Scanlab RTC 5 PC Interface Board Installation And Operation Manual page 272

Ctrl Command get_list_space
Function returns the amount of free list memory, hence the number of list commands that can still
be loaded from the input pointer's current position to the last position in the respective
list.
Call
ListSpace = get_list_space()
Result number of free list positions as an unsigned 32-bit value
Comments • If an indexed subroutine or indexed character set is currently being loaded into the
protected buffer area ("List 3"), then get_list_space returns the amount of still-avail-
able protected memory (otherwise the input pointer is not located in the protected
area).
® ®
RTC 4 RTC 5 The command get_list_space was available on the RTC
queue mode and returned the distance between the input and output pointers. The RTC
doesn't have a circular queue mode. The input pointer's position can be queried via
get_input_pointer
via get_status
References get_input_pointer, get_status, get_out_pointer,
®
RTC 5 PC Interface Board
Rev. 1.9 e
10 Commands And Functions
or get_list_pointer and the output pointer's position can be queried
or get_out_pointer.
® ®
3/RTC 4 to support their circular
get_list_pointer
®
5
272