79 lines
3.6 KiB
Plaintext
79 lines
3.6 KiB
Plaintext
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Typed Up By Landon Statis / ProAlt Networks
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DEC VT-100 Compatible Cursor Command Sequences
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------------------------------------------------------------------------------
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----------------------------
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Cursor Positioning Sequences
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----------------------------
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Name Sequence Default Description
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---- -------- ------- -----------------------------------------------
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CUU ESC[PnA 1 Cursor Up Sequence: moves the cursor up Pn
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lines at same column. Cursor stops at the top
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margin.
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CUD ESC[PnB 1 Cursor Down Sequence: moves the cursor down Pn
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lines at same column. Cursor stops at the bottom
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margin.
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CUF ESC[PnC 1 Cursor Forward Sequence: moves the cursor right
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Pn columns in the current line. The cursor stops
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at the right margin.
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CUB ESC[PnD 1 Cursor Backward Sequence: moves the cursor left
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Pn columns in the current line. The cursor stops
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at the left margin.
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CUP ESC[Pl;PcH Pl=1,Pc=1 Cursor Position: moves the cursor to line Pl,
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column Pc. If either the default values or 0 are
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selected for Pl or Pc, the cursor moves to the
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first line or the first column.
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The numbering of lines and the ability to move
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the cursor beyond the margins depends on the
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origin mode selection.
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HVP ESC[Pl;Pcf Pl=1,Pc=1 Horizontal And Vertical Position: this sequence
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operates the same as the cursor position sequence
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(CUP).
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IND ESCD None Index: mov/es the cirsor down one line in the
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same column. If the cursor is at the bottom
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margin a scroll up is performed unless the screen
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lock mode is set. In this case, the index
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sequence is ignored.
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RI ESCM 1 Reverse Index: moves the cursor up one line in
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the same column. If the cursor is at the top
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margin, a scroll down is performed unless the
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screen lock mode is set. In this case, the
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reverse index sequence is ingnored.
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NEL ESCE None Next Line: moves the cirsor down to the first
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column on the next line. If the cursor is at the
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bottom margin, a scroll up is performed unless
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the screen lock mode ius set. In this case, the
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cursor is moved to the first column on the bottom
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line and the scroll up is not performed.
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SC ESC7 None Save Cursor: saves the current cursor position,
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graphics rendition (screen attributes) and
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character set selection.
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RC ESC8 None Restore cursor: restores the previously saved
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cursor position, graphics rendition, and
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set selection. If none were saved, the cursor
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moves to the origin.
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-----------------
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Erasing Sequences
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-----------------
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Name Sequence Default Description
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---- -------- ------- -----------------------------------------------
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