as of now the range is ~32768, either from -16384 to 16383, or 0 to 32767.
it previously was -32768 to 32767 (~65536).
this change was made to better suit chips that only output a positive value.
if you are working on a new chip, update your code and shift right by one if necessary.
this new advanced arp macro offers more flexibility and reduces code duplication
it allows you to set each step of the macro to either relative or fixed mode
(instead of just one mode for the entire macro)
the UI is still a work in progress and doesn't work well
this change is big and may break things! further fixes incoming
YM2413 (drums mode)
Standalone YM2413 with allows drum channel.
Sound Expander for Commodore 64
OPL FM Sound expander cartridge for Commodore 64, it's placeholder until OPL is implemented.
MSX-MUSIC:
MSX's sound standard, appeared after MSX-AUDIO. it's basically OPLL FM sound expansion for MSX.
SSI 2001:
ISA Sound card with SID 6581. SID input clock is driven from ISA clock, so I modified flags value check routine.
Sound Blaster w/Game Blaster Compatible
Earliest Sound Blaster models has featured with Game Blaster compatiblity, It's has 2 SAA1099s like CMS/Game Blaster. It's removed at later models, but some hardware has just empty socket; you can restore this feature when you mount SAA1099 at empty socket.
Sharp X1:
Predecessor of X68000. it has built in AY PSG like competitors of the same period, but it has YM2151 FM sound addon in later models. FM sound is embedded in turbo Z, and that is succeeded by X68000.
X68000 hasn't AY, instead OKI MSM6258.
YM2151 in OutRun Board and X Board is 4MHz
