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dpvm/it/SoundDrivers/M32BITI.MIX

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initial commit
2024-01-30 11:24:04 -08:00
; Different mixing routines required:
; Left } shared
; Right }
; Central
; Surround
; Panned ; Each requires 8 bit and 16 bit
; Single output - for Mono, pure left/pure right
Get32Bit8Waveform Macro
MovSX EBX, Byte Ptr [ES:DI+1]
MovSX EAX, Byte Ptr [ES:DI]
Sub EBX, EAX
IMul EBX, ECX
SAR EBX, 8
ShL EAX, 8
Add EBX, EAX
EndM
Get32Bit16Waveform Macro
MovSX EBX, Word Ptr [ES:EDI+EDI+2]
MovSX EAX, Word Ptr [ES:EDI+EDI]
Sub EBX, EAX
SAR EBX, 1
IMul EBX, ECX
SAR EBX, 15
Add EBX, EAX
EndM
M32Mix8ISingle Macro Index
M32Mix8ISingle&Index&:
Get32Bit8WaveForm
M32Mix8ISingleVolume&Index& EQU $+3
IMul EAX, EBX, 8000h
Add ERROR, DELTAERROR ;; 1
AdC DI, DELTAOFFSET ;; 1
Sub [SI+(Index-15)*8], EAX ;; 3
EndM
M32Mix8ICentral Macro Index
M32Mix8ICentral&Index&:
Get32Bit8WaveForm
M32Mix8ICentralVolume&Index& EQU $+3
IMul EAX, EBX, 8000h
Add ERROR, DELTAERROR ;; 1
AdC DI, DELTAOFFSET ;; 1
Sub [SI+(Index-15)*8], EAX ;; 4
Sub [SI+(Index-15)*8+4], EAX ;; 4
EndM
M32Mix8ISurround Macro Index
M32Mix8ISurround&Index&:
Get32Bit8WaveForm
M32Mix8ISurroundVolume&Index& EQU $+3
IMul EAX, EBX, 8000h
Add ERROR, DELTAERROR ;; 1
AdC DI, DELTAOFFSET ;; 1
Sub [SI+(Index-15)*8], EAX ;; 4
Add [SI+(Index-15)*8+4], EAX ;; 4
EndM
; Panned output
M32Mix8IPanned Macro Index
M32Mix8IPanned&Index&:
Get32Bit8WaveForm
M32Mix8ILeftVolume&Index& EQU $+3
IMul EAX, EBX, 8000h
M32Mix8IRightVolume&Index& EQU $+3
IMul EBX, EBX, 8000h
Sub [SI+(Index-15)*8], EAX ;; 4
Sub [SI+(Index-15)*8+4], EBX ;; 4
Add ERROR, DELTAERROR ;; 1
AdC DI, DELTAOFFSET ;; 1
EndM
M32Mix16ISingle Macro Index
M32Mix16ISingle&Index&:
Get32Bit16WaveForm
M32Mix16ISingleVolume&Index& EQU $+3
IMul EAX, EBX, 8000h
Add ERROR, DELTAERROR ;; 1
AdC DI, DELTAOFFSET ;; 1
Sub [SI+(Index-15)*8], EAX ;; 3
EndM
M32Mix16ICentral Macro Index
M32Mix16ICentral&Index&:
Get32Bit16WaveForm
M32Mix16ICentralVolume&Index& EQU $+3
IMul EAX, EBX, 8000h
Add ERROR, DELTAERROR ;; 1
AdC DI, DELTAOFFSET ;; 1
Sub [SI+(Index-15)*8], EAX ;; 3
Sub [SI+(Index-15)*8+4], EAX ;; 3
EndM
M32Mix16ISurround Macro Index
M32Mix16ISurround&Index&:
Get32Bit16WaveForm
M32Mix16ISurroundVolume&Index& EQU $+3
IMul EAX, EBX, 8000h
Add ERROR, DELTAERROR ;; 1
AdC DI, DELTAOFFSET ;; 1
Sub [SI+(Index-15)*8], EAX ;; 3
Add [SI+(Index-15)*8+4], EAX ;; 3
EndM
; Panned output
M32Mix16IPanned Macro Index
M32Mix16IPanned&Index&:
Get32Bit16WaveForm
M32Mix16ILeftVolume&Index& EQU $+3
IMul EAX, EBX, 8000h
M32Mix16IRightVolume&Index& EQU $+3
IMul EBX, EBX, 8000h
Sub [SI+(Index-15)*8], EAX
Sub [SI+(Index-15)*8+4], EBX
Add ERROR, DELTAERROR
AdC DI, DELTAOFFSET
EndM
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Mix32Single8BitIOffsetTable Label Word
IndexCounter = 15
M32Mix8ISingleOffset Macro Index
DW Offset M32Mix8ISingle&Index&
EndM
REPT 16
M32Mix8ISingleOffset %IndexCounter
IndexCounter = IndexCounter-1
EndM
Proc Mix32Single8BitI
; AX = count...
; Number of times to loop = (Count-1) / 16
Dec AX
Mov BX, AX
And AX, 0Fh
ShR BX, 4
Add AX, AX
Inc BX
Mov LoopCounter, BX
Mov BX, AX
ShL AX, RESOLUTIONSHIFT-1
Add SI, AX
Jmp [CS:Mix32Single8BitIOffsetTable+BX]
M32Mix8ISingle 0
M32Mix8ISingle 1
M32Mix8ISingle 2
M32Mix8ISingle 3
M32Mix8ISingle 4
M32Mix8ISingle 5
M32Mix8ISingle 6
M32Mix8ISingle 7
M32Mix8ISingle 8
M32Mix8ISingle 9
M32Mix8ISingle 10
M32Mix8ISingle 11
M32Mix8ISingle 12
M32Mix8ISingle 13
M32Mix8ISingle 14
M32Mix8ISingle 15
Add SI, 16*MIXRESOLUTION/4
Dec LoopCounter
JNZ M32Mix8ISingle0
Ret
EndP Mix32Single8BitI
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Proc PreMix32Left8BitI
Mov AX, [SI+0Eh]
PreMix32Left8BitI1:
IndexCounter = 0
PreMix32SingleMacro Macro Index
Mov Word Ptr [CS:M32Mix8ISingleVolume&Index&], AX
EndM
REPT 16
PreMix32SingleMacro %IndexCounter
IndexCounter = IndexCounter+1
EndM
Ret
EndP PreMix32Left8BitI
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Proc PreMix32Right8BitI
Add MixBufferOffset, MixResolution/8
Mov AX, [SI+0Ch]
Jmp PreMix32Left8BitI1
EndP PreMix32Right8BitI
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Mix32Central8BitIOffsetTable Label Word
IndexCounter = 15
M32Mix8ICentralOffset Macro Index
DW Offset M32Mix8ICentral&Index&
EndM
REPT 16
M32Mix8ICentralOffset %IndexCounter
IndexCounter = IndexCounter-1
EndM
Proc Mix32Central8BitI
Dec AX
Mov BX, AX
And AX, 0Fh
ShR BX, 4
Add AX, AX
Inc BX
Mov LoopCounter, BX
Mov BX, AX
ShL AX, RESOLUTIONSHIFT-1
Add SI, AX
Jmp [CS:Mix32Central8BitIOffsetTable+BX]
M32Mix8ICentral 0
M32Mix8ICentral 1
M32Mix8ICentral 2
M32Mix8ICentral 3
M32Mix8ICentral 4
M32Mix8ICentral 5
M32Mix8ICentral 6
M32Mix8ICentral 7
M32Mix8ICentral 8
M32Mix8ICentral 9
M32Mix8ICentral 10
M32Mix8ICentral 11
M32Mix8ICentral 12
M32Mix8ICentral 13
M32Mix8ICentral 14
M32Mix8ICentral 15
Add SI, 16*MIXRESOLUTION/4
Dec LoopCounter
JNZ M32Mix8ICentral0
Ret
EndP Mix32Central8BitI
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Proc PreMix32Central8BitI
Mov AX, [SI+0Eh]
IndexCounter = 0
PreMix32CentralMacro Macro Index
Mov Word Ptr [CS:M32Mix8ICentralVolume&Index&], AX
EndM
REPT 16
PreMix32CentralMacro %IndexCounter
IndexCounter = IndexCounter+1
EndM
Ret
EndP PreMix32Central8BitI
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Mix32Surround8BitIOffsetTable Label Word
IndexCounter = 15
M32Mix8ISurroundOffset Macro Index
DW Offset M32Mix8ISurround&Index&
EndM
REPT 16
M32Mix8ISurroundOffset %IndexCounter
IndexCounter = IndexCounter-1
EndM
Proc Mix32Surround8BitI
Dec AX
Mov BX, AX
And AX, 0Fh
ShR BX, 4
Add AX, AX
Inc BX
Mov LoopCounter, BX
Mov BX, AX
ShL AX, RESOLUTIONSHIFT-1
Add SI, AX
Jmp [CS:Mix32Surround8BitIOffsetTable+BX]
M32Mix8ISurround 0
M32Mix8ISurround 1
M32Mix8ISurround 2
M32Mix8ISurround 3
M32Mix8ISurround 4
M32Mix8ISurround 5
M32Mix8ISurround 6
M32Mix8ISurround 7
M32Mix8ISurround 8
M32Mix8ISurround 9
M32Mix8ISurround 10
M32Mix8ISurround 11
M32Mix8ISurround 12
M32Mix8ISurround 13
M32Mix8ISurround 14
M32Mix8ISurround 15
Add SI, 16*MIXRESOLUTION/4
Dec LoopCounter
JNZ M32Mix8ISurround0
Ret
EndP Mix32Surround8BitI
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Proc PreMix32Surround8BitI
Mov AX, [SI+0Eh]
IndexCounter = 0
PreMix32SurroundMacro Macro Index
Mov Word Ptr [CS:M32Mix8ISurroundVolume&Index&], AX
EndM
REPT 16
PreMix32SurroundMacro %IndexCounter
IndexCounter = IndexCounter+1
EndM
Ret
EndP PreMix32Surround8BitI
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Mix32Panned8BitIOffsetTable Label Word
IndexCounter = 15
M32Mix8IPannedOffset Macro Index
DW Offset M32Mix8IPanned&Index&
EndM
REPT 16
M32Mix8IPannedOffset %IndexCounter
IndexCounter = IndexCounter-1
EndM
Proc Mix32Panned8BitI
Dec AX
Mov BX, AX
And AX, 0Fh
ShR BX, 4
Add AX, AX
Inc BX
Mov LoopCounter, BX
Mov BX, AX
ShL AX, RESOLUTIONSHIFT-1
Add SI, AX
Jmp [CS:Mix32Panned8BitIOffsetTable+BX]
M32Mix8IPanned 0
M32Mix8IPanned 1
M32Mix8IPanned 2
M32Mix8IPanned 3
M32Mix8IPanned 4
M32Mix8IPanned 5
M32Mix8IPanned 6
M32Mix8IPanned 7
M32Mix8IPanned 8
M32Mix8IPanned 9
M32Mix8IPanned 10
M32Mix8IPanned 11
M32Mix8IPanned 12
M32Mix8IPanned 13
M32Mix8IPanned 14
M32Mix8IPanned 15
Add SI, 16*MIXRESOLUTION/4
Dec LoopCounter
JNZ M32Mix8IPanned0
Ret
EndP Mix32Panned8BitI
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Proc PreMix32Panned8BitI
Mov AX, [SI+0Eh] ; Left
Mov BX, [SI+0Ch] ; Right
IndexCounter = 0
PreMix32PannedMacro Macro Index
Mov Word Ptr [CS:M32Mix8ILeftVolume&Index&], AX
Mov Word Ptr [CS:M32Mix8IRightVolume&Index&], BX
EndM
REPT 16
PreMix32PannedMacro %IndexCounter
IndexCounter = IndexCounter+1
EndM
Ret
EndP PreMix32Panned8BitI
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Mix32Single16BitIOffsetTable Label Word
IndexCounter = 15
M32Mix16ISingleOffset Macro Index
DW Offset M32Mix16ISingle&Index&
EndM
REPT 16
M32Mix16ISingleOffset %IndexCounter
IndexCounter = IndexCounter-1
EndM
Proc Mix32Single16BitI
; AX = count...
; Number of times to loop = (Count-1) / 16
Dec AX
Mov BX, AX
And AX, 0Fh
ShR BX, 4
Add AX, AX
Inc BX
Mov LoopCounter, BX
Mov BX, AX
ShL AX, RESOLUTIONSHIFT-1
Add SI, AX
Jmp [CS:Mix32Single16BitIOffsetTable+BX]
M32Mix16ISingle 0
M32Mix16ISingle 1
M32Mix16ISingle 2
M32Mix16ISingle 3
M32Mix16ISingle 4
M32Mix16ISingle 5
M32Mix16ISingle 6
M32Mix16ISingle 7
M32Mix16ISingle 8
M32Mix16ISingle 9
M32Mix16ISingle 10
M32Mix16ISingle 11
M32Mix16ISingle 12
M32Mix16ISingle 13
M32Mix16ISingle 14
M32Mix16ISingle 15
Add SI, 16*MIXRESOLUTION/4
Dec LoopCounter
JNZ M32Mix16ISingle0
Ret
EndP Mix32Single16BitI
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Proc PreMix32Left16BitI
Mov AX, [SI+0Eh] ; Left
PreMix32Left16BitI1:
IndexCounter = 0
PreMix32SingleMacro Macro Index
Mov Word Ptr [CS:M32Mix16ISingleVolume&Index&], AX
EndM
REPT 16
PreMix32SingleMacro %IndexCounter
IndexCounter = IndexCounter+1
EndM
Ret
EndP PreMix32Left16BitI
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Proc PreMix32Right16BitI
Add MixBufferOffset, MixResolution/8
Mov AX, [SI+0Ch]
Jmp PreMix32Left16BitI1
Ret
EndP PreMix32Right16BitI
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Mix32Central16BitIOffsetTable Label Word
IndexCounter = 15
M32Mix16ICentralOffset Macro Index
DW Offset M32Mix16ICentral&Index&
EndM
REPT 16
M32Mix16ICentralOffset %IndexCounter
IndexCounter = IndexCounter-1
EndM
Proc Mix32Central16BitI
Dec AX
Mov BX, AX
And AX, 0Fh
ShR BX, 4
Add AX, AX
Inc BX
Mov LoopCounter, BX
Mov BX, AX
ShL AX, RESOLUTIONSHIFT-1
Add SI, AX
Jmp [CS:Mix32Central16BitIOffsetTable+BX]
M32Mix16ICentral 0
M32Mix16ICentral 1
M32Mix16ICentral 2
M32Mix16ICentral 3
M32Mix16ICentral 4
M32Mix16ICentral 5
M32Mix16ICentral 6
M32Mix16ICentral 7
M32Mix16ICentral 8
M32Mix16ICentral 9
M32Mix16ICentral 10
M32Mix16ICentral 11
M32Mix16ICentral 12
M32Mix16ICentral 13
M32Mix16ICentral 14
M32Mix16ICentral 15
Add SI, 16*MIXRESOLUTION/4
Dec LoopCounter
JNZ M32Mix16ICentral0
Ret
EndP Mix32Central16BitI
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Proc PreMix32Central16BitI
Mov AX, [SI+0Eh]
IndexCounter = 0
PreMix32CentralMacro Macro Index
Mov Word Ptr [CS:M32Mix16ICentralVolume&Index&], AX
EndM
REPT 16
PreMix32CentralMacro %IndexCounter
IndexCounter = IndexCounter+1
EndM
Ret
EndP PreMix32Central16BitI
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Mix32Surround16BitIOffsetTable Label Word
IndexCounter = 15
M32Mix16ISurroundOffset Macro Index
DW Offset M32Mix16ISurround&Index&
EndM
REPT 16
M32Mix16ISurroundOffset %IndexCounter
IndexCounter = IndexCounter-1
EndM
Proc Mix32Surround16BitI
Dec AX
Mov BX, AX
And AX, 0Fh
ShR BX, 4
Add AX, AX
Inc BX
Mov LoopCounter, BX
Mov BX, AX
ShL AX, RESOLUTIONSHIFT-1
Add SI, AX
Jmp [CS:Mix32Surround16BitIOffsetTable+BX]
M32Mix16ISurround 0
M32Mix16ISurround 1
M32Mix16ISurround 2
M32Mix16ISurround 3
M32Mix16ISurround 4
M32Mix16ISurround 5
M32Mix16ISurround 6
M32Mix16ISurround 7
M32Mix16ISurround 8
M32Mix16ISurround 9
M32Mix16ISurround 10
M32Mix16ISurround 11
M32Mix16ISurround 12
M32Mix16ISurround 13
M32Mix16ISurround 14
M32Mix16ISurround 15
Add SI, 16*MIXRESOLUTION/4
Dec LoopCounter
JNZ M32Mix16ISurround0
Ret
EndP Mix32Surround16BitI
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Proc PreMix32Surround16BitI
Mov AX, [SI+0Eh]
IndexCounter = 0
PreMix32SurroundMacro Macro Index
Mov Word Ptr [CS:M32Mix16ISurroundVolume&Index&], AX
EndM
REPT 16
PreMix32SurroundMacro %IndexCounter
IndexCounter = IndexCounter+1
EndM
Ret
EndP PreMix32Surround16BitI
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Mix32Panned16BitIOffsetTable Label Word
IndexCounter = 15
M32Mix16IPannedOffset Macro Index
DW Offset M32Mix16IPanned&Index&
EndM
REPT 16
M32Mix16IPannedOffset %IndexCounter
IndexCounter = IndexCounter-1
EndM
Proc Mix32Panned16BitI
Dec AX
Mov BX, AX
And AX, 0Fh
ShR BX, 4
Add AX, AX
Inc BX
Mov LoopCounter, BX
Mov BX, AX
ShL AX, RESOLUTIONSHIFT-1
Add SI, AX
Jmp [CS:Mix32Panned16BitIOffsetTable+BX]
Pan32Bit16ILoop:
M32Mix16IPanned 0
M32Mix16IPanned 1
M32Mix16IPanned 2
M32Mix16IPanned 3
M32Mix16IPanned 4
M32Mix16IPanned 5
M32Mix16IPanned 6
M32Mix16IPanned 7
M32Mix16IPanned 8
M32Mix16IPanned 9
M32Mix16IPanned 10
M32Mix16IPanned 11
M32Mix16IPanned 12
M32Mix16IPanned 13
M32Mix16IPanned 14
M32Mix16IPanned 15
Add SI, 16*MIXRESOLUTION/4
Dec LoopCounter
JNZ Pan32Bit16ILoop
Ret
EndP Mix32Panned16BitI
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Proc PreMix32Panned16BitI
Mov AX, [SI+0Eh] ; Left
Mov BX, [SI+0Ch] ; Right
IndexCounter = 0
PreMix32PannedMacro Macro Index
Mov Word Ptr [CS:M32Mix16ILeftVolume&Index&], AX
Mov Word Ptr [CS:M32Mix16IRightVolume&Index&], BX
EndM
REPT 16
PreMix32PannedMacro %IndexCounter
IndexCounter = IndexCounter+1
EndM
Ret
EndP PreMix32Panned16BitI
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