Apple IIe - Page 244

244 Apple lie Users Handbook
BSA VE T ABLE,A$1 FOO,L$0E
The shape table may be loaded back into the computer by
executing the following .
BLOAD TABLE
After Binary LOADing the table into the computer from disk,
memory location E8 must be loaded with the starting location of
the shape table. This is automatically accomplished when
SHLOAD is executed with a cassette tape.
Using the Shape Table
BASIC has four commands which can be used to display and
manipulate previously defined shapes.
SCALE
DRAW
XDRAW
ROT
SCALE
The SCALE command gives the size at which a shape is to be
displayed. The SCALE command takes the following form ,
SCALE=
x
xis a numeric arguement with a range of 0-255. This command
should be executed before DRAWing any shape to the screen.
If x = 10 then the Apple lie will draw each vector in the shape
definition to a length of 10 pixels.
ROT
The ROT
command rotates the shape around its center. The
syntax
of this command is as follows:
ROT=x