PDT4 P 7ìL ƾȲš¾ÈÚ¶@B************************************************************* B. * PHYSICAL DEVICE TABLE(PDT4) 04/30/79 .&* RELATIVE TO R4 (PDT EXTENSION) &(* PSIZ MUST BE THE SIZE OF THE PDT (,******************************************,À ******************* PSIZ EQU72PDT SIZE DORG 0-PSIZ0PDTLNK BSS2 FORWARD LINKAGE TO NEXT PDT 06* THERE IS AN EXPANSION BLOCK BEFORE THE NEXT PDT.66*  TO REFERENCE IT USE THE VALUE IN PDTLNK PLUS 6À6*  ONE OF THE FOLLOWING OFFSETS.WHEN PDTLNK IS64*  ZERO (DS01) USE THE VALUE IN PDTLST (GLOBAL4*  VARIBLE IN ROOT).$PDTRED EQU-8NUMBER OF READS $$PDTWRT EQU-6NUMBER OF WRITES$PDTOTH EQU-4NUMBER OÀ F OTHERS &PDTRTY EQU-2 NUMBER OF RETRIES &,PDTLUN EQU-1 NUMBER OF LUNOS ASSIGNED ,* ',PDTMAP BSS2  POINTER TO DSR MAP FILE ,&PDTR0 BSS2 R0- DSR SCRATCH &,PDTPRB DATA $-$ R1 - QUEUED PRB ADDRESS,À.PDTDSF BSS2 R2 - DEVICE STATUS FLAGS .DSFASG EQU0 ASSIGNEDDSFBSY EQU1 BUSY(DSFINT EQU2  KILL I/O IN PROGRESS(*DSFKLL EQU3  KILL TASK IN PROGRESS *DSFCLS EQU4 CLOSE OUT  DSFREN E ÀQU5 RE-ENTER-ME DSFEOR EQU6 END-RECORD*DSFJIS EQU7  JISCII FLAG(KATAKANA) *,PDTDTF BSS2 R3 - DEVICE TYPE FLAGS ,"DTFFIL EQU0 FILE ORIENTED ""DTFTIL EQU1 TILINE DEVICE "DTFTIM EQU2 ÀENABLE TIME-OUT &DTFPRI EQU3  PRIVILEDGED DEVICE&(DTFKSB EQU4  TERMINAL WITH A KSB ( DTFCOM EQU5 COMM DEVICE  DTFSYD EQU6 SYSTEM DISC  ,DTFEXT EQU7  EXPANSION BLOCK PRESENT , PDTDIB DATA PDTLNKÀ,+PSIZ R4- DEVICE INFO BLOCK ADDRESS ,&PDTR5 BSS2 R5- DSR SCRATCH &&PDTR6 BSS2 R6- DSR SCRATCH &&PDTR7 BSS2 R7- DSR SCRATCH &&PDTR8 BSS2 R8- DSR SCRATCH &"PDTR9 BSS2 R9- DSR SCRATC"ÀH &PDTR10 BSS2  R10 - DSR SCRATCH &&PDTR11 BSS2  R11 - DSR SCRATCH &0PDTCRU BSS2 R12 - CRU OR TILINE ADDRESS 0$PDTR13 DATA $-$ R13 - SAVED WP$$PDTR14 DATA $-$ R14 - SAVED PC$PDTR15 DATA $-$ R15 À- SAVED ST&PDT$ DATA PDTR0 PDTR0 ADDRESS & PDTDSR BSS2 DSR ADDRESS  $PDTERR BSS1 SAVED ERROR CODE$ PDTFLG BSS1 DEVICE FLAGS *DFGPRB EQU8  USE PRB IN LOG MESSAGE* DFGJAR EQU9 JISCII RECEIVE À MODE FLAG.DFGJAT EQU 10  JISCII TRANSMIT MODE FLAG .,DFGSTA EQU 11  DEVICE STATE (TWO BITS) , *  ONLINE = 0 , OFFLINE = 1 &* DIAGNOSTIC = 2, UNDEFINED = 3 &$DFGOPF EQU 14 OPERATION FAILED$PDTNAM BSS4 ÀDEVICE NAME ,PDTSL1 BSS2  RESERVED FOR SYSTEM LOG ,,PDTSL2 BSS2  RESERVED FOR SYSTEM LOG ,&PDTBUF BSS2  CRU BUFFER ADDRESS&&PDTBLN BSS2  CRU BUFFER LENGTH &*PDTINT BSS2  DSR INTERRUPT ADDRESS *PD€&TDVQ BSS10 DEVICE QUEUE ANCHOR &$PDTTM1 BSS2 TIME OUT COUNT 1$$PDTTM2 BSS2 TIME OUT COUNT 2$&PDTSRB BSS2  SAVED PRB ADDRESS &  RORG "  PAGE " TMTREE BSS4  BUILD TREE LINKAGE&RSTRID DATA