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impulsetracker/SoundDrivers/AD1816.ASM

2117 lines
59 KiB
NASM
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Added sound drivers to repository
2014-12-24 20:01:52 -08:00
;
; Analog Device's AD1816
;
.386P
Segment DriverHeader PARA Public 'Code' Use16
Assume CS:Driver, DS:Nothing
;***** Driver Header *******
include drhead.inc
EndS
Segment Driver PARA Public 'Code' Use16
Assume CS:Driver, DS:Nothing
ORG 0
StartDriver:
include vtable.inc
;******** Required ProcedureTable *************
include reqproc.inc
;**********************************
PNPSERIALID EQU 0FFFFFFFFh
PNPVENDORID EQU 80719304h
STEREOENABLED EQU 1
DMABUFFERLENGTH EQU 8192
MIXRESOLUTION EQU 32 ; 32 bit mixing for
MIXTABLESIZE EQU 2*256*65
Debug DW 0
Debug2 DW 0
DMASize DW 2048
ESSMsg DB "SoundPort AD1816 found", 13
DB "Port ", 0FDh, "Xh, IRQ ", 0FDh, "D, DMA ", 0FDh, "D", 0
ESSNoMemoryMsg DB "SoundPort AD1816 found", 13
DB "Error: Insufficient memory", 0
ReinitMsg DB "SoundPort AD1816 reinitialised", 0
DriverName DB "ITAD1816.DRV", 0
Forced DB 0
Stereo DB 0
MixVolume DW 0
BytesToMix DW 1000
ESSMixConst DB 0
MixSegment DW 0
DMASegment DW 0
MixTransferOffset DW 0
MixTransferRemaining DW 0
CONFIGURATIONOFFSET EQU $+128
CONFIGSIZE EQU 6
MixMode DW 0
MixModeOffset DW 0
Filter DW 0
IMR DW 0
OldESSIRQHandler DD 0
FilterValue DD 0
FilterValue2 DD 0
IRQData Label Word
DW 20h, 1111111111111110b ; IRQ 0
DW 24h, 1111111111111101b ; IRQ 1
DW 28h, 1111110111111011b ; IRQ 2
DW 2Ch, 1111111111110111b ; IRQ 3
DW 30h, 1111111111101111b ; IRQ 4
DW 34h, 1111111111011111b ; IRQ 5
DW 38h, 1111111110111111b ; IRQ 6
DW 3Ch, 1111111101111111b ; IRQ 7
DW 1C0h, 1111111011111011b ; IRQ 8
DW 1C4h, 1111110111111011b ; IRQ 9
DW 1C8h, 1111101111111011b ; IRQ 10
DW 1CCh, 1111011111111011b ; IRQ 11
DW 1D0h, 1110111111111011b ; IRQ 12
DW 1D4h, 1101111111111011b ; IRQ 13
DW 1D8h, 1011111111111011b ; IRQ 14
DW 1DCh, 0111111111111011b ; IRQ 15
ESSScreenList Label
DW 16
DW Near Ptr IdleFunctionList
DW Near Ptr GlobalKeyLink
DW Near Ptr FullScreenBox ; 0
DW Near Ptr ScreenHeader
DW Near Ptr FillHeader
DW Near Ptr ESSHeaderLine
DW Near Ptr DriverText
DW Near Ptr MixModeText
DW Near Ptr MixModeButton1 ; 6
DW Near Ptr MixModeButton2 ;
DW Near Ptr MixModeButton3 ; 8
DW Near Ptr MixModeButton4 ; 9
DW Near Ptr FilterText
DW Near Ptr FilterButton1 ; 11
DW Near Ptr FilterButton2
DW Near Ptr FilterButton3
DW Near Ptr VolumeText
DW Near Ptr VolumeBox1
DW Near Ptr MasterVolumeLeft ; 16
DW Near Ptr MasterVolumeRight ; 17
DW Near Ptr PhatStereo ; 18
DW Near Ptr DebugText
DW Near Ptr DebugText2
DW 0
ESSHeaderLine DW 10
DB "SoundPort AD1816 Driver", 0
EmptyObject DW 1
DB 0, 0
DB 0
DB 0
DriverText DW 1
DB 31, 48
DB 21h
DB "SoundPort AD1816 Driver 1.0 for Impulse Tracker", 0
GlobalKeyLink DB 7
GlobalKeyLink2 DD 0
IdleFunctionList DD 0
DD 0
FillHeader DW 8
FillHeader2 DD 0
FullScreenBox DW 0
DB 0, 0, 79, 49
DB 4
ScreenHeader DW 8
ScreenHeader2 DD 0
VolumeText DW 1
DB 2, 14
DB 20h
DB "Master Volume Left", 13
DB "Master Volume Right", 13
DB "3D Phat Stereo", 13
DB 0
VolumeBox1 DW 0
DB 21, 13, 39, 17
DB 25
PhatStereo DW 14
DB 22, 16
DW 0, 15
DW 9, 2
DW 17, 6, 0FFFFh, 0FFFFh
DW 0FFFFh, 0FFFFh
DW 16
MasterVolumeLeft DW 14
DB 22, 14
DW 0, 63
DW 9, 0
DW 0FFFFh, 17, 0FFFFh, 0FFFFh
DW 0FFFFh, 0FFFFh
DW 16
MasterVolumeRight DW 14
DB 22, 15
DW 0, 63
DW 9, 1
DW 16, 18, 0FFFFh, 0FFFFh
DW 0FFFFh, 0FFFFh
DW 16
MixModeText DW 1
DB 2, 18
DB 20h
DB "Mixing Mode, Playback Frequency: ", 0FDh, "DHz", 0
MixSpeed DW 44100
MixModeButton1 DW 2
DW 18, 7, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetMixMode
DriverSegment1 DW 0
DW 0
DW Offset SetMixMode
DriverSegment2 DW 0
DB 3, 20, 32, 22, 8
DB 0
DB " 16 Bit, Non-Interpolated", 0
MixModeButton2 DW 2
DW 6, 8, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetMixMode
DriverSegment3 DW 0
DW 2
DW Offset SetMixMode
DriverSegment4 DW 0
DB 3, 23, 32, 25, 8
DB 0
DB " 16 Bit, Interpolated", 0
MixModeButton3 DW 2
DW 7, 9, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetMixMode
DriverSegment5 DW 0
DW 4
DW Offset SetMixMode
DriverSegment6 DW 0
DB 3, 26, 32, 28, 8
DB 0
DB " 32 Bit, Non-Interpolated", 0
MixModeButton4 DW 2
DW 8, 11, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetMixMode
DriverSegment7 DW 0
DW 6
DW Offset SetMixMode
DriverSegment8 DW 0
DB 3, 29, 32, 31, 8
DB 0
DB " 32 Bit, Interpolated", 0
FilterText DW 1
DB 2, 33
DB 20h
DB "Filter mode", 0
FilterButton1 DW 2
DW 9, 12, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetFilter
DriverSegment9 DW 0
DW 0
DW Offset SetFilter
DriverSegment10 DW 0
DB 3, 35, 29, 37, 8
DB 0
DB " No Filter", 0
FilterButton2 DW 2
DW 11, 13, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetFilter
DriverSegment11 DW 0
DW 1
DW Offset SetFilter
DriverSegment12 DW 0
DB 3, 38, 29, 40, 8
DB 0
DB " 50% Filter", 0
FilterButton3 DW 2
DW 12, 0FFFFh, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetFilter
DriverSegment13 DW 0
DW 2
DW Offset SetFilter
DriverSegment14 DW 0
DB 3, 41, 29, 43, 8
DB 0
DB " 75% Filter", 0
DebugText DW 1
DB 2, 47
DB 20h
DB "MIDI Port: ", 0FDh, "Xh", 0
MIDIPort DW 0
DebugText2 DW 1
DB 2, 48
DB 20h
DB "MIDI IRQ: ", 0FDh, "Dh", 0
MIDIIRQ DW 0
VolumeTable DB 56, 56, 0
; <20><> MixingRoutines <20><><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>
MixBufferPos DW 0
include dmasirq.inc
include mix.inc
include m12bit.mix
include m12biti.mix
include m32bit.mix
include m32biti.mix
MixFunctionTables Label
include m12bit.inc ; contains the tables
include m12biti.inc
include m32bit.inc
include m32biti.inc
;<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>
RelocationTable Label Word
DW Offset DriverSegment1, Offset DriverSegment2
DW Offset DriverSegment3, Offset DriverSegment4
DW Offset DriverSegment5, Offset DriverSegment6
DW Offset DriverSegment7, Offset DriverSegment8
DW Offset DriverSegment9, Offset DriverSegment10
DW Offset DriverSegment11, Offset DriverSegment12
DW Offset DriverSegment13, Offset DriverSegment14
DW 0
;<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 AD1816Wait
PushA
Xor CX, CX
Mov DX, CS:BasePort
AD1816Wait1:
In AL, DX
Test AL, 80h
LoopZ AD1816Wait1
PopA
Ret
EndP AD1816Wait
;<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 AD1816RegisterOut ; AL = indirect register, BX = contents
Call AD1816Wait
Push DX
PushF
ClI
Mov DX, CS:BasePort
Out DX, AL
Add DL, 2
Mov AL, BL
Out DX, AL
Inc DX
Mov AL, BH
Out DX, AL
PopF
Pop DX
Ret
EndP AD1816RegisterOut
;<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 AD1816RegisterIn ; AL = register
; Returns BX
Call AD1816Wait
Push AX
Push DX
Mov DX, CS:BasePort
Out DX, AL
Add DL, 2
In AL, DX
Mov BL, AL
Inc DX
In AL, DX
Mov BH, AL
Pop DX
Pop AX
Ret
EndP AD1816RegisterIn
;<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>
Proc GetMixMode Far
Push CS
Pop ES
Mov DI, Offset MixMode
Ret
EndP GetMixMode
;<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>
Proc GetFilter Far
Push CS
Pop ES
Mov DI, Offset Filter
Ret
EndP GetFilter
;<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>
Proc SetFilter Far
Mov AX, [SI+22]
Mov CS:FilterValue, 0
Mov CS:Filter, AX
Mov AX, 1
Ret
EndP SetFilter
;<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>
Proc SetMixMode Far
Mov AX, [SI+22]
ClI
Mov CS:MixMode, AX
Mov BX, 180
Mul BX
Mov CS:MixModeOffset, AX
Mov DS, Word Ptr [CS:RecalculateAllVolumes+2]
Call CS:RecalculateAllVolumes
StI
Mov AX, 1
Ret
EndP SetMixMode
Assume DS:Nothing
; <20><> DetectCard <20><><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>
;
; Returns carry set if error, else carry clear. Has to setup internal vars
; (eg. appropriate IRQ/DMA whatever).
;
;<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>
PnP_SerialID DD 0
PnP_VendorID DD 0
PnP_ReadPort DW 0
PnP_CSN DB 0
PnP_CardFound DB 0
;<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>
Proc PnP_Delay
Assume DS:Driver
Push AX CX
Mov CX, 180h
PnP_Delay1:
In AL, 21h
Loop PnP_Delay1
Pop CX AX
Ret
EndP PnP_Delay
;<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>
Proc PnP_WriteData
Mov DX, 279h
Out DX, AL
Mov AL, AH
Mov DH, 0Ah
Out DX, AL
Ret
EndP PnP_WriteData
;<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>
Proc PnP_ReadData
Mov DX, 279h
Out DX, AL
Mov DX, PnP_ReadPort
In AL, DX
Ret
EndP PnP_ReadData
;<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>
Proc PnP_Isolate
Mov AX, 402h
Call Pnp_WriteData ; Reset CSNs
PnP_IsolateNextCard:
Mov AX, 0003h
Call PnP_WriteData ; Wake[0]
Mov AX, PnP_ReadPort
ShL AX, 6
Xor AL, AL
Call PnP_WriteData ; Set Read Data port.
Call PnP_Delay
Call PnP_Delay
Call PnP_Delay
Call PnP_Delay
Mov AL, 1 ; Serial Isolation
Mov DX, 279h
Out DX, AL
Call PnP_Delay
Call PnP_Delay
Call PnP_Delay
Call PnP_Delay
Mov BL, 6Ah
Mov CX, 64
Mov DX, PnP_ReadPort
ClI
PnP_Isolate1:
ShR PnP_SerialID, 1
RCR PnP_VendorID, 1
Mov BH, BL
ShR BH, 1
Xor BH, BL
ShR BX, 1
In AL, DX
Mov AH, AL
Call PnP_Delay
In AL, DX
Call PnP_Delay
Cmp AX, 55AAh
JNE PnP_Isolate2
Xor BL, 80h
Or PnP_SerialID, 80000000h
PnP_Isolate2:
Dec CX
JNZ PnP_Isolate1
Mov CX, 8
Xor BH, BH
PnP_Isolate3:
ShR BH, 1
In AL, DX
Mov AH, AL
Call PnP_Delay
In AL, DX
Call PnP_Delay
Cmp AX, 55AAh
JNE PnP_Isolate4
Or BH, 80h
PnP_Isolate4:
Dec CX
JNZ PnP_Isolate3
StI
Cmp BL, BH ; Matching Checksum?
JNE PnP_IsolateFinished
; assign CSN
Inc PnP_CSN
Mov AL, 6
MOv AH, PnP_CSN
Call PnP_WriteData
Cmp PnP_VendorID, PNPVENDORID
JNE PnP_IsolateNextCard
Cmp PnP_SerialID, PNPSERIALID
JNE PnP_IsolateNextCard
Mov AL, 3
Call PnP_WriteData
Mov AX, 007h
Call PnP_WriteData
Mov AL, 64h
Call PnP_ReadData
Mov AH, AL
Mov AL, 65h
Call PnP_ReadData ; AX = address.
Cmp BasePort, 0FFFFh
JE PnPBasePortOK
Cmp BasePort, AX
JNE PnP_IsolateNextCard
PnPBasePortOK:
Mov BasePort, AX
Mov AL, 70h
Call PnP_ReadData ; AL[3:0] = IRQ
And AX, 15
JZ PnP_IsolateNextCard
Mov IRQ, AX
Mov AL, 74h
Call PnP_ReadData ; AL[2:0] = DMA
And AX, 7
Cmp AL, 4
JE PnP_IsolateNextCard
Mov DMA, AX
Mov CX, 107h
MIDISearchLoop:
Mov AX, CX
Call PnP_WriteData
Mov AL, 60h
Call PnP_ReadData
Mov AH, AL
Mov AL, 61h
Call PnP_ReadData ; AX = address.
Test AX, 0Fh
JNZ NextMIDI
Cmp AX, 300h
JB NextMIDI
Cmp AX, 400h
JAE NextMIDI
Mov MIDIPort, AX
Mov AL, 70h
Call PnP_ReadData ; AL[3:0] = IRQ
And AX, 15
Mov MIDIIRQ, AX
Mov Pnp_CardFound, 1
Jmp PnP_IsolateNextCard
NextMIDI:
Add CX, 100h
Cmp CX, 0F07h
JBE MIDISearchLoop
PnP_IsolateFinished:
Mov AL, PnP_CSN
ShL AL, 1
Or AL, PnP_CardFound
Ret
EndP PnP_Isolate
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Proc DetectCard Far ; returns carry clear if succesful
Push CS
Pop DS
Xor AL, AL
Mov DX, 279h
Out DX, AL
Out DX, AL
Mov AL, 6Ah ; Starting value
Mov CX, 32
PnP_InitiationKeyLoop:
Out DX, AL
Mov AH, AL
ShR AH, 1
Xor AH, AL
ShR AX, 1
Dec CX
JNZ PnP_InitiationKeyLoop
; Try three ports before concluding no PnP cards: 20Fh, 27Bh, 213h
PnP_DetectCardPort1:
Mov PnP_ReadPort, 20Fh
Call PnP_Isolate
JZ PnP_DetectCardPort2
Test AL, 1
JZ PnP_DetectCardNotFound
Jmp PnP_DetectCardFound
PnP_DetectCardPort2:
Mov PnP_ReadPort, 27Bh
Call PnP_Isolate
JZ PnP_DetectCardPort3
Test AL, 1
JZ PnP_DetectCardNotFound
Jmp PnP_DetectCardFound
PnP_DetectCardPort3:
Mov PnP_ReadPort, 213h
Call PnP_Isolate
Test AL, 1
JNZ PnP_DetectCardFound
PnP_DetectCardNotFound:
StC
Jmp PnP_DetectEnd
PnP_DetectCardFound:
ClC
PnP_DetectEnd: ; Return PnP to wait for key state
Mov AX, 202h
Call PnP_WriteData
Mov EAX, 'Jeff'
Ret
EndP DetectCard
Assume DS:Nothing
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MixModeTable Label Word
DW Offset Mix0ModeMono, Mix0ModeStereo
DW Offset Mix0ModeMono, Mix0ModeStereo
DW Offset Mix6ModeMono, Mix6ModeStereo
DW Offset Mix6ModeMono, Mix6ModeStereo
Proc MixSamples ; Given DS:SI = info tables, CX = numchannels
; 1. Clean buffer
; + update variables
; 2. Update parameters
; 3. Mix func
; 4. Return
Push CX
Mov CX, BytesToMix
Mov ES, MixSegment
Mov DI, MIXTABLESIZE
Xor EAX, EAX
Mov DX, CX
Add CX, CX
Mov MixTransferOffset, DI ; } Memory write
Cmp Stereo, 0
JE MixSamples1
Mov DX, CX
MixSamples1:
Rep StosD ; } Memory write
Mov MixTransferRemaining, DX ; }
Pop CX
MixSamples2:
Test Byte Ptr [SI], 1
JZ MixSamplesEnd2
Cmp Byte Ptr [SI+36h], 100
JE MixSamplesEnd2
Push CX
Mov CX, [SI]
Test CH, 2
JZ MixSamples3
And Byte Ptr [SI], Not 1
Jmp MixSamplesEnd
; Cmp MixMode, 8 ; Is it volume ramping?
; JB MixSamplesEnd
MixSamples3:
Test CL, 20h ; New freq?
JZ MixSamples5
Mov AX, [SI+10h]
Mov DX, [SI+12h]
Mov BX, MixSpeed
Cmp DX, BX
JAE MixSamplesHandleError
Div BX
ShL EAX, 16
Xor AX, AX
Div BX
Mov STEPVALUE, EAX
MixSamples4:
Test CH, 1
JZ MixSamples5
Mov DWord Ptr [SI+1Ch], 0 ; Current Volume = 0
; for volume sliding.
MixSamples5:
Test CX, 8440h ; New volume or panning?
JZ MixSamplesMix
Xor AX, AX
Test CH, 8 ; Muted?
JNZ MixModeCommon
Mov BX, MixMode
Add BL, Stereo
Add BX, BX
Jmp [CS:MixModeTable+BX]
Mix0Mode: ; 16-bit mixing, no interpolation
Mix0ModeMono: ; and 16-bit mixing, interpolation
Mov AL, [SI+20h]
ShR AL, 1
Mov [SI+0Ch], AX
Mov [SI+0Eh], AX
Mov AX, 0
JZ MixModeCommon
Mov AL, 30 ; Use left only-mixing for mono
Jmp MixModeCommon
Mix0ModeStereo:
Mov AL, [SI+37h] ; Final pan
Cmp AL, 100
JE Mix0ModeSurround
Mul Byte Ptr [SI+20h] ; Final volume
Add AX, 64
ShR AX, 7
Mov [SI+0Ch], AX ; Store into right volume
Mov AL, 64
Sub AL, [SI+37h]
Mul Byte Ptr [SI+20h]
Add AX, 64
ShR AX, 7
Mov [SI+0Eh], AX ; Left volume
Mov CH, AL ; CH = left volume
Mov CL, [SI+0Ch] ; CL = right volume
Mov AX, 0
Test CX, CX
JZ MixModeCommon
Mov AL, 30 ; Left only...
Test CL, CL
JZ MixModeCommon
Mov AL, 60
Test CH, CH
JZ MixModeCommon
Mov AL, 90
Cmp CL, CH
JZ MixModeCommon
Mov AL, 120
Jmp MixModeCommon
Mix0ModeSurround:
Mov AL, [SI+20h]
ShR AL, 2
Mov [SI+0Ch], AX
Mov [SI+0Eh], AX
Mov AX, 0
JZ MixModeCommon
Mov AL, 150 ; Surround
Jmp MixModeCommon
Mix6ModeMono:
Mov AX, [SI+4Ah]
Mul MixVolume
ShRD AX, DX, 8
Mov [SI+0Ch], AX
Mov [SI+0Eh], AX
Test AX, AX
JZ MixModeCommon
Mov AX, 30
Jmp MixModeCommon
Mix6ModeStereo:
Mov AL, [SI+37h] ; Final pan
Cmp AL, 100
JE Mix6ModeSurround
Mul Byte Ptr MixVolume
Mul Word Ptr [SI+4Ah]
ShRD AX, DX, 14
Mov [SI+0Ch], AX ; Store into right volume
Mov BX, AX
ShL EAX, 16
Mov AL, 64 ; Do left volume
Sub AL, [SI+37h] ; AL = 64-FinalPan
Mul Byte Ptr MixVolume
Mul Word Ptr [SI+4Ah]
ShRD AX, DX, 14
Mov [SI+0Eh], AX
Mov ECX, EAX
; BX = right volume
; CX = Left volume
Mov AX, 0
Test ECX, ECX
JZ MixModeCommon
Mov AL, 30
Test BX, BX
JZ MixModeCommon
Mov AL, 60
Test CX, CX
JZ MixModeCommon
Mov AL, 90
Cmp CX, BX
JE MixModeCommon
Mov AL, 120
Jmp MixModeCommon
Mix6ModeSurround:
Mov AX, [SI+4Ah]
Mul MixVolume
ShRD AX, DX, 9
Mov [SI+0Ch], AX
Mov [SI+0Eh], AX
JZ MixModeCommon
Mov AX, 150
Jmp MixModeCommon
MixModeCommon: ; Requires AX = 30/60/90 etc. depending
; On mixing mode type.
; This will add 180 for 16-bit,
; And sort out loop types.
Mov BL, [SI+0Ah]
Test Byte Ptr [SI+18h], 2 ; 16 bit?
JZ MixModeCommon1
Add AX, 180
MixModeCommon1:
Cmp BL, 8
JB MixModeCommon3 ; No loop
JE MixModeCommon2 ; Forwards loop
Add AX, 10
MixModeCommon2:
Add AX, 10
MixModeCommon3:
Add AX, Offset MixFunctionTables
Add AX, MixModeOffset
Mov [SI+8], AX ; Offset...
MixSamplesMix:
Mov BX, [SI+8] ; BX = offset into
Mov EAX, [CS:BX+2]
Mov DWord Ptr PreMixFunction, EAX
Mov EAX, [CS:BX+6]
Mov DWord Ptr MixFunctionSeparateBackwards, EAX
Mov AX, BytesToMix
Mov MixBlockSize, AX
Mov MixBufferOffset, MIXTABLESIZE
Mov EAX, CURRENTPOSITION
Mov OLDPOSITION, EAX
Call Word Ptr [CS:BX]
And Word Ptr [SI], 0111100010001101b
Jmp MixSamplesEnd
MixSamplesHandleError:
Mov Word Ptr [SI], 200h
Test Byte Ptr [SI+3Ah], 80h
JNZ MixSamplesEnd
Mov BX, [SI+38h]
And Byte Ptr [BX], Not 4 ; Turn off channel
MixSamplesEnd:
Pop CX
MixSamplesEnd2:
Add SI, 128
Dec CX
JNZ MixSamples2
Ret
EndP MixSamples
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Proc ESSIRQHandler
PushAD
Push DS
Push ES
ClD
Mov AX, CS
Mov DS, AX
Assume DS:Driver
Mov DX, [BasePort]
Inc Debug
Inc DX
In AL, DX
Mov AH, AL
Xor AL, AL
Out DX, AL
; Call AD1816Out
Mov AL, 20h
Cmp IRQ, 8
JB WSSAckIRQ1
Out 0A0h, AL
WSSAckIRQ1:
Out 20h, AL
Mov AX, MixBufferPos
Mov BX, AX
Mul DMASize
Cmp AX, DMABUFFERLENGTH
JB ESSIRQHandler2
Xor AX, AX
Xor BX, BX
ESSIRQHandler2:
Inc BX
Mov MixBufferPos, BX
CLD
; OK... time to get next block
; Check whether stereo thing is on..
;
LES DI, [ActualDMAPtr]
Add DI, AX
Mov BX, DMASize ; BX = bytes required
ShR BX, 1
; BX = samples required
Mov BP, 8 ; Skip for mono
Mov CL, 14 ; Shift for mono
Cmp Stereo, 0
JE ESSIRQHandlerMono
Mov BP, 4 ; Stereo skip value.
Dec CL
ESSIRQHandlerMono:
Call SaveEMSPageFrame
Cmp MixTransferRemaining, 0
JNE ESSIRQHandler4
Assume DS:Nothing
ESSIRQHandler3:
Push BX
Push CX
Push BP
Push ES
Push DI
Call Update
Call MixSamples
Pop DI
Pop ES
Pop BP
Pop CX
Pop BX
ESSIRQHandler4:
Mov DS, MixSegment
Mov SI, MixTransferOffset
Mov DX, BX ; DX = samples to transfer
Cmp DX, MixTransferRemaining
JBE ESSIRQHandler5
Mov DX, MixTransferRemaining
ESSIRQHandler5:
Push DX
Cmp CS:Filter, 1
JB ESSIRQHandler6
JE ESSIRQHFilter
Cmp CS:Stereo, 0
JE ESSIRQ3QFilterMono
ESSIRQ3QFilterStereo:
Push BX
Mov EBX, FilterValue
Mov EBP, FilterValue2
ShR DX, 1
ESSIRQ3QFilterStereo1:
Mov EAX, EBX
Mov ECX, EBP
Add EAX, [SI]
Add ECX, [SI+4]
SAR EAX, 1
SAR ECX, 1
Add EBX, EAX
Add EBP, ECX
SAR EBX, 1
SAR EBP, 1
Mov EAX, EBX
SAR EAX, 13
Cmp EAX, -8000h
JL WSS3QFilterStereoClip1
Cmp EAX, 7FFFh
JG WSS3QFilterStereoClip2
ESSIRQ3QFilterStereo2:
StosW
Mov EAX, EBP
SAR EAX, 13
Cmp EAX, -8000h
JL WSS3QFilterStereoClip3
Cmp EAX, 7FFFh
JG WSS3QFilterStereoClip4
ESSIRQ3QFilterStereo3:
StosW
Add SI, 8
Dec DX
JNZ ESSIRQ3QFilterStereo1
Mov FilterValue, EBX
Mov FilterValue2, EBP
Pop BX
Jmp WSSMixTransferEnd
ESSIRQ3QFilterMono:
Push BX
Mov EBX, FilterValue
ESSIRQ3QFilterMono1:
Mov EAX, EBX
Add EAX, [SI]
SAR EAX, 1
Add EBX, EAX
SAR EBX, 1
Mov EAX, EBX
SAR EAX, 14
Cmp EAX, -8000h
JL WSS3QFilterMonoClip1
Cmp EAX, 7FFFh
JG WSS3QFilterMonoClip2
ESSIRQ3QFilterMono2:
StosW
Add SI, 8
Dec DX
JNZ ESSIRQ3QFilterMono1
Mov FilterValue, EBX
Pop BX
Jmp WSSMixTransferEnd
ESSIRQHFilter:
Cmp CS:Stereo, 0
JE ESSIRQHFilterMono
ESSIRQHFilterStereo:
Push BX
Mov EBX, FilterValue
Mov EBP, FilterValue2
ShR DX, 1
ESSIRQHFilterStereo1:
Add EBX, [SI]
Add EBP, [SI+4]
SAR EBX, 1
SAR EBP, 1
Mov EAX, EBX
SAR EAX, 13
Cmp EAX, -8000h
JL WSSHFilterStereoClip1
Cmp EAX, 7FFFh
JG WSSHFilterStereoClip2
ESSIRQHFilterStereo2:
StosW
Mov EAX, EBP
SAR EAX, 13
Cmp EAX, -8000h
JL WSSHFilterStereoClip3
Cmp EAX, 7FFFh
JG WSSHFilterStereoClip4
ESSIRQHFilterStereo3:
StosW
Add SI, 8
Dec DX
JNZ ESSIRQHFilterStereo1
Mov FilterValue, EBX
Mov FilterValue2, EBP
Pop BX
Jmp WSSMixTransferEnd
ESSIRQHFilterMono:
Push BX
Mov EBX, FilterValue
ESSIRQHFilterMono1:
Add EBX, [SI]
SAR EBX, 1
Mov EAX, EBX
SAR EAX, 14
Cmp EAX, -8000h
JL WSSHFilterMonoClip1
Cmp EAX, 7FFFh
JG WSSHFilterMonoClip2
ESSIRQHFilterMono2:
StosW
Add SI, 8
Dec DX
JNZ ESSIRQHFilterMono1
Mov FilterValue, EBX
Pop BX
Jmp WSSMixTransferEnd
ESSIRQHandler6:
Mov EAX, [SI]
SAR EAX, CL
Cmp EAX, -8000h
JL ESSIRQHandlerClip1
Cmp EAX, 7FFFh
JG ESSIRQHandlerClip2
ESSIRQHandler7:
StosW ; } Memory write
Add SI, BP
Dec DX
JNZ ESSIRQHandler6
WSSMixTransferEnd:
Pop DX
Sub MixTransferRemaining, DX ; } Memory write
Sub BX, DX
JNZ ESSIRQHandler3
Mov MixTransferOffset, SI ; } Memory write
Call RestoreEMSPageFrame
Pop ES
Pop DS
PopAD
IRet
ESSIRQHandlerClip1:
Mov AX, 8000h
Jmp ESSIRQHandler7
ESSIRQHandlerClip2:
Mov AX, 7FFFh
Jmp ESSIRQHandler7
WSSHFilterMonoClip1:
Mov AX, 8000h
Jmp ESSIRQHFilterMono2
WSSHFilterMonoClip2:
Mov AX, 7FFFh
Jmp ESSIRQHFilterMono2
WSSHFilterStereoClip1:
Mov AX, 8000h
Jmp ESSIRQHFilterStereo2
WSSHFilterStereoClip2:
Mov AX, 7FFFh
Jmp ESSIRQHFilterStereo2
WSSHFilterStereoClip3:
Mov AX, 8000h
Jmp ESSIRQHFilterStereo3
WSSHFilterStereoClip4:
Mov AX, 7FFFh
Jmp ESSIRQHFilterStereo3
WSS3QFilterMonoClip1:
Mov AX, 8000h
Jmp ESSIRQ3QFilterMono2
WSS3QFilterMonoClip2:
Mov AX, 7FFFh
Jmp ESSIRQ3QFilterMono2
WSS3QFilterStereoClip1:
Mov AX, 8000h
Jmp ESSIRQ3QFilterStereo2
WSS3QFilterStereoClip2:
Mov AX, 7FFFh
Jmp ESSIRQ3QFilterStereo2
WSS3QFilterStereoClip3:
Mov AX, 8000h
Jmp ESSIRQ3QFilterStereo3
WSS3QFilterStereoClip4:
Mov AX, 7FFFh
Jmp ESSIRQ3QFilterStereo3
EndP ESSIRQHandler
Assume DS:Nothing
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Proc SetIRQ
PushAD
Push ES
Xor AX, AX
Mov ES, AX
Mov DI, IRQ
ShL DI, 2
Add DI, Offset IRQData
Mov BX, [CS:DI]
Mov AX, CS
ShL EAX, 16
Mov AX, Offset ESSIRQHandler
XChg [ES:BX], EAX
Mov OldESSIRQHandler, EAX
Mov AX, IMR
And AX, [DI+2]
Out 21h, AL
Mov AL, AH
Out 0A1h, AL
Pop ES
PopAD
Ret
EndP SetIRQ
Assume DS:Nothing
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Proc ResetIRQ
PushAD
Push ES
Xor AX, AX
Mov ES, AX
Mov DI, IRQ
ShL DI, 2
Mov BX, [IRQData+DI]
Mov EAX, OldESSIRQHandler
Mov [ES:BX], EAX
Pop ES
PopAD
Ret
EndP ResetIRQ
Assume DS:Nothing
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Proc StopAD1816
PushA
Mov AL, 1
Call AD1816RegisterIn
And BX, 07FFFh ; Disable PIE
Call AD1816RegisterOut
Mov DX, CS:BasePort
Inc DX
In AL, DX
And AL, Not 80h
Out DX, AL
Add DL, 7
In AL, DX
And AL, Not 1
Out DX, AL
PopA
Ret
EndP StopAD1816
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Proc StartAD1816
PushA
Push ES
Push DS
Push CS
Pop DS
Assume DS:Driver
; Setup DMA
Mov BX, DMASegment
Xor AX, AX
Mov DX, DMA
Mov DI, DMABUFFERLENGTH
Call SetDMA
LES DI, ActualDMAPtr
Xor AX, AX
Mov CX, DMABUFFERLENGTH/2
Rep StosW
Mov MixBufferPos, 0
Mov MixTransferRemaining, 0
Mov AL, 4
Call AD1816RegisterIn
Mov AL, 32
Call AD1816RegisterIn
Or BX, 08000h
Call AD1816RegisterOut
Mov AL, 2 ; Sample rate
Mov BX, MixSpeed
Call AD1816RegisterOut
Mov AL, 8 ; DMA Size
Mov BX, DMASize
ShR BX, 2
Dec BX
Call AD1816RegisterOut
Mov DX, BasePort ; Wave Format
Add DL, 8
Mov AL, 00010001b
Cmp Stereo, 0
JE StartAD1816A
Or AL, 4
StartAD1816A:
Out DX, AL
Mov AL, 1 ; Enable Playback interrupt
Call AD1816RegisterIn
Or BX, 8000h
Call AD1816RegisterOut
Pop DS
Pop ES
PopA
Ret
EndP StartAD1816
Assume DS:Nothing
;<3B><> InitSound <20><><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>
;
; Sets up any memory required for output
; Initiates output
;
; Parameters: AX = Number of Channels
;
; If sucessful, returns:
; Carry flag clear
; DS:SI = pointer to text to display
; AX = parameter 1 in text
; BX = parameter 2 in text
; CX = parameter 3 in text
; DX = parameter 4 in text
; DI = parameter 5 in text
;
; If unsucessful, returns:
; Carry flag set
;
;<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>
Proc InitSound Far
Push CS
Pop DS
Assume DS:Driver
Mov SI, Offset RelocationTable
RelocationFix:
LodsW
Test AX, AX
JZ RelocationEnd
Mov BX, AX
Mov [BX], DS
Jmp RelocationFix
RelocationEnd:
Call GetEMSPageFrame
Mov EMSPageFrame, AX
In AL, 0A1h
Mov AH, AL
In AL, 21h
Mov IMR, AX
Mov ECX, IdleUpdateInfoLine
Mov EDX, GlobalKeyList
Mov IdleFunctionList, ECX
Mov GlobalKeyLink2, EDX
Mov ECX, FillHeaderFunction
Mov EDX, DrawHeaderFunction
Mov FillHeader2, ECX
Mov ScreenHeader2, EDX
Mov AX, CmdLineMixSpeed
Test AX, AX
JZ ClipMixSpeed3
Cmp AX, 11050
JA ClipMixSpeed1
Mov AX, 11050
ClipMixSpeed1:
Cmp AX, 55200
JB ClipMixSpeed2
Mov AX, 55200
ClipMixSpeed2:
Mov MixSpeed, AX
ClipMixSpeed3:
Mov AX, 2643
Mul MixSpeed
Add AX, 0FFFFh
AdC DX, 2080
Mov BX, (DMABUFFERLENGTH*2)/16
Add BX, DX
; Allocate MixSegment first
Mov AH, 48h
Int 21h
JNC InitSound1
InitSoundNoMemory:
Mov SI, Offset ESSNoMemoryMsg
Ret
InitSound1:
Mov MixSegment, AX
Add AX, DX
Mov DMASegment, AX
Call SetIRQ
Call GetTempo
Call SetTempo
Call UpdateSoundcardVariables
Mov SI, Offset ESSMsg
Mov AX, BasePort
Mov BX, IRQ
Mov CX, DMA
Ret
EndP InitSound
Assume DS:Nothing
;<3B><> ReInitSound <20><><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>
;
; Reinitialises sound output
; Initiates sound output
;
; Parameters: AX = number of channels.
;
;<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>
Proc ReInitSound Far
PushA
Push DS
Push ES
Push CS
Pop DS
Assume DS:Driver
Call ResetIRQ
Call SetIRQ
Mov SI, Offset ReInitMsg
Mov BX, 40
Call SetInfoLine
Mov AL, Stereo
Call SetStereo
Pop ES
Pop DS
PopA
Ret
EndP ReInitSound
Assume DS:Nothing
;<3B><> UnInitSound <20><><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>
;
; Stops sound output, releases any memory used by driver
;
;<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>
Proc UnInitSound Far
Push CS
Pop DS
Assume DS:Driver
Mov AX, IMR
Out 21h, AL
Mov AL, AH
Out 0A1h, AL
Mov AX, MixSegment
Test AX, AX
JZ UnInitSound1
Push AX
Call StopAD1816
Call ResetIRQ
Pop ES
Mov AH, 49h ; Release MixSegment
Int 21h
UnInitSound1:
Call GotoHomeDirectory
; Now to save config into driver file.
Mov AX, 3D02h ; Read write access
Mov DX, Offset DriverName
Int 21h
JC SetMixMode1
Mov BX, AX
Mov AX, 4200h
Xor CX, CX
Mov DX, Offset CONFIGURATIONOFFSET
Int 21h
JC SetMixMode2
Mov AH, 40h
Mov CX, CONFIGSIZE
Mov DX, Offset MixMode
Int 21h
SetMixMode2:
Mov AH, 3Eh
Int 21h
SetMixMode1:
Ret
EndP UnInitSound
Assume DS:Nothing
;<3B><> Poll <20><><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>
;
; This procedure is called as often as possible by IT.EXE
; AX = Playmode (0 for nothing in particular, 1 = pattern, 2 = song)
;
;<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>
Proc Poll Far
DMAPort1 EQU $+1
In AL, 1
Mov BL, AL
DMAPort2 EQU $+1
In AL, 1
Mov BH, AL
Mov CS:Debug2, BX
Ret
EndP Poll
;<3B><> SetTempo <20><><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>
;
; Parameters: BX = tempo
;
;<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>
Proc SetTempo Far
Push AX
Push BX
Push DX
Push BX
Mov AX, MixSpeed
Mov BX, AX
Xor DX, DX
ShL AX, 1
RCL DX, 1 ; DX:AX = Mixspeed*2
ShR BX, 1 ; BX = Mixspeed/2
Add AX, BX
AdC DX, 0 ; DX:AX = Mixspeed*2.5
Pop BX ; BX = tempo
Div BX
Mov BytesToMix, AX
Pop DX
Pop BX
Pop AX
Ret
EndP SetTempo
;<3B><> SetMixVolume <20><><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>
;
; Parameters: AX = MixVolume
;
;<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>
Proc SetMixVolume Far
PushA
Push DS
Mov BX, AX ; BX = MixVolume
Mov CS:MixVolume, BX
Mov AX, CS:MixSegment
Test AX, AX
JZ SetMixVolume2
Mov DS, AX
Mov CX, MIXTABLESIZE/2
Mov SI, MIXTABLESIZE-2; Starting point - working backwards
SetMixVolume1:
Mov AX, CX
Dec AX ; AH = volume, AL = wave value.
Xor DX, DX
XChg AH, DL ; DL = Volume, AX = wave value
CBW
IMul DX ; DX:AX = Volume * Wave Value
; Ranges -8192->8128
IMul BX ; DX:AX = Volume * Wave Value * Mixing Volume
; Ranges -1048576->1040384
Add AX, 64
AdC DX, 0
ShRD AX, DX, 7
Mov [SI], AX
Sub SI, 2
Loop SetMixVolume1
SetMixVolume2:
Mov DS, Word Ptr [CS:RecalculateAllVolumes+2]
Call CS:RecalculateAllVolumes
Pop DS
PopA
Ret
EndP SetMixVolume
;<3B><> SetStereo <20><><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>
;
; Parameters: AL = Stereo on/off, 0 = off.
;
;<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>
Proc SetStereo Far
Mov CS:Stereo, AL
Cmp CS:MixSegment, 0
JE SetStereo1
Call StopAD1816
Call StartAD1816
SetStereo1:
Ret
EndP SetStereo
;<3B><> LoadSample <20><><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>
;
; Parameters: AX = sample to load
; DS:SI points to sample header
; ES:0 points to first sample
;
; Returns: **Carry set if NO error**
; **Carry clear if error**
;<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>
include loadsam.inc
;<3B><> ReleaseSample <20><><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>
;
; Parameters: AX = sample to release
; DS:SI points to sample header
;
;<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>
Proc ReleaseSample Far
Ret
EndP ReleaseSample
;<3B><> ResetMemory <20><><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>
;
; Frees all on-board memory
;
;<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>
Proc ResetMemory Far
Ret
EndP ResetMemory
;<3B><> GetStatus <20><><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>
;
; Frees all on-board memory
;
; Returns text to show on status line, AX = display parameter
; Carry set if not to show anything.
;
;<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>
Proc GetStatus Far
StC
Ret
EndP GetStatus
;<3B><> SoundCardScreen <20><><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>
;
; Function to have driver interactive part of program
;
;<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>
Proc SoundCardScreen Far
Mov AX, 5
Mov SI, 1
Mov CX, CS
Mov DX, Offset ESSScreenList
ClC
Ret
EndP SoundCardScreen
;<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>
Proc GetVariable Far
Xor AH, AH
Mov AL, [CS:VolumeTable+DI]
Ret
EndP GetVariable
;<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>
Proc UpdateSoundcardVariables
Mov AL, 4
Mov BX, 3F3Fh
Sub BX, [Word Ptr CS:VolumeTable]
Call AD1816RegisterOut
Mov AL, 33
Mov BX, 40h
Call AD1816RegisterOut
Mov AL, 39
Call AD1816RegisterIn
Mov CL, [CS:VolumeTable+2]
ShL CX, 9
And BX, 0110000111111111b
Or BX, CX
Call AD1816RegisterOut
Mov AL, 14
Xor BX, BX
Call AD1816RegisterOut
Mov AL, 44
Xor BX, BX
Call AD1816RegisterOut
Ret
EndP UpdateSoundcardVariables
;<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>
Proc SetVariable Far
Push DS
Push DX
Push CS
Pop DS
Assume DS:Driver
Mov [VolumeTable+DI], AL
Call UpdateSoundcardVariables
Pop DX
Pop DS
Ret
EndP SetVariable
;<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>
EndDriver:
;******** Provided Variable Table *************
MaxNumberOfChannels DW 0FFFFh ; Maximum number of channels the
; driver can handle.
StopAfterPlay DW 0
DefaultChannels DW 64
DW 5 Dup (0)
;******** Provided Procedure Table *************
ProvidedTableStart:
DW Offset DetectCard
DW Offset InitSound ; Playing related
DW Offset ReinitSound
DW Offset UninitSound
DW Offset Poll
DW Offset SetTempo ; Sound variable related
DW Offset SetMixVolume
DW Offset SetStereo
DW Offset LoadSample ; Sample related
DW Offset ReleaseSample
DW Offset ResetMemory
DW Offset GetStatus ; Returns string to show on status line
DW Offset SoundCardScreen ; Sound card 'screen'
DW Offset GetVariable ; For interface
DW Offset SetVariable
ProvidedTableEnd:
DW 32-(ProvidedTableEnd-ProvidedTableStart)/2 Dup (0)
EndS
End