Chapter 2: TI-83 Plus Specific Information 13
TI-83 Plus Developer Guide Third Release May 28, 2002
Flag Name IY Offset Equate Description Comments
trigDeg trigFlags 0 = radian angle mode
1 = degree angle mode
plotLoc plotFlags 0 = write to display and buffer
1 = write to display only
Determines whether the graph line
and point routines draw to the
display or to the graph backup
buffer, plotSScreen.
plotDisp plotFlags 0 = graph screen not in display
1 = graph in display
grfFuncM grfModeFlags 1 = function graph mode
grfPolarM grfModeFlags 1 = polar graph mode
grfParamM grfModeFlags 1 = parametric graph mode
grfRecurM grfModeFlags 1 = sequence graph mode
graphDraw graphFlags 0 = graph is up to date
1 = graph needs to be updated
grfDot grfDBFlags 0 = graph connected draw mode
1 = graph dot draw mode
grfSimul grfDBFlags 0 = sequential graph draw mode
1 = simultaneous graph draw mode
grfGrid grfDBFlags 0 = graph mode grid off
1 = graph mode grid on
grfPolar grfDBFlags 0 = graph — rectangular coordinates
1 = graph — polar coordinates
grfNoCoord grfDBFlags 0 = graph coordinates off
1 = graph coordinates on
grfNoAxis grfDBFlags 0 = graph draw axis
1 = graph no axis
grfLabel grfDBFlags 0 = graph labels off
1 = graph labels on
textEraseBelow textFlags 1 = erase line below small font when
writing small font
Deals with displaying small variable
font characters, when set the pixels
below the character displayed are
cleared. See routines VPutMap
and VPutS.
textInverse textFlags 1 = write in reverse video Affects both the normal 57 font
and the small variable width font.
Table 2.1: System Flags
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