Int 2F/AX=CD21h

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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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