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<TITLE>Int 2F/AX=CD21h
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Int 2F/AX=CD21h - 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---
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<h2>Int 2F/AX=CD21h
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<h3><font color=#C00040>InterWave Game API - OPEN GAME DEVICE</font></h3>
<PRE>
AX = CD21h
BX = installed program identifier
ES:DI -> ASCIZ device name
"MIDISIMPLE"
"MIDICOMPLEX"
"DIRECTCODEC"<br>
<p><b>Return:</b><br>AL = status
00h successful
DX = device handle
---MIDISIMPLE and MIDICOMPLEX---
BX = real-mode interrupt number <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(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
<p><b>Range:</b><br>AH=CDh-ECh, selected by scanning for an available multiplex number
</PRE>
<p><b>See Also:</b>
<a href="rb-5463.htm" tppabs="http://www.ctyme.com/intr/rb-5463.htm">AX=CD00h"InterWave"</a> - <a href="rb-5463.htm" tppabs="http://www.ctyme.com/intr/rb-5463.htm">AX=CD01h"InterWave"</a> - <a href="rb-5469.htm" tppabs="http://www.ctyme.com/intr/rb-5469.htm">AX=CD02h"InterWave"</a>
<p><b>See Also:</b>
<a href="rb-5478.htm" tppabs="http://www.ctyme.com/intr/rb-5478.htm">AX=CD05h"InterWave"</a> - <a href="rb-5491.htm" tppabs="http://www.ctyme.com/intr/rb-5491.htm">AX=CD22h"InterWave"</a> - <a href="rb-5492.htm" tppabs="http://www.ctyme.com/intr/rb-5492.htm">AX=CD80h"InterWave"</a>
<PRE>
<p>
<a name=table3074></a>
(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)<br>
<p><b>Return:</b><br>EAX = status
00000000h if successful
FFFFFFFFh on error (bad handle)
</PRE>
<p><b>See Also:</b>
#03075 - <a href="rb-7962.htm" tppabs="http://www.ctyme.com/intr/rb-7962.htm">INT 7E/AX=0001h"IWSBSDRV"</a> - <a href="rb-7963.htm" tppabs="http://www.ctyme.com/intr/rb-7963.htm">INT 7E/AX=0002h"IWSBSDRV"</a>
<PRE>
<p>
<a name=table3075></a>
(Table 03075)
Call MIDICOMPLEX with:.
EAX = function number
??? (specification is still in development).
DX = device handle.
INT xxh (as returned by AX=CD21h)<br>
<p><b>Return:</b><br>EAX = status
00000000h if successful
FFFFFFFFh on error (bad handle)
</PRE>
<p><b>See Also:</b>
#03074
<p>
<b>Category: <a href="cat-040.htm" tppabs="http://www.ctyme.com/intr/cat-040.htm">
Sound/Speech</a>
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Int 2Fh</a>
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