OSBYTE &90
OSBYTE &90 (144) - Set TV offset and interlacing (called by *TV x,y)
X=vertical screen shift Y=0/1 to turn off/on interlacing On exit X and Y contain the old value.The settings will be effected on the next MODE change
See Also
Jgharston 22:03, 26 May 2009 (UTC)