Laser 128 - Xdraw

BASIC COMMANDS AND STATEMENTS
3.67 XDRAW
Purpose : To draw or to erase a defined
shape .
Format: XDRAW shape no . At x, y
Comments: This command allows you to
draw a shape if it is not already
on screen, and erase it if it is.
Example: 10 DRAW 1 AT 100, 100
20 FOR D = 1 TO 1000
: NEXT D : REM DELAY
30 XDRA W 1 AT 100, 100
Assuming you have defined
shape 1, this program will first
draw it at co-ordinate s (100,
100), then wait for a while and
finally erase the drawn shape .
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