HP 39gII User Manual page 273

SUBGROB and
SUBGROB_P
N O T E
GROBH and
GROBH_P
GROBW and
GROBW_P
FREEZE
Programming
You can enter hexadecimal number using the 0xdigits
syntax.
The first pixel of the line is defined by the 2 lest significant
bit of the number. The 2nd pixel by the 2 lest significant
bit, etc.
Syntax: SUBGROB(srcGRB [ ,x1, y1, x2, y2], trgtGRB)
SUBGROB_P(srcGRB [ ,x1, y1, x2, y2], trgtGRB)
Sets trgtGRB to be a copy of the area of srcGRB between
points x1,y1 and x2,y2.
srcGRB can be any of the graphic variables and is
optional. The default is G0.
trgtGRB can be any of the graphic variables except G0.
x2, y2 are optional and if not specified will be the bottom
right of srcGRB.
x1, y1 are optional and if not specified will be the top left
of srcGRB.
SUBGROB(G1, G4) will copy G1 in G4.
Syntax: GROBH(G)
GROBH_P(G)
Returns the height of G.
G can be any of the graphic variables and is optional.
The default is G0.
Syntax: GROBW(G)
GROBW_P(G)
Returns the width of G.
G can be any of the graphic variables and is optional.
The default is G0.
Syntax: FREEZE
Pauses program execution until a key is pressed. This
prevents the screen from being redrawn after the end of
the program execution, leaving the modified display on
the screen for the user to see.
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