WonderSwan Total Sound Driver
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Specifications

Device Driver (Library)

About the WTD, there are the library version and the IL (In direct library of WonderWitch) version.
User application can call the functions for controlling WTD.
WTD made by microsoft macro assember version 6.11.

User application do not use the following device because WTD use it.

• Sound device.
• Serial device.
• H-blank device.

As to the IL (In direct library of WonderWitch) version, WTD use heap area of 4 Kbytes. (WTD_h.fx is 2KByte.)
As fot the library version, it can use other system, too.
WTD allot the memory of 4 Kbyte (WTDH*.lib is 2 Kbyte) in the DGROUP segment area.

Music/Effect data

WTD can play music and effect.
WTD have function to play/stop music and effect data.

• 4 channels PCM of the WonderSwan.
• 16 channels MIDI with the RS-232C.(38.4kbps)
• MIDI channel can use max 8 note (chord).
• In the PCM channel of the WonderSwan, user can set 7bit value with volume and panpot.
  This is the some range as MIDI channel.
• MML Compliler can calculate the check sum of the GS formats exclusive.

PCM Voice data (effect)

WTD can play wave data.
WTD have function to play/stop PCM Voice (wave) data.

• Format = microsoft wave format.
• Sampling rate = 12kHz
• Quantum = 8bit (monaural)

WonderSwan Total Sound Driver