The basic sequence to set scrolling margins in most VT emulations in TinyTERM — VT220, VT320 and VT420 — is:

CSI Pt ; Pb r

which you can find documented here. If that sequence is sent as part of a large block of screen information, the VT420 emulation can miss it. This leads to incorrect scrolling and bad display.

CR 733

This entry was posted on Wednesday, May 2nd, 2007 at 1:12 pm and is filed under Terminal Emulation. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.