updated alsalib to version 1.2.4
updated alsamixer to version 1.1.7
add libpng 16 from OD
fixed sound mute level in pcm
fixed sound crashes in some emulators (you have to delete the old temper settings from the folder /usr/local/home/.temper/config/)
updated Picodrive emulator to 1.97 https://github.com/irixxxx/picodrive
recompiled Temper 1.24.2 https://github.com/gameblabla/temper/tree/f3328369d5e00e70b9c2ea095e09b1dec6452de5
updated pr-boom+ to OD-pr-boom+