Specifications

IP 240 Direct Data Interchange with the IP 240
: L FY 142 TRANSFER BCD DECADES 10^3 AND 10^2
: T PY 161 OF THE INITIAL VAL. FOR THE 3RD TRACK
:
: L FY 141 TRANSFER BCD DECADE 10^4 OF THE
: T PY 162 INITIAL VAL. FOR THE 3RD TRACK
:
: L FY 140 TRANSFER SIGN OF INITIAL VALUE
: T PY 163 FOR THE 3RD TRACK
:
: L FY 147 TRANSFER BCD DECADES 10^1 AND 10^0
: T PY 164 OF THE FINAL VAL. FOR THE 3RD TRACK
:
: L FY 146 TRANSFER BCD DECADES 10^3 AND 10^2
: T PY 165 OF THE FINAL VAL. FOR THE 3RD TRACK
:
: L FY 145 TRANSFER BCD DECADE 10^4 OF THE
: T PY 166 FINAL VAL. FOR THE 3RD TRACK
:
: L FY 144 TRANSFER SIGN OF THE FINAL
: T PY 167 VAL. FOR THE 3RD TRACK
:
: L KH 0023 LOAD JOB NO.FOR ”WRITE TRACK
: T PY 175 LIMITS FOR 3RD TRACK, CHANNEL 2”
: AND TRANSFER THE JOB NUMBER
:
STA3 : L PY 175 READ STATUS REGISTER
: T FY 239
:
: AN F 239.2 -DFRT DATA NOT YET FETCHED?
: JC =STA3
:
: A M 239.4 -ERR ERROR?
: JC =ERR2 JUMP TO ”READ ERROR MESSAGES”
:
: L KH 002D LOAD JOB NUMBER FOR ”TERMINATE DATA
: T PY 175 INTERCHANGE WITH CHANNEL 2” AND
: TRANSFER JOB NUMBER
: RA ENABLE INTERRUPTS
:
: BEU
ERR1 : GENERATE AND DISPLAY ERROR MESSAGE:
: CHANNEL 2 NOT CONFIGURED
: E.G. ASSIGN FLAG BIT
:
: RA ENABLE INTERRUPTS
:
: BEU
:
: READ ERROR MESSAGES
:
ERR2 : L KH0040 LOAD JOB NUMBER FOR ”RESET COM-
: T PY175 MUNICATION” AND TRANSFER JOB NUMBER
:
STA4 : L PY175 READ STATUS REGISTER
: T FY239
:
: AN F 239.0 -AFRT COMMUNICATION NOT YET RESET?
: JC =STA4
EWA 4NEB 811 6120-02a 11-21