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47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
Plaintext
import VTSequence from "@/components/VTSequence";
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# Device Status Report (DSR)
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<VTSequence sequence={["CSI", "Pn", "n"]} />
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Request information from the terminal depending on the value of `n`.
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The possible valid values of `n` are described in the paragraphs below. If
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any other value of `n` is provided, this sequence does nothing.
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If `n = 5`, the _operating status_ is requested. The terminal responds
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to the program with `ESC [ 0 n` to indicate no malfunctions.
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If `n = 6`, the _cursor position_ is requested. The terminal responds to
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the program in the format `ESC [ y ; x R` where `y` is the row and `x`
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is the column, both one-indexed. If [origin mode (DEC Mode 6)](/vt/modes/origin)
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is enabled, the reported cursor position is relative to the top-left of the
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scroll region.
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## Validation
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### DSR V-1: Operating Status
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```bash
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printf "\033[1;1H" # move to top-left
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printf "\033[0J" # clear screen
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printf "\033[5n"
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```
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```
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|^[[0n_____|
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```
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### DSR V-2: Cursor Position
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```bash
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printf "\033[1;1H" # move to top-left
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printf "\033[0J" # clear screen
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printf "\033[2;4H" # move to top-left
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printf "\033[6n"
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```
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```
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^[[2;4R
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```
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