Specifications

D:\D\inter61a\INTERRUP.A Saturday, January 08, 2011 11:31 AM
11h IMA record
12h ALAW record
13h ULAW record
Format of MIDI Info Structure:
Offset Size Description (Table 00118)
00h 4 BYTEs name of the structure ("MIDI")
04h DWORD structure length
08h DWORD driver software version [00000003h]
0Ch 32 BYTEs vendor name, etc. (ASCIZ string)
2Ch 32 BYTEs vendor product name
4Ch 32 BYTEs vendor chip/hardware description
6Ch BYTE installed board number
6Dh 3 BYTEs unused data
70h 14 BYTEs the patch library file name [OPL2.BNK 00..]
7Eh DWORD feature bits (see #00119)
80h WORD user determined preference field
82h WORD memory required for driver use
84h WORD # of timer tick callbacks per second
86h WORD max # of tones (voices, partials)
SeeAlso: #00112,#00120,#00122
Bitfields for MIDI feature bits:
Bit(s) Description (Table 00119)
0-3 reserved for GM extensions
4 Transmitter/Receiver only
5 Patches preloaded
6 MIDI receive has time stamp
8 MIDI interrupt driven input supported
9 MIDI polled input supported
10 MIDI remote patches supported
Format of MIDI Service structure:
Offset Size Description (Table 00120)
00h 4 BYTEs name of the structure ("MIDS")
04h DWORD structure length
08h 16 WORDs patches loaded table bit field
28h 16 BYTEs for future expansion
---entry points (details???)---
38h DWORD device check
11h return available tones
-150-
Generated by Foxit PDF Creator © Foxit Software
http://www.foxitsoftware.com For evaluation only.