1752 lines
44 KiB
NASM
Executable File
1752 lines
44 KiB
NASM
Executable File
;
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; ESS Technology's ES1688 Audiodrive chip, MMX version.
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;
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.386P
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Segment DriverHeader PARA Public 'Code' Use16
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Assume CS:Driver, DS:Nothing
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;***** Driver Header *******
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include drhead.inc
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include mmx.inc
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EndS
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Segment Driver PARA Public 'Code' Use16
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Assume CS:Driver, DS:Nothing
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ORG 0
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StartDriver:
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include vtable.inc
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;******** Required ProcedureTable *************
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include reqproc.inc
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;**********************************
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STEREOENABLED EQU 1
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DMABUFFERLENGTH EQU 8192
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OUTPUTFILTERENABLED EQU 0
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MIXRESOLUTION EQU 32 ; 32 bit mixing for
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MIXTABLESIZE EQU 2*256*65
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;Debug DW 0
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;Debug2 DW 0
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ESSMsg DB "ES1688 AudioDrive MMX", 13
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DB "Port ", 0FDh, "Xh, IRQ ", 0FDh, "D, DMA ", 0FDh, "D", 0
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ESSNoMemoryMsg DB "ES1688 AudioDrive MMX", 13
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DB "Error: Insufficient memory", 0
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ReinitMsg DB "ES1688 AudioDrive reinitialised", 0
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ConfigErrorMsg DB "Error saving configuration to ITES1688.MMX", 0
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ConfigOKMsg DB "Configuration saved to ITES1688.MMX", 0
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DriverName DB "ITES1688.MMX", 0
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ALIGN 4
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FPSave DB 128 Dup (0)
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ESSMixConst DB 0, 0
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DMASize DW 4096 ; Smaller gives better MIDI timing
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ConfigPort DW 0
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Forced DB 0
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Stereo DB 0
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MixVolume DW 0
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BytesToMix DW 1000
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MixSegment DW 0
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MixTransferOffset DW 0
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MixTransferRemaining DW 0
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CONFIGURATIONOFFSET EQU $+128
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CONFIGSIZE EQU 6
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MixMode DW 0
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MixModeOffset DW 0
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Filter DW 0
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IMR DW 0
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OldESSIRQHandler DD 0
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IRQData Label Word
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DW 20h, 1111111111111110b ; IRQ 0
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DW 24h, 1111111111111101b ; IRQ 1
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DW 28h, 1111110111111011b ; IRQ 2
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DW 2Ch, 1111111111110111b ; IRQ 3
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DW 30h, 1111111111101111b ; IRQ 4
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DW 34h, 1111111111011111b ; IRQ 5
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DW 38h, 1111111110111111b ; IRQ 6
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DW 3Ch, 1111111101111111b ; IRQ 7
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DW 1C0h, 1111111011111011b ; IRQ 8
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DW 1C4h, 1111110111111011b ; IRQ 9
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DW 1C8h, 1111101111111011b ; IRQ 10
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DW 1CCh, 1111011111111011b ; IRQ 11
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DW 1D0h, 1110111111111011b ; IRQ 12
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DW 1D4h, 1101111111111011b ; IRQ 13
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DW 1D8h, 1011111111111011b ; IRQ 14
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DW 1DCh, 0111111111111011b ; IRQ 15
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ESSScreenList Label
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DW 6
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DW Near Ptr IdleFunctionList
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DW Near Ptr GlobalKeyLink
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DW Near Ptr FullScreenBox ; 0
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DW Near Ptr ScreenHeader
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DW Near Ptr FillHeader
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DW Near Ptr ESSHeaderLine
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DW Near Ptr DriverText
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DW Near Ptr MixModeText
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DW Near Ptr MixModeButton1 ; 6
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DW Near Ptr MixModeButton2 ;
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DW Near Ptr MixModeButton3 ; 8
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DW Near Ptr MixModeButton4 ; 9
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Comment ~
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DW Near Ptr VolumeText
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DW Near Ptr VolumeBox1
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DW Near Ptr MasterVolumeLeft ; 16
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DW Near Ptr MasterVolumeRight ; 17
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~
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DW 0
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ESSHeaderLine DW 10
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DB "ESS1688 AudioDrive MMX Driver", 0
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EmptyObject DW 1
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DB 0, 0
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DB 0
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DB 0
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DriverText DW 1
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DB 33, 48
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DB 21h
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DB "ESS AudioDrive Driver 1.0 for Impulse Tracker", 0
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GlobalKeyLink DB 7
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GlobalKeyLink2 DD 0
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IdleFunctionList DD 0
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DD 0
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FillHeader DW 8
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FillHeader2 DD 0
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FullScreenBox DW 0
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DB 0, 0, 79, 49
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DB 4
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ScreenHeader DW 8
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ScreenHeader2 DD 0
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Comment ~
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VolumeText DW 1
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DB 2, 14
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DB 20h
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DB "Master Volume Left", 13
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DB "Master Volume Right"
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DB 0
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VolumeBox1 DW 0
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DB 21, 13, 31, 16
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DB 25
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MasterVolumeLeft DW 14
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DB 22, 14
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DW 0, 15
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DW 9, 0
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DW 0FFFFh, 17, 0FFFFh, 0FFFFh
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DW 0FFFFh, 0FFFFh
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DW 8
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MasterVolumeRight DW 14
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DB 22, 15
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DW 0, 15
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DW 9, 1
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DW 16, 6, 0FFFFh, 0FFFFh
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DW 0FFFFh, 0FFFFh
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DW 8
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~
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MixModeText DW 1
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DB 2, 14
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DB 20h
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DB "Mixing Mode, Playback Frequency: ", 0FDh, "DHz", 0
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MixSpeed DW 44100
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DW 0
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MixModeButton1 DW 2
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DW 0FFFFh, 7, 0FFFFh, 0FFFFh
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DW 0
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DW 0, 0
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DW 6
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DW Offset GetMixMode
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DriverSegment1 DW 0
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DW 0
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DW Offset SetMixMode
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DriverSegment2 DW 0
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DB 3, 16, 32, 18, 8
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DB 0
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DB " MMX, Non-Interpolated", 0
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MixModeButton2 DW 2
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DW 6, 8, 0FFFFh, 0FFFFh
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DW 0
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DW 0, 0
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DW 6
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DW Offset GetMixMode
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DriverSegment3 DW 0
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DW 1
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DW Offset SetMixMode
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DriverSegment4 DW 0
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DB 3, 19, 32, 21, 8
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DB 0
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DB " MMX, Interpolated", 0
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MixModeButton3 DW 2
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DW 7, 9, 0FFFFh, 0FFFFh
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DW 0
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DW 0, 0
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DW 6
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DW Offset GetMixMode
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DriverSegment5 DW 0
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DW 2
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DW Offset SetMixMode
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DriverSegment6 DW 0
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DB 3, 22, 32, 24, 8
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DB 0
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DB " MMX, Volume Ramped", 0
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MixModeButton4 DW 2
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DW 8, 0FFFFh, 0FFFFh, 0FFFFh
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DW 0
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DW 0, 0
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DW 6
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DW Offset GetMixMode
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DriverSegment7 DW 0
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DW 3
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DW Offset SetMixMode
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DriverSegment8 DW 0
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DB 3, 25, 32, 27, 8
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DB 0
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DB " MMX, Filtered", 0
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ALIGN 4
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VolumeTable DB 2 Dup (0)
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||
MIDIPort DW 0
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||
|
||
MIDIBuffer DB 256 Dup (0)
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||
MIDIBufferHead DB 0
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||
MIDIBufferTail DB 0
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||
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||
; <20><> MixingRoutines <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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MixBufferPos DW 0
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include dmasirq.inc
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include mix.inc
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include m32bitm.mix
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include m32bitmi.mix
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include m32bitmv.mix
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include m32bitmf.mix
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ALIGN 2
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MixFunctionTables Label
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include m32bitm.inc
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include m32bitmi.inc
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include m32bitmv.inc
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include m32bitmf.inc
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include mnomix.inc
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;<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>
|
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RelocationTable Label Word
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DW Offset DriverSegment1, Offset DriverSegment2
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DW Offset DriverSegment3, Offset DriverSegment4
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DW Offset DriverSegment5, Offset DriverSegment6
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DW Offset DriverSegment7, Offset DriverSegment8
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DW 0
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;<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>
|
||
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Proc ESSOut ; AL = data
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; DX = 2xCh
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Push AX
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ESSOut1:
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In AL, DX
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Test AL, AL
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JS ESSOut1
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Pop AX
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Out DX, AL
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Ret
|
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EndP ESSOut
|
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;<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>
|
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|
||
Proc ESSOut2 ; AL = data
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; DX = 2xCh
|
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||
Push AX
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ESSOut2A:
|
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In AL, DX
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Test AL, 80h
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LoopNZ ESSOut2A
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Pop AX
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Out DX, AL
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Ret
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EndP ESSOut2
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;<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>
|
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|
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Proc DetectMMX
|
||
|
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PushFD
|
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Pop EAX
|
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Mov EBX, EAX
|
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Xor EAX, 00200000h
|
||
Push EAX
|
||
PopFD
|
||
PushFD
|
||
Pop EAX
|
||
Cmp EAX, EBX
|
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JZ DetectMMXFail
|
||
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Mov EAX, 1
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DB 0Fh, 0A2h ; CPUID
|
||
Test EDX, 800000h
|
||
JZ DetectMMXFail
|
||
|
||
ClC
|
||
Ret
|
||
|
||
DetectMMXFail:
|
||
StC
|
||
Ret
|
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|
||
EndP DetectMMX
|
||
|
||
;<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 ESSIn2
|
||
|
||
ESSInA1:
|
||
In AL, DX
|
||
Test AL, 40h
|
||
LoopZ ESSInA1
|
||
JZ ESSInA2
|
||
|
||
Add DL, 0Ah-0Ch ; DX = 2xAh -> Data read port
|
||
In AL, DX
|
||
Add DL, 0Ch-0Ah
|
||
|
||
Ret
|
||
|
||
ESSInA2:
|
||
Mov AL, 0FFh
|
||
Ret
|
||
|
||
EndP ESSIn2
|
||
|
||
;<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 ESSIn ; DX = 2xCh, returns AL
|
||
|
||
ESSIn1:
|
||
In AL, DX
|
||
Test AL, 40h
|
||
JZ ESSIn1
|
||
|
||
Add DL, 0Ah-0Ch ; DX = 2xAh -> Data read port
|
||
In AL, DX
|
||
Add DL, 0Ch-0Ah
|
||
|
||
Ret
|
||
|
||
EndP ESSIn
|
||
|
||
;<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 ; AL = out
|
||
|
||
Push DX
|
||
Push AX
|
||
|
||
Mov DX, CS:MIDIPort
|
||
Inc DX
|
||
|
||
UARTOut1:
|
||
In AL, DX
|
||
Test AL, 40h
|
||
JNZ UARTOut1
|
||
|
||
Pop AX
|
||
Dec 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>
|
||
|
||
Proc UARTIn ; returns AL
|
||
|
||
Push DX
|
||
|
||
Mov DX, CS:MIDIPort
|
||
Inc DX
|
||
|
||
UARTIn1:
|
||
In AL, DX
|
||
Test AL, 80h
|
||
JNZ UARTIn1
|
||
|
||
Dec DX
|
||
In AL, DX
|
||
|
||
Pop DX
|
||
Ret
|
||
|
||
EndP UARTIn
|
||
|
||
;<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 ESSReadMixerRegister ; AL = register to read
|
||
; DX = 2xCh
|
||
|
||
Add DL, 04-0Ch
|
||
Out DX, AL
|
||
Inc DX
|
||
In AL, DX
|
||
Add DL, 0Ch-05
|
||
|
||
Ret
|
||
|
||
EndP ESSReadMixerRegister
|
||
|
||
;<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 ESSReadRegister ; AH = register to read.
|
||
; DX = 2xCh
|
||
; returns AL
|
||
|
||
Mov AL, 0C0h
|
||
Call ESSOut
|
||
Mov AL, AH
|
||
Call ESSOut
|
||
Call ESSIn
|
||
|
||
Ret
|
||
|
||
EndP ESSReadRegister
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc GetMixMode Far
|
||
|
||
Push CS
|
||
Pop ES
|
||
Mov DI, Offset MixMode
|
||
|
||
Ret
|
||
|
||
EndP GetMixMode
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc SetMixMode Far
|
||
|
||
Mov AX, [SI+22]
|
||
|
||
ClI
|
||
|
||
Mov CS:MixMode, AX
|
||
|
||
Mov BX, 60
|
||
Mul BX
|
||
Mov CS:MixModeOffset, AX
|
||
|
||
StI
|
||
|
||
SetMixModeChain:
|
||
Call GotoHomeDirectory
|
||
|
||
; Now to save config into driver file.
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Mov AX, 3D02h ; Read write access
|
||
Mov DX, Offset DriverName
|
||
Mov SI, Offset ConfigErrorMsg
|
||
Int 21h
|
||
JC SetMixMode1
|
||
|
||
Mov BX, AX
|
||
|
||
Mov AX, 4200h
|
||
Xor CX, CX
|
||
Mov DX, Offset CONFIGURATIONOFFSET
|
||
Int 21h
|
||
JC SetMixMode2
|
||
|
||
Mov AH, 40h
|
||
Mov CX, CONFIGSIZE
|
||
Mov DX, Offset MixMode
|
||
Int 21h
|
||
|
||
SetMixMode2:
|
||
PushF
|
||
Mov AH, 3Eh
|
||
Int 21h
|
||
PopF
|
||
|
||
JC SetMixMode1
|
||
|
||
Mov SI, Offset ConfigOKMsg
|
||
|
||
SetMixMode1:
|
||
Mov BX, 40
|
||
Call SetInfoLine
|
||
|
||
Mov AX, 1
|
||
Ret
|
||
|
||
EndP SetMixMode
|
||
Assume DS:Nothing
|
||
|
||
; <20><> DetectCard <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Returns carry set if error, else carry clear. Has to setup internal vars
|
||
; (eg. appropriate IRQ/DMA whatever).
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc DetectCard Far
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Mov Forced, AL
|
||
|
||
Call DetectMMX
|
||
JC DetectCardFailure
|
||
|
||
Mov AX, BasePort
|
||
Cmp AX, 0FFFFh
|
||
JE DetectCard1
|
||
|
||
Cmp AX, 210h
|
||
JB DetectCard9
|
||
Cmp AX, 280h
|
||
JA DetectCard9
|
||
|
||
Call ResetDSP
|
||
JNC DetectCard2
|
||
|
||
Ret
|
||
|
||
DetectCard1:
|
||
Mov AX, 210h
|
||
|
||
DetectCard2:
|
||
Call ResetDSP
|
||
JNC DetectCard3
|
||
Add AL, 10h
|
||
Cmp AL, 80h
|
||
JBE DetectCard2
|
||
|
||
DetectCard9:
|
||
StC
|
||
Ret
|
||
|
||
DetectCard3: ; OK... DSP found.
|
||
; Get DSP version
|
||
Mov BasePort, AX
|
||
|
||
Mov DX, AX
|
||
Xor CX, CX
|
||
Add DL, 0Ch ; 2xCh -> Data ready to send...
|
||
|
||
Mov AL, 0E1h
|
||
Call ESSOut2
|
||
|
||
Call ESSIn2
|
||
Mov AH, AL ; AH = Major version number
|
||
Call ESSIn2 ; AL = Minor version number
|
||
|
||
Cmp AX, 301h
|
||
JNE DetectCardFailure
|
||
|
||
Mov AL, 0E7h
|
||
Call ESSOut2
|
||
Call ESSIn2
|
||
Mov AH, AL
|
||
Call ESSIn2
|
||
|
||
Cmp AH, 68h
|
||
JNE DetectCardReset
|
||
Cmp AL, 88h
|
||
JB DetectCardReset
|
||
Cmp AL, 90h
|
||
JAE DetectCardReset
|
||
; We have an ES1688 Audiodrive chip!
|
||
|
||
Comment ~
|
||
Mov AL, 40h
|
||
Call ESSReadMixerRegister
|
||
ShL AL, 1
|
||
And AX, 30h
|
||
Add AX, 300h
|
||
Mov MIDIPort, AX
|
||
~
|
||
|
||
Mov AH, 0B1h ; IRQ determination
|
||
Call ESSReadRegister
|
||
|
||
Mov BX, 9
|
||
And AL, 0Ch
|
||
JZ DetectCardIRQ
|
||
|
||
Mov BX, 5
|
||
Cmp AL, 4
|
||
JE DetectCardIRQ
|
||
|
||
Mov BX, 7
|
||
Cmp AL, 8
|
||
JE DetectCardIRQ
|
||
|
||
Mov BX, 10
|
||
Cmp AL, 0Ch
|
||
JNE DetectCardFailure
|
||
|
||
|
||
DetectCardIRQ:
|
||
Mov IRQ, BX
|
||
|
||
Mov AH, 0B2h
|
||
Call ESSReadRegister
|
||
|
||
Xor BX, BX
|
||
And AL, 0Ch
|
||
JZ DetectCardFailure
|
||
|
||
Cmp AL, 4
|
||
JE DetectCardDMA
|
||
|
||
Inc BX
|
||
Cmp AL, 8
|
||
JE DetectCardDMA
|
||
|
||
Add BL, 2
|
||
|
||
DetectCardDMA:
|
||
Mov DMA, BX
|
||
|
||
Mov EAX, 'Jeff'
|
||
ClC
|
||
Ret
|
||
|
||
DetectCardReset:
|
||
Sub DL, 0Ch
|
||
Mov AX, DX
|
||
Call ResetDSP
|
||
|
||
DetectCardFailure:
|
||
StC
|
||
Ret
|
||
|
||
|
||
EndP DetectCard
|
||
Assume DS:Nothing
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc ResetDSP Far ; AX = Port
|
||
|
||
Push AX
|
||
Push CX
|
||
Push DX
|
||
|
||
Mov DX, AX
|
||
Add DL, 6
|
||
Mov AL, 3
|
||
Out DX, AL
|
||
|
||
In AL, DX
|
||
In AL, DX
|
||
In AL, DX
|
||
In AL, DX
|
||
|
||
Xor AL, AL
|
||
Out DX, AL
|
||
|
||
Add DL, 8
|
||
Mov CX, 200
|
||
|
||
ResetDSP1:
|
||
In AL, DX
|
||
Test AL, AL
|
||
JS ResetDSP2
|
||
Loop ResetDSP1
|
||
Jmp ResetDSP3
|
||
|
||
ResetDSP2:
|
||
Sub DL, 4
|
||
In AL, DX
|
||
Cmp AL, 0AAh
|
||
JE ResetDSP4
|
||
Add DL, 4
|
||
Loop ResetDSP1
|
||
|
||
ResetDSP3:
|
||
StC
|
||
|
||
ResetDSP4:
|
||
Pop DX
|
||
Pop CX
|
||
Pop AX
|
||
Ret
|
||
|
||
EndP ResetDSP
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
include mmxmsam.inc
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc CheckMIDI
|
||
|
||
Push DS
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Xor BX, BX
|
||
Call UARTIn
|
||
Mov BL, [MIDIBufferTail]
|
||
|
||
Cmp AL, 0F0h
|
||
JAE CheckMIDIEnd
|
||
|
||
Inc BL
|
||
Cmp BL, MIDIBufferHead
|
||
JE CheckMIDIEnd
|
||
|
||
Mov [MIDIBuffer+BX], AL
|
||
Mov [MIDIBufferTail], BL
|
||
|
||
CheckMIDIEnd:
|
||
Pop DS
|
||
Ret
|
||
|
||
EndP CheckMIDI
|
||
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 ESSIRQHandler
|
||
|
||
PushAD
|
||
Push DS
|
||
Push ES
|
||
|
||
ClD
|
||
|
||
Mov AX, CS
|
||
Mov DS, AX
|
||
Assume DS:Driver
|
||
|
||
; Inc Debug
|
||
|
||
Comment ~
|
||
Mov DX, [ConfigPort]
|
||
Add DL, 6
|
||
In AL, DX
|
||
Test AL, 8
|
||
JZ ESSNoMIDI
|
||
|
||
Push AX
|
||
Call CheckMIDI
|
||
Pop AX
|
||
|
||
ESSNoMIDI:
|
||
Test AL, 1
|
||
JZ ESSIRQEnd
|
||
~
|
||
Mov DX, [BasePort] ; ESSAck
|
||
Add DL, 0Eh ; ESSAck
|
||
In AL, DX ; ESSAck
|
||
|
||
Mov AL, 20h ; IRQAck
|
||
Cmp IRQ, 8 ; IRQAck
|
||
JB WSSAckIRQ1 ; IRQAck
|
||
; IRQAck
|
||
Out 0A0h, AL ; IRQAck
|
||
; IRQAck
|
||
WSSAckIRQ1: ; IRQAck
|
||
Out 20h, AL ; IRQAck
|
||
|
||
DMAPort1 EQU $+1
|
||
In AL, 1
|
||
Mov BL, AL
|
||
DMAPort2 EQU $+1
|
||
In AL, 1
|
||
Mov BH, AL
|
||
|
||
Xor AX, AX
|
||
|
||
Cmp BX, DMABUFFERLENGTH/2
|
||
JB WSSIRQHandler1
|
||
|
||
Mov AX, DMABUFFERLENGTH/2
|
||
|
||
WSSIRQHandler1:
|
||
FNSave [FPSave]
|
||
|
||
; OK... time to get next block
|
||
; Check whether stereo thing is on..
|
||
;
|
||
LES DI, [ActualDMAPtr]
|
||
Mov BX, DMASize ; BX = bytes required
|
||
Add DI, AX
|
||
ShR BX, 1
|
||
; BX = samples required
|
||
Call SaveEMSPageFrame
|
||
|
||
Cmp MixTransferRemaining, 0
|
||
JNE ESSIRQHandler4
|
||
Assume DS:Nothing
|
||
|
||
ESSIRQHandler3:
|
||
Push BX
|
||
Push CX
|
||
Push BP
|
||
Push ES
|
||
Push DI
|
||
|
||
Call Update
|
||
Call MixSamples
|
||
|
||
Pop DI
|
||
Pop ES
|
||
Pop BP
|
||
Pop CX
|
||
Pop BX
|
||
|
||
ESSIRQHandler4:
|
||
Mov DS, MixSegment
|
||
Mov SI, MixTransferOffset
|
||
Mov DX, BX ; DX = samples to transfer
|
||
Cmp DX, MixTransferRemaining
|
||
JBE ESSIRQHandler5
|
||
|
||
Mov DX, MixTransferRemaining
|
||
|
||
ESSIRQHandler5:
|
||
|
||
include mmxtrans.inc
|
||
|
||
Sub MixTransferRemaining, DX ; } Memory write
|
||
Sub BX, DX
|
||
JNZ ESSIRQHandler3
|
||
|
||
Mov MixTransferOffset, SI ; } Memory write
|
||
|
||
Call RestoreEMSPageFrame
|
||
|
||
FNRstor [CS:FPSave]
|
||
|
||
ESSIRQEnd:
|
||
Pop ES
|
||
Pop DS
|
||
PopAD
|
||
IRet
|
||
|
||
EndP ESSIRQHandler
|
||
Assume DS:Nothing
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc SetIRQ
|
||
|
||
PushAD
|
||
Push ES
|
||
|
||
Xor AX, AX
|
||
Mov ES, AX
|
||
|
||
Mov DI, IRQ
|
||
ShL DI, 2
|
||
Add DI, Offset IRQData
|
||
Mov BX, [CS:DI]
|
||
|
||
Mov AX, CS
|
||
ShL EAX, 16
|
||
Mov AX, Offset ESSIRQHandler
|
||
|
||
XChg [ES:BX], EAX
|
||
Mov OldESSIRQHandler, EAX
|
||
|
||
Mov AX, IMR
|
||
And AX, [DI+2]
|
||
|
||
Out 21h, AL
|
||
Mov AL, AH
|
||
Out 0A1h, AL
|
||
|
||
Pop ES
|
||
PopAD
|
||
|
||
Ret
|
||
|
||
EndP SetIRQ
|
||
Assume DS:Nothing
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc ResetIRQ
|
||
|
||
PushAD
|
||
Push ES
|
||
|
||
Xor AX, AX
|
||
Mov ES, AX
|
||
|
||
Mov DI, IRQ
|
||
ShL DI, 2
|
||
Mov BX, [IRQData+DI]
|
||
|
||
Mov EAX, OldESSIRQHandler
|
||
Mov [ES:BX], EAX
|
||
|
||
Pop ES
|
||
PopAD
|
||
|
||
Ret
|
||
|
||
EndP ResetIRQ
|
||
Assume DS:Nothing
|
||
|
||
;<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 GetESSMixConst
|
||
|
||
PushA
|
||
Push DS
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Mov AX, CmdLineMixSpeed
|
||
Mov CX, MixSpeed
|
||
Test AX, AX
|
||
JZ GetESSMixConst1
|
||
|
||
Mov CX, 22050
|
||
Cmp AX, CX
|
||
JB GetESSMixConst1
|
||
|
||
Mov CX, 56821
|
||
Cmp AX, CX
|
||
JA GetESSMixConst1
|
||
|
||
Mov CX, AX
|
||
|
||
GetESSMixConst1: ; CX = mixspeed.
|
||
Mov DX, 0Ch
|
||
Mov AX, 236Ch ; DX:AX = 795.5kHz
|
||
Div CX
|
||
|
||
Mov BX, AX
|
||
Neg AL
|
||
Mov ESSMixConst, AL
|
||
|
||
Mov DX, 0Ch
|
||
Mov AX, 236Ch
|
||
Div BX
|
||
Mov MixSpeed, AX
|
||
|
||
FNInit
|
||
FILd DWord Ptr [MixSpeed]
|
||
FMul FreqMultiplier
|
||
FStP FreqMultiplier
|
||
|
||
Pop DS
|
||
PopA
|
||
Ret
|
||
|
||
EndP GetESSMixConst
|
||
|
||
;<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 StartESS
|
||
|
||
PushA
|
||
Push ES
|
||
Push DS
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
; Setup DMA
|
||
Mov BX, MixSegment
|
||
Mov AX, 80
|
||
Mov DX, DMA
|
||
Mov DI, DMABUFFERLENGTH
|
||
Call SetDMA
|
||
|
||
LES DI, ActualDMAPtr
|
||
Xor AX, AX
|
||
Mov CX, DMABUFFERLENGTH/2
|
||
Rep StosW
|
||
|
||
Mov MixBufferPos, 0
|
||
Mov MixTransferRemaining, 0
|
||
|
||
Mov AX, BasePort
|
||
Call ResetDSP
|
||
Mov DX, AX
|
||
Add DL, 0Ch
|
||
|
||
; Extended Functions
|
||
|
||
Mov AL, 0C6h
|
||
Call ESSOut
|
||
|
||
; Autoinit DMA
|
||
|
||
Mov AL, 0B8h
|
||
Call ESSOut
|
||
Mov AL, 4
|
||
Call ESSOut
|
||
|
||
; Stereo/Mono select
|
||
|
||
Mov AH, 0A8h
|
||
Call ESSReadRegister
|
||
Mov AH, AL
|
||
Mov AL, 0A8h
|
||
Call ESSOut
|
||
Mov AL, AH
|
||
And AL, Not 3
|
||
Or AL, 2
|
||
Cmp Stereo, 0
|
||
JE StartESS1
|
||
|
||
Xor AL, 3
|
||
|
||
StartESS1:
|
||
Call ESSOut
|
||
|
||
; DMA mode
|
||
|
||
Mov AL, 0B9h
|
||
Call ESSOut
|
||
Mov AL, 2
|
||
Call ESSOut
|
||
|
||
; Mixspeed
|
||
|
||
Mov AL, 0A1h
|
||
Call ESSOut
|
||
Mov AL, ESSMixConst
|
||
Call ESSOut
|
||
|
||
; Filter clock divider
|
||
Mov AL, 0A2h
|
||
Call ESSOut
|
||
|
||
Mov AL, 0FEh
|
||
Call ESSOut
|
||
|
||
; DMA counter
|
||
Mov CX, DMASize
|
||
Neg CX
|
||
|
||
Mov AL, 0A4h
|
||
Call ESSOut
|
||
Mov AL, CL
|
||
Call ESSOut
|
||
Mov AL, 0A5h
|
||
Call ESSOut
|
||
Mov AL, CH
|
||
Call ESSOut
|
||
|
||
; Initialise DAC
|
||
Mov AL, 0B6h
|
||
Call ESSOut
|
||
Mov AL, 0
|
||
Call ESSOut
|
||
|
||
; Configure DACs
|
||
|
||
Mov AL, 0B7h
|
||
Call ESSOut
|
||
Mov AL, 71h
|
||
Call ESSOut
|
||
|
||
Mov AL, 0B7h
|
||
Call ESSOut
|
||
|
||
Mov AL, 0BCh
|
||
Cmp Stereo, 0
|
||
JNE StartESS2
|
||
|
||
Mov AL, 0F4h
|
||
|
||
StartESS2:
|
||
Call ESSOut
|
||
|
||
; IRQ configuration
|
||
Mov AH, 0B1h
|
||
Call ESSReadRegister
|
||
Mov AH, AL
|
||
Mov AL, 0B1h
|
||
Call ESSOut
|
||
Mov AL, AH
|
||
And AL, 0Fh
|
||
Or AL, 50h
|
||
Call ESSOut
|
||
|
||
; DMA configuration
|
||
Mov AH, 0B2h
|
||
Call ESSReadRegister
|
||
Mov AH, AL
|
||
Mov AL, 0B2h
|
||
Call ESSOut
|
||
Mov AL, AH
|
||
And AL, 0Fh
|
||
Or AL, 50h
|
||
Call ESSOut
|
||
|
||
; Enable voice
|
||
Mov AL, 0D1h
|
||
Call ESSOut
|
||
|
||
; Start transfer
|
||
Mov AH, 0B8h
|
||
Call ESSReadRegister
|
||
Mov AH, AL
|
||
Mov AL, 0B8h
|
||
Call ESSOut
|
||
Mov AL, AH
|
||
Or AL, 1
|
||
Call ESSOut
|
||
|
||
Comment ~
|
||
|
||
; Init UART
|
||
Mov DX, MIDIPort
|
||
Inc DX
|
||
Mov AL, 3Fh ; Intelligent mode.
|
||
Out DX, AL
|
||
|
||
; Enable MIDI IRQ
|
||
Mov DX, BasePort
|
||
Add DL, 4
|
||
Mov AX, 4064h
|
||
Out DX, AX
|
||
|
||
~
|
||
|
||
Pop DS
|
||
Pop ES
|
||
PopA
|
||
|
||
Ret
|
||
|
||
EndP StartESS
|
||
Assume DS:Nothing
|
||
|
||
;<3B><> InitSound <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Sets up any memory required for output
|
||
; Initiates output
|
||
;
|
||
; Parameters: AX = Number of Channels
|
||
;
|
||
; If sucessful, returns:
|
||
; Carry flag clear
|
||
; DS:SI = pointer to text to display
|
||
; AX = parameter 1 in text
|
||
; BX = parameter 2 in text
|
||
; CX = parameter 3 in text
|
||
; DX = parameter 4 in text
|
||
; DI = parameter 5 in text
|
||
;
|
||
; If unsucessful, returns:
|
||
; Carry flag set
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc InitSound Far
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Mov SI, Offset RelocationTable
|
||
|
||
RelocationFix:
|
||
LodsW
|
||
Test AX, AX
|
||
JZ RelocationEnd
|
||
Mov BX, AX
|
||
Mov [BX], DS
|
||
Jmp RelocationFix
|
||
|
||
|
||
RelocationEnd:
|
||
Call GetEMSPageFrame
|
||
Mov EMSPageFrame, AX
|
||
|
||
In AL, 0A1h
|
||
Mov AH, AL
|
||
In AL, 21h
|
||
Mov IMR, AX
|
||
|
||
Mov ECX, IdleUpdateInfoLine
|
||
Mov EDX, GlobalKeyList
|
||
Mov IdleFunctionList, ECX
|
||
Mov GlobalKeyLink2, EDX
|
||
|
||
Mov ECX, FillHeaderFunction
|
||
Mov EDX, DrawHeaderFunction
|
||
Mov FillHeader2, ECX
|
||
Mov ScreenHeader2, EDX
|
||
|
||
Mov DX, BasePort
|
||
Add DL, 4
|
||
Mov AL, 22h
|
||
Out DX, AL
|
||
Inc DX
|
||
In AL, DX
|
||
Mov AH, AL
|
||
And AX, 0FF0h
|
||
ShR AH, 1
|
||
ShR AL, 5
|
||
Mov Word Ptr [VolumeTable], AX
|
||
|
||
Call GetESSMixConst
|
||
|
||
Mov AX, 2643
|
||
Mul MixSpeed
|
||
Add AX, 0FFFFh
|
||
AdC DX, (DMABUFFERLENGTH*2)/16 + 5
|
||
Mov BX, DX
|
||
|
||
; Allocate MixSegment first
|
||
Mov AH, 48h
|
||
|
||
Int 21h
|
||
JNC InitSound1
|
||
|
||
InitSoundNoMemory:
|
||
Mov SI, Offset ESSNoMemoryMsg
|
||
Ret
|
||
|
||
InitSound1:
|
||
Mov MixSegment, AX
|
||
|
||
Call SetIRQ
|
||
Call GetTempo
|
||
Call SetTempo
|
||
|
||
Mov SI, Offset ESSMsg
|
||
|
||
Mov AX, BasePort
|
||
Mov BX, IRQ
|
||
Mov CX, DMA
|
||
|
||
Ret
|
||
|
||
EndP InitSound
|
||
Assume DS:Nothing
|
||
|
||
;<3B><> ReInitSound <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Reinitialises sound output
|
||
; Initiates sound output
|
||
;
|
||
; Parameters: AX = number of channels.
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc ReInitSound Far
|
||
|
||
PushA
|
||
Push DS
|
||
Push ES
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Call ResetIRQ
|
||
Call SetIRQ
|
||
|
||
Mov SI, Offset ReInitMsg
|
||
Mov BX, 40
|
||
Call SetInfoLine
|
||
|
||
Mov AL, Stereo
|
||
Call SetStereo
|
||
|
||
Pop ES
|
||
Pop DS
|
||
PopA
|
||
|
||
Ret
|
||
|
||
EndP ReInitSound
|
||
Assume DS:Nothing
|
||
|
||
;<3B><> UnInitSound <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Stops sound output, releases any memory used by driver
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc UnInitSound Far
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Mov AX, IMR
|
||
Out 21h, AL
|
||
Mov AL, AH
|
||
Out 0A1h, AL
|
||
|
||
Mov AX, MixSegment
|
||
Test AX, AX
|
||
JZ UnInitSound1
|
||
|
||
Mov ES, AX
|
||
Mov AH, 49h ; Release MixSegment
|
||
Int 21h
|
||
|
||
Mov AX, BasePort
|
||
Call ResetDSP
|
||
Call ResetIRQ
|
||
|
||
UnInitSound1:
|
||
Ret
|
||
|
||
EndP UnInitSound
|
||
Assume DS:Nothing
|
||
|
||
;<3B><> Poll <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; This procedure is called as often as possible by IT.EXE
|
||
; AX = Playmode (0 for nothing in particular, 1 = pattern, 2 = song)
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc Poll Far
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
;
|
||
;DMAPort1 EQU $+1
|
||
; In AL, 1
|
||
; Mov BL, AL
|
||
;DMAPort2 EQU $+1
|
||
; In AL, 1
|
||
; Mov BH, AL
|
||
;
|
||
; Mov Debug2, BX
|
||
|
||
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
|
||
|
||
;<3B><> SetTempo <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Parameters: BX = tempo
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc SetTempo Far
|
||
|
||
Push AX
|
||
Push BX
|
||
Push DX
|
||
|
||
Push BX
|
||
|
||
Mov AX, MixSpeed
|
||
Mov BX, AX
|
||
Xor DX, DX
|
||
|
||
ShL AX, 1
|
||
RCL DX, 1 ; DX:AX = Mixspeed*2
|
||
|
||
ShR BX, 1 ; BX = Mixspeed/2
|
||
|
||
Add AX, BX
|
||
AdC DX, 0 ; DX:AX = Mixspeed*2.5
|
||
|
||
Pop BX ; BX = tempo
|
||
Div BX
|
||
|
||
Mov BytesToMix, AX
|
||
|
||
Pop DX
|
||
Pop BX
|
||
Pop AX
|
||
|
||
Ret
|
||
|
||
EndP SetTempo
|
||
|
||
;<3B><> SetMixVolume <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Parameters: AX = MixVolume
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc SetMixVolume Far
|
||
|
||
Mov CS:MixVolume, AX
|
||
Mov DS, Word Ptr [CS:RecalculateAllVolumes+2]
|
||
Jmp CS:RecalculateAllVolumes
|
||
|
||
EndP SetMixVolume
|
||
|
||
;<3B><> SetStereo <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Parameters: AL = Stereo on/off, 0 = off.
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc SetStereo Far
|
||
|
||
Mov CS:Stereo, AL
|
||
Cmp CS:MixSegment, 0
|
||
JE SetStereo1
|
||
|
||
Mov AX, BasePort
|
||
Call ResetDSP
|
||
Call StartESS
|
||
|
||
SetStereo1:
|
||
Ret
|
||
|
||
EndP SetStereo
|
||
|
||
;<3B><> LoadSample <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Parameters: AX = sample to load
|
||
; DS:SI points to sample header
|
||
; ES:0 points to first sample
|
||
;
|
||
; Returns: **Carry set if NO error**
|
||
; **Carry clear if error**
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
include loadsam.inc
|
||
|
||
;<3B><> ReleaseSample <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Parameters: AX = sample to release
|
||
; DS:SI points to sample header
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc ReleaseSample Far
|
||
|
||
Ret
|
||
|
||
EndP ReleaseSample
|
||
|
||
;<3B><> ResetMemory <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Frees all on-board memory
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc ResetMemory Far
|
||
|
||
Ret
|
||
|
||
EndP ResetMemory
|
||
|
||
;<3B><> GetStatus <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Frees all on-board memory
|
||
;
|
||
; Returns text to show on status line, AX = display parameter
|
||
; Carry set if not to show anything.
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc GetStatus Far
|
||
|
||
StC
|
||
Ret
|
||
|
||
EndP GetStatus
|
||
|
||
;<3B><> SoundCardScreen <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Function to have driver interactive part of program
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc SoundCardScreen Far
|
||
|
||
Mov AX, 5
|
||
Mov SI, 1
|
||
Mov CX, CS
|
||
Mov DX, Offset ESSScreenList
|
||
|
||
ClC
|
||
Ret
|
||
|
||
EndP SoundCardScreen
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc GetVariable Far
|
||
|
||
Xor AH, AH
|
||
Mov AL, [CS:VolumeTable+DI]
|
||
Ret
|
||
|
||
EndP GetVariable
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc SetVariable Far
|
||
|
||
Push DS
|
||
Push DX
|
||
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Mov [VolumeTable+DI], AL
|
||
|
||
Mov DX, BasePort
|
||
Add DL, 4
|
||
Mov AL, 22h
|
||
Out DX, AL
|
||
Mov AH, [VolumeTable]
|
||
ShL AH, 4
|
||
Or AH, [VolumeTable+1]
|
||
ShL AH, 1
|
||
Out DX, AX
|
||
|
||
Pop DX
|
||
Pop DS
|
||
Ret
|
||
|
||
EndP SetVariable
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
InterpretState DB 0
|
||
InterpretType 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.
|
||
|
||
Cmp AL, 7Fh
|
||
JA SendUARTOut4
|
||
|
||
Push BX
|
||
|
||
Mov BL, CS:InterpretType ; Want BX = InterpretType*64+Channel
|
||
;
|
||
ShL BX, 6
|
||
Add BL, [DI+20h]
|
||
And BX, 127
|
||
Mov [CS:FilterParameters+BX], AL
|
||
|
||
Pop BX
|
||
|
||
Test SI, SI
|
||
JZ SendUARTOut4
|
||
|
||
Or Byte Ptr [SI], 64
|
||
|
||
SendUARTOut4:
|
||
Mov CS:InterpretState, 0
|
||
Ret
|
||
|
||
SendUARTOut3:
|
||
Cmp AL, 2
|
||
JAE SendUARTOut4
|
||
|
||
Mov CS:InterpretType, AL
|
||
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:
|
||
Cmp AL, 0FCh
|
||
JE ResetFilters
|
||
Cmp AL, 0FAh
|
||
JE ResetFilters
|
||
|
||
Cmp AL, 0FFh
|
||
JNE SendUARTOutNoClear
|
||
|
||
ResetFilters:
|
||
PushA
|
||
Push ES
|
||
|
||
Push CS
|
||
Pop ES
|
||
|
||
Mov DI, Offset FilterParameters
|
||
Mov CX, 64
|
||
Mov AL, 7Fh
|
||
Rep StosB
|
||
Mov CX, 64
|
||
Xor AX, AX
|
||
Rep StosB
|
||
|
||
Pop ES
|
||
PopA
|
||
|
||
SendUARTOutNoClear:
|
||
; Call UARTOut
|
||
Ret
|
||
|
||
EndP SendUARTOut
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
EndDriver:
|
||
|
||
;******** Provided Variable Table *************
|
||
|
||
MaxNumberOfChannels DW 0FFFFh ; Maximum number of channels the
|
||
; driver can handle.
|
||
|
||
StopAfterPlay DW 0
|
||
DefaultChannels DW 128
|
||
DW 3
|
||
DW 4 Dup (0)
|
||
|
||
|
||
;******** Provided Procedure Table *************
|
||
|
||
ProvidedTableStart:
|
||
|
||
DW Offset DetectCard
|
||
|
||
DW Offset InitSound ; Playing related
|
||
DW Offset ReinitSound
|
||
DW Offset UninitSound
|
||
|
||
DW Offset Poll
|
||
|
||
DW Offset SetTempo ; Sound variable related
|
||
DW Offset SetMixVolume
|
||
DW Offset SetStereo
|
||
|
||
DW Offset LoadSample ; Sample related
|
||
DW Offset ReleaseSample
|
||
DW Offset ResetMemory
|
||
DW Offset GetStatus ; Returns string to show on status line
|
||
|
||
DW Offset SoundCardScreen ; Sound card 'screen'
|
||
|
||
DW Offset GetVariable ; For interface
|
||
DW Offset SetVariable
|
||
DW Offset SendUARTOut
|
||
|
||
ProvidedTableEnd:
|
||
DW 32-(ProvidedTableEnd-ProvidedTableStart)/2 Dup (0)
|
||
|
||
EndS
|
||
|
||
End
|