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InterWave Game API - OPEN GAME DEVICE

AX = CD21h
BX = installed program identifier
ES:DI -> ASCIZ device name
"MIDISIMPLE"
"MIDICOMPLEX"
"DIRECTCODEC"

Return:
AL = status
00h successful
DX = device handle
---MIDISIMPLE and MIDICOMPLEX---
BX = real-mode interrupt number (see #03074,#03075)
---DIRECTCODEC---
BX = base port
CL = IRQ
CH = DMA channel (04h = no DMA)
SI = size of FIFO in bytes (0000h = use DMA)
nonzero failed (not supported or already in use)
AH may be destroyed
Range:
AH=CDh-ECh, selected by scanning for an available multiplex number

See Also: AX=CD00h"InterWave" - AX=CD01h"InterWave" - AX=CD02h"InterWave"

See Also: AX=CD05h"InterWave" - AX=CD22h"InterWave" - AX=CD80h"InterWave"

(Table 03074)
Call MIDISIMPLE with:.
EAX = function number
0001h MIDI byte out
BL = MIDI byte to send
0002h MIDI string out
ECX = length of MIDI string in bytes
ES:EDI -> MIDI string to send (should not include timing info).
DX = device handle.
INT xxh (as returned by AX=CD21h)

Return:
EAX = status
00000000h if successful
FFFFFFFFh on error (bad handle)

See Also: #03075 - INT 7E/AX=0001h"IWSBSDRV" - INT 7E/AX=0002h"IWSBSDRV"

(Table 03075)
Call MIDICOMPLEX with:.
EAX = function number
??? (specification is still in development).
DX = device handle.
INT xxh (as returned by AX=CD21h)

Return:
EAX = status
00000000h if successful
FFFFFFFFh on error (bad handle)

See Also: #03074

Category: Sound/Speech - Int 2Fh - I

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