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229 lines
5.4 KiB
229 lines
5.4 KiB
;
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;DSVXD.INC
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;
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;Include file for HAL and HEL VXD layers
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;
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;
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;Return byte count to caller
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;
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;Do not use ESI as parameter!
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;
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OUTCNT MACRO RetCnt
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LOCAL exit
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push esi
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mov esi,IOCTL_parms
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mov esi,[esi].lpcbBytesReturned
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or esi,esi
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jz exit
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mov DWORD PTR [esi],RetCnt
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exit: pop esi
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ENDM
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;
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;Return 4-byte DWORD to caller
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;
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;Do not use ESI as parameter!
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;
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OUTDWORD MACRO RetVal
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LOCAL exit
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push esi
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mov esi,IOCTL_parms
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mov esi,[esi].lpvOutBuffer
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or esi,esi
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jz exit
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mov DWORD PTR [esi],RetVal
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OUTCNT 4
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exit: pop esi
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ENDM
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;
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;Read 4-byte DWORD from caller
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;
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;Do not use ESI as parameter!
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;
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INDWORD MACRO RetVal
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LOCAL exit
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push esi
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mov esi,IOCTL_parms
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mov esi,[esi].lpvInBuffer
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mov RetVal,-1
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or esi,esi
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jz exit
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mov RetVal,DWORD PTR [esi]
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exit: pop esi
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ENDM
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;
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;String copy/write macros
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;
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REP_MOVSB MACRO
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push ecx
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and ecx,3
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rep movsb
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pop ecx
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shr ecx,2
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rep movsd
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ENDM
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REP_STOSB MACRO
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push ecx
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and ecx,3
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rep stosb
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pop ecx
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shr ecx,2
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rep stosd
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ENDM
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;
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;Scale definition
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;
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DS_SCALE_MAX equ 65535
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DS_SCALE_MID equ 32768
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;
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;Error codes
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;
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HAL_OK equ 0
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HAL_ERROR equ 1
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HAL_CANT_OPEN_VXD equ 2
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HAL_ALLOC_FAILED equ 3
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HAL_NOT_ALLOCATED equ 4
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HAL_MUST_STOP_FIRST equ 5
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HAL_SYSALLOCMEM equ 11
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;
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;Base mode flag equates
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; Note: This file is generated by modeflag.m4
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include <modeflag.inc>
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;
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;HALHWMODE afAbilityFlags values
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;
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;These flags describe dynamic capabilities (what the device
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;can/cannot do)
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;
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A_CAN_CHANGE_VOLUME equ 00000001b ;Can change volume while playing
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A_CANNOT_CHANGE_VOLUME equ 00000000b ;Cannot change volume while playing
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A_CAN_CHANGE_MODE equ 00000010b ;Can change PCM mode while playing
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A_CANNOT_CHANGE_MODE equ 00000000b ;Cannot change PCM mode while playing
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A_CAN_CHANGE_RATE equ 00000100b ;Can change rate while playing
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A_CANNOT_CHANGE_RATE equ 00000000b ;Cannot change rate while playing
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A_CAN_LOOP_SECONDARY equ 00001000b ;Can loop secondary buffers before starting
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A_CANNOT_LOOP_SECONDARY equ 00000000b ;Cannot loop secondary buffers before starting
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A_CAN_UNLOOP_SECONDARY equ 00010000b ;Secondary bufers do not have to loop
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A_CANNOT_UNLOOP_SECONDARY equ 00000000b ;Secondary buffers must always loop
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A_CAN_CHANGE_LOOP_STATUS equ 00100000b ;Can turn looping on/off during playback
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A_CANNOT_CHANGE_LOOP_STATUS equ 00000000b ;Cannot turn looping on/off during playback
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;
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;HALSTRBUF.dwFlags values
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;
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HSB_DMA_ALLOC equ 1h ;Buffer was allocated from DMA services
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HSB_RAM_ALLOC equ 2h ;Buffer was allocated from sound card RAM
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;
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;
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;Passed to HAL_ChangeStreamFormat() to inhibit parameter
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;change
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;
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HF_NO_CHANGE equ -1
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;
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;DSound Caps
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;
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DSC_LOCK_SYSMEM equ 65535
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DSC_LOCK_SLOW equ 64
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DSC_PLAY_DMA equ 20
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DSC_PLAY_ONBOARD equ 0
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DSC_CAPSF_MONO equ 1
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DSC_CAPSF_STEREO equ 2
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DSC_CAPSF_8BIT equ 4
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DSC_CAPSF_16BIT equ 8
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;
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;Stream buffer descriptor
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;
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HALSTRBUF STRUCT
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hfFormat DWORD ?
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dwSampleRate DWORD ?
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dwVolume DWORD ?
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dwPan DWORD ?
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dwLVolume DWORD ?
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dwRVolume DWORD ?
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dwMVolume DWORD ?
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HALSTRBUF ENDS
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;
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;Mix session descriptor
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;
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MIXSESSION STRUCT
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lpBuildBuffer DWORD ?
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dwBuildSize DWORD ?
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HALOutStrBuf HALSTRBUF <>
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pBuffer DWORD ?
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cbBuffer DWORD ?
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nOutputBytes DWORD ?
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MIXSESSION ENDS
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;
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;Mixer input descriptor
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;
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MIXERINPUT STRUCT
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HALInStrBuf HALSTRBUF <>
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pBuffer DWORD ?
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cbBuffer DWORD ?
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lpdwInputPos DWORD ?
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dwInputBytes DWORD ?
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dwOutputOffset DWORD ?
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MIXERINPUT ENDS
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; VxD ID registered to DSHEL.VXD
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DSOUND_Device_ID EQU 357Eh
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ifdef DDB_Sys_Crit_Init_Done
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; DSound Driver VxDs use this service to
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Begin_Service_Table DSOUND
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DSOUND_Service _DSOUND_GetVersion, LOCAL
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DSOUND_Service _DSOUND_RegisterDeviceDriver, VxD_CODE
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DSOUND_Service _DSOUND_DeregisterDeviceDriver, VxD_CODE
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End_Service_Table DSOUND
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ENDIF ; DDB_Sys_Crit_Init_Done (VxD's only)
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