yes, I know it's effectively dead code

just use a null pointer in the vtable instead

this also probably fixed a race bug I introduced in thdat105 while
trying to fix the other race bug

like ds, ddc and daybreak

Fixes #117

This is primarily intended for use with codecaves being used as breakpoints.

this also removes the default seed (5489) that never worked anyway

and some bugfixes!

this won't actually make the -xd option work btw

The compilers aren't smart enough to realize they don't have to emit a
multiplication instructio...

- Immaterial and Missing Power (iamp, 75)
- Super Marisa Land (sml, ...

Add ascii_vpatch for PCB and IN for centering in-game ASCII strings

new test failures (that aren't related to previous ones)
09
Files /tmp/anmtemp/a/result00.anm an...

current results (just as the manpage foretold):
095
Files /tmp/anmtemp/a/front.anm and /tmp/anmt...

doesn't help at all with rebuilding

Turns out #111 wasn't that much of an issue after all.

This is a partial revert of 58be1106561e...

libpng v1.6.38 -> v1.6.40
zlib-ng 2.0.6 -> 2.1.3

broken in fc8057bab87dc102c952458ac7d5c0e6c93ed615

this is more consistent with C++'s stem() function, which is what
thcrap uses for this

because at some point we might need to use this stuff on the wiki

When generating bmpfont, we would use json_load_file (which then uses fopen)
with an UTF-8 path ...

Somehow this worked despite a copy/paste error.

Th19 images

Luckily, the API for this can still be changed

In particular this fixes the "100%%" bug in the help lines.

This is essentially adding a missin...