.TITLE BEGENT ; ; VERSION V004A ;  001 ; COPYRIGHT 1972 DIGITAL EQUIPMENT CORP. MAYNARD,MASS. 01754; ; ; LIST OF TASKS TO ENTER INTO THE SCHEDULING TABLE. ; ; THE TASKS IN THIS LIST ARE THE TASKS LINKED ; DIRECTLY TO THE EXEC AT SYSTEM GENERATION TIME. ; ; FORMAT OF AN ITEM IN THE LIST: ; ;  .BYTE SLOT #,PRIORITY ;  .WORD REAL TIME HEADER ADDRESS ; ; THE LIST IS TERMINATED BY A WORD 126.(DECIMAL) ; ; NEW ENTRIES IN THE LIST SHOULD BE INSERTED BEFORE ; THE TERMINATOR. THE SLOT NUMBER CHOSEN MUST BE ; AN EVEN NUMBER IN THE RANGE "2 THRU N-4" WHERE "N" ; IS THE SIZE OF THE SCHEDULING TABLE. IT MUST NOT ; CONFLICT WITH SLOT NUMBERS CHOSEN FOR OTHER TASKS ; IN THE LIST. IF THE SLOT NUMBER IS 0, THE INITIAL- ; IZATION CODE WILL FIND AN APPROPRIATE SLOT. ; ; THE PRIORITY LEVEL MUST BE IN THE RANGE 1-3. ; ; THE REAL TIME HEADER ADDRESS MUST BE A GLOBAL DEFINITION ; IN THE USER TASK. ; ; GENERAL REGISTER DEFINITIONS ; R0=%0 R1=%1 R2=%2 R3=%3 R4=%4 R5=%5 SP=%6 PC=%7 ; ; GLOBAL DEFINITIONS ; .GLOBL ENTERL ; ; GLOBAL REFERENCES ; .GLOBL UTILT  ;UTILITY TASK .GLOBL UTILHD .GLOBL ERMST  ;ERROR MESSAGE TASK .GLOBL MS.HED .GLOBL OPERT  ;OPERATOR TASK .GLOBL OPHED .GLOBL GETT  ;ON LINE LOADER .GLOBL LODHED ; ENTERL: .BYTE UTILT,4  ;UTILITY TASK .WORD UTILHD ; .BYTE ERMST,4  ;ERROR MESSAGE TASK .WORD MS.HED ; .BYTE OPERT,4  ;OPERATOR TASK .WORD OPHED ; .BYTE GETT,3  ;ON LINE LOADER .WORD LODHED ; .WORD 126.  ;LIST TERMINATOR ; .END