DSR—Memory Checksum (DECCKSR)

The host asks for a memory checksum report of current text macro definitions.

Programming Tip
Enter your macro definitions, then request and save a memory checksum. Later, you can request another checksum and see if it has changed.

Format

Exchange Sequence Meaning
Request
(Host to terminal)
CSI ? 63; Pid n

The host asks for a memory checksum report of current text macro definitions (DECCKSR).

Pid is an optional numeric parameter that provides a label to identify the particular checksum request. The checksum report returns the label. This label lets you differentiate between multiple checksum reports.

DECCKSR response
(Terminal to host)
DCS Pid ! ~ D..D ST

Pid is a label indicating which DSR request the report is for.

D..D is the data string consisting of four hexadecimal digits indicating the checksum. The digits can be in the range of 3/0 through 3/9 and 4/0 through 4/6.