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Choplifter ?-??-84
This is only known prototype for 2600 Choplifter. While all the graphics appear to be in place the player cannot pick up hostages or fire (nor do the tanks fire at you), so there isn't much to do other than fly around. It's estimated that this prototype is approximately 50% complete. It is unknown if any further work was done on the game before being cancelled. The labels on the EPROMs may be a bit hard to read. They say 'A Chop Lifter' and 'B Broder Bund' Interestingly Choplifter displays 295 scanlines even though
it's an NTSC game. Most NTSC games display 262 scanlines
while PAL games use 312. So going by scanline count this
prototype is far closer to PAL than it is NTSC. One of the
side effects of this is that the screen with either roll on real
NTSC hardware or display in black (it will display with
incorrect colors on PAL hardware). Emulators will display
the game correctly but may need to be set to NTSC manually as
auto-detect will see the prototype as PAL. Obviously the
number of scanlines would have had to be reduced before the game
would have be released.
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