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impulsetracker/SoundDrivers/GUS.INC

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initial work on port updated readme, new "build system," fixed some errors
2023-03-09 21:35:56 -08:00
.386P
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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
;************** Local variables ****************
SLAVECHANNELSIZE EQU 128
GUSReinitMsg DB "Gravis UltraSound reinitialised", 0
GUSID DB "Gravis UltraSound detected", 13
DB "Port ", 0FDh, "Xh, ", 0FDh, "Dk Memory", 0
GUSID2 DB "Gravis UltraSound detected", 13
DB "Port ", 0FDh, "Xh, IRQ ", 0FDh, "D, ", 0FDh, "Dk RAM", 0
GUSFreeMsg DB "FreeGUS ", 0FDh, "Dk", 0
IFDEF RIC
GUSFreeMsg2 DB "FreeGUS ", 0FDh, "Dk", 13, 13
DB "GUSInit ", 0FDh, "D", 0
IFDEF RAMP
DriverName DB "ITGUS.DRV", 0
ELSE
DriverName DB "ITGUS2.DRV", 0
ENDIF
ENDIF
ULTRASndString DB "ULTRASND"
GUSMixTable Label Word
DW 44100, 41160, 38588, 36318, 34300, 32495, 30870, 29400, 28064
DW 26844, 25725, 24696, 23746, 22867, 22050, 21290, 20580, 19916
DW 19294
GUSVolumeTable Label Word
DW 04000h, 07FF0h, 08FF0h, 09800h, 09FF0h, 0A400h, 0A800h, 0AC00h
DW 0AFF0h, 0B200h, 0B400h, 0B600h, 0B800h, 0BA00h, 0BC00h, 0BE00h
DW 0BFF0h, 0C100h, 0C200h, 0C300h, 0C400h, 0C500h, 0C600h, 0C700h
DW 0C800h, 0C900h, 0CA00h, 0CB00h, 0CC00h, 0CD00h, 0CE00h, 0CF00h
DW 0CFF0h, 0D080h, 0D100h, 0D180h, 0D200h, 0D280h, 0D300h, 0D380h
DW 0D400h, 0D480h, 0D500h, 0D580h, 0D600h, 0D680h, 0D700h, 0D780h
DW 0D800h, 0D880h, 0D900h, 0D980h, 0DA00h, 0DA80h, 0DB00h, 0DB80h
DW 0DC00h, 0DC80h, 0DD00h, 0DD80h, 0DE00h, 0DE80h, 0DF00h, 0DF80h
DW 0DFF0h, 0E040h, 0E080h, 0E0C0h, 0E100h, 0E140h, 0E180h, 0E1C0h
DW 0E200h, 0E240h, 0E280h, 0E2C0h, 0E300h, 0E340h, 0E380h, 0E3C0h
DW 0E400h, 0E440h, 0E480h, 0E4C0h, 0E500h, 0E540h, 0E580h, 0E5C0h
DW 0E600h, 0E640h, 0E680h, 0E6C0h, 0E700h, 0E740h, 0E780h, 0E7C0h
DW 0E800h, 0E840h, 0E880h, 0E8C0h, 0E900h, 0E940h, 0E980h, 0E9C0h
DW 0EA00h, 0EA40h, 0EA80h, 0EAC0h, 0EB00h, 0EB40h, 0EB80h, 0EBC0h
DW 0EC00h, 0EC40h, 0EC80h, 0ECC0h, 0ED00h, 0ED40h, 0ED80h, 0EDC0h
DW 0EE00h, 0EE40h, 0EE80h, 0EEC0h, 0EF00h, 0EF40h, 0EF80h, 0EFC0h
DW 0EFF0h
ALIGN 4
GUSDataTable DD 100 Dup (0FFFFFFFFh)
GUSMemory DW 0 ; kb of memory on GUS
GUSRegisterSelect DW 0
GUSVoiceSelect DW 0
GUSUpdateTimer DW 0
GUSUpdateCount DW 0
GUSMemoryFree DD 0
MixSpeed DW 0
OldIRQHandler DD 0
CONFIGURATIONOFFSET EQU $+128
CONFIGSIZE EQU 8
Convert16To8Bit DB 0
DB 0
Compress DB 0
DB 0
IFDEF RIC
ShowReinit DB 0
DB 0
UsedChannels DW ?
ENDIF
Stereo DB 0
GUSUpdateFlag DB 0
MIDIIRQ DW 0FFFFh
MIDIBuffer DB 256 Dup (0)
MIDIBufferHead DB 0
MIDIBufferTail DB 0
MIDIOldIRQHandler 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
IMR DW 0
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GUSScreenList 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 GravisHeaderLine
DW SampleText ; 4
DW ConvertSampleText
DW ConvertDisabledButton ; 6
DW ConvertEnabledButton
DW SampleSizeText ; 8
DW SampleSize0Button ; 9
DW SampleSize1Button
DW SampleSize2Button
IFDEF RIC
DW ReinitText ; 12
DW ReinitButton0
DW ReinitButton1
DW ReinitButton2
ENDIF
DW DriverText
DW 0
GravisHeaderLine DW 10
DB "Gravis UltraSound Driver", 0
DriverText DW 1
DB 30, 48
DB 21h
DB "Gravis UltraSound Driver 1.3 for Impulse Tracker", 0
SampleText DW 1
DB 3, 13
DB 20h
DB "Sample resizing options", 0
ConvertSampleText DW 1
DB 5, 15
DB 20h
DB "Reduce 16 bit samples to 8 bit", 0
ConvertDisabledButton DW 2
DW 0FFFFh, 7, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetConvert
DriverSegment1 DW 0
DW 0
DW Offset SetConvert
DriverSegment2 DW 0
DB 7, 17, 20, 19, 8
DB 0
DB " Disabled", 0
ConvertEnabledButton DW 2
DW 6, 9, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetConvert
DriverSegment3 DW 0
DW 1
DW Offset SetConvert
DriverSegment4 DW 0
DB 7, 20, 20, 22, 8
DB 0
DB " Enabled", 0
SampleSizeText DW 1
DB 5, 24
DB 20h
DB "Sample size", 0
SampleSize0Button DW 2
DW 7, 10, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetCompress
DriverSegment5 DW 0
DW 0
DW Offset SetCompress
DriverSegment6 DW 0
DB 7, 26, 20, 28, 8
DB 0
DB " Original", 0
SampleSize1Button DW 2
DW 9, 11, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetCompress
DriverSegment7 DW 0
DW 1
DW Offset SetCompress
DriverSegment8 DW 0
DB 7, 29, 20, 31, 8
DB 0
DB " Half", 0
IFDEF RIC
SampleSize2Button DW 2
DW 10, 13, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetCompress
DriverSegment9 DW 0
DW 2
DW Offset SetCompress
DriverSegment10 DW 0
DB 7, 32, 20, 34, 8
DB 0
DB " Quarter", 0
ReinitText DW 1
DB 3, 36
DB 20h
DB "Show channel reinitialisation", 0
ReinitButton0 DW 2
DW 11, 14, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetReinit
DriverSegment11 DW 0
DW 0
DW Offset SetReinit
DriverSegment12 DW 0
DB 7, 38, 21, 40, 8
DB 0
DB " Disabled", 0
ReinitButton1 DW 2
DW 13, 15, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetReinit
DriverSegment13 DW 0
DW 1
DW Offset SetReinit
DriverSegment14 DW 0
DB 7, 41, 21, 43, 8
DB 0
DB " Channels", 0
ReinitButton2 DW 2
DW 14, 0FFFFh, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetReinit
DriverSegment15 DW 0
DW 2
DW Offset SetReinit
DriverSegment16 DW 0
DB 7, 44, 21, 46, 8
DB 0
DB " Frequency", 0
ELSE
SampleSize2Button DW 2
DW 10, 0FFFFh, 0FFFFh, 0FFFFh
DW 0
DW 0, 0
DW 6
DW Offset GetCompress
DriverSegment9 DW 0
DW 2
DW Offset SetCompress
DriverSegment10 DW 0
DB 7, 32, 20, 34, 8
DB 0
DB " Quarter", 0
ENDIF
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
RelocationTable Label
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
IFDEF RIC
DW Offset DriverSegment11, Offset DriverSegment12
DW Offset DriverSegment13, Offset DriverSegment14
DW Offset DriverSegment15, Offset DriverSegment16
ENDIF
DW 0FFFFh
;*********** Local functions *******************
;
; GUSDelay - produces delay between GUS commands
; TestGUS - Checks for the presence of a GUS by detecting amount of memory.
; LoadGUSSample - Loads a byte to GUS, EDI = position in memory, AL = value
; LoadGUSSamples - Loads ECX bytes from DS:SI to EDI
;
;***********************************************
Proc GUSDelay
Push AX
Push DX
Mov DX, 300h
In AL, DX
In AL, DX
In AL, DX
In AL, DX
In AL, DX
In AL, DX
In AL, DX
In AL, DX
Pop DX
Pop AX
Ret
EndP GUSDelay
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Proc ResetGUS ; AX = baseport.
Push AX
Push DX
Mov DX, AX
Add DX, 103h ; Select register
Mov AL, 4Ch ; Reset global register
Out DX, AL
Add DL, 2 ; 8 bit data
Xor AL, AL
Out DX, AL ; Reset GUS!
Call GUSDelay
Call GUSDelay
Mov AL, 1
Out DX, AL
Call GUSDelay
Call GUSDelay
Pop DX
Pop AX
Ret
EndP ResetGUS
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Proc TestGUS
Push AX
Call ResetGUS
Mov GUSMemory, 0
Mov DX, AX
Add DX, 103h ; DX = Select Register
Mov CX, 4 ; Max amount is 1MB of memory
Xor BL, BL ; Start with first 256k pool
TestGUS1:
Mov AL, 44h ; GUS DRAM High, 8 bit
Out DX, AL
Add DL, 2
Mov AL, BL
Out DX, AL
Sub DL, 2 ; DX = Select Register
Mov AL, 43h ; GUS DRAM Low, 16 bit
Out DX, AL
Inc DX ; DX = Baseport+104h
Xor AX, AX
Out DX, AX ; Address 0
Add DL, 3 ; DX = Baseport+107h (DRAM I/O)
Mov AL, 55h
Out DX, AL ; Write value 055h
Sub DL, 3 ; DX = Baseport+104h
Mov AX, 1
Out DX, AX ; Address 1
Add DL, 3 ; DX = Baseport+107h
Mov AL, 0AAh
Out DX, AL ; Write value 0AAh
Sub DL, 3 ; DX = Baseport+104h
Mov AX, 2
Out DX, AX ; Address 2
Add DL, 3 ; DX = Baseport+107h
Mov AL, 0
Out DX, AL ; Write value
Sub DL, 3 ; DX = Baseport+104h
Xor AX, AX
Out DX, AX ; Address 0
Add DL, 3 ; DX = Baseport+107h
In AL, DX ; Read value.. should be 055h
Cmp AL, 55h
JNE TestGUS2
Sub DL, 3 ; DX = Baseport+104h
Mov AX, 1
Out DX, AX ; Address 1
Add DL, 3 ; DX = Baseport+107h
In AL, DX ; Read value.. should be 0AAh
Cmp AL, 0AAh
JNE TestGUS2
Sub DL, 3 ; DX = Baseport+104h
Mov AX, 2
Out DX, AX ; Address 2
Add DL, 3 ; DX = Baseport+107h
In AL, DX ; Read value..
Cmp AL, 0
JNE TestGUS2
Sub DL, 4 ; DX = Baseport+103h
Add GUSMemory, 256 ; Another 256k!
Add BL, 4 ; Next memory chunk
Loop TestGUS1
TestGUS2:
Pop AX
Cmp GUSMemory, 0
JNE TestGUS3
StC
Ret
TestGUS3:
ClC
Ret
EndP TestGUS
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Proc LoadGUSSample ; EDI = position, AL = value
Push EAX
Mov DX, CS:GUSRegisterSelect
Mov AL, 44h
Out DX, AL
Add DL, 2
Mov EAX, EDI
ShR EAX, 16
Out DX, AL
Sub DL, 2 ; Select register again.
Mov AL, 43h ; Address Low, 16 bit
Out DX, AL
Inc DX ; DX = 3x4h
Mov AX, DI ; Memory location high
Out DX, AX ; Memory location done.
Add DL, 3
Pop EAX
Out DX, AL
Sub DL, 3
Inc EDI
Ret
EndP LoadGUSSample
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Proc LoadGUSSamples ; Given DS:SI, EDI = pos, ECX = count
; EBP = step value.
LoadGUSSamples1:
Mov DX, CS:GUSRegisterSelect
Mov AL, 44h
Out DX, AL
Add DL, 2
Mov EAX, EDI
ShR EAX, 16
Out DX, AL
Sub DL, 2 ; Select register again.
Mov AL, 43h ; Address Low, 16 bit
Out DX, AL
Inc DX ; DX = 3x4h
LoadGUSSamples2:
Mov AX, DI ; Memory location high
Out DX, AX ; Memory location done.
Add DL, 3
Mov AL, [SI]
Add SI, BP
JC LoadGUSSamples4
LoadGUSSamples3:
Out DX, AL
Sub DL, 3
Inc DI
JZ LoadGUSSamples5
Dec ECX
JNZ LoadGUSSamples2
Ret
LoadGUSSamples4:
Add ESI, 10000h
Call UpdateSampleLocation
Jmp LoadGUSSamples3
LoadGUSSamples5:
Add EDI, 10000h
LoopD LoadGUSSamples1
Ret
EndP LoadGUSSamples
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Proc Load16GUSSamples ; Given DS:SI, EDI = pos, ECX = count
; EBP = step value.
Add BP, BP
Dec BP
Mov BX, 1
Xor BP, BX
Xor BX, BP
Load16GUSSamples1:
Mov DX, CS:GUSRegisterSelect
Mov AL, 44h
Out DX, AL
Add DL, 2
Mov EAX, EDI
ShR EAX, 16
Out DX, AL
Sub DL, 2 ; Select register again.
Mov AL, 43h ; Address Low, 16 bit
Out DX, AL
Inc DX ; DX = 3x4h
Load16GUSSamples2:
Mov AX, DI ; Memory location high
Out DX, AX ; Memory location done.
Add DL, 3
Xor BX, BP
Mov AL, [SI]
Add SI, BX
JC Load16GUSSamples4
Load16GUSSamples3:
Out DX, AL
Sub DL, 3
Inc DI
JZ Load16GUSSamples5
LoopD Load16GUSSamples2
Ret
Load16GUSSamples4:
Add ESI, 10000h
Call UpdateSampleLocation
Jmp Load16GUSSamples3
Load16GUSSamples5:
Add EDI, 10000h
LoopD Load16GUSSamples1
Ret
EndP Load16GUSSamples
;*********** Public functions ******************
; <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).
;
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Proc DetectGUS Far
Push CS
Pop DS
Assume DS:Driver
Cmp BasePort, 0FFFFh
JE DetectGUS1
Mov AX, BasePort
Cmp AX, 210h
JB DetectCardError
Cmp AX, 280h
JA DetectCardError
Call TestGUS
JNC DetectGUS3
Jmp DetectCardError
DetectGUS1:
Mov AX, 210h
DetectGUS2:
Call TestGUS
JNC DetectGUS3
Add AL, 10h
Cmp AL, 60h
JBE DetectGUS2
DetectCardError:
StC
Ret
DetectGUS3:
Mov BasePort, AX
Add AX, 102h
Mov GUSVoiceSelect, AX
Inc AX
Mov GUSRegisterSelect, AX
Comment ~
; If Windows *AND* IRQ = 0FFFFh, then grab from ULTRASND variable
Mov SI, Offset ULTRASNDString
Mov CX, 8
Call GetEnvironment ; Returns ES:DI, Carry if error
JC DetectCardOK
Mov CX, 3 ; Find 3 commas first.
; Eg. skip baseport + 2 DMAs
DetectCard1:
Mov AL, [ES:DI]
Inc DI
Cmp AL, ','
JNE DetectCard1
Loop DetectCard1
; GUS IRQ..
Xor DX, DX
DetectCardIRQ1_1:
Mov AL, [ES:DI]
Inc DI
Cmp AL, ','
JE DetectCardIRQ1_2
Sub AL, '0'
JC DetectCardError
Cmp AL, 9
JA DetectCardError
IMul DX, 10
Add DL, AL
Jmp DetectCardIRQ1_1
DetectCardIRQ1_2: ; DX = IRQ to use.
Cmp DX, 15
JA DetectCardError
Mov AX, 1600h
Int 2Fh ; Windows Detect.
Test AL, 7Fh
JZ DetectCardIRQ2_1
Mov AX, IRQ
Cmp AX, -1
JNE DetectCardIRQ2_2
Mov IRQ, DX
Mov MIDIIRQ, DX
Jmp DetectCardOK
DetectCardIRQ2_2:
Mov DX, AX
DetectCardIRQ2_1: ; No Windows.
Mov MIDIIRQ, DX
DetectCardOK:
~
Mov EAX, 'Jeff'
ClC
Ret
EndP DetectGUS
Assume DS:Nothing
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Proc GUSIRQHandler ; IRQ Handler has to
; 1) Update GUS registers
; 2) Update song position
Push AX
Push DS
Mov AX, GUSUpdateTimer
Add GUSUpdateCount, AX
JC GUSIRQHandler1
Mov AL, 20h
Out 20h, AL
Jmp GUSIRQHandler2
GUSIRQHandler1:
PushF
Call [OldIRQHandler]
GUSIRQHandler2:
Xor GUSUpdateFlag, 1
JZ GUSIRQHandlerEnd
PushAD
Push ES
ClD
Call SaveEMSPageFrame
Call Update ; Returns DS:SI, CX
Call SetGUSRegisters
Call RestoreEMSPageFrame
Pop ES
PopAD
GUSIRQHandlerEnd:
Pop DS
Pop AX
IRet
EndP GUSIRQHandler
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Comment ~
Proc CheckMIDI
Push AX BX DX DS
Push CS
Pop DS
Assume DS:Driver
Mov DX, BasePort
Inc DH
CheckMIDIAgain:
In AL, DX
Test AL, 1
JZ CheckMIDI1
Inc DX
In AL, DX
Dec DX
Cmp AL, 0F0h
; JAE CheckMIDIAgain
JAE CheckMIDI1
Mov BL, [MIDIBufferTail]
Inc BL
Cmp BL, [MIDIBufferHead]
JE CheckMIDI1
; JE CheckMIDIAgain
Mov [MIDIBuffer+BX], AL
Mov [MIDIBufferTail], BL
; Jmp CheckMIDIAgain
CheckMIDI1:
Pop DS DX BX AX
Ret
EndP CheckMIDI
Assume DS:Nothing
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Proc GUSMIDIIRQHandler
Push AX BX DX DS
Push CS
Pop DS
Assume DS:Driver
Call CheckMIDI
Mov AL, 20h
Cmp MIDIIRQ, 8
JB GUSMIDIIRQHandler1
Out 0A0h, AL
GUSMIDIIRQHandler1:
Out 20h, AL
Pop DS DX BX AX
IRet
EndP GUSMIDIIRQHandler
Assume DS:Nothing
~
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Proc GUSIRQOnlyHandler
PushAD
Push DS
Push ES
Mov AL, 20h
Cmp CS:IRQ, 8
JB GUSIRQOnlyHandler1
Out 0A0h, AL
GUSIRQOnlyHandler1:
Out 20h, AL
GUSIRQAgain:
Mov DX, CS:BasePort
Add DL, 6
In AL, DX
; Test AL, 2 ; MIDI receive?
; JZ GUSIRQOnlyHandlerNoMIDI
;
; Call CheckMIDI
;
; Jmp GUSIRQAgain
GUSIRQOnlyHandlerNoMIDI:
Test AL, 8
JZ GUSIRQOnlyHandler3
Mov DX, CS:GUSRegisterSelect
Mov AL, 45h
Out DX, AL
Mov AL, 0
Add DL, 2
Out DX, AL
Mov AL, 8
Out DX, AL
Sub DL, 2
CLD
Call SaveEMSPageFrame
Call Update
Call SetGUSRegisters
Call RestoreEMSPageFrame
Jmp GUSIRQAgain
GUSIRQOnlyHandler3:
Test AL, 60h
JZ GUSIRQOnlyHandler2
Mov DX, CS:GUSVoiceSelect
In AL, DX
Push AX
GUSIRQOnlyHandler4:
Mov DX, CS:GUSRegisterSelect
Mov AL, 8Fh
Out DX, AL
Add DL, 2
In AL, DX ; Bit 6 = waveramp IRQ
; Bit 7 = wavetable IRQ...
; Bit 0-5 = voice
Test AL, 080h
JZ GUSIRQOnlyHandler5
Test AL, 040h
JZ GUSIRQOnlyHandler6
Pop AX
Mov DX, CS:GUSVoiceSelect
Out DX, AL
; Jmp GUSIRQAgain
Jmp GUSIRQOnlyHandler2
GUSIRQOnlyHandler5: ; Wavetable IRQ
Push AX
Mov DX, CS:GUSVoiceSelect
And AL, 31
Out DX, AL
Call GUSDelay
Inc DX
Xor AL, AL
Out DX, AL ; AL = 0 (Mode control)
Mov AL, 2
Add DL, 2
Out DX, AL
Call GUSDelay
Out DX, AL
Pop AX
Test AL, 40h
JNZ GUSIRQOnlyHandler4
GUSIRQOnlyHandler6: ; Volume IRQ
Mov DX, CS:GUSVoiceSelect
And AL, 31
Out DX, AL
Call GUSDelay
Inc DX
Mov AL, 0Dh ; Volume Ramp.
Out DX, AL
Mov AL, 3
Add DL, 2
Out DX, AL
Sub DL, 2
Mov AL, 6 ; Ramp rate
Out DX, AL
Mov AL, 63 ; Ramp rate
Add DL, 2
Out DX, AL
Sub DL, 2
Jmp GUSIRQOnlyHandler4
GUSIRQOnlyHandler2:
Pop ES
Pop DS
PopAD
IRet
EndP GUSIRQOnlyHandler
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IFDEF RAMP
include gusramp.inc
ELSE
include gusnramp.inc
ENDIF
IFDEF RIC
include gusric.inc
ELSE
include gusnric.inc
ENDIF
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Proc GUSGetAddress ; Given EAX
Assume DS:Nothing
Push CX
Mov CL, CS:Compress
ShR EAX, CL
Pop CX
Add EAX, [CS:GUSDataTable+BX]
ShL EAX, 9
Ret
EndP GUSGetAddress
;<3B><> InitMIDIIRQ <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>
Comment ~
Proc InitMIDIIRQ
Ret
PushA
Push DS
Push ES
Mov AX, CS
Mov DS, AX
ShL EAX, 16
Mov ES, AX
Assume DS:Driver
Mov BX, MIDIIRQ
Cmp BX, 15
JA InitMIDIIRQ1
ShL BX, 2
Mov SI, [IRQData+BX]
Mov AX, Offset GUSMIDIIRQHandler
XChg [ES:SI], EAX
Mov MIDIOldIRQHandler, EAX
In AL, 0A1h
Mov AH, AL
In AL, 21h
And AX, [IRQData+BX+2] ; Update mask
Out 21h, AL
Mov AL, AH
Out 0A1h, AL
Mov DX, BasePort
Inc DH
Mov AL, 0FFh
Out DX, AL
Mov AL, 0FCh
Out DX, AL
Jmp InitMIDIIRQEnd
InitMIDIIRQ1:
Mov DX, BasePort
Inc DH
Mov AL, 0FFh
Out DX, AL
Mov AL, 0h
Out DX, AL
InitMIDIIRQEnd:
Pop ES
Pop DS
PopA
Ret
EndP InitMIDIIRQ
Assume DS:Nothing
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Proc UnInitMIDIIRQ
Ret
PushA
Push DS
Push ES
Mov BX, MIDIIRQ
Cmp BX, 15
JA UnInitMIDIIRQ1
ShL BX, 2
Mov BX, [IRQData+BX]
Xor AX, AX
Mov ES, AX
Mov EAX, MIDIOldIRQHandler
Mov [ES:BX], EAX
UnInitMIDIIRQ1:
Mov DX, Baseport
Inc DH
Mov AL, 0FFh
Out DX, AL
Pop ES
Pop DS
PopA
Ret
EndP UnInitMIDIIRQ
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
;
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Proc InitSound Far
Push CS
Pop DS
Assume DS:Driver
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 SI, Offset RelocationTable
RelocationSetup:
Mov BX, [SI]
Cmp BX, 0FFFFh
JE RelocationSetupFinished
Mov [BX], CS
Add SI, 2
Jmp RelocationSetup
RelocationSetupFinished:
; OK... disable the GUS Line In
; & Enable Line Out
Mov BX, AX
Mov DX, BasePort
Mov AL, 1
Out DX, AL
Call ResetGUS
Cmp BL, 14
JAE InitSound_GUS4
Mov BL, 14
InitSound_GUS4:
IFDEF RIC
Mov UsedChannels, BX
ENDIF
Mov DX, GUSRegisterSelect ; Tell the GUS how many voices
Mov AL, 0Eh ; to use
Out DX, AL
Add DL, 2 ; DX = BasePort + 105h
Mov AL, BL
Dec AL
Or AL, 0C0h
Out DX, AL ; Number of Voices set
; Reset each voice
Mov CX, 32 ; 32 voices to clear.
Sub BX, 14 ; Now get mixspeed
Add BX, BX
Mov AX, [GUSMixTable+BX]
Mov MixSpeed, AX
Sub DL, 3 ; DX = Voice select register
GUSResetVoice:
Mov AL, CL
Dec AL
Out DX, AL
Inc DX ; DX = BasePort + 103h
Xor AL, AL ; Voice control register, 8 bit
Out DX, AL
Add DL, 2
Mov AL, 2
Out DX, AL ; Stop voice
Sub DL, 2
Mov AL, 0Dh ; Volume Ramp.
Out DX, AL
Mov AL, 3
Add DL, 2
Out DX, AL
Call GUSDelay
Out DX, AL
Sub DL, 2
Mov AL, 6 ; Ramp rate
Out DX, AL
Mov AL, 63 ; Ramp rate
Add DL, 2
Out DX, AL
Sub DL, 2
Mov AL, 9 ; Volume register, 16 bit
Out DX, AL
Inc DX
Xor AX, AX
Out DX, AX ; No volume
Call GUSDelay
Out DX, AX
ClI
Sub DL, 2 ; DX = BasePort + 102h = Voice select.
Loop GUSResetVoice
In AL, 0A1h
Mov AH, AL
In AL, 21h
Mov IMR, AX
; Call InitMIDIIRQ
Cmp IRQ, 0FFFFh
JE InitSound_GUS1
Mov AX, BasePort
Call ResetGUS
; Set IRQ
Mov BX, IRQ
ShL BX, 2 ; BX points to offset in IRQData
Xor DI, DI
Mov ES, DI
Mov DI, [BX+IRQData]
In AL, 0A1h
Mov AH, AL
In AL, 21h
And AX, [BX+IRQData+2]
Out 21h, AL
Mov AL, AH
Out 0A1h, AL
Mov AX, CS
ShL EAX, 16
Mov AX, Offset GUSIRQOnlyHandler
XChg [ES:DI], EAX
Mov OldIRQHandler, EAX
StI
Mov DX, BasePort
Mov AL, 9 ; + 16
Out DX, AL
Mov DX, GUSRegisterSelect
Mov AL, 4Ch
Out DX, AL
Add DL, 2
Mov AL, 7
Out DX, AL
Call GetTempo
Call SetTempo
Call ResetMemory
Mov AX, BasePort
Mov BX, IRQ
Mov CX, GUSMemory
Mov SI, Offset GUSID2
ClC
Ret
InitSound_GUS1:
Inc DL
Mov AL, 4Ch
Out DX, AL
Add DL, 2
Mov AL, 3 ; 7
Out DX, AL
Mov DX, BasePort
Mov AL, 9 ; + 16
Out DX, AL
Mov AL, 34h ; Program IRQ 0. LSB&MSB, Rate gen
Out 43h, AL
Call GetTempo
Call SetTempo
Call ResetMemory
Xor AX, AX
Mov ES, AX ; ES = 0
Mov AX, CS
ShL EAX, 16
Mov AX, Offset GUSIRQHandler
ClI
XChg DWord Ptr [ES:20h], EAX ; Clock tick
Mov OldIRQHandler, EAX
StI
Mov AX, BasePort
Mov BX, GUSMemory
Mov SI, Offset GUSID
ClC
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>
;
; 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 ReInitSound Far
Push AX
Push CS
Pop DS
Mov SI, Offset GUSReinitMsg
Mov BX, 40
Call SetInfoLine
Call UnInitSound
Pop AX
Jmp InitSound
EndP ReInitSound
;<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
Call GotoHomeDirectory
Push CS
Pop DS
Assume DS:Driver
IFDEF RIC
Mov AX, 3D02h ; Read write access
Mov DX, Offset DriverName
Int 21h
JC SaveConfig2
Mov BX, AX
Mov AX, 4200h
Xor CX, CX
Mov DX, Offset CONFIGURATIONOFFSET
Int 21h
JC SaveConfig1
Mov AH, 40h
Mov CX, CONFIGSIZE
Mov DX, Offset Convert16To8Bit
Int 21h
SaveConfig1:
Mov AH, 3Eh
Int 21h
SaveConfig2:
ENDIF
Mov AX, BasePort
Call ResetGUS
ClI
Mov BX, CS:IRQ
Cmp BX, 0FFFFh
JE UnInitSound1
Mov AX, CS:IMR
Out 21h, AL
Mov AL, AH
Out 0A1h, AL
ShL BX, 2
Xor DI, DI
Mov ES, DI
Mov DI, [CS:BX+IRQData]
Mov EAX, CS:OldIRQHandler
Mov [ES:DI], EAX
; Call UnInitMIDIIRQ
StI
Ret
UnInitSound1:
Mov AL, 34h
Out 43h, AL
Xor AX, AX
Out 40h, AL
Out 40h, AL
Mov ES, AX
Mov EAX, OldIRQHandler
Mov [ES:20h], EAX
; Call UnInitMIDIIRQ
StI
Ret
EndP UnInitSound
;<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
;
;<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
Push CS
Pop DS
Assume DS:Driver
Poll1:
Call [UARTBufferEmpty]
JNC PollEnd
Xor BX, BX
ClI
Mov BL, MIDIBufferHead
Cmp BL, MIDIBufferTail
JZ PollEnd ; Nothing in queue
Inc BL
Mov AL, [MIDIBuffer+BX]
Mov MIDIBufferHead, BL
Call [UARTSend]
Jmp Poll1
PollEnd:
StI
Ret
EndP Poll
Assume DS:Nothing
Proc UARTOut Far
Push DX
Push AX
Mov DX, [CS:BasePort]
Inc DH
UARTOut1:
In AL, DX
Test AL, 2
JZ UARTOut1
Pop AX
Inc DX
Out DX, AL
Pop DX
Ret
EndP UARTOut
;<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 ; BX = tempo...
Push AX
Push BX
Push DX
Cmp CS:IRQ, 0FFFFh
JE SetTempo1
ShL BX, 8
Mov DX, 1Eh
Mov AX, 8480h
Div BX
Neg AL
Mov AH, AL
Mov DX, CS:GUSRegisterSelect
Mov AL, 47h
Out DX, AL
Add DL, 2
Mov AL, AH
Out DX, AL ; Set Timer control register 2
Sub DL, 2
Mov AL, 45h
Out DX, AL
Add DL, 2
Mov AL, 8
Out DX, AL
; Sub DL, 2
Mov DX, CS:BasePort
Add DL, 8
Mov AL, 4
Out DX, AL
Inc DL
Mov AL, 2
Out DX, AL
Jmp SetTempo2
SetTempo1:
; Frames per second = 2 * (0.4*Tempo)
Mov AX, 0C214h
Mov DX, 16h ; Ticks = (1193181/(2*0.4))/Tempo
Div BX
; AX contains counter.
Mov GUSUpdateTimer, AX
Out 40h, AL ; Timer IRQ.
Mov AL, AH
Out 40h, AL
SetTempo2:
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
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
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
;
;<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 LoadSample Far
PushAD
Push DS
Push ES
Push FS
Mov FS, CS:SongDataArea
Mov BP, AX
Dec BP
Add BP, BP
Mov BP, [FS:64912+BP]
Xor CX, CX ; From the start of the sample..
Call GetSampleLocation ; Returns DS:ESI, ECX = length
JC Music_GUSLoadSampleEnd
Mov BL, [FS:BP+12h]
Test BL, 16
JZ Music_GUSLoadSample12
Cmp ECX, [FS:BP+38h]
JBE Music_GUSLoadSample12
Mov ECX, [FS:BP+38h]
Test BL, 32
JZ Music_GUSLoadSample12
Cmp ECX, [FS:BP+44h]
JAE Music_GUSLoadSample12
Mov ECX, [FS:BP+44h]
Music_GUSLoadSample12:
Mov EBX, ECX
Mov CL, CS:Compress
Mov EDX, 1
ShR EBX, CL
ShL EDX, CL ; EDX = step value.
Mov ECX, EBX
; Now find location to put it in
Dec AX ; AX = sample number
Push AX ; AX = sample number (0 based)
And EAX, 0FFh
Mov DWord Ptr [CS:GUSDataTable+4*EAX], 0FFFFFFFFh
Add ECX, 2
Mov EAX, GUSMemoryFree
Test Byte Ptr [FS:BP+12h], 2 ; 16 bit??
JZ Music_GUSLoadSamples13
Cmp CS:Convert16To8Bit, 0
JNZ Music_GUSLoadSamples5
Sub EAX, 1
JC Music_GUSLoadSampleWarning
And EAX, Not 1 ; For alignment
Add ECX, ECX
Mov EBX, EAX
Sub EBX, 1
JC Music_GUSLoadSampleWarning
And EBX, 3FFFFh ; Get bytes remaining in 'segment'
Inc EBX
Cmp ECX, 256*1024
JAE Music_GUSLoadSamples13
Cmp ECX, EBX
JBE Music_GUSLoadSample2
Sub EAX, EBX
Jmp Music_GUSLoadSamples13
Music_GUSLoadSamples5:
Inc ESI
Add EDX, EDX ; Step value.
Music_GUSLoadSamples13:
Cmp ECX, EAX
JBE Music_GUSLoadSample2
; Warning msg here.
Music_GUSLoadSampleWarning:
Pop AX
Music_GUSLoadSampleEndNoError:
ClC
Jmp Music_GUSLoadSampleEnd
Music_GUSLoadSample3:
StC
Music_GUSLoadSampleEnd:
Pop FS
Pop ES
Pop DS
PopAD
Ret
Music_GUSLoadSample2: ; EAX = number of bytes free.
; DS:SI = sample.
; ECX = number of bytes of memory
; ES:DI = num bytes free ptr
; BP = sample number.
; Location = MaxMem - DX:AX
; = -(DX:AX - GUSBanks*4:0)
MovZX EBX, CS:GUSMemory
ShL EBX, 10
; BX = bytes avail.
Sub EBX, EAX
Sub EAX, ECX
Mov GUSMemoryFree, EAX
Pop DI ; DI = sample number
ShL DI, 2
Cmp CS:Convert16To8Bit, 0
JNZ LoadGUSForced8Bit
Test Byte Ptr [FS:BP+12h], 2
JNZ Music_GUSLoad16BitSample
LoadGUSForced8Bit:
Push EBX
Inc EBX
Mov [CS:GUSDataTable+DI], EBX ; Store pointer
Mov ES, CS:SongDataArea
Pop EDI ; EDI = location in GUS mem
Sub ECX, 2
; EDI = location in GUS mem
; DS:SI = sample data
; ECX = length.
; EDX = step value.
ClI
Push BP
Mov EBP, EDX
Mov AL, [DS:SI+BP]
Call LoadGUSSample
Call LoadGUSSamples
Mov BH, AL
Pop BP
Mov AL, [FS:BP+12h]
Test AL, 16
JZ Music_GUSLoadSample10
Mov ESI, [FS:BP+34h]
Test AL, 64
JZ Music_GUSLoadSample11
Mov ESI, [FS:BP+38h]
Sub ESI, 2
AdC ESI, 0
Mov EAX, Not 0
Mov CL, CS:Compress
ShL EAX, CL
And ESI, EAX
Music_GUSLoadSample11:
Test Byte Ptr [FS:BP+12h], 2
JZ Music_GUSLoadSample6
Add ESI, ESI
Inc SI
Music_GUSLoadSample6:
Call UpdateSampleLocation
Mov BH, [SI]
Music_GUSLoadSample10:
Mov AL, BH
Call LoadGUSSample
StI
Jmp Music_GUSLoadSample3 ; Return.. no error.
Music_GUSLoad16BitSample:
Push EBX
Add EBX, 2
Mov EAX, EBX
And EBX, 3FFFFh
And EAX, Not 3FFFFh
ShR EBX, 1
Or EAX, EBX
Mov [CS:GUSDataTable+DI], EAX
Mov ES, CS:SongDataArea
Pop EDI ; EDI = location in GUS mem
Sub ECX, 4
ClI
Push BP
Mov EBP, EDX
Mov AX, [DS:ESI+EBP*2]
Call LoadGUSSample
Mov AL, AH
Call LoadGUSSample
Call Load16GUSSamples
Pop BP
Xor BX, BX
Mov AL, [FS:BP+12h]
Test AL, 16
JZ Music_GUSLoad16BitSample11B
Mov ESI, [FS:BP+34h]
Test AL, 64
JZ Music_GUSLoad16BitSample11
Mov ESI, [FS:BP+38h]
Sub ESI, 2
JNC Music_GUSLoad16BitSample11
Xor ESI, ESI
Music_GUSLoad16BitSample11:
Mov EAX, Not 0
Mov CL, CS:Compress
ShL EAX, CL
And ESI, EAX
Add ESI, ESI
Call UpdateSampleLocation
Mov BX, [SI]
Music_GUSLoad16BitSample11B:
Mov AX, BX
Call LoadGUSSample
Mov AL, AH
Call LoadGUSSample
StI
Jmp Music_GUSLoadSample3 ; Return.. no error.
EndP LoadSample
;<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, 0 based
; 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
LEA DI, [EAX*4+Offset GUSDataTable]
; Now to release the last
; sample from GUS memory if
; able to.
Cmp DWord Ptr [CS:DI], 0FFFFFFFFh
JE ReleaseSample3
ReleaseSample4:
MovZX EAX, CS:GUSMemory
SHL EAX, 10
Mov EBP, [CS:DI] ; EBP = sample pointer.
; If (MaxMem-(sample location in bank + sample length + 2)) = memory remaining,
; then release memory.
Mov ECX, [SI+30h]
Mov DL, [SI+12h]
Test DL, 16
JZ ReleaseSample7
Cmp ECX, [SI+38h]
JBE ReleaseSample7
Mov ECX, [SI+38h]
Test DL, 32
JZ ReleaseSample7
Cmp ECX, [SI+44h]
JAE ReleaseSample7
Mov ECX, [SI+44h]
ReleaseSample7:
Push EBX
Mov EBX, ECX
Mov CL, CS:Compress
ShR EBX, CL
Mov ECX, EBX
Pop EBX
Inc ECX
Mov EDI, 1
Test DL, 2
JZ ReleaseSample8Bit
Cmp CS:Convert16To8Bit, 0
JNZ ReleaseSample8Bit
Add ECX, ECX
Inc DI
; EBP = pointer for 16 bit
; need to convert back:
Mov EDX, EBP
Add EBP, EBP
And EBP, 3FFFFh
And EDX, Not 3FFFFh
Or EBP, EDX
ReleaseSample8Bit:
Sub EAX, EBP
Sub EAX, ECX
Cmp EAX, GUSMemoryFree
JNE ReleaseSample3
Add ECX, EDI
Add GUSMemoryFree, ECX
ReleaseSample3:
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
Push EAX
Push CX
Push ES
Push DI
MovZX EAX, GUSMemory ; Number of kbytes
ShL EAX, 10 ; Translate to bytes
Sub EAX, 64 ; Safety bytes.
Mov GUSMemoryFree, EAX
Push CS
Pop ES
Mov DI, Offset GUSDataTable
Mov CX, 200
Mov AX, 0FFFFh
Rep StosW
Pop DI
Pop ES
Pop CX
Pop EAX
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>
;
; 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
Push CS
Pop DS
Assume DS:Driver
Mov EAX, GUSMemoryFree
Mov SI, Offset GUSFreeMsg
ShR EAX, 10
IFDEF RIC
Cmp ShowReinit, 0
JE NoShowInit
Mov SI, Offset GUSFreeMsg2
Mov BX, UsedChannels
Cmp ShowReinit, 1
JE NoShowInit
Add BX, BX
Mov BX, [GUSMixTable+BX-28]
NoShowInit:
ENDIF
ClC
Ret
EndP GetStatus
Assume DS:Nothing
;<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 GUSScreenList
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 SetVariable Far
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>
Proc GetVariable Far
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 SetConvert Far
Mov AX, [SI+22]
Mov CS:Convert16To8Bit, AL
Call Music_LoadAllSamples
Mov AX, 1
Ret
EndP SetConvert
;<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 GetConvert Far
Push CS
Pop ES
Mov DI, Offset Convert16To8Bit
Ret
EndP GetConvert
;<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 SetCompress Far
Mov AX, [SI+22]
Mov CS:Compress, AL
Call Music_LoadAllSamples
Mov AX, 1
Ret
EndP SetCompress
;<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 GetCompress Far
Push CS
Pop ES
Mov DI, Offset Compress
Ret
EndP GetCompress
;<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>
IFDEF RIC
Proc SetReinit Far
Mov AX, [SI+22]
Mov CS:ShowReinit, AL
Mov AX, 1
Ret
EndP SetReinit
;<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 GetReinit Far
Push CS
Pop ES
Mov DI, Offset ShowReinit
Ret
EndP GetReinit
ENDIF
;<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 Constants Table *************
MaxNumberOfChannels DW 32 ; Maximum number of channels the
; driver can handle.
StopAfterPlay DW 0
DefaultChannels DW 32
DriverFlags DW 1 ; Driver supports MIDI Out
DW 4 Dup (0)
;******** Provided Procedure Table *************
ProvidedTableStart:
DW Offset DetectGUS
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
DW Offset UARTOut
ProvidedTableEnd:
DW 32-(ProvidedTableEnd-ProvidedTableStart)/2 Dup (0)
EndS
End
*********************** Notes *******************
UltraSound Output Structure
0 1 2 3 4 5 6 7 8 9
<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>
0000:<3A>(Flags)<29>LastVol <20>
<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>