1987 lines
56 KiB
NASM
Executable File
1987 lines
56 KiB
NASM
Executable File
|
||
.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
|
||
|
||
;**********************************
|
||
|
||
STEREOENABLED EQU 1
|
||
DMABUFFERLENGTH EQU 8192
|
||
MIXRESOLUTION EQU 32 ; 32 bit mixing for the PAS16
|
||
MIXTABLESIZE EQU 2*256*65
|
||
TIMERCONST EQU 11932
|
||
|
||
Debug1 DB 0
|
||
Debug2 DW 0
|
||
|
||
PAS16Msg DB "Pro Audio 16 Spectrum found", 13
|
||
DB "Port ", 0FDh, "Xh, IRQ ", 0FDh, "D, DMA ", 0FDh, "D", 0
|
||
|
||
PAS16NoMemoryMsg DB "Pro Audio 16 Spectrum found", 13
|
||
DB "Error: Insufficient memory", 0
|
||
|
||
ReinitMsg DB "Pro Audio 16 Spectrum reinitialised", 0
|
||
|
||
ConfigErrorMsg DB "Error saving configuration to ITPAS16.DRV", 0
|
||
ConfigOKMsg DB "Configuration saved to ITPAS16.DRV", 0
|
||
|
||
DriverName DB "ITPAS16.DRV", 0
|
||
|
||
Forced DB 0
|
||
Stereo DB 0
|
||
MixVolume DW 0
|
||
|
||
BytesToMix DW 1000
|
||
MixSpeed DW 44100
|
||
PASMixConst DW 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
|
||
OldIRQHandler DD 0
|
||
|
||
FilterValue DD 0
|
||
FilterValue2 DD 0
|
||
TimerAccumulator DW 0
|
||
|
||
DMALengthTable Label Byte
|
||
DB 1, 3, 5, 7, 0C2h, 0C6h, 0CAh, 0CEh
|
||
|
||
;**********************************
|
||
|
||
PAS16ScreenList Label
|
||
DW 6
|
||
DW Near Ptr IdleFunctionList
|
||
DW Near Ptr GlobalKeyLink
|
||
|
||
DW Near Ptr FullScreenBox ; 0
|
||
DW Near Ptr ScreenHeader
|
||
DW Near Ptr FillHeader
|
||
DW Near Ptr PAS16HeaderLine
|
||
|
||
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 0
|
||
|
||
PAS16HeaderLine DW 10
|
||
DB "Pro Audio Spectrum 16 Driver", 0
|
||
|
||
EmptyObject DW 1
|
||
DB 0, 0
|
||
DB 0
|
||
DB 0
|
||
|
||
DriverText DW 1
|
||
DB 26, 48
|
||
DB 21h
|
||
DB "Pro Audio Spectrum 16 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
|
||
|
||
MixModeText DW 1
|
||
DB 2, 13
|
||
DB 20h
|
||
DB "Mixing Mode", 0
|
||
|
||
MixModeButton1 DW 2
|
||
DW 0FFFFh, 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, 15, 32, 17, 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, 18, 32, 20, 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, 21, 32, 23, 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, 24, 32, 26, 8
|
||
DB 0
|
||
DB " 32 Bit, Interpolated", 0
|
||
|
||
FilterText DW 1
|
||
DB 2, 28
|
||
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, 30, 29, 32, 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, 33, 29, 35, 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, 36, 29, 38, 8
|
||
DB 0
|
||
DB " 75% Filter", 0
|
||
|
||
VolumeTable DB 6 Dup (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 dma.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>
|
||
|
||
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
|
||
ClI
|
||
Jmp SetMixModeChain
|
||
|
||
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
|
||
|
||
SetMixModeChain:
|
||
Call GotoHomeDirectory
|
||
|
||
; Now to save config into driver file.
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Mov AX, 3D02h ; Read write access
|
||
Mov DX, Offset DriverName
|
||
Mov SI, Offset ConfigErrorMsg
|
||
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:
|
||
PushF
|
||
Mov AH, 3Eh
|
||
Int 21h
|
||
PopF
|
||
|
||
JC SetMixMode1
|
||
|
||
Mov SI, Offset ConfigOKMsg
|
||
|
||
SetMixMode1:
|
||
Mov BX, 40
|
||
Call SetInfoLine
|
||
|
||
Mov AX, 1
|
||
Ret
|
||
|
||
EndP SetMixMode
|
||
Assume DS:Nothing
|
||
|
||
;<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 GetMixSpeed
|
||
Assume DS:Driver
|
||
|
||
Push AX
|
||
Push CX
|
||
Push DX
|
||
|
||
Mov DX, 12h
|
||
Mov AX, 34DCh
|
||
Mov CX, PASMixConst
|
||
Cmp CS:Stereo, 0
|
||
JE GetMixSpeed1
|
||
|
||
And CX, Not 1
|
||
|
||
GetMixSpeed1:
|
||
Div CX
|
||
|
||
GetMixSpeed2:
|
||
Mov MixSpeed, AX
|
||
|
||
Pop DX
|
||
Pop CX
|
||
Pop AX
|
||
Ret
|
||
|
||
EndP GetMixSpeed
|
||
Assume DS:Nothing
|
||
|
||
;<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 GetPASMixConst ; Work out value.. and nearest
|
||
; mixspeed value.
|
||
|
||
PushA
|
||
Push DS
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Mov AX, CmdLineMixSpeed
|
||
Mov CX, MixSpeed
|
||
Test AX, AX
|
||
JZ GetPASMixConst1
|
||
|
||
Mov CX, 44100
|
||
Cmp AX, CX
|
||
JA GetPASMixConst1
|
||
|
||
Mov CX, 12000
|
||
Cmp AX, CX
|
||
JB GetPASMixConst1
|
||
|
||
Mov CX, AX
|
||
|
||
GetPASMixConst1:
|
||
Mov MixSpeed, CX
|
||
|
||
Mov DX, 012h
|
||
Mov AX, 34DCh
|
||
Div CX
|
||
|
||
Mov PASMixConst, AX
|
||
Mov BX, AX
|
||
|
||
Pop DS
|
||
PopA
|
||
Ret
|
||
|
||
EndP GetPASMixConst
|
||
Assume DS:Nothing
|
||
|
||
;<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 TestPAS ; AX = port
|
||
|
||
Push AX
|
||
|
||
Mov DX, 803h ; Default is 0B8Bh
|
||
Xor DX, AX ; DX = Interrupt Control port
|
||
In AL, DX
|
||
|
||
Cmp AL, 0FFh
|
||
JE TestPAS1
|
||
|
||
Mov AH, AL
|
||
Xor AL, 11100000b
|
||
Out DX, AL
|
||
|
||
Jmp $+2
|
||
Jmp $+2
|
||
In AL, DX
|
||
|
||
Cmp AL, AH
|
||
XChg AH, AL
|
||
Out DX, AL
|
||
JNE TestPAS1
|
||
|
||
Pop AX
|
||
Push AX
|
||
|
||
Mov DX, AX ; PAS 16?
|
||
Xor DX, 0EF8Bh xor 388h
|
||
In AL, DX
|
||
Test AL, 8
|
||
JZ TestPAS1
|
||
|
||
Pop AX
|
||
|
||
ClC
|
||
Ret
|
||
|
||
TestPAS1:
|
||
Pop AX
|
||
StC
|
||
Ret
|
||
|
||
EndP TestPAS
|
||
|
||
; <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>
|
||
|
||
Proc DetectCard Far
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Mov AX, 0BC00h
|
||
Mov BX, '??'
|
||
Xor CX, CX
|
||
Xor DX, DX
|
||
Int 2Fh
|
||
|
||
Xor BX, CX
|
||
Xor BX, DX
|
||
Cmp BX, 'M'*256+'V'
|
||
JE DetectPAS4 ; MVSound.Sys installed!
|
||
|
||
DetectPAS7:
|
||
StC
|
||
Ret
|
||
|
||
DetectPAS4:
|
||
Mov AX, BasePort
|
||
Cmp AX, 0FFFFh
|
||
JE DetectPAS1
|
||
Cmp AX, 388h
|
||
JE DetectPAS6
|
||
Cmp AX, 384h
|
||
JE DetectPAS6
|
||
Cmp AX, 38Ch
|
||
JE DetectPAS6
|
||
Cmp AX, 288h
|
||
JNE DetectPAS7
|
||
|
||
DetectPAS6:
|
||
Call TestPAS
|
||
JNC DetectPAS2
|
||
|
||
Ret
|
||
|
||
DetectPAS1:
|
||
Mov AX, 388h
|
||
Call TestPAS
|
||
JNC DetectPAS2
|
||
|
||
Mov AX, 384h
|
||
Call TestPAS
|
||
JNC DetectPAS2
|
||
|
||
Mov AX, 38Ch
|
||
Call TestPAS
|
||
JNC DetectPAS2
|
||
|
||
Mov AX, 288h
|
||
Call TestPAS
|
||
JNC DetectPAS2
|
||
|
||
Ret ; No card!
|
||
|
||
DetectPAS2:
|
||
Push AX
|
||
|
||
Mov AX, 0BC04h
|
||
Int 2Fh
|
||
|
||
Cmp AX, 'M'*256+'V'
|
||
JNE DetectPAS3
|
||
|
||
Pop AX
|
||
|
||
Mov BasePort, AX
|
||
Mov DMA, BX
|
||
Mov IRQ, CX
|
||
|
||
Mov AL, [DMALengthTable+BX]
|
||
Mov Byte Ptr [DMAPort1], AL
|
||
Mov Byte Ptr [DMAPort2], AL
|
||
|
||
Mov AX, DMABUFFERLENGTH/2
|
||
Cmp BX, 4
|
||
JB DetectPAS5
|
||
|
||
ShR AX, 1
|
||
|
||
DetectPAS5:
|
||
Mov Word Ptr [DMABufferLength1], AX
|
||
Mov Word Ptr [DMABufferLength2], AX
|
||
|
||
Mov EAX, 'Jeff'
|
||
ClC
|
||
Ret
|
||
|
||
DetectPAS3:
|
||
Pop AX
|
||
StC
|
||
Ret
|
||
|
||
EndP DetectCard
|
||
Assume DS:Nothing
|
||
|
||
;<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>
|
||
|
||
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
|
||
|
||
;<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 PAS16IRQHandler
|
||
|
||
Push AX
|
||
Push BX
|
||
Push DS
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Add TimerAccumulator, TIMERCONST
|
||
JC PAS16IRQHandler11
|
||
|
||
Mov AL, 20h
|
||
Out 20h, AL
|
||
Jmp PAS16IRQHandler12
|
||
|
||
PAS16IRQHandler11:
|
||
PushF
|
||
Call [OldIRQHandler]
|
||
|
||
PAS16IRQHandler12:
|
||
|
||
DMAPort1 EQU $+1
|
||
In AL, 1
|
||
Mov AH, AL
|
||
DMAPort2 EQU $+1
|
||
In AL, 1
|
||
XChg AL, AH
|
||
|
||
Mov Debug2, AX
|
||
|
||
Cmp MixBufferPos, 0
|
||
JE PAS16IRQHandler13
|
||
|
||
Xor BX, BX
|
||
DMABufferLength1 EQU $+1
|
||
Cmp AX, 1234h
|
||
JB PAS16IRQHandler1
|
||
|
||
Pop DS
|
||
Pop BX
|
||
Pop AX
|
||
IRet
|
||
|
||
PAS16IRQHandler13:
|
||
Mov BX, DMABUFFERLENGTH/2
|
||
DMABufferLength2 EQU $+1
|
||
Cmp AX, 1234h
|
||
JAE PAS16IRQHandler1
|
||
|
||
Pop DS
|
||
Pop BX
|
||
Pop AX
|
||
IRet
|
||
|
||
PAS16IRQHandler1:
|
||
Xor MixBufferPos, 1
|
||
|
||
PushAD
|
||
Push ES
|
||
|
||
CLD
|
||
|
||
|
||
; OK... time to get next block
|
||
; Check whether stereo thing is on..
|
||
;
|
||
LES DI, [ActualDMAPtr]
|
||
Add DI, BX
|
||
|
||
Mov BX, DMABUFFERLENGTH/4 ; BX = samples required
|
||
Mov BP, 8 ; Skip for mono
|
||
Mov CL, 14 ; Shift for mono
|
||
|
||
Cmp Stereo, 0
|
||
JE PAS16IRQHandlerMono
|
||
|
||
Mov BP, 4 ; Stereo skip value.
|
||
Dec CL
|
||
|
||
PAS16IRQHandlerMono:
|
||
Call SaveEMSPageFrame
|
||
|
||
Cmp MixTransferRemaining, 0
|
||
JNE PAS16IRQHandler4
|
||
Assume DS:Nothing
|
||
|
||
PAS16IRQHandler3:
|
||
Push BX
|
||
Push CX
|
||
Push BP
|
||
Push ES
|
||
Push DI
|
||
|
||
Call Update
|
||
Call MixSamples
|
||
|
||
Pop DI
|
||
Pop ES
|
||
Pop BP
|
||
Pop CX
|
||
Pop BX
|
||
|
||
PAS16IRQHandler4:
|
||
Mov DS, MixSegment
|
||
Mov SI, MixTransferOffset
|
||
Mov DX, BX ; DX = samples to transfer
|
||
Cmp DX, MixTransferRemaining
|
||
JBE PAS16IRQHandler5
|
||
|
||
Mov DX, MixTransferRemaining
|
||
|
||
PAS16IRQHandler5:
|
||
Push DX
|
||
Cmp CS:Filter, 1
|
||
JB PAS16IRQHandler6
|
||
JE PAS16IRQHFilter
|
||
|
||
Cmp CS:Stereo, 0
|
||
JE PAS16IRQ3QFilterMono
|
||
|
||
PAS16IRQ3QFilterStereo:
|
||
Push BX
|
||
|
||
Mov EBX, FilterValue
|
||
Mov EBP, FilterValue2
|
||
ShR DX, 1
|
||
|
||
PAS16IRQ3QFilterStereo1:
|
||
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 PAS163QFilterStereoClip1
|
||
Cmp EAX, 7FFFh
|
||
JG PAS163QFilterStereoClip2
|
||
|
||
PAS16IRQ3QFilterStereo2:
|
||
StosW
|
||
|
||
Mov EAX, EBP
|
||
SAR EAX, 13
|
||
|
||
Cmp EAX, -8000h
|
||
JL PAS163QFilterStereoClip3
|
||
Cmp EAX, 7FFFh
|
||
JG PAS163QFilterStereoClip4
|
||
|
||
PAS16IRQ3QFilterStereo3:
|
||
StosW
|
||
|
||
Add SI, 8
|
||
Dec DX
|
||
JNZ PAS16IRQ3QFilterStereo1
|
||
|
||
Mov FilterValue, EBX
|
||
Mov FilterValue2, EBP
|
||
|
||
Pop BX
|
||
|
||
Jmp PAS16MixTransferEnd
|
||
|
||
PAS16IRQ3QFilterMono:
|
||
Push BX
|
||
|
||
Mov EBX, FilterValue
|
||
|
||
PAS16IRQ3QFilterMono1:
|
||
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 PAS163QFilterMonoClip1
|
||
Cmp EAX, 7FFFh
|
||
JG PAS163QFilterMonoClip2
|
||
|
||
PAS16IRQ3QFilterMono2:
|
||
StosW
|
||
|
||
Add SI, 8
|
||
Dec DX
|
||
JNZ PAS16IRQ3QFilterMono1
|
||
|
||
Mov FilterValue, EBX
|
||
|
||
Pop BX
|
||
|
||
Jmp PAS16MixTransferEnd
|
||
|
||
PAS16IRQHFilter:
|
||
Cmp CS:Stereo, 0
|
||
JE PAS16IRQHFilterMono
|
||
|
||
PAS16IRQHFilterStereo:
|
||
Push BX
|
||
|
||
Mov EBX, FilterValue
|
||
Mov EBP, FilterValue2
|
||
ShR DX, 1
|
||
|
||
PAS16IRQHFilterStereo1:
|
||
Add EBX, [SI]
|
||
Add EBP, [SI+4]
|
||
|
||
SAR EBX, 1
|
||
SAR EBP, 1
|
||
|
||
Mov EAX, EBX
|
||
SAR EAX, 13
|
||
|
||
Cmp EAX, -8000h
|
||
JL PAS16HFilterStereoClip1
|
||
Cmp EAX, 7FFFh
|
||
JG PAS16HFilterStereoClip2
|
||
|
||
PAS16IRQHFilterStereo2:
|
||
StosW
|
||
|
||
Mov EAX, EBP
|
||
SAR EAX, 13
|
||
|
||
Cmp EAX, -8000h
|
||
JL PAS16HFilterStereoClip3
|
||
Cmp EAX, 7FFFh
|
||
JG PAS16HFilterStereoClip4
|
||
|
||
PAS16IRQHFilterStereo3:
|
||
StosW
|
||
|
||
Add SI, 8
|
||
Dec DX
|
||
JNZ PAS16IRQHFilterStereo1
|
||
|
||
Mov FilterValue, EBX
|
||
Mov FilterValue2, EBP
|
||
|
||
Pop BX
|
||
|
||
Jmp PAS16MixTransferEnd
|
||
|
||
PAS16IRQHFilterMono:
|
||
Push BX
|
||
|
||
Mov EBX, FilterValue
|
||
|
||
PAS16IRQHFilterMono1:
|
||
Add EBX, [SI]
|
||
SAR EBX, 1
|
||
Mov EAX, EBX
|
||
SAR EAX, 14
|
||
|
||
Cmp EAX, -8000h
|
||
JL PAS16HFilterMonoClip1
|
||
Cmp EAX, 7FFFh
|
||
JG PAS16HFilterMonoClip2
|
||
|
||
PAS16IRQHFilterMono2:
|
||
StosW
|
||
|
||
Add SI, 8
|
||
Dec DX
|
||
JNZ PAS16IRQHFilterMono1
|
||
|
||
Mov FilterValue, EBX
|
||
|
||
Pop BX
|
||
|
||
Jmp PAS16MixTransferEnd
|
||
|
||
PAS16IRQHandler6:
|
||
Mov EAX, [SI]
|
||
SAR EAX, CL
|
||
|
||
Cmp EAX, -8000h
|
||
JL PAS16IRQHandlerClip1
|
||
Cmp EAX, 7FFFh
|
||
JG PAS16IRQHandlerClip2
|
||
|
||
PAS16IRQHandler7:
|
||
StosW ; } Memory write
|
||
|
||
Add SI, BP
|
||
Dec DX
|
||
JNZ PAS16IRQHandler6
|
||
|
||
PAS16MixTransferEnd:
|
||
Pop DX
|
||
|
||
Sub MixTransferRemaining, DX ; } Memory write
|
||
Sub BX, DX
|
||
JNZ PAS16IRQHandler3
|
||
|
||
Mov MixTransferOffset, SI ; } Memory write
|
||
|
||
Call RestoreEMSPageFrame
|
||
|
||
Pop ES
|
||
PopAD
|
||
Pop DS
|
||
Pop BX
|
||
Pop AX
|
||
IRet
|
||
|
||
PAS16IRQHandlerClip1:
|
||
Mov AX, 8000h
|
||
Jmp PAS16IRQHandler7
|
||
|
||
PAS16IRQHandlerClip2:
|
||
Mov AX, 7FFFh
|
||
Jmp PAS16IRQHandler7
|
||
|
||
PAS16HFilterMonoClip1:
|
||
Mov AX, 8000h
|
||
Jmp PAS16IRQHFilterMono2
|
||
|
||
PAS16HFilterMonoClip2:
|
||
Mov AX, 7FFFh
|
||
Jmp PAS16IRQHFilterMono2
|
||
|
||
PAS16HFilterStereoClip1:
|
||
Mov AX, 8000h
|
||
Jmp PAS16IRQHFilterStereo2
|
||
|
||
PAS16HFilterStereoClip2:
|
||
Mov AX, 7FFFh
|
||
Jmp PAS16IRQHFilterStereo2
|
||
|
||
PAS16HFilterStereoClip3:
|
||
Mov AX, 8000h
|
||
Jmp PAS16IRQHFilterStereo3
|
||
|
||
PAS16HFilterStereoClip4:
|
||
Mov AX, 7FFFh
|
||
Jmp PAS16IRQHFilterStereo3
|
||
|
||
PAS163QFilterMonoClip1:
|
||
Mov AX, 8000h
|
||
Jmp PAS16IRQ3QFilterMono2
|
||
|
||
PAS163QFilterMonoClip2:
|
||
Mov AX, 7FFFh
|
||
Jmp PAS16IRQ3QFilterMono2
|
||
|
||
PAS163QFilterStereoClip1:
|
||
Mov AX, 8000h
|
||
Jmp PAS16IRQ3QFilterStereo2
|
||
|
||
PAS163QFilterStereoClip2:
|
||
Mov AX, 7FFFh
|
||
Jmp PAS16IRQ3QFilterStereo2
|
||
|
||
PAS163QFilterStereoClip3:
|
||
Mov AX, 8000h
|
||
Jmp PAS16IRQ3QFilterStereo3
|
||
|
||
PAS163QFilterStereoClip4:
|
||
Mov AX, 7FFFh
|
||
Jmp PAS16IRQ3QFilterStereo3
|
||
|
||
EndP PAS16IRQHandler
|
||
Assume DS:Nothing
|
||
|
||
;<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 SetIRQ
|
||
|
||
Push EAX
|
||
Push ES
|
||
|
||
Xor AX, AX
|
||
Mov ES, AX
|
||
|
||
Mov AL, 34h ; Program IRQ 0. LSB&MSB, Rate gen
|
||
Out 43h, AL
|
||
|
||
; bump the interrupt to be called
|
||
; 100 times a second.
|
||
Mov AX, TIMERCONST
|
||
Out 40h, AL
|
||
Mov AL, AH
|
||
Out 40h, AL
|
||
|
||
Mov AX, CS
|
||
ShL EAX, 16
|
||
Mov AX, Offset PAS16IRQHandler
|
||
|
||
ClI
|
||
|
||
XChg [ES:20h], EAX ; Hook to timer interrupt
|
||
Mov CS:OldIRQHandler, EAX
|
||
|
||
StI
|
||
|
||
Pop ES
|
||
Pop EAX
|
||
|
||
Ret
|
||
|
||
EndP SetIRQ
|
||
Assume DS:Nothing
|
||
|
||
;<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 ResetIRQ
|
||
|
||
Push EAX
|
||
Push ES
|
||
|
||
Xor AX, AX
|
||
Mov ES, AX
|
||
|
||
Mov AL, 34h ; Program IRQ 0. LSB&MSB, Rate gen
|
||
Out 43h, AL
|
||
|
||
Xor AL, AL
|
||
Out 40h, AL ; Interrupt called at normal 18.2 times
|
||
Out 40h, AL
|
||
|
||
Mov EAX, CS:OldIRQHandler
|
||
Mov [ES:20h], EAX
|
||
|
||
Pop ES
|
||
Pop EAX
|
||
|
||
Ret
|
||
|
||
EndP ResetIRQ
|
||
Assume DS:Nothing
|
||
|
||
;<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 StopPAS16
|
||
|
||
Mov DX, BasePort
|
||
Xor AL, AL
|
||
Xor DX, 0B89h xor 388h ; Interrupt Status register
|
||
Out DX, AL
|
||
|
||
Mov DX, BasePort ; Audio filter control
|
||
Mov AL, 1
|
||
Xor DX, 0B8Ah xor 388h ; Disable buffer counter
|
||
Out DX, AL ; and PAS 16 output
|
||
|
||
Mov DX, BasePort
|
||
Xor DX, 8389h xor 388h ; SysConfig2
|
||
In AL, DX ; Get SysConfig2
|
||
And AL, Not 4 ; Reset 8 bits
|
||
Out DX, AL
|
||
|
||
Mov DX, BasePort
|
||
Mov AL, 19h ; Mono, L2L, R2R
|
||
Xor DX, 0F8Ah xor 388h ; Cross channel register
|
||
Out DX, AL
|
||
|
||
Ret
|
||
|
||
EndP StopPAS16
|
||
|
||
;<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 StartPAS16 ;
|
||
|
||
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 DX, BasePort
|
||
Xor AL, AL
|
||
Xor DX, 0B89h xor 388h ; Interrupt Status register
|
||
Out DX, AL
|
||
|
||
Mov DX, BasePort ; Audio filter control
|
||
Mov AL, 1
|
||
Xor DX, 0B8Ah xor 388h ; Disable buffer counter
|
||
Out DX, AL ; and PAS 16 output
|
||
|
||
Mov DX, BasePort
|
||
Mov AL, 19h
|
||
Xor DX, 0F8Ah xor 388h ; Cross channel register
|
||
Out DX, AL
|
||
|
||
Mov DX, BasePort
|
||
Xor DX, 138Bh xor 388h ; Timer control,
|
||
Mov AL, 00110110b ; 36h - set frequency
|
||
Out DX, AL
|
||
|
||
Mov DX, BasePort
|
||
Xor DX, 1388h xor 388h
|
||
Mov AX, PASMixConst
|
||
Cmp Stereo, 0
|
||
JE StartPAS16_2
|
||
|
||
ShR AX, 1
|
||
|
||
StartPAS16_2:
|
||
Out DX, AL
|
||
Mov AL, AH
|
||
Out DX, AL
|
||
|
||
Call GetMixSpeed
|
||
Call GetTempo
|
||
Call SetTempo
|
||
|
||
Mov DX, BasePort
|
||
Xor DX, 138Bh xor 388h ; Timer control
|
||
Mov AL, 01110100b ; 74h - set buffer count
|
||
Out DX, AL
|
||
|
||
Mov DX, BasePort ; Sample count
|
||
Mov AX, DMABUFFERLENGTH
|
||
Xor DX, 1389h xor 388h
|
||
|
||
Cmp DMA, 4
|
||
JB StartPAS16_1
|
||
|
||
ShR AX, 1
|
||
|
||
StartPAS16_1:
|
||
Out DX, AL
|
||
Mov AL, AH
|
||
Out DX, AL
|
||
|
||
Mov DX, BasePort
|
||
Xor DX, 8389h xor 388h ; SysConfig2
|
||
In AL, DX ; Get SysConfig2
|
||
Or AL, 4 ; Set 16 bits
|
||
Out DX, AL
|
||
|
||
Mov AL, Stereo
|
||
Xor AL, 1 ; 0 if stereo, 1 if mono.
|
||
ShL AL, 5
|
||
Mov DX, BasePort
|
||
Or AL, 099h ; Enable DRQ, DAC output
|
||
Xor DX, 0F8Ah xor 388h
|
||
Out DX, AL
|
||
Jmp $+2
|
||
Jmp $+2
|
||
Or AL, 40h ; Enable PCM
|
||
Out DX, AL
|
||
|
||
Mov DX, BasePort
|
||
Xor DX, 0B8Bh xor 388h
|
||
In AL, DX
|
||
Or AL, 8 ; Enable sample buffer intr
|
||
Out DX, AL
|
||
|
||
Mov DX, BasePort ; Disable output&timers
|
||
Mov AL, 0E1h ; disable mute, enable sample rate
|
||
; timer and sample buffer counter.
|
||
Xor DX, 0B8Ah xor 388h
|
||
Out DX, AL
|
||
|
||
Pop DS
|
||
Pop ES
|
||
PopA
|
||
|
||
Ret
|
||
|
||
Assume DS:Nothing
|
||
|
||
EndP StartPAS16
|
||
|
||
;<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
|
||
|
||
Call GetPASMixConst
|
||
|
||
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 PAS16NoMemoryMsg
|
||
Ret
|
||
|
||
InitSound1:
|
||
Mov MixSegment, AX
|
||
Add AX, DX
|
||
Mov DMASegment, AX
|
||
|
||
Call SetIRQ
|
||
Call GetTempo
|
||
Call SetTempo
|
||
|
||
Mov SI, Offset PAS16Msg
|
||
|
||
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
|
||
|
||
Mov ES, AX
|
||
Mov AH, 49h ; Release MixSegment
|
||
Int 21h
|
||
|
||
Call StopPAS16
|
||
Call ResetIRQ
|
||
|
||
UnInitSound1:
|
||
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
|
||
|
||
; In AL, 1
|
||
; Mov AH, AL
|
||
; In AL, 1
|
||
; Mov CS:Debug2, AX
|
||
|
||
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:
|
||
Call 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 RecalculateAllFrequencies
|
||
|
||
Call GetChannelTables
|
||
|
||
RecalculateAllFrequencies1:
|
||
Or Byte Ptr [SI], 32
|
||
|
||
Add SI, 128
|
||
Dec CX
|
||
JNZ RecalculateAllFrequencies1
|
||
|
||
Ret
|
||
|
||
EndP RecalculateAllFrequencies
|
||
|
||
|
||
Proc SetStereo Far
|
||
|
||
Mov CS:Stereo, AL
|
||
Cmp CS:MixSegment, 0
|
||
JE SetStereo1
|
||
|
||
Call StopPAS16
|
||
Call StartPAS16
|
||
|
||
Call RecalculateAllFrequencies
|
||
|
||
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 PAS16ScreenList
|
||
|
||
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 ; Returns AX, given DI
|
||
|
||
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 SetVariable Far ; Given AX, DI
|
||
|
||
Push DS
|
||
Push DX
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Mov [VolumeTable+DI], AL
|
||
|
||
Comment ~
|
||
|
||
Mov DX, BasePort
|
||
Add DL, 4
|
||
Mov AL, 30h
|
||
Mov AH, [VolumeTable]
|
||
ShL AH, 3
|
||
Out DX, AX
|
||
|
||
Mov AL, 31h
|
||
Mov AH, [VolumeTable+1]
|
||
ShL AH, 3
|
||
Out DX, AX
|
||
|
||
Mov AL, 44h
|
||
Mov AH, [VolumeTable+2]
|
||
ShL AH, 4
|
||
Out DX, AX
|
||
|
||
Mov AL, 45h
|
||
Mov AH, [VolumeTable+3]
|
||
ShL AH, 4
|
||
Out DX, AX
|
||
|
||
Mov AL, 46h
|
||
Mov AH, [VolumeTable+4]
|
||
ShL AH, 4
|
||
Out DX, AX
|
||
|
||
Mov AL, 47h
|
||
Mov AH, [VolumeTable+5]
|
||
ShL AH, 4
|
||
Out DX, AX
|
||
|
||
~
|
||
|
||
Pop DX
|
||
Pop DS
|
||
Ret
|
||
|
||
EndP SetVariable
|
||
Assume DS:Nothing
|
||
|
||
;<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
|