OCTAL DECIMAL DPB SIZE DIRECTIVE DESCRIPTION 1 1 6-12. QIO$ Queue I/O 3 3 6-12. QIOW$ QUEUE I/O and Wait 5 5 3 GLUN$ Get Lun Information 7 7 4 ALUN$ Assign Lun 10 9. 4 ALTP$ Alter Priority 13 11. 7 RQST$ Request Task 13 11. 13. SPWN$ Spawn 15 13. 7 EXEC$ Execute Task 17 15. 13. SCHD$ Schedule Task 21 17. 11. RUN$ Run Task 23 19. 12. SYNC$ Synchronize 25 21. 2 SRRA$ Specify Receive by Reference AST 27 23. 5 MRKT$ Mark Time 31 25. 3-5 CSRQ$ Cancel Scheduled Requests 33 27. 3 CMKT$ Cancel Mark Time Requests 33 27. 4 CMTA$ Cancel Mark Time AST Requests 35 29. 2 EXST$ Exit with Status 37 31. 2 CLEF$ Clear Event Flag 41 33. 2 STEF$ Set Event Flag 43 35. 2 DECL$ Declare Significant Event 45 37. 2 RDEF$ Read Event Flag 47 39. 2 RDAF$ Read All Event Flags 51 41. 2 WTSE$ Wait for Single Event Flag 53 43. 3 WTLO$ Wait for Logical OR of Event Flags 55 45 1 SPND$ Suspend 57 47 3 RSUM$ Resume Task 61 49. 1 WSIG$ Wait for Significant Event 63 51. 1 EXIT$ Exit 65 53. 2 EXIF$ Exit If 67 55. 2 CRRG$ Create Region 71 57. 2 ATRG$ Attatch Region 73 59. 2 DTRG$ Detatch Region 75 61. 2 GTIM$ Get Time Parameters 77 63. 2 GTSK$ Get Task Parameters 101 65. 4 GPRT$ Get Partition Parameters 101 65. 4 GREG$ Get Region Parameters 103 67. 4 GCOM$ Get Common Block Parameters 105 69. 5 SREF$ Send by Reference 107 71. 5-8. VSDA$ Send Data 111 73. 9-12. VSDR$ Send Data & Request or Resume Receiver 113 75. 4-6 VRCD$ Receive Data 115 77. VRCX$ Receive Data or Exit 117 79. 4-6 VRCS$ Receive Data or Suspend 121 81. 3 RREF$ Receive by Reference 123 83. 3 ABRT$ Abort Task 125 85. 3 FIX$ Fix in Memory 127 87. 3 UFIX$ Unfix Task 131 89. 133 91. 3 DSBL$ Disable Task 135 93. 3 ENBL$ Enable Task 137 95. 1 DSCP$ Disable Checkpointing 141 97. 1 ENCP$ Enable Checkpointing 143 99. 1 IHAR$ Inhibit AST Recognition 145 101. 1 ENAR$ Enable AST Recognition 147 103. 3 SVDB$ Specify SST Vector for Debugging Aid 151 105 3 SVTK$ Specify SST Vector for Task 153 107 2 SPDA$ Specify Receive Data AST 155 109. 2 SPRA$ Specify Power Recovery AST 157 111. 2 SFPA$ Specify Floating Point Exception AST 161 113. 2 CMCX$ Get Mapping Context 163 115. 1 ASTX$ AST Exit 165 117. 2 CRAW$ Create Address Window 167 119. 2 ELAW$ Eliminate Address Window 171 121. 2 MAP$ Map Address Window 173 123. 2 UMAP$ Unmap Address Window 175 125. 1 GSSW$ Get Sense Switches 177 127. 41. GMCR$ Get MCR Command Line 201 129. 203 131. 1 STOP$ Stop Task 205 133. 3 USTP$ Unstop Task 207 135. 2 STSF$ Stop for Single Event Flag 211 137. 3 STLO$ Stop for Logical OR of Event Flags 213 139. 4-6 VRCT$ Receive Data or Stop 215 141. 217 143. 221 145. 223 147. 225 149. 227 151. 231 153. SRFR$ Send by Reference &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&