10 minutes ago, Steve_Segreto said:

Maybe you could reach out to other students in your MS-DOS programming class, or the instructor themselves?

They haven’t responded...

here is is a photo of the new error, though.

Do you have any more ideas up your sleeve? Haha...

ok I guess I will just throw away this code. It is completely worthless...

It has way too many errors and there is a very little chance I will ever get it working.

28 minutes ago, Steve_Segreto said:

It was a wild ride, I'm sure you learned some things and I feel like you got an understanding of what programming was like in 1993-1994. However … sometimes dead is better

I did find a page of documentation, though about the ACK engine, and I am not getting the same errors anymore, but, this time, duplication Linker errors...

I am getting new errors. I switched to the compiler it was supposed to use: Borland C 3.1 (Turbo C 3.1).

I have another book that talks about the ACK engine and it even says Borland 3.1.

16 hours ago, Steve_Segreto said:

https://community.embarcadero.com/article/technical-articles/162-programming/14878-coping-with-fixup-overflow-messages

It... compiles....

IT REALLY WORKS!!!

Thank you a million!

I will mention you on the game website!

(If you want me to)

19 hours ago, Steve_Segreto said:

https://community.embarcadero.com/article/technical-articles/162-programming/14878-coping-with-fixup-overflow-messages

Ok... It compiles well. Now, I have this error...

It doesn’t matter now. 

I made a game with modern OpenGL.