2714 lines
77 KiB
NASM
Executable File
2714 lines
77 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
|
||
|
||
;************** Local variables ****************
|
||
|
||
SLAVECHANNELSIZE EQU 128
|
||
MixSpeed = 44100
|
||
|
||
IWReinitMsg DB "Interwave reinitialised", 0
|
||
|
||
IWID DB "AMD Interwave, Revision "
|
||
RevisionLetter DB " ", 13
|
||
DB "Port ", 0FDh, "Xh, ", 0FDh, "Dk Memory", 0
|
||
|
||
IWID2 DB "AMD Interwave, Revision "
|
||
RevisionLetter2 DB " ", 13
|
||
DB "Port ", 0FDh, "Xh, IRQ ", 0FDh, "D, ", 0FDh, "Dk RAM", 0
|
||
|
||
IWFreeMsg DB "FreeIW ", 0FDh, "Dk", 0
|
||
|
||
IWVolumeTable Label Word
|
||
DW 00000h, 0A0C0h, 0ABE0h, 0B250h, 0B6F0h, 0BA80h, 0BD70h, 0BFE0h
|
||
DW 0C200h, 0C3F0h, 0C5A0h, 0C720h, 0C880h, 0C9D0h, 0CB00h, 0CC10h
|
||
DW 0CD20h, 0CE10h, 0CF00h, 0CFE0h, 0D0B0h, 0D180h, 0D230h, 0D2F0h
|
||
DW 0D3A0h, 0D440h, 0D4E0h, 0D580h, 0D610h, 0D6A0h, 0D730h, 0D7B0h
|
||
DW 0D830h, 0D8B0h, 0D930h, 0D9A0h, 0DA20h, 0DA90h, 0DAF0h, 0DB60h
|
||
DW 0DBC0h, 0DC30h, 0DC90h, 0DCF0h, 0DD50h, 0DDB0h, 0DE00h, 0DE60h
|
||
DW 0DEB0h, 0DF00h, 0DF60h, 0DFB0h, 0E000h, 0E050h, 0E090h, 0E0E0h
|
||
DW 0E130h, 0E170h, 0E1C0h, 0E200h, 0E240h, 0E290h, 0E2D0h, 0E310h
|
||
DW 0E350h, 0E390h, 0E3D0h, 0E410h, 0E440h, 0E480h, 0E4C0h, 0E4F0h
|
||
DW 0E530h, 0E560h, 0E5A0h, 0E5D0h, 0E610h, 0E640h, 0E670h, 0E6B0h
|
||
DW 0E6E0h, 0E710h, 0E740h, 0E770h, 0E7A0h, 0E7D0h, 0E800h, 0E830h
|
||
DW 0E860h, 0E890h, 0E8C0h, 0E8F0h, 0E920h, 0E940h, 0E970h, 0E9A0h
|
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DW 0E9D0h, 0E9F0h, 0EA20h, 0EA40h, 0EA70h, 0EAA0h, 0EAC0h, 0EAF0h
|
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DW 0EB10h, 0EB40h, 0EB60h, 0EB80h, 0EBB0h, 0EBD0h, 0EBF0h, 0EC20h
|
||
DW 0EC40h, 0EC60h, 0EC90h, 0ECB0h, 0ECD0h, 0ECF0h, 0ED10h, 0ED40h
|
||
DW 0ED60h, 0ED80h, 0EDA0h, 0EDC0h, 0EDE0h, 0EE00h, 0EE20h, 0EE40h
|
||
DW 0EE60h
|
||
|
||
OffsetTable Label Word
|
||
DW 0FFF0h, 03000h, 02800h, 02350h, 02000h, 01D60h, 01B50h, 01980h
|
||
DW 01800h, 016A0h, 01560h, 01450h, 01350h, 01260h, 01180h, 010B0h
|
||
DW 01000h, 00F40h, 00EA0h, 00E00h, 00D60h, 00CD0h, 00C50h, 00BC0h
|
||
DW 00B50h, 00AD0h, 00A60h, 009F0h, 00980h, 00920h, 008B0h, 00850h
|
||
DW 00800h, 007A0h, 00740h, 006F0h, 006A0h, 00650h, 00600h, 005B0h
|
||
DW 00560h, 00520h, 004D0h, 00490h, 00450h, 00410h, 003C0h, 00390h
|
||
DW 00350h, 00310h, 002D0h, 00290h, 00260h, 00220h, 001F0h, 001B0h
|
||
DW 00180h, 00150h, 00120h, 000F0h, 000B0h, 00080h, 00050h, 00020h
|
||
DW 00000h
|
||
|
||
|
||
IWMemory DW 0 ; kb of memory on IW
|
||
IWRegisterSelect DW 0
|
||
IWVoiceSelect DW 0
|
||
IWUpdateTimer DW 0
|
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IWUpdateCount DW 0
|
||
IWMemoryFree DD 0
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||
IWOutputPort DW 0
|
||
IWUpdateFlag DB 0
|
||
IWMemorySegmented DB 0
|
||
|
||
IWLMCFI DW 0
|
||
IWBankTable DB 0, 0, 0, 0
|
||
|
||
IWBank1 DD 0
|
||
IWBank2 DD 0
|
||
IWBank3 DD 0
|
||
IWBank4 DD 0
|
||
|
||
OldIRQHandler DD 0
|
||
|
||
Convert16To8Bit DB 0
|
||
DB 0
|
||
Compress DB 0
|
||
DB 0
|
||
Stereo DB 0
|
||
|
||
NewIWLMCFI DW 0
|
||
|
||
IWDataTable DD 100 Dup (0FFFFFFFFh)
|
||
Revision DB 0
|
||
|
||
BankConfigs Label ; 12 configs..
|
||
; DB 64, 64, 64, 64 ; 12
|
||
; DB 64, 64, 0, 0 ; 11
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||
DB 64, 0, 0, 0 ; 10
|
||
DB 16, 16, 16, 16 ; 9
|
||
DB 16, 16, 0, 0 ; 8
|
||
DB 16, 0, 0, 0 ; 7
|
||
DB 4, 4, 16, 16 ; 6
|
||
DB 4, 4, 16, 0 ; 5
|
||
DB 4, 16, 16, 16 ; 4
|
||
DB 4, 16, 0, 0 ; 3
|
||
DB 4, 4, 4, 4 ; 2
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||
DB 4, 4, 0, 0 ; 1
|
||
DB 4, 0, 0, 0 ; 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
|
||
|
||
;<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>
|
||
|
||
IWScreenList 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
|
||
|
||
DW DriverText
|
||
|
||
DW 0
|
||
|
||
GravisHeaderLine DW 10
|
||
DB "Interwave Driver", 0
|
||
|
||
DriverText DW 1
|
||
DB 38, 48
|
||
DB 21h
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||
DB "Interwave Driver 1.1 for Impulse Tracker", 0
|
||
|
||
SampleText DW 1
|
||
DB 3, 13
|
||
DB 20h
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||
DB "Sample resizing options", 0
|
||
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||
ConvertSampleText DW 1
|
||
DB 5, 15
|
||
DB 20h
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||
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
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||
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
|
||
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||
SampleSizeText DW 1
|
||
DB 5, 24
|
||
DB 20h
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||
DB "Sample size", 0
|
||
|
||
SampleSize0Button DW 2
|
||
DW 7, 10, 0FFFFh, 0FFFFh
|
||
DW 0
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||
DW 0, 0
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||
DW 6
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||
DW Offset GetCompress
|
||
DriverSegment5 DW 0
|
||
DW 0
|
||
DW Offset SetCompress
|
||
DriverSegment6 DW 0
|
||
DB 7, 26, 20, 28, 8
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||
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
|
||
|
||
SampleSize2Button DW 2
|
||
DW 10, 0FFFFh, 0FFFFh, 0FFFFh
|
||
DW 0
|
||
DW 0, 0
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||
DW 6
|
||
DW Offset GetCompress
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||
DriverSegment9 DW 0
|
||
DW 2
|
||
DW Offset SetCompress
|
||
DriverSegment10 DW 0
|
||
DB 7, 32, 20, 34, 8
|
||
DB 0
|
||
DB " Quarter", 0
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||
|
||
|
||
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
|
||
DW Offset DriverSegment2
|
||
DW Offset DriverSegment3
|
||
DW Offset DriverSegment4
|
||
DW Offset DriverSegment5
|
||
DW Offset DriverSegment6
|
||
DW Offset DriverSegment7
|
||
DW Offset DriverSegment8
|
||
DW Offset DriverSegment9
|
||
DW Offset DriverSegment10
|
||
DW 0FFFFh
|
||
|
||
;*********** Local functions *******************
|
||
;
|
||
; TestIW - Checks for the presence of a IW by detecting amount of memory.
|
||
; LoadIWSample - Loads a byte to IW memory, AL = value
|
||
; LoadIWSamples - Loads ECX bytes from DS:SI to IW 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><EFBFBD>
|
||
|
||
Proc DetectMemory
|
||
|
||
Push DS
|
||
Assume DS:Driver
|
||
|
||
Push CS
|
||
Pop DS
|
||
|
||
Mov IWMemory, 0
|
||
|
||
Mov DX, IWRegisterSelect
|
||
Mov AL, 52h
|
||
Out DX, AL
|
||
Inc DX
|
||
In AX, DX
|
||
Mov IWLMCFI, AX
|
||
And AX, 0FFF0h
|
||
Or AX, 0Ch ; Allow full 16MB addressing
|
||
|
||
Mov NewIWLMCFI, AX
|
||
|
||
Out DX, AX
|
||
|
||
Mov CX, 256
|
||
Xor EDI, EDI
|
||
|
||
DetectMemory1: ; DX = BasePort+103h
|
||
Call IWSetPosition
|
||
|
||
Xor AL, AL
|
||
Call LoadIWSample ; Write a 0
|
||
|
||
Add EDI, 10000h
|
||
Loop DetectMemory1
|
||
|
||
Mov EBX, 3 ; 4 banks, 3, 2, 1 and 0
|
||
|
||
DetectMemory2:
|
||
Mov EDI, EBX
|
||
ShL EDI, 22 ; DI = Bank * 4MB
|
||
Call IWSetPosition
|
||
|
||
Mov AL, 0AAh
|
||
Mov DX, IWOutputPort
|
||
Out DX, AL
|
||
Mov AL, 055h
|
||
Out DX, AL
|
||
Call IWSetPosition
|
||
|
||
Mov DX, IWOutputPort
|
||
|
||
In AL, DX ; Bank doesn't exist?
|
||
Cmp AL, 0AAh
|
||
JNE DetectMemory3
|
||
|
||
In AL, DX
|
||
Cmp AL, 055h
|
||
JNE DetectMemory3
|
||
|
||
Mov CX, 64 ; Max of 4MB in 1 bank...
|
||
|
||
DetectMemoryInnerLoop1:
|
||
Inc [IWBankTable+BX]
|
||
Inc IWMemory
|
||
|
||
Add EDI, 10000h
|
||
Call IWSetPosition
|
||
|
||
Mov DX, IWOutputPort
|
||
In AL, DX
|
||
Cmp AL, 0AAh
|
||
JE DetectMemory3
|
||
|
||
Loop DetectMemoryInnerLoop1
|
||
|
||
DetectMemory3:
|
||
Dec BX
|
||
JNS DetectMemory2
|
||
|
||
; OK.. have checked each bank.. now to init.
|
||
Mov BL, 10
|
||
Mov SI, Offset BankConfigs
|
||
Mov EAX, DWord Ptr IWBankTable
|
||
|
||
DetectMemory4:
|
||
Cmp EAX, [SI]
|
||
JE DetectMemory5
|
||
|
||
Add SI, 4
|
||
Dec BL
|
||
JNS DetectMemory4
|
||
|
||
Mov IWMemorySegmented, 1
|
||
Jmp DetectMemory6
|
||
|
||
DetectMemory5: ; Set LMCI
|
||
Mov DX, IWRegisterSelect
|
||
Mov AL, 52h
|
||
Out DX, AL
|
||
Mov AX, IWLMCFI
|
||
|
||
And AX, 0FFF0h
|
||
Or AL, BL
|
||
|
||
Mov NewIWLMCFI, AX
|
||
|
||
Inc DX
|
||
Out DX, AX
|
||
|
||
DetectMemory6:
|
||
ShL IWMemory, 6
|
||
JZ DetectMemory7
|
||
|
||
Pop DS
|
||
Ret
|
||
|
||
DetectMemory7:
|
||
Pop DS
|
||
Pop AX ; Add SP, 2
|
||
|
||
StC
|
||
RetF
|
||
|
||
EndP DetectMemory
|
||
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 ResetIW ; AX = baseport.
|
||
|
||
Push AX
|
||
Push CX
|
||
Push DX
|
||
|
||
Mov DX, AX
|
||
Add DX, 103h ; DX = IGIDXR
|
||
|
||
Comment ~
|
||
|
||
Mov AL, 4Ch
|
||
Out DX, AL
|
||
Add DL, 2
|
||
Xor AL, AL
|
||
Out DX, AL
|
||
|
||
Push DX
|
||
Mov DX, 300h
|
||
Mov CX, 20
|
||
ResetIW4:
|
||
In AL, DX
|
||
Loop ResetIW4
|
||
Pop DX
|
||
|
||
Mov AL, 1
|
||
Out DX, AL
|
||
|
||
Push DX
|
||
Mov DX, 300h
|
||
Mov CX, 20
|
||
ResetIW3:
|
||
In AL, DX
|
||
Loop ResetIW3
|
||
Pop DX
|
||
|
||
Sub DL, 2
|
||
|
||
~
|
||
|
||
Mov AL, 19h ; Write SGMI
|
||
Out DX, AL
|
||
|
||
Add DL, 2
|
||
|
||
Mov AL, 1
|
||
Out DX, AL ; Enhanced mode enabled.
|
||
Sub DL, 2
|
||
|
||
Mov AL, 99h ; Read SGMI
|
||
Out DX, AL
|
||
Add DL, 2
|
||
In AL, DX
|
||
Sub DL, 2
|
||
|
||
Cmp AL, 1
|
||
JNE ResetIW1
|
||
|
||
Mov AL, 53h ; LMCI
|
||
Out DX, AL
|
||
|
||
Add DL, 2
|
||
Mov AL, 1
|
||
Out DX, AL ; Auto increment, DRAM, 8-bit, NoInvert
|
||
Sub DL, 2
|
||
|
||
ClC
|
||
Jmp ResetIW2
|
||
|
||
ResetIW1:
|
||
StC
|
||
|
||
ResetIW2:
|
||
Pop DX
|
||
Pop CX
|
||
Pop AX
|
||
|
||
Ret
|
||
|
||
EndP ResetIW
|
||
|
||
;<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 TestIW
|
||
|
||
|
||
Call ResetIW
|
||
JC TestIW3
|
||
|
||
Push AX
|
||
|
||
Mov IWMemory, 0
|
||
|
||
Mov DX, AX
|
||
Add DX, 103h ; DX = Select Register
|
||
|
||
Mov CX, 256 ; Max amount is 16MB of memory
|
||
Xor BX, BX ; BX = no of 64k chunks.
|
||
|
||
TestIW1:
|
||
ClI
|
||
|
||
Mov AL, 44h ; IW DRAM High, 8 bit
|
||
Out DX, AL
|
||
|
||
Add DL, 2
|
||
Mov AX, BX ; BX = IW DRAM High
|
||
Out DX, AL
|
||
Sub DL, 2 ; DX = Select Register
|
||
|
||
Mov AL, 43h ; IW DRAM Low, 16 bit
|
||
Out DX, AL
|
||
|
||
Inc DX ; DX = Baseport+104h
|
||
Xor AX, AX
|
||
Out DX, AX ; Address 0
|
||
|
||
StI
|
||
|
||
Add DL, 3 ; DX = Baseport+107h (DRAM I/O)
|
||
|
||
Mov AL, 55h
|
||
Out DX, AL ; Write value 55h
|
||
Mov AL, 0AAh
|
||
Out DX, AL ; Write value 0AAh
|
||
Mov AL, CL
|
||
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..
|
||
Cmp AL, 55h
|
||
JNE TestIW2
|
||
|
||
In AL, DX ; Read value..
|
||
Cmp AL, 0AAh
|
||
JNE TestIW2
|
||
|
||
In AL, DX ; Read value..
|
||
Cmp AL, CL
|
||
JNE TestIW2
|
||
|
||
Inc BX
|
||
Sub DL, 4 ; DX = Baseport+103h
|
||
Loop TestIW1
|
||
|
||
TestIW2:
|
||
Pop AX
|
||
|
||
And BX, BX
|
||
JZ TestIW3
|
||
|
||
ShL BX, 6
|
||
Mov IWMemory, BX
|
||
ClC
|
||
Ret
|
||
|
||
TestIW3:
|
||
StC
|
||
Ret
|
||
|
||
EndP TestIW
|
||
|
||
;<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 IWSetPosition ; EDI = position
|
||
|
||
ClI
|
||
Mov DX, CS:IWRegisterSelect
|
||
Mov AL, 44h
|
||
Out DX, AL
|
||
|
||
Add DL, 2
|
||
SHLD EAX, EDI, 16
|
||
; 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.
|
||
|
||
StI
|
||
Ret
|
||
|
||
EndP IWSetPosition
|
||
|
||
;<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 LoadIWSample ; AL = value
|
||
|
||
Mov DX, CS:IWOutputPort
|
||
Out DX, AL
|
||
|
||
Ret
|
||
|
||
EndP LoadIWSample
|
||
|
||
;<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 LoadIWSamples ; Given DS:SI, ECX = count
|
||
; EBP = step value.
|
||
|
||
Mov DX, CS:IWOutputPort
|
||
|
||
LoadIWSamples2:
|
||
Mov AL, [SI]
|
||
Add SI, BP
|
||
JC LoadIWSamples4
|
||
|
||
LoadIWSamples3:
|
||
Out DX, AL
|
||
|
||
LoopD LoadIWSamples2
|
||
Ret
|
||
|
||
LoadIWSamples4:
|
||
Add ESI, 10000h
|
||
Int 3
|
||
Jmp LoadIWSamples3
|
||
|
||
EndP LoadIWSamples
|
||
|
||
;<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 Load16IWSamples ; Given DS:SI, ECX = count
|
||
; EBP = step value.
|
||
|
||
Add BP, BP
|
||
Dec BP
|
||
Mov BX, 1
|
||
Xor BP, BX
|
||
Xor BX, BP
|
||
|
||
Mov DX, CS:IWOutputPort
|
||
|
||
Load16IWSamples1:
|
||
Xor BX, BP
|
||
Mov AL, [SI]
|
||
Add SI, BX
|
||
JC Load16IWSamples4
|
||
|
||
Load16IWSamples3:
|
||
Out DX, AL
|
||
|
||
Dec ECX
|
||
JNZ Load16IWSamples1
|
||
Ret
|
||
|
||
Load16IWSamples4:
|
||
Add ESI, 10000h
|
||
Int 3
|
||
Jmp Load16IWSamples3
|
||
|
||
EndP Load16IWSamples
|
||
|
||
;*********** 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).
|
||
;
|
||
;<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 DetectIW Far
|
||
|
||
Cmp BasePort, 0FFFFh
|
||
JE DetectIW1
|
||
|
||
Mov AX, BasePort
|
||
Call TestIW
|
||
JNC DetectIW3
|
||
|
||
Ret
|
||
|
||
DetectIW1:
|
||
Mov AX, 210h
|
||
|
||
DetectIW2:
|
||
Call TestIW
|
||
JNC DetectIW3
|
||
|
||
Add AL, 10h
|
||
Cmp AL, 60h
|
||
JBE DetectIW2
|
||
|
||
StC
|
||
Ret
|
||
|
||
DetectIW3:
|
||
Mov BasePort, AX
|
||
Add AX, 102h
|
||
Mov IWVoiceSelect, AX
|
||
Inc AX
|
||
Mov IWRegisterSelect, AX
|
||
Add AL, 4
|
||
Mov IWOutputPort, AX
|
||
|
||
Call DetectMemory
|
||
|
||
Mov EAX, 'Jeff'
|
||
|
||
ClC
|
||
Ret
|
||
|
||
EndP DetectIW
|
||
|
||
;<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 IWIRQOnlyHandler
|
||
|
||
PushAD
|
||
Push DS
|
||
Push ES
|
||
|
||
Mov AL, 20h
|
||
|
||
Cmp CS:IRQ, 8
|
||
JB IWIRQOnlyHandler1
|
||
|
||
Out 0A0h, AL
|
||
|
||
IWIRQOnlyHandler1:
|
||
Out 20h, AL
|
||
|
||
Mov DX, CS:BasePort
|
||
Add DL, 6
|
||
In AL, DX
|
||
And AL, 8
|
||
JZ IWIRQOnlyHandler2
|
||
|
||
Mov DX, CS:IWRegisterSelect
|
||
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 SetIWRegisters
|
||
Call RestoreEMSPageFrame
|
||
|
||
IWIRQOnlyHandler2:
|
||
Pop ES
|
||
Pop DS
|
||
PopAD
|
||
|
||
IRet
|
||
|
||
EndP IWIRQOnlyHandler
|
||
|
||
;<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 IWIRQHandler ; IRQ Handler has to
|
||
; 1) Update IW registers
|
||
; 2) Update song position
|
||
Push AX
|
||
Push DS
|
||
|
||
Mov AX, IWUpdateTimer
|
||
Add IWUpdateCount, AX
|
||
JC IWIRQHandler1
|
||
|
||
Mov AL, 20h
|
||
Out 20h, AL
|
||
Jmp IWIRQHandler2
|
||
|
||
IWIRQHandler1:
|
||
PushF
|
||
Call [OldIRQHandler]
|
||
|
||
IWIRQHandler2:
|
||
Xor IWUpdateFlag, 1
|
||
JZ IWIRQHandlerEnd
|
||
|
||
PushAD
|
||
Push ES
|
||
|
||
ClD
|
||
|
||
Call SaveEMSPageFrame
|
||
Call Update ; Returns DS:SI, CX
|
||
Call SetIWRegisters
|
||
Call RestoreEMSPageFrame
|
||
|
||
Pop ES
|
||
PopAD
|
||
|
||
IWIRQHandlerEnd:
|
||
Pop DS
|
||
Pop AX
|
||
IRet
|
||
|
||
EndP IWIRQHandler
|
||
|
||
;<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 SetIWVolume ; BX = new volume
|
||
|
||
; To do:
|
||
; 1) Set ramp start
|
||
; 2) Set ramp end
|
||
; 3) Set current volume
|
||
; 4) Start ramp
|
||
; 5) Save new volume.
|
||
|
||
Push BX
|
||
Push CX
|
||
|
||
Mov AL, 0Dh
|
||
Out DX, AL
|
||
|
||
Mov AL, 3 ; Stop Ramp!
|
||
Add DL, 2
|
||
Out DX, AL
|
||
Sub DL, 2
|
||
|
||
Add BX, BX
|
||
Mov CX, [CS:IWVolumeTable+BX] ; CX = new volume
|
||
Mov BX, [SI+2]
|
||
Add BX, BX
|
||
Mov BX, [CS:IWVolumeTable+BX] ; BX = old volume
|
||
|
||
Cmp BX, CX
|
||
JNE SetIWVolume2
|
||
|
||
Mov AL, 89h
|
||
Out DX, AL
|
||
Inc DX
|
||
In AX, DX
|
||
Dec DX
|
||
|
||
Mov BX, AX ; BX = old volume
|
||
|
||
SetIWVolume2:
|
||
|
||
Push BX ; Old volume on stack
|
||
|
||
Xor AH, AH ; Ramp up
|
||
Cmp CX, BX
|
||
JE SetIWVolume4
|
||
JA SetIWVolume1
|
||
|
||
XChg BX, CX
|
||
Mov AH, 40h ; Ramp down
|
||
|
||
SetIWVolume1:
|
||
Mov AL, 6 ; Ramp rate
|
||
Out DX, AL
|
||
|
||
Mov AL, 32 ; Ramp rate
|
||
Add DL, 2
|
||
Out DX, AL
|
||
Sub DL, 2
|
||
|
||
Mov AL, 7 ; Ramp start
|
||
Out DX, AL
|
||
|
||
Mov AL, BH
|
||
Add DL, 2
|
||
Out DX, AL
|
||
Sub DL, 2
|
||
|
||
Mov AL, 8 ; Ramp end
|
||
Out DX, AL
|
||
|
||
Mov AL, CH
|
||
Add DL, 2
|
||
Out DX, AL
|
||
Sub DL, 2
|
||
|
||
Mov AL, 9
|
||
Out DX, AL
|
||
|
||
Pop BX ; BX = old volume
|
||
XChg BX, AX
|
||
|
||
Inc DX
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
Mov AL, 0Dh ; Ramp control
|
||
Out DX, AL
|
||
|
||
Mov AL, BH
|
||
Add DL, 2
|
||
Out DX, AL
|
||
Sub DL, 2
|
||
|
||
SetIWVolume5:
|
||
Pop CX
|
||
Pop BX
|
||
|
||
Mov [SI+2], BX
|
||
|
||
Ret
|
||
|
||
SetIWVolume4:
|
||
; Mov AL, 0Dh ; Volume Ramp.
|
||
; Out DX, AL
|
||
;
|
||
; Mov AL, 3
|
||
; Add DL, 2
|
||
; Out DX, AL
|
||
; Sub DL, 2
|
||
|
||
Mov AL, 9
|
||
Out DX, AL
|
||
|
||
Pop AX ; AX = old volume
|
||
|
||
Inc DX
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
Jmp SetIWVolume5
|
||
|
||
EndP SetIWVolume
|
||
|
||
;<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 IWGetAddress ; Given EAX
|
||
|
||
Push CX
|
||
|
||
Mov CL, CS:Compress
|
||
ShR EAX, CL
|
||
|
||
Pop CX
|
||
Add EAX, [CS:IWDataTable+BX]
|
||
ShL EAX, 9
|
||
And EAX, 7FFFFFFFh
|
||
|
||
Ret
|
||
|
||
EndP IWGetAddress
|
||
|
||
;<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 SetIWRegisters ; Given DS:SI, CX
|
||
|
||
Mov ES, CS:SongDataArea
|
||
|
||
Push CX
|
||
Push SI
|
||
|
||
Xor AX, AX
|
||
|
||
GetOffsetLoop:
|
||
Push AX
|
||
Push CX
|
||
|
||
Mov DX, IWVoiceSelect
|
||
Out DX, AL ; OK.. now to play with this
|
||
; voice.
|
||
Inc DL ; DX = select rego
|
||
|
||
Mov BX, [SI]
|
||
Test BH, 2
|
||
JZ GetOffsetLoop2
|
||
|
||
Mov BX, 200h
|
||
Mov [SI], BX
|
||
|
||
GetOffsetLoop2:
|
||
Test BL, 1 ; Channel not on!
|
||
JZ GetOffsetLoop1
|
||
Test BH, 1
|
||
JZ GetOffsetLoop3 ; Prev 1.
|
||
|
||
Xor BX, BX
|
||
Call SetIWVolume
|
||
|
||
Jmp GetOffsetLoop1
|
||
|
||
GetOffsetLoop3:
|
||
Mov EAX, [SI+4Ch]
|
||
Mov [SI+2Ch], EAX
|
||
|
||
Mov AL, 8Ah
|
||
Out DX, AL
|
||
|
||
Inc DX
|
||
In AX, DX
|
||
Dec DX
|
||
|
||
And AH, 7Fh
|
||
ShL EAX, 16 ; Load high part of EAX
|
||
|
||
Mov AL, 8Bh
|
||
Out DX, AL
|
||
Inc DX
|
||
In AX, DX
|
||
; EAX = 000OOOOO OOOOOOOO OOOOOOOF FFFFFFFF
|
||
; Need: 00000000 0000OOOO OOOOOOOO OOOOOOOO
|
||
|
||
ShR EAX, 9
|
||
|
||
MovZX EBX, Byte Ptr [SI+36h]
|
||
Mov EBX, [CS:IWDataTable+EBX*4]
|
||
And EBX, 03FFFFFh
|
||
Sub EAX, EBX
|
||
Push CX
|
||
|
||
Mov CL, CS:Compress
|
||
ShL EAX, CL
|
||
|
||
Pop CX
|
||
Mov [SI+4Ch], EAX
|
||
|
||
GetOffsetLoop1:
|
||
Add SI, SLAVECHANNELSIZE
|
||
|
||
Pop CX
|
||
Pop AX
|
||
|
||
Inc AX
|
||
Dec CX
|
||
JNZ GetOffsetLoop
|
||
|
||
Pop SI
|
||
Pop CX
|
||
|
||
Xor AX, AX
|
||
|
||
SetIWRegisters1:
|
||
Push AX
|
||
Push CX
|
||
|
||
Mov DX, IWVoiceSelect
|
||
Out DX, AL ; OK.. now to play with this
|
||
; voice.
|
||
Mov CX, [SI] ; CX = flags.
|
||
Inc DL ; DX = select rego
|
||
|
||
Test CH, 1
|
||
JZ SetIWRegisters21
|
||
|
||
Mov AL, [SI+36]
|
||
Cmp AL, [SI+4]
|
||
JE SetIWRegisters21
|
||
|
||
Xor AL, AL
|
||
Out DX, AL
|
||
|
||
Mov AL, 3
|
||
Add DL, 2
|
||
Out DX, AL
|
||
Sub DL, 2
|
||
|
||
SetIWRegisters21:
|
||
Test CL, 32 ; Frequency change
|
||
JZ SetIWRegisters7
|
||
|
||
Push DX
|
||
|
||
Mov EAX, [SI+10h] ; EAX = freq.
|
||
|
||
Push CX
|
||
Mov CL, CS:Compress
|
||
ShR EAX, CL
|
||
Pop CX
|
||
|
||
Xor EDX, EDX
|
||
Mov EBX, MixSpeed
|
||
|
||
Div EBX ; EAX = I portion.
|
||
|
||
Test EAX, Not 63
|
||
JNZ SetIWRegisters6
|
||
|
||
Push EAX
|
||
|
||
Xor EAX, EAX
|
||
Div EBX
|
||
|
||
Pop EBX ; EBX:EAX = IIII FFFF etc.
|
||
|
||
SHRD EAX, EBX, 6
|
||
|
||
; Have: IIIIIIII IIIIIIII FFFFFFFF FFFFFFFF
|
||
; Req: IIIIIIFF FFFFFFF0
|
||
|
||
Pop DX
|
||
Mov AL, 1
|
||
Out DX, AL
|
||
|
||
ShR EAX, 16
|
||
AdC AX, 0
|
||
SBB AX, 0 ; Just in case!
|
||
|
||
Inc DX
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
Jmp SetIWRegisters7
|
||
|
||
SetIWRegisters6:
|
||
Mov CH, 2 ; Signify to turn off channel
|
||
Pop DX
|
||
|
||
SetIWRegisters7:
|
||
MovZX BX, Byte Ptr [SI+36h] ; BX = sample number.
|
||
Cmp BL, 99
|
||
JA SetIWRegisters20
|
||
|
||
ShL BX, 2 ; IWDataTable+BX = position
|
||
|
||
Cmp DWord Ptr [CS:IWDataTable+BX], 0FFFFFFFFh
|
||
JNE SetIWRegisters10
|
||
|
||
SetIWRegisters20:
|
||
Mov CH, 2
|
||
Jmp SetIWRegisters9
|
||
|
||
SetIWRegisters10:
|
||
Test CH, 5 ; Loop changed?!??!?
|
||
JZ SetIWRegisters8
|
||
|
||
Mov AL, 3 ; Starting location low.
|
||
Out DX, AL
|
||
|
||
Mov EAX, [SI+40h]
|
||
Call IWGetAddress
|
||
|
||
; Reqd: .OOOOOOO OOOOOOOO OOOOOOOI III.....
|
||
|
||
Inc DX
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
Mov AL, 2 ; Starting location high
|
||
Out DX, AL
|
||
|
||
ShR EAX, 16
|
||
Inc DX
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
; Ending location...
|
||
Mov AL, 5 ; Ending location low
|
||
Out DX, AL
|
||
|
||
Mov EAX, [SI+44h]
|
||
Call IWGetAddress
|
||
|
||
Inc DX
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
Mov AL, 4 ; Ending location high
|
||
Out DX, AL
|
||
|
||
SHR EAX, 16
|
||
Inc DX
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
SetIWRegisters8:
|
||
Test CH, 1 ; Do Current position?
|
||
JZ SetIWRegisters9
|
||
|
||
Xor AL, AL
|
||
Out DX, AL
|
||
|
||
Mov AL, 3
|
||
Add DL, 2
|
||
Out DX, AL
|
||
Sub DL, 2
|
||
|
||
Mov AL, 9
|
||
Out DX, AL
|
||
Xor AX, AX
|
||
Inc DX
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
Mov AL, 10h
|
||
Out DX, AL
|
||
Add DL, 2
|
||
Mov AL, Byte Ptr [CS:IWDataTable+BX+2]
|
||
ShR AL, 6
|
||
Out DX, AL
|
||
Sub DL, 2
|
||
|
||
Mov AL, 0Bh ; Current location LOW
|
||
Out DX, AL
|
||
|
||
Mov EAX, [SI+4Ch]
|
||
Mov [SI+2Ch], EAX
|
||
|
||
; EAX = OOOOOOOO OOOOOOOO OOOOOOOO OOOOOOOO
|
||
; Req: xOOOOOOO OOOOOOOO OOOOOOOF FFFFFFFF
|
||
Call IWGetAddress
|
||
|
||
Mov DI, AX
|
||
|
||
Inc DX
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
Mov AL, 0Ah ; Current location HIGH
|
||
Out DX, AL
|
||
|
||
SHR EAX, 16
|
||
Inc DX
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
Mov AL, 0Bh
|
||
Out DX, AL
|
||
|
||
Mov AX, DI
|
||
Inc DX
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
SetIWRegisters9:
|
||
Test CL, 64 ; New volume??
|
||
JZ SetIWPan
|
||
|
||
SetIWRegisters23:
|
||
Xor BX, BX
|
||
Test CH, 8
|
||
JNZ SetIWRegistersMuted
|
||
|
||
Mov BL, Byte Ptr [SI+20h] ; BL = volume, 0->128
|
||
|
||
SetIWRegistersMuted:
|
||
Call SetIWVolume
|
||
|
||
SetIWPan:
|
||
Test CH, 128 ; New pan??
|
||
JZ SetIWRegisters5
|
||
|
||
Xor BH, BH
|
||
|
||
Test CS:Stereo, 1
|
||
JZ SetIWRegisters3
|
||
|
||
Mov BL, [SI+37h]
|
||
Cmp BL, 100
|
||
JNE SetIWRegisters4
|
||
|
||
SetIWRegisters3:
|
||
Mov BL, 32 ; Surround goes to mono :(
|
||
|
||
SetIWRegisters4:
|
||
Add BX, BX ; BX = offset into IWTable
|
||
|
||
Test CH, 1
|
||
JZ IWSetPan1
|
||
|
||
Mov AL, 0Ch ; Right offset
|
||
Out DX, AL
|
||
Inc DX
|
||
Mov AX, [CS:OffsetTable+BX]
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
Neg BX
|
||
|
||
Mov AL, 13h ; Left offset final
|
||
Out DX, AL
|
||
Inc DX
|
||
Mov AX, [CS:OffsetTable+128+BX]
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
Neg BX
|
||
|
||
IWSetPan1:
|
||
Mov AL, 1Bh ; Right offset final
|
||
Out DX, AL
|
||
Inc DX
|
||
Mov AX, [CS:OffsetTable+BX]
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
Neg BX
|
||
|
||
Mov AL, 1Ch ; Left offset final
|
||
Out DX, AL
|
||
Inc DX
|
||
Mov AX, [CS:OffsetTable+128+BX]
|
||
Out DX, AX
|
||
Dec DX
|
||
|
||
SetIWRegisters5:
|
||
; Now for control register.
|
||
; If CH | 2, then turn rego OFF
|
||
; If CH | 5, then turn rego ON
|
||
; If CL | 1, then check channel
|
||
Test CH, 2
|
||
JNZ SetIWRegisters11
|
||
|
||
Test CH, 5
|
||
JNZ SetIWRegisters12
|
||
|
||
Test CL, 1
|
||
JZ SetIWRegisters13
|
||
|
||
Mov AL, 80h ; Read voice control
|
||
Out DX, AL
|
||
|
||
Add DL, 2
|
||
In AL, DX
|
||
Sub DL, 2
|
||
|
||
Test AL, 1
|
||
JZ SetIWRegisters13
|
||
|
||
Xor BX, BX
|
||
Call SetIWVolume
|
||
|
||
Jmp SetIWRegisters14
|
||
|
||
SetIWRegisters11: ; Turn off.
|
||
Mov Byte Ptr [SI+4], 0FFh
|
||
|
||
Xor BX, BX
|
||
Call SetIWVolume
|
||
|
||
Xor AL, AL
|
||
Out DX, AL
|
||
Mov AL, 2
|
||
Add DL, 2
|
||
Out DX, AL
|
||
Sub DL, 2
|
||
|
||
Mov AL, 15h
|
||
Out DX, AL
|
||
|
||
Add DL, 2 ; Synthesizer Mode select
|
||
Mov AL, 34 ; Offset enable, enable voice
|
||
Out DX, AL
|
||
Sub DL, 2
|
||
|
||
|
||
SetIWRegisters14:
|
||
Test CL, 1
|
||
JZ SetIWRegisters13
|
||
|
||
Xor CX, CX ; Turn off channel
|
||
Test Byte Ptr [SI+3Ah], 80h
|
||
JNZ SetIWRegisters13
|
||
|
||
Mov BX, [SI+38h]
|
||
And Byte Ptr [BX], Not 4 ; Signify channel off
|
||
|
||
Jmp SetIWRegisters13
|
||
|
||
SetIWRegisters12: ; Turn on
|
||
Mov AL, [SI+36]
|
||
Mov [SI+4], AL
|
||
|
||
Mov AL, 15h
|
||
Out DX, AL
|
||
|
||
Add DL, 2 ; Synthesizer Mode select
|
||
Mov AL, 32 ; Offset enable, enable voice
|
||
Out DX, AL
|
||
Sub DL, 2
|
||
|
||
Xor AL, AL
|
||
Out DX, AL
|
||
|
||
Mov AL, [SI+0Ah]
|
||
|
||
Cmp CS:Convert16To8Bit, 0
|
||
JNZ SetIWRegistersNo16Bit
|
||
|
||
Mov AH, [SI+18h] ; 16 bit?
|
||
Add AH, AH
|
||
Or AL, AH
|
||
|
||
SetIWRegistersNo16Bit:
|
||
Test CL, 1
|
||
JNZ SetIWRegisters15
|
||
|
||
Mov AL, 2
|
||
Xor CX, CX
|
||
|
||
SetIWRegisters15:
|
||
Add DL, 2
|
||
Out DX, AL
|
||
|
||
SetIWRegisters13:
|
||
And CX, 0111100010011111b ; Turns off:
|
||
; 1) Freq & vol recalc
|
||
; 2) New note/note stop/loop cha
|
||
|
||
Mov [SI], CX
|
||
|
||
Add SI, SLAVECHANNELSIZE
|
||
|
||
Pop CX
|
||
Pop AX
|
||
|
||
Inc AX
|
||
Dec CX
|
||
JNZ SetIWRegisters1
|
||
|
||
Ret
|
||
|
||
|
||
EndP SetIWRegisters
|
||
|
||
;<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 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
|
||
|
||
Relocation1:
|
||
LodsW
|
||
Cmp AX, 0FFFFh
|
||
JE RelocationEnd
|
||
|
||
Mov BX, AX
|
||
Mov [BX], CS
|
||
Jmp Relocation1
|
||
|
||
RelocationEnd: ; OK... disable the IW Line In
|
||
; & Enable Line Out
|
||
; SetupMIDI
|
||
Mov DX, BasePort
|
||
Inc DH
|
||
Mov AL, 0FFh
|
||
Out DX, AL
|
||
Mov AL, 0FCh
|
||
Out DX, AL
|
||
|
||
; Setup the rest of it.
|
||
Mov DX, BasePort
|
||
Mov AL, 1
|
||
Out DX, AL
|
||
|
||
Mov DX, IWRegisterSelect
|
||
Mov AL, 0Eh
|
||
Out DX, AL ; DX = BasePort+103h
|
||
|
||
Add DL, 2 ; DX = BasePort+105h
|
||
Mov AL, 0CDh
|
||
Out DX, AL ; Full mixing rate
|
||
|
||
Mov CX, 32
|
||
Sub DL, 3
|
||
|
||
IWResetVoice1:
|
||
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, 3
|
||
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
|
||
Sub DL, 2
|
||
|
||
Mov AL, 6 ; Ramp rate
|
||
Out DX, AL
|
||
|
||
Mov AL, 32 ; 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
|
||
Dec DX
|
||
|
||
Mov AL, 15h
|
||
Out DX, AL
|
||
|
||
Add DL, 2 ; Synthesizer Mode select
|
||
Mov AL, 32 ; Offset enable, enable voice
|
||
Out DX, AL
|
||
|
||
ClI
|
||
Sub DL, 3 ; DX = BasePort + 102h = Voice select.
|
||
|
||
Loop IWResetVoice1
|
||
|
||
Inc DL
|
||
Mov AL, 5Bh
|
||
Out DX, AL
|
||
Add DL, 2
|
||
In AL, DX
|
||
Sub DL, 2
|
||
Shr AL, 4 ; AL = revision number
|
||
|
||
Add AL, 'A'
|
||
Mov Revision, AL
|
||
; Cmp AL, 'C'
|
||
; JE InitSound_IW2
|
||
|
||
; Mov OffsetTable, Offset IWOffsetTable2
|
||
|
||
InitSound_IW2:
|
||
Cmp CS:IRQ, 0FFFFh
|
||
JE InitSound_IW1
|
||
|
||
Mov AX, BasePort
|
||
Call ResetIW
|
||
|
||
In AL, 0A1h
|
||
Mov AH, AL
|
||
In AL, 21h
|
||
Mov IMR, AX
|
||
|
||
; Set IRQ
|
||
Mov BX, IRQ
|
||
ShL BX, 2 ; BX points to offset in IRQData
|
||
|
||
Xor DI, DI
|
||
Mov ES, DI
|
||
Mov DI, [BX+IRQData]
|
||
|
||
And AX, [BX+IRQData+2]
|
||
|
||
Out 21h, AL
|
||
Mov AL, AH
|
||
Out 0A1h, AL
|
||
|
||
Mov AX, CS
|
||
ShL EAX, 16
|
||
Mov AX, Offset IWIRQOnlyHandler
|
||
|
||
XChg [ES:DI], EAX
|
||
Mov OldIRQHandler, EAX
|
||
|
||
StI
|
||
|
||
Mov DX, BasePort
|
||
Mov AL, 9
|
||
Out DX, AL
|
||
|
||
Call GetTempo
|
||
Call SetTempo
|
||
Call ResetMemory
|
||
|
||
Mov AL, Revision
|
||
Mov RevisionLetter2, AL
|
||
|
||
Mov AX, BasePort
|
||
Mov BX, IRQ
|
||
Mov CX, IWMemory
|
||
|
||
Mov SI, Offset IWID2
|
||
|
||
ClC
|
||
Ret
|
||
|
||
InitSound_IW1:
|
||
Mov AL, 4Ch
|
||
Out DX, AL
|
||
Add DL, 2
|
||
Mov AL, 3
|
||
Out DX, AL
|
||
|
||
Mov AL, 34h ; Program IRQ 0. LSB&MSB, Rate gen
|
||
Out 43h, AL
|
||
|
||
Call GetTempo
|
||
Call SetTempo
|
||
Call ResetMemory
|
||
|
||
Mov DX, BasePort
|
||
Mov AL, 1
|
||
Out DX, AL
|
||
|
||
Xor AX, AX
|
||
Mov ES, AX ; ES = 0
|
||
|
||
Mov AX, CS
|
||
ShL EAX, 16
|
||
Mov AX, Offset IWIRQHandler
|
||
|
||
ClI
|
||
|
||
XChg DWord Ptr [ES:20h], EAX ; Clock tick
|
||
Mov OldIRQHandler, EAX
|
||
|
||
StI
|
||
|
||
Mov AL, Revision
|
||
Mov RevisionLetter, AL
|
||
|
||
Mov AX, BasePort
|
||
Mov BX, IWMemory
|
||
Mov SI, Offset IWID
|
||
|
||
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 CS
|
||
Pop DS
|
||
Mov SI, Offset IWReinitMsg
|
||
Mov BX, 40
|
||
Call SetInfoLine
|
||
|
||
Mov BX, CS:IRQ
|
||
Cmp BX, 0FFFFh
|
||
JE ReInitSound1
|
||
|
||
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
|
||
|
||
Jmp ReInitSound2
|
||
|
||
ReInitSound1:
|
||
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
|
||
|
||
ReInitSound2:
|
||
Mov DX, IWRegisterSelect
|
||
Mov AL, 52h
|
||
Out DX, AL
|
||
Inc DX
|
||
Mov AX, NewIWLMCFI
|
||
Out DX, AX
|
||
|
||
Jmp RelocationEnd
|
||
|
||
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
|
||
|
||
Mov AX, BasePort
|
||
Call ResetIW
|
||
|
||
Mov DX, BasePort
|
||
Inc DH
|
||
Mov AL, 0FFh
|
||
Out DX, AL ; Stop MIDI
|
||
|
||
Mov CX, 32
|
||
Mov DX, CS:IWVoiceSelect
|
||
|
||
IWResetVoice2:
|
||
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, 3
|
||
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
|
||
Sub DL, 2
|
||
|
||
Mov AL, 9 ; Volume register, 16 bit
|
||
Out DX, AL
|
||
|
||
Inc DX
|
||
Xor AX, AX
|
||
Out DX, AX ; No volume
|
||
Dec DX
|
||
|
||
Mov AL, 15h
|
||
Out DX, AL
|
||
|
||
Add DL, 2
|
||
Mov AL, 2
|
||
Out DX, AL ; Deactivate voice
|
||
|
||
ClI
|
||
Sub DL, 3 ; DX = BasePort + 102h = Voice select.
|
||
|
||
Loop IWResetVoice2
|
||
|
||
; Inc DL
|
||
; Mov AL, 4Ch
|
||
; Out DX, AL
|
||
; Xor AL, AL
|
||
; Add DL, 2
|
||
; Out DX, AL
|
||
|
||
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
|
||
|
||
Jmp UnInitSound2
|
||
|
||
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
|
||
|
||
UnInitSound2:
|
||
Mov DX, IWRegisterSelect
|
||
Mov AL, 52h
|
||
Out DX, AL
|
||
Mov AX, IWLMCFI
|
||
Inc DX
|
||
Out DX, AX
|
||
|
||
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
|
||
|
||
ClI
|
||
|
||
Poll1:
|
||
Call [CS:UARTBufferEmpty]
|
||
JNC MIDIEnd
|
||
|
||
Mov DX, [CS:BasePort]
|
||
Inc DH
|
||
In AL, DX
|
||
Test AL, 1
|
||
JZ MIDIEnd
|
||
|
||
Inc DX
|
||
In AL, DX
|
||
Cmp AL, 0F0h
|
||
JAE MIDIEnd
|
||
|
||
Call [CS:UARTSend]
|
||
Jmp Poll1
|
||
|
||
MIDIEnd:
|
||
StI
|
||
|
||
Ret
|
||
|
||
EndP Poll
|
||
|
||
;<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 UARTOut
|
||
|
||
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><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
InterpretState DB 0
|
||
|
||
Proc SendUARTOut Far ; Local interpreter activated with 0F0h 0F0h.
|
||
|
||
Mov AH, CS:InterpretState
|
||
Cmp AH, 2
|
||
JB SendUARTOut1
|
||
|
||
; In interpreter.
|
||
JE SendUARTOut3
|
||
|
||
; Have InterpretType, now get parameter, then return to normal.
|
||
|
||
Mov CS:InterpretState, 0
|
||
|
||
SendUARTOut4:
|
||
Ret
|
||
|
||
SendUARTOut3:
|
||
Jmp SendUARTOutStateInc
|
||
|
||
SendUARTOut1:
|
||
Cmp AL, 0F0h
|
||
JNE SendUARTOut2
|
||
|
||
SendUARTOutStateInc:
|
||
Inc CS:InterpretState
|
||
Ret
|
||
|
||
SendUARTOut2:
|
||
Test AH, AH
|
||
JZ SendUARTOutEnd
|
||
|
||
Push AX
|
||
Mov AL, 0F0h
|
||
Call UARTOut
|
||
Pop AX
|
||
Mov CS:InterpretState, 0
|
||
|
||
SendUARTOutEnd:
|
||
Call UARTOut
|
||
Ret
|
||
|
||
EndP SendUARTOut
|
||
|
||
;<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:IWRegisterSelect
|
||
|
||
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 IWUpdateTimer, 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_IWLoadSampleEnd
|
||
|
||
Mov BL, [FS:BP+12h]
|
||
Test BL, 16
|
||
JZ Music_IWLoadSample12
|
||
|
||
Cmp ECX, [FS:BP+38h]
|
||
JBE Music_IWLoadSample12
|
||
|
||
Mov ECX, [FS:BP+38h]
|
||
Test BL, 32
|
||
JZ Music_IWLoadSample12
|
||
|
||
Cmp ECX, [FS:BP+44h]
|
||
JAE Music_IWLoadSample12
|
||
|
||
Mov ECX, [FS:BP+44h]
|
||
|
||
Music_IWLoadSample12:
|
||
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:IWDataTable+4*EAX], 0FFFFFFFFh
|
||
|
||
Add ECX, 2
|
||
|
||
Cmp IWMemorySegmented, 0
|
||
JNE Music_IWLoadSegmented1
|
||
|
||
Mov EAX, IWMemoryFree
|
||
|
||
Test Byte Ptr [FS:BP+12h], 2 ; 16 bit??
|
||
JZ Music_IWLoadSamples13
|
||
|
||
Cmp CS:Convert16To8Bit, 0
|
||
JNZ Music_IWLoadSamples5
|
||
|
||
Sub EAX, 1
|
||
JC Music_IWLoadSampleWarning
|
||
And EAX, Not 1 ; For alignment
|
||
Add ECX, ECX
|
||
Jmp Music_IWLoadSamples13
|
||
|
||
Music_IWLoadSamples5:
|
||
Inc ESI
|
||
Add EDX, EDX ; Step value.
|
||
|
||
Music_IWLoadSamples13:
|
||
Cmp ECX, EAX
|
||
JBE Music_IWLoadSample2
|
||
|
||
; Warning msg here.
|
||
Music_IWLoadSampleWarning:
|
||
Pop AX
|
||
ClC
|
||
Jmp Music_IWLoadSampleEnd
|
||
|
||
Music_IWLoadSample3:
|
||
StC
|
||
|
||
Music_IWLoadSampleEnd:
|
||
Pop FS
|
||
Pop ES
|
||
Pop DS
|
||
PopAD
|
||
|
||
Ret
|
||
|
||
Music_IWLoadSegmented1:
|
||
Test Byte Ptr [FS:BP+12h], 2 ; 16 bit??
|
||
JZ Music_IWLoadSegmented3
|
||
|
||
Cmp CS:Convert16To8Bit, 0
|
||
JNZ Music_IWLoadSegmented2
|
||
|
||
Add ECX, ECX
|
||
|
||
; Check each of 4 banks...
|
||
Xor BX, BX
|
||
|
||
Music_Load16BitSegment1:
|
||
Mov EAX, [IWBank1+BX]
|
||
And EAX, Not 1 ; For alignment
|
||
Cmp ECX, EAX
|
||
JBE Music_LoadSegment2
|
||
|
||
Music_Load16BitSegment2:
|
||
Add BX, 4
|
||
Cmp BX, 16
|
||
JB Music_Load16BitSegment1
|
||
Jmp Music_IWLoadSampleWarning
|
||
|
||
Music_LoadSegment2:
|
||
Sub EAX, ECX
|
||
Mov [IWBank1+BX], EAX
|
||
ShL EBX, 20
|
||
Add EBX, EAX
|
||
Jmp LoadIWSampleChain
|
||
|
||
Music_IWLoadSegmented2:
|
||
Inc ESI
|
||
Add EDX, EDX ; Step value.
|
||
|
||
Music_IWLoadSegmented3:
|
||
Xor BX, BX
|
||
|
||
Music_Load8BitSegment1:
|
||
Mov EAX, [IWBank1+BX]
|
||
Cmp ECX, EAX
|
||
JBE Music_LoadSegment2
|
||
|
||
Add BX, 4
|
||
Cmp BX, 16
|
||
JB Music_Load8BitSegment1
|
||
Jmp Music_IWLoadSampleWarning
|
||
|
||
Music_IWLoadSample2: ; 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 - IWBanks*4:0)
|
||
MovZX EBX, CS:IWMemory
|
||
ShL EBX, 10
|
||
; BX = bytes avail.
|
||
Sub EBX, EAX
|
||
Sub EAX, ECX
|
||
Mov IWMemoryFree, EAX
|
||
|
||
LoadIWSampleChain:
|
||
Pop DI ; DI = sample number
|
||
|
||
ShL DI, 2
|
||
|
||
Cmp CS:Convert16To8Bit, 0
|
||
JNZ LoadIWForced8Bit
|
||
|
||
Test Byte Ptr [FS:BP+12h], 2
|
||
JNZ Music_IWLoad16BitSample
|
||
|
||
LoadIWForced8Bit:
|
||
Push EBX
|
||
Inc EBX
|
||
Mov [CS:IWDataTable+DI], EBX ; Store pointer
|
||
|
||
Mov ES, CS:SongDataArea
|
||
Pop EDI ; EDI = location in IW mem
|
||
|
||
Sub ECX, 2
|
||
; EDI = location in IW mem
|
||
; DS:SI = sample data
|
||
; ECX = length.
|
||
; EDX = step value.
|
||
ClI
|
||
|
||
Push BP
|
||
|
||
Mov EBP, EDX
|
||
|
||
Call IWSetPosition
|
||
|
||
Mov AL, [DS:SI+BP]
|
||
Call LoadIWSample
|
||
Call LoadIWSamples
|
||
|
||
Mov BH, AL
|
||
|
||
Pop BP
|
||
|
||
Mov AL, [FS:BP+12h]
|
||
Test AL, 16
|
||
JZ Music_IWLoadSample10
|
||
|
||
Mov ESI, [FS:BP+34h]
|
||
Test AL, 64
|
||
JZ Music_IWLoadSample11
|
||
|
||
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_IWLoadSample11:
|
||
Test Byte Ptr [FS:BP+12h], 2
|
||
JZ Music_IWLoadSample6
|
||
|
||
Add ESI, ESI
|
||
Inc SI
|
||
|
||
Music_IWLoadSample6:
|
||
Int 3
|
||
|
||
Mov BH, [SI]
|
||
|
||
Music_IWLoadSample10:
|
||
Mov AL, BH
|
||
Call LoadIWSample
|
||
|
||
StI
|
||
Jmp Music_IWLoadSample3 ; Return.. no error.
|
||
|
||
Music_IWLoad16BitSample:
|
||
Push EBX
|
||
|
||
ShR EBX, 1
|
||
Inc BX
|
||
Mov [CS:IWDataTable+DI], EBX
|
||
|
||
Mov ES, CS:SongDataArea
|
||
Pop EDI ; EDI = location in IW mem
|
||
|
||
Sub ECX, 4
|
||
ClI
|
||
|
||
Push BP
|
||
|
||
Mov EBP, EDX
|
||
|
||
Call IWSetPosition
|
||
|
||
Mov AX, [DS:ESI+EBP*2]
|
||
Call LoadIWSample
|
||
Mov AL, AH
|
||
Call LoadIWSample
|
||
|
||
Call Load16IWSamples
|
||
|
||
Pop BP
|
||
|
||
Xor BX, BX
|
||
|
||
Mov AL, [FS:BP+12h]
|
||
Test AL, 16
|
||
JZ Music_IWLoad16BitSample11B
|
||
|
||
Mov ESI, [FS:BP+34h]
|
||
|
||
Test AL, 64
|
||
JZ Music_IWLoad16BitSample11
|
||
|
||
Mov ESI, [FS:BP+38h]
|
||
Sub ESI, 2
|
||
JNC Music_IWLoad16BitSample11
|
||
|
||
Xor ESI, ESI
|
||
|
||
Music_IWLoad16BitSample11:
|
||
Mov EAX, Not 0
|
||
Mov CL, CS:Compress
|
||
ShL EAX, CL
|
||
And ESI, EAX
|
||
|
||
Add ESI, ESI
|
||
Int 3
|
||
|
||
Mov BX, [SI]
|
||
|
||
Music_IWLoad16BitSample11B:
|
||
Mov AX, BX
|
||
Call LoadIWSample
|
||
Mov AL, AH
|
||
Call LoadIWSample
|
||
|
||
StI
|
||
Jmp Music_IWLoadSample3 ; 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 IWDataTable]
|
||
; Now to release the last
|
||
; sample from IW memory if
|
||
; able to.
|
||
|
||
Mov EBP, [CS:DI] ; EBP = sample pointer.
|
||
Cmp EBP, 0FFFFFFFFh
|
||
JE ReleaseSample3
|
||
|
||
ReleaseSample4:
|
||
MovZX EAX, CS:IWMemory
|
||
SHL EAX, 10
|
||
|
||
; 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:
|
||
Add EBP, EBP
|
||
|
||
ReleaseSample8Bit:
|
||
Cmp IWMemorySegmented, 0
|
||
JNE ReleaseSampleSegmented1
|
||
|
||
Sub EAX, EBP
|
||
Sub EAX, ECX
|
||
|
||
Cmp EAX, IWMemoryFree
|
||
JNE ReleaseSample3
|
||
|
||
Add ECX, EDI
|
||
Add IWMemoryFree, ECX
|
||
|
||
Ret
|
||
|
||
ReleaseSampleSegmented1: ; EBP = sample pointer
|
||
; if EBP-EDI = mem remaining in
|
||
; segment, then add ECX+EDI...
|
||
Xor AX, AX
|
||
Sub EBP, EDI
|
||
Add ECX, EDI
|
||
Mov EDI, EBP
|
||
|
||
And EBP, 3FFFFFh
|
||
|
||
ShR EDI, 22
|
||
And DI, 3
|
||
Mov EAX, [IWBank1+EDI*4]
|
||
Cmp EAX, EBP
|
||
JNE ReleaseSample3
|
||
|
||
Add [IWBank1+EDI*4], 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, IWMemory ; Number of kbytes
|
||
ShL EAX, 10 ; Translate to bytes
|
||
|
||
Cmp IWMemorySegmented, 0
|
||
JE ResetMemory1
|
||
|
||
Xor AH, AH
|
||
Mov AL, [IWBankTable]
|
||
ShL EAX, 16
|
||
Mov IWBank1, EAX
|
||
|
||
Xor AH, AH
|
||
Mov AL, [IWBankTable+1]
|
||
ShL EAX, 16
|
||
Mov IWBank2, EAX
|
||
|
||
Xor AH, AH
|
||
Mov AL, [IWBankTable+2]
|
||
ShL EAX, 16
|
||
Mov IWBank3, EAX
|
||
|
||
Xor AH, AH
|
||
Mov AL, [IWBankTable+3]
|
||
ShL EAX, 16
|
||
Mov IWBank4, EAX
|
||
|
||
Jmp ResetMemory2
|
||
|
||
ResetMemory1:
|
||
Sub EAX, 64 ; Safety bytes.
|
||
Mov IWMemoryFree, EAX
|
||
|
||
ResetMemory2:
|
||
Push CS
|
||
Pop ES
|
||
Mov DI, Offset IWDataTable
|
||
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, IWMemoryFree
|
||
Cmp IWMemorySegmented, 0
|
||
JE GetStatus1
|
||
|
||
Mov EAX, IWBank1
|
||
Add EAX, IWBank2
|
||
Add EAX, IWBank3
|
||
Add EAX, IWBank4
|
||
|
||
GetStatus1:
|
||
Mov SI, Offset IWFreeMsg
|
||
ShR EAX, 10
|
||
|
||
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 IWScreenList
|
||
|
||
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>
|
||
|
||
EndDriver:
|
||
|
||
;******** Provided Constants Table *************
|
||
|
||
MaxNumberOfChannels DW 32 ; Maximum number of channels the
|
||
; driver can handle.
|
||
StopAfterPlay DW 0
|
||
DefaultChannels DW 32
|
||
|
||
DriverFlags DW 1 ; MIDI Out suported
|
||
DW 4 Dup (0)
|
||
|
||
;******** Provided Procedure Table *************
|
||
|
||
ProvidedTableStart:
|
||
DW Offset DetectIW
|
||
|
||
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 SendUARTOut ; MIDI output!
|
||
|
||
ProvidedTableEnd:
|
||
DW 32-(ProvidedTableEnd-ProvidedTableStart)/2 Dup (0)
|
||
|
||
EndS
|
||
|
||
End
|
||
|
||
*********************** Notes *******************
|
||
|
||
UltraSound Output Structure
|
||
|
||
0 1 2 3 4 5 6 7 8 9
|
||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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:<EFBFBD>(Flags)<EFBFBD>LastVol <EFBFBD>
|
||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
|