That's normal cathode ray tube behaviour. If there is a potentiometer somewhere on the board labelled V-LIN (for Vertical LINearity) or F-LIN (Field LINearity), or labelled with an icon like =, you might be able to tweak it a bit better.
MODE 6:VDU19,0,4;0; will give you a quick and dirty test pattern!
MODE 6:VDU19,0,4;0; will give you a quick and dirty test pattern!
Statistics: Posted by julie_m — Sun Mar 23, 2025 9:27 pm