Hitachi EH-150 Applications Manual page 153

Task code H33
Function
Returns the circuit number, head address and the number of steps of the final circuit. (HI-LADDER only)
Execution condition
CPU status
STOP RUN
Format
Request
H33
Response
(a) H33 (b)
(a) Response task code (H00 when executed normally)
For task codes other than the normal task codes, refer to the "response list by task code" at the end of this chapter.
(b) Circuit number (4 digit hexadecimal)
(c) Head address (4 digit hexadecimal)
(d) Number of steps (4 digit hexadecimal)
Note : When there is no program
(b) Circuit number = H0000
(c) Head address = H0000
(d) Number of steps = H0000
Final ladder search
HALT ERROR
READ occupancy
WRITE occupancy
(c) (d)
B-28
Appendix B Task Codes Specifications
Classification
Occupancy
status
Memory read