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.

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.