Cursor position report (DSR 6)

Category: cursor · Tags: ECMA-48 Standard, VT100 · Specification ↗

DSR 6 (Device Status Report) queries the current cursor position. The application sends ESC [ 6 n and the terminal responds with ESC [ row ; col R. This request-response mechanism is used by shell integration scripts, TUI frameworks, and applications that need to know where the cursor is before rendering content.

Supported by 0 of 6 backends (0%)

Support Matrix

Backend	Version	Support	Notes
Alacritty	0.26.0	~ partial	Headless mode has no output stream for DSR responses
Ghostty	1.3.1	~ partial	Headless mode has no output stream for DSR responses
Kitty	0.40.0	~ partial	Headless mode has no output stream for DSR responses
WezTerm	0.1.0-fork.5	~ partial	Headless mode has no output stream for DSR responses
xterm.js	5.5.0	~ partial	Headless mode has no output stream for DSR responses
vt100	0.1.0	✗ no	No output stream — pure TypeScript emulator

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