Specifications

D:\D\inter61a\INTERRUP.A Saturday, January 08, 2011 11:31 AM
12h return TRUE/FALSE if patch is understood
13h set preference
14h allow/disallow voice stealing
15h get FIFO sizes
16h get DMA,IRQ
17h get IO address
18h get mem address
19h get mem free
80h-.. vendors can add DevChks above 0x80
3Ch DWORD global reset
40h DWORD MIDI msg
44h DWORD poll MIDI
48h DWORD preload patch
4Ch DWORD unload patch
50h DWORD timer tick
54h DWORD get last error
01h unsupported feature/function
02h unknown patch type (see #00121)
03h all tones are used
04h messages are out of sync
05h an incoming patch was incomplete
06h an incoming patch couldn't be stored
07h had to drop an incoming byte
08h driver is failing a patch download
80h-.. vendors specific errors
58h DWORD Patch Block free callback
5Ch DWORD MIDI byte avail. callback
SeeAlso: #00116,#00124
(Table 00121)
Values for MIDI Registered Patch Types:
10h OPL2
11h OPL3
Format of Volume Info Structure:
Offset Size Description (Table 00122)
00h 4 BYTEs name of the structure ("VOLI")
04h DWORD structure length (00000092h)
08h DWORD driver software version [00000001h]
0Ch 32 BYTEs vendor name, etc. (ASCIZ string)
2Ch 32 BYTEs vendor product name
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