INPUT in#$, x#, y#
Waits with a blinking carret for a user input at location x#, y#. The background used for the input is the current back-buffer. If you need a different background to make your letters clear (e.g. a black box behnid the letters), remember to draw this background first.
PRINT "Name:", 100, 100
INPUT name$, 100, 150
PRINT "Name: " + name$, 100, 100