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90 lines
3.1 KiB
90 lines
3.1 KiB
15 years ago
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Contained in here is a list of VT100 facilities (and extension based on it),
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that have very low priority or are not likely to be ever implemented by me.
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The order is more or less by priority, so you'll find the most interesting
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stuff in the beginning. All this is mainly included so that you can see, what
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you miss.
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- some modes -----------------------------------------------------------------
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The next two modes are difficult to implement (for me).
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May be i do them, may be not. Think, smooth scroll would be kool.
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'?4'= Jump scroll (set); Smooth scroll (reset)
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'?8'= Auto repeat on (set); Auto repeat off (reset)
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following are not in VT100, nor in xterm, check Linux console
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'2'= Lock keyboard (set); Unlock keyboard (reset)
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'12'= Echo on (set); Echo off (reset)
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Hmm, one can easily dig out more other which may originate from different
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VT100/VT102 variants. We'll keep things simple, but have to check trough xterm
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and Linux console to be sure.
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- rendition material ----------------------------------------------------------
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This is mainly not implemented because the fonts are too weak.
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Eventually, i can do better if i dig a little...
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Set graphic rendition
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Where <n> is
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2 = Half // Not in vt100, ansi italic
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21 = Normal intensity (this might well be a spelling mistake i.e. == 22)
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Check linux console for some sco-ish stuff.
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Line attributes
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Double-height Top half Esc # 3
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Bottom half Esc # 4
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Single-width, single-height Esc # 5
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Double-width Esc # 6
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- printing related stuff, will not be implemented ----------------------------
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Don't think this is of any use today.
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These codes seem not to appear in VT100 only, may be it was an option.
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Implement a log instead?
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Implement "save screen and buffer"?
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Modes // not in VT100
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'?18'= Send FF to printer after print screen (set); No char after PS (reset)
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'?19'= Print screen prints full screen (set); PS prints scroll region (reset)
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Printing
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Esc [ <c> i
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Where <c> is
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''= Same as '0'
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'0'= Prints screen (full or scroll region)
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'4'= Printer controller off
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'5'= Printer controller on (Print all received chars to printer)
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'?1'= Print cursor line
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'?4'= Auto print off
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'?5'= Auto print on (Prints line to printer when you exit from it)
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VT52 sequences
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Auto print on Esc ^
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Auto print off Esc -
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Printer controller on Esc W
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Printer controller off Esc X
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Print cursor line Esc V
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Print screen Esc ]
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- huh, that could be fun! ----------------------------------------------------
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Programmable LEDs Esc [ Ps q
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0 - All LEDs off
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(1 - 4) - Turn respective LED on
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- does not produce a reply, anyway -------------------------------------------
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Invoke confidence test
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Esc [ 2 ; <n> y
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Where <n> is
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'1'= Power-up test
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'2'= Data loopback test
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'4'= EIA loopback test
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'9'= Power-up tests (continuously)
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'10'= Data loopback tests (continuously)
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'12'= EIA loopback tests (continuously)
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'16'= Printer loopback test
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'24'= Printer loopback tests (continuously)
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