! Relevant to the +2a and +3 only, sets the most recent value read from or written to contended memory. This is what will be returned if the float

Maps from a named memory model to a bank enabled/disabled set.

Sets current execution mode.

! Sets the multiple for this phase generator, in the same terms as an OPL programmer, i.e. a 4-bit number that is used as a lookup into the intern

! Sets the actual output rate; packets provided to the delegate will conform to these specifications regardless of the input. */

Expected to be overridden.

! Sets the release rate, which should be in the range 0–15. */

MARK: - MultiScanProducer

Sets @serial_port as this VIA's connection to the serial bus.

Provides relevant parts of the IIgs interface.

! Sets the sustain level, which should be in the range 0–15. */

! Setter for TEXT ($C050/$C051; triggers on read or write). * Off: display graphics or, if MIXED on, mixed. * On: display text. */

! Enables or disables application of the low-frequency oscillator's tremolo. */

! Enables or disables use of the sustain level. If this is disabled, the envelope proceeds directly from decay to release. */

Sets V if the highest bit of @c value is set; resets it otherwise.

! Enables or disables vibrato. */

The shift amount register index if @c shift_count_is_register() is @c true; meaningless otherwise.

The type of shift to apply to operand 2 if @c operand2_is_immediate() is @c false; meaningless otherwise.

Seeks to implement algorithm as per http://www.catalysoft.com/articles/StrikeAMatch.html @returns A number in the range 0.0 to 1.0 indicating the sim

@returns the number of bytes per sample for data of type @c data_type. Guaranteed to be 1, 2 or 4 for valid data types.

The destination register index. i.e. 'Rd' for STR.

! Produces a PCM segment containing @c length sync bytes, each aligned to the beginning of a @c bit_size -sized window. */

! @returns The amount of time until the next enqueued action will occur, or TimeUnit(-1) if the queue is empty. */

! Provided in order to conform to that part of the Typer::Delegate interface that goes above and beyond KeyboardMachine::Machine; responds to the

Tells the scan target that its owner is about to change; this is a hint that existing data and scan allocations should be invalidated.

! @returns the address being accessed at the precision a 68000 supplies it — only 24 address bit precision, with the low bit shifted out. So it's

@returns the number of cycles until currently enqueued write data is exhausted.

Expected standard cartridge format: DEFB "AB" ; expansion ROM header DEFW initcode ; start of the init code, 0 if no initcode DEFW callstat; po

! Announces that a serial command has been aborted. */

Provides the next target address for @c channel if performing either a write (if @c is_write is @c true) or read (otherwise). @returns A combined add

The accumulator register index for multiply-add. i.e. 'Rn'.