Texas Instruments 990 User Manual page 104

Applications Programming
*
*****
SVC >4D ACTIVATION SERVICES REQUEST
*****
*
SVC OPCODE
STATUS CODE
ACTSVC BYTE >4D
ASERR BYTE 0
ASCODE BYTE 0,0 ACT. SERVICES CODE; RESERVED BYTE
*
***
ACTIVATION
*
UNSUSP BYTE 4
TIMEDY BYTE 5
BIDME BYTE 6
SERVICES OPTION CODES TABLE BELOW
***
REQUEST UNSUSPENSION
REQUEST ACT. FROM TIME DELAY
REQUEST TO BE BID
REMOVE BYTE
7
REMOVE MY ID FROM ACT. SVCS LIST
*
***
DX10 SVC CALL BLOCKS FOR STATES ASSUMED
***
*
DELAY DATA >0200,400
SUSPND DATA >0600
TERMIN DATA >0400
*
LOGOUT BYTE OUTLEN
REQUEST 10 SECOND TIME DELAY
REQUEST TO BE SUSPENDED
REQUEST TO BE TERMINATED
OUTBUF TEXT
~THIS
MESSAGE IS SENT TO THE
SECONDARY~
OUTLEN EQU $-LOGOUT-1
*
LOGIN
INBUF
INLEN
*
EVEN
BYTE 0
BSS 256
EQU 256
ERRMSG BYTE ERRLEN
SET FOR SYSLOG WRITE
INPUT MESSAGE BUFFER
TX MAX BUFFER LENGTH
TEXT
~ERROR
ON READ FROM SECONDARY-NO
RESPONSE~
ERRLEN EQU $-ERRMSG-1
*
SYSLOG DATA >2100,0
MSGPTR DATA 0,0
*
SYSTEM LOG PRB
POINTER
TO
OUTPUT OR INPUT MESG
Figure 4-5 Primary Station Assembly Language Program (Sheet 2 of 3)
4-18
2270526-9701