Order edit **********/

set the start/end address for a channel (for hardcoded YM2608 percussion)

the chip implementation calls this to indicate that the chip should be considered in a busy state until the given number of clocks has passed; our res

Key on-off **********/

status

prescaler circuit (best guess to verified chip behaviour) +--------------+ +-sel2-+ | +--|in20 |

write a OPN mode register 0x20-0x2f */

Return: -2: this->order < b.order -1: this->order == b.order && this->step < b.step 0: *this == b 1: this->order == b.order && this->step > b.step 2:

Pattern edit **********/