABLE(PDT) 05/20/80 .B************************************************************* B  DORG 0 ! ,PDTLNK BSS2  FORWARD LINKAGE TO NEXT PD,ÀT 6* THERE IS AN EXPANSION BLOCK BEFORE THE NEXT PDT.66*  TO REFERENCE IT USE THE VALUE IN PDTLNK PLUS 66*  ONE OF THE FOLLOWING OFFSETS.WHEN PDTLNK IS64*  ZERO (DS01) USE THE VALUE IN PDTLST (GLOBAL4 *  VAR ÀIBLE IN ROOT).$PDTRED EQU-8NUMBER OF READS $$PDTWRT EQU-6NUMBER OF WRITES$$PDTOTH EQU-4NUMBER OF OTHERS$&PDTRTY EQU-2 NUMBER OF RETRIES &,PDTLUN EQU-1 NUMBER OF LUNOS ASSIGNED ,* 'PDTMAPÀ& BSS2  POINTER TO DSR MAP FILE &&PDTR0 BSS2 R0- DSR SCRATCH &.PDTPRB DATA $-$ R1 - QUEUED PRB ADDRESS..PDTDSF BSS2 R2 - DEVICE STATUS FLAGS .DSFASG EQU0 ASSIGNEDDSFBSY EQU1 BUSYDSFIÀ$NT EQU2  KILL I/O IN PROGRESS$*DSFKLL EQU3  KILL TASK IN PROGRESS *DSFCLS EQU4 CLOSE OUT  DSFREN EQU5 RE-ENTER-ME  DSFEOR EQU6 END-RECORD*DSFJIS EQU7  JISCII FLAG(KATAKANA) *PDTDTF BSSÀ 2 R3 - DEVICE TYPE FLAGS  "DTFFIL EQU0 FILE ORIENTED ""DTFTIL EQU1 TILINE DEVICE "$DTFTIM EQU2 ENABLE TIME-OUT $&DTFPRI EQU3  PRIVILEDGED DEVICE&(DTFKSB EQU4  TERMINAL WITH A KSB ( DTFCOM EQU À5 COMM DEVICE  DTFSYD EQU6 SYSTEM DISC  ,DTFEXT EQU7  EXPANSION BLOCK PRESENT ,>PDTDIB DATA PDTLNK+PDTSIZ R4- DEVICE INFO BLOCK ADDRESS >8PDTR5 BSS2 R5- DEVICE SERVICE ROUTINE SCRATCH 8PDTR6 BSS2 ÀR6- DSR SCRATCH &PDTR7 BSS2 R7- DSR SCRATCH &&PDTR8 BSS2 R8- DSR SCRATCH &&PDTR9 BSS2 R9- DSR SCRATCH &&PDTR10 BSS2  R10 - DSR SCRATCH &&PDTR11 BSS2  R11 - DSR SCRATCH &PDTCRU BSSÀ$2 R12 - CRU OR TILINE ADDRESS $$PDTR13 DATA $-$ R13 - SAVED WP$$PDTR14 DATA $-$ R14 - SAVED PC$$PDTR15 DATA $-$ R15 - SAVED ST$&PDT$ DATA PDTR0 PDTR0 ADDRESS & PDTDSR BSS2 DSR ADDRESS  PDTERR BSS À1 SAVED ERROR CODE PDTFLG BSS1 DEVICE FLAGS *DFGPRB EQU8  USE PRB IN LOG MESSAGE*,DFGJAR EQU9  JISCII RECIEVE MODE FLAG,.DFGJAT EQU 10  JISCII TRANSMIT MODE FLAG .*DFGSTA EQU 11  DEVICE STATE (TWO BITS) *À *  ONLINE = 0 , OFFLINE = 1 &* DIAGNOSTIC = 2, UNDEFINED = 3 &$DFGOPF EQU 14 OPERATION FAILED$ PDTNAM BSS4 DEVICE NAME  ,PDTSL1 BSS2  RESERVED FOR SYSTEM LOG ,*PDTSL2 BSS2  RESERVED FOR SYSTEM LOG *À&PDTBUF BSS2  CRU BUFFER ADDRESS&&PDTBLN BSS2  CRU BUFFER LENGTH &*PDTINT BSS2  DSR INTERRUPT ADDRESS *(PDTDVQ BSS10 DEVICE QUEUE ANCHOR ($PDTTM1 BSS2 TIME OUT COUNT 1$PDTTM2 BSS2 TIME OUT COU€NT 2&PDTSRB BSS2  SAVED PRB ADDRESS &* 'PDTSIZ EQU$ !  RORG "  PAGE " IN IF FIELD IS FULL .IRFECO EQU12NO ECHO .IRFVRQ EQU13 CHAR VALIDATION REQUIRED .,IRFVER EQU14 CHAR F