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xmlns:o="urn:schemas-microsoft-com:office:office" |
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xmlns:w="urn:schemas-microsoft-com:office:word" |
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xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" |
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xmlns="http://www.w3.org/TR/REC-html40"> |
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Back to main
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Function 20
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and its subfunctions - MIDI interface |
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lang=EN-US style='font-size:14.0pt;font-family:"Arial","sans-serif";mso-ansi-language: |
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EN-US'>Subfunction |
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lang=EN-US style='font-size:14.0pt;font-family:"Arial","sans-serif";mso-ansi-language: |
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EN-US'> 1 - reset |
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Options:
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* eax =
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20 - function number |
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* ebx = 1
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- number of subfunction |
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lang=EN-US style='font-size:14.0pt;font-family:"Arial","sans-serif";mso-ansi-language: |
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EN-US'>Subfunction |
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lang=EN-US style='font-size:14.0pt;font-family:"Arial","sans-serif";mso-ansi-language: |
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EN-US'> 2 - output bytes |
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Options:
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* eax = 20
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- function number |
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* ebx = 2
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- subfunction number |
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* cl = byte for output
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Return value (the same for both subfunctions):
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* eax = 0
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- successful |
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* eax = 1
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- the base port is not defined |
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Remarks:
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The base port must
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first be defined by calling subfunction 1 of function |
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21. |
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Constants for registers:
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eax -
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SF_MIDI (20) |
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ebx -
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SSF_RESET (1), SSF_OUTPUT (2) |
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