Choplifter 1-13-84

 

This version is very similar to the 1-4-84 prototype in that it is missing the opening demo and still has a 1983 copyright on the splash screen (although it is now centered).  This version has some source code fragments in it that the 1-4 version does not .  Both the 1-4 and the 1-13 prototypes are incompatible with the 2 port 5200 BIOS, this was fixed for the final.

 

Prototype Differences
The Copyright says 1983 instead of 1984.

There is no opening demo.

The prototype does not work on the two port version of the 5200 BIOS
There are some source code fragments still in the rom:

ODD
EVEN
BKG1
BKGXIT
HRGINT
VSERVICE
PART TWO
SERVICE
NXTCLR
WSYNC

 

Copyright 1983?

 

That little helicopter is going to sit there all day...

 

You're welcome!

Oops! My bad!

 

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