It's not a kaja_func_t if it's shifted left by 8 bits. Why is it
shifted left by 8 bits to begin with, though? Why not just pass a
kaja_func_t, and assign it to AH? Arrrrgh.
Part of P0139, funded by [Anonymous].
Hardcoding these *might* have been acceptable if the numbers actually
matched the sizes defined in GAME.BAT, but they don't. With PMD's
AH=22h function, there's really no excuse though.
About time I looked into this, and expressed that constant as an inline
function that can easily be replaced with a proper implementation.
Part of P0139, funded by [Anonymous].
I'll leave a comprehensive, fully documented enum to interested
contributors, since that would involve research into basically the
entire history of the PC-9800 series, and even the clearly out-of-scope
PC-88VA. After all, PC-98 Touhou only needs to distinguish "OPN- /
PC-9801-26K-compatible sound sources handled by PMD.COM" from
"everything else", since all other PMD varieties are OPNA- /
PC-9801-86-compatible.
Part of P0139, funded by [Anonymous].
5 enums where code generation wants an `int`, vs. 11 cases where using
the minimum size is exactly the right default. So it's way more
idiomatic to force those 5 to 16 bits via a dummy element… except that
we can't give it a single, consistent name, because you can't redeclare
the same element in a different enum later.
Oh well, let's have this ugly naming convention instead, which makes it
totally clear that the force element not, in fact, a valid value of
that enum.
Part of P0085, funded by -Tom-.
Oh, right, these functions can have parameters. So, let's turn snd_kaja_func()
into a macro that combines the function number and the parameter into the AX
value for the driver.
Yes, all of it. Including the bouncing polygons, of course. And since it's
placed at the end of ZUN's code inside the executable, the code's already
position-independent and fully hackable.
This executable is embedded into all 4 versions of ZUN.COM. It was written by
KAJA, not ZUN, so we don't care about anything in there - not that it would
matter for porting anyway. We only need that binary to be able to create
bit-perfect rebuilds of ZUN.COM in the future.
nmlgc