Int 21/AH=64h/CX=636Ch

OS/2 v2.1+ Virtual DOS Machine - OS/2 API support

AH = 64h
CX = 636Ch ("cl")
BX = API ordinal (see #01747)
other registers as appropriate for API call

Return:
As appropriate for API call

See Also: AH=64h/BX=0025h - AH=64h/BX=00B6h - AH=64h/BX=00CBh

(Table 01747) Values for OS/2 API ordinal: 0025h DOS32StartSession 0082h DosGetCP 00B6h DosQFSAttach 00BFh DosEditName 00CBh DosForceDelete 0144h Dos32CreateEventSem 0145h Dos32OpenEvenSem 0146h Dos32CloseEventSem 0147h Dos32ResetEventSem 0148h Dos32PostEventSem 0149h Dos32WaitEventSem 014Ah Dos32QueryEventSem 014Bh Dos32CreateMutexSem 014Ch Dos32OpenMutexSem 014Dh Dos32CloseMutexSem 014Eh Dos32RequestMutexSem 014Fh Dos32ReleaseMutexSem 0150h Dos32QueryMutexSem 0151h Dos32CreateMuxWaitSem 0152h Dos32OpenMuxWaitSem 0153h Dos32CloseMuxWaitSem 0154h Dos32WaitMuxWaitSem 0155h Dos32AddMuxWaitSem 0156h Dos32DeleteMuxWaitSem 0157h Dos32QueryMuxWaitSem

Category: Other Operating Systems - Int 21h - O

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