--- /dev/null
+; MMURTL Operating System Source Code\r
+; Copyright 1991,1992,1993,1994 Richard A. Burgess\r
+; ALL RIGHTS RESERVED Version 1.0\r
+\r
+;DO NOT INCLUDE DATA OR CODE IN THIS MODULE. ONLY EQUATES/MACROS\r
+\r
+; Job Control Block (all tasks are associated with a JOB)\r
+; The JOB NUMBER is how the job is identifed by many OS functions.\r
+; Each JCB is assigned a number when the it is initialized.\r
+; Job 1 is always reserved for the OS Monitor and 2 for the debugger.\r
+; (even though the debugger isn't really a job...)\r
+;\r
+; The JCB keeps job related information such as the current path\r
+; of the job, Linear address of it's PD, virtual video info, Cmd line\r
+; when executed, Job path, etc...\r
+;\r
+nJCBs EQU 32 ;max Job Contol Blocks (excluding 2 static JCBs)\r
+sJCB EQU 512 ;\r
+;\r
+; Offsets into the structure\r
+JobNum EQU 0 ;DD 0 ;\r
+sbJobName EQU 4 ;DB 14 DUP (0h) ; 13 bytes w/1 length\r
+JcbPD EQU 18 ;DD 0 ; Linear add of Job's PD\r
+pJcbCode EQU 22 ;DD 0 ;User Address of code segment\r
+sJcbCode EQU 26 ;DD 0 ;Size of user code segment\r
+pJcbData EQU 30 ;DD 0 ;User Adresss of data segment\r
+sJcbData EQU 34 ;DD 0 ;Size of user data segment\r
+pJcbStack EQU 38 ;DD 0 ;User Addrees of first stack\r
+sJcbStack EQU 42 ;DD 0 ;Size of user first stack\r
+JcbUserName EQU 46 ;DB 30 DUP (0h) ; User Name for Job - LString\r
+JcbPath EQU 76 ;DB 70 DUP (0h) ; path name (prefix) - LString\r
+JcbExitRF EQU 146 ;DB 80 DUP (0h) ; Exit Run file (if any) - LString\r
+JcbCmdLine EQU 226 ;DB 80 DUP (0h) ; Command Line string - LString\r
+JcbSysIn EQU 306 ;DB 50 DUP (0h) ; Standard input (KBD)\r
+JcbSysOut EQU 356 ;DB 50 DUP (0h) ; Standard output (VID)\r
+ExitError EQU 406 ;DD 0 ;Error passed by ExitJob\r
+pVidMem EQU 410 ;DD 0 ;pointer to crnt video (real or virtual)\r
+pVirtVid EQU 414 ;DD 0 ;Virtual Video Buffer Address\r
+CrntX EQU 418 ;DD 0 ;Current cursor position\r
+CrntY EQU 422 ;DD 0\r
+nCols EQU 426 ;DD 80 ;Screen size\r
+nLines EQU 430 ;DD 25\r
+VidMode EQU 434 ;DD 0 ;0 = 80x25 VGA color text\r
+NormAttr EQU 438 ;DD 07 ;Normal Video Attr\r
+fCursOn EQU 442 ;DB 0 ;Is cursor visible on this screen\r
+fCursType EQU 443 ;DB 0 ;Cursor type (0=UL, 1 = Block)\r
+ScrlCnt EQU 444 ;DB 0 ;Count since last pause (or Kbd)\r
+fVidPause EQU 445 ;DB 0 ;Full screen pause (Text mode)\r
+NextJCB EQU 446 ;DD 0 ;\r
+\r
+;============ ENd of Module ======================\r