I
Andto move20 dotsup yousend:
<ESC>*p–20Y
Combining move commands
Onethingaboutmovingtheprintpositionwiththeabovecommandsis that
theylet youthinkof yourpagein termsof Cartesiancoordinates.
Allwemeanisthatyoucancombinehorizontalandverticalmovementsthat
usethe sameunits.If yousendthiscommand,
<ESC>*p40x20Y
theprintpositionwillmovetoa spot40 dotsfromtheleftedgeof thepage
and20 dotsdownfromthetopedge.Andif yousendthisone:
<ESC>&a+40h–20V
theprintpositionwillmoveright40 decipointsandup 20 decipoints.
Backspace
TheBackspacecontrolcodeworksexactlyasyoumightexpect:itmovesthe
printpositiononecolumnto the left.
<BS>
Movingtheprintpositionbackdoesnotdestroyanycharactersalreadysent.
In fact, because of that, this commandcan be quite useful. It lets you
supcrimpow”onecharacteroveranother.
Sayyou’wanttoindicatea blankspaceastheletter
b witha slash/ through
it,anoldprogrammingsymbol.Justsendthe
b andthenfollowitwith<BS>
andtheslash,andyougetthis:~.
Carriage return
TheCarriageRctumcommandby itselfonlymovestheprintpositionback
to the leftmarginof thelineon whichit currentlysits:
<CR>
If youwanttheprintpositionto movedowna lineaswell,senda separate
Line Feed command each time, or use Define AutomaticLine Ends
(explainedbelow)to couplethesetwo controlcodes.
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