The Hazeltine 1500 had a similar feature, invoked using ~, DC1 and then the X and Y positions separated with a comma. One example is the VT52 terminal, which allowed the cursor to be placed at an x,y location on the screen by sending the ESC character, a Y character, and then two characters representing numerical values equal to the x,y location plus 32 (thus starting at the ASCII space character and avoiding the control characters). 3.5 OSC (Operating System Command) sequencesĪlmost all manufacturers of video terminals added vendor-specific escape sequences to perform operations such as placing the cursor at arbitrary positions on the screen.3.4.1.4 Unix environment variables relating to color support.3.4 SGR (Select Graphic Rendition) parameters.3.3 CSI (Control Sequence Introducer) sequences.
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