[Reduction] #468-469: ihypot and isqrt
[Reduction] #470-472: LoadProg
[Reduction] #473: execl

And thus, we've singled out all Borland C++ runtime functions in all games but
TH01.
[Reduction] #474-475: super_wave_put
[Reduction] #476: super_put_1plane
[Reduction] #477: draw_trapezoidx
[Reduction] #478: grcg_polygon_cx