NCR 7454 - Move Cursor up; Move Cursor down; Move Cursor to Specified Position

6-14 Chapter 6: NCR 7454 4x20 Customer Display
Move Cursor Up
Format: 1B 11
Description: Movesthecursoruponeline.Whenthecursorisontherow2‐4,the
cursorismovedtothesamecolumnontherowaboveit.Whenthe
cursorisontherow1,thecursorismovedtothesamecolumnonthe
row4.The
cursorlocationalwaysindicatesthepositionofthenext
charactertobedisplayed,whetherthecursorisenabledandblinking
ornot.Aftereachcharacterisdisplayed,thefirmwareperformsa
logicalMoveCursorRightcommand.
Move Cursor Down
Format: 1B 12
Description: Movesthecursordownoneline.Whenthecursorisonthe1‐3,the
cursorismovedtothesamecolumnonthenextrow.Whenthecursor
isontherow4,thecursorismovedtothesamecolumnontherow1.
Thecursorlocation
alwaysindicatesthepositionofthenextcharacter
tobedisplayed,whetherthecursorisenabledandblinkingornot.
Aftereachcharacterisdisplayed,thefirmwareperformsalogical
MoveCursorRightcommand.
Move Cursor To Specified Position
Format: 1B 13 nn
Range: 00 ≤ nn ≤ 4F (hex)
Description: Movesthecursortothespecifiedposition.Position0 istheupper
leftmostpositionandposition4Fisthelowerrightmostposition.Any
valueoutsidethisrangewillbediscarded,thecommandwillbe
ignored,andthecursorwillnotbemoved.Thecursorlocation
always
indicatesthepositionofthenextcharactertobedisplayed,whetherthe
cursorisenabledandblinkingornot.Aftereachcharacterisdisplayed,
thefirmwareperformsalogicalMoveCursorRightcommand.The
characterpositionsareshownbelow.