It does:if you don't use -D DISABLE_SCROLL it will scroll.
try without semicolon ";" at the end
The last "h" won't scroll unless something else is printed on the screen (it mimics the behaviour of the original Sinclair BASIC as much as possible).
try without semicolon ";" at the end
Code:
print at 23, 31; "h"
print at 23, 31; "h"
print at 23, 31; "h"