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(a) Start playback

Playback starts from stream A with the start FAD in the forefront among the streams belonging to the stream group.

(b) Seek

When there are no more streams to play, move the pickup to the start position of the next stream (Stream B) and play it.

(c) Loop

When the last stream (stream C) has been played, move the pickup to the start position of the loop start stream (default is the most forward stream) and play it. The number of times the pickup is moved to the loop start stream is called the loop count.

(d) Aperture, buffer section

The buffer section is allocated one-to-one with the stream.
∙ Sector data conforming to the stream key conditions is stored in the buffer section. Sector data that does not meet the conditions is sent to the next aperture.

(e) Data transfer

When the server function is called, the transfer start position set for each stream is compared with the current playback position. If there is a stream that has reached the transfer start position, data is transferred once to the specified transfer area. Will try.
If the transfer register or DMA becomes in use during transfer, the server function is terminated at that point, and next time, data transfer is attempted from the subsequent stream.

(f) User registration transfer function

By registering a transfer function, you can transfer data while processing it, such as decompressing compressed data.

(g) User's own buffer management

When the transfer area and transfer function are not set, the CD buffer data can be managed by the application program itself.

(h) Transfer gate

Stream flow can be temporarily stopped or restarted by opening and closing the transfer gate. When the transfer gate is closed, the stream data is stored in the CD buffer.

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