2329 lines
61 KiB
NASM
Executable File
2329 lines
61 KiB
NASM
Executable File
;
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; ESS Technology's ES1868 AudioDrive chip.
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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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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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PNPSERIALID EQU 0FFFFFFFFh
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PNPVENDORID EQU 68187316h
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STEREOENABLED EQU 1
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DMABUFFERLENGTH EQU 8192
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MIXRESOLUTION EQU 32 ; 32 bit mixing for
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MIXTABLESIZE EQU 2*256*65
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ESSMsg DB "ESS ES1868 AudioDrive found", 13
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DB "Port ", 0FDh, "Xh, IRQ ", 0FDh, "D, DMA ", 0FDh, "D", 0
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ESSNoMemoryMsg DB "ESS ES1868 AudioDrive found", 13
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DB "Error: Insufficient memory", 0
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ReinitMsg DB "ESS ES1868 AudioDrive reinitialised", 0
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ConfigErrorMsg DB "Error saving configuration to ITES1868.DRV", 0
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ConfigOKMsg DB "Configuration saved to ITES1868.DRV", 0
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DriverName DB "ITES1868.DRV", 0
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ALIGN 4
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FilterValue DD 0
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FilterValue2 DD 0
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ESSMixConst DB 0, 0
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DMASize DW 2048 ; 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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DMASegment 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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DW Near Ptr FilterText
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DW Near Ptr FilterButton1 ; 11
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DW Near Ptr FilterButton2
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DW Near Ptr FilterButton3
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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 "ESS ES1868 AudioDrive 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 26, 48
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DB 21h
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DB "ESS ES1868 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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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 " 16 Bit, 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 2
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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 " 16 Bit, 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 4
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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 " 32 Bit, Non-Interpolated", 0
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MixModeButton4 DW 2
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DW 8, 11, 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 6
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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 " 32 Bit, Interpolated", 0
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FilterText DW 1
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DB 2, 29
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DB 20h
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DB "Filter mode", 0
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FilterButton1 DW 2
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DW 9, 12, 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 GetFilter
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DriverSegment9 DW 0
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DW 0
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DW Offset SetFilter
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DriverSegment10 DW 0
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DB 3, 31, 29, 33, 8
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DB 0
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DB " No Filter", 0
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FilterButton2 DW 2
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DW 11, 13, 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 GetFilter
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DriverSegment11 DW 0
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DW 1
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DW Offset SetFilter
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DriverSegment12 DW 0
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DB 3, 34, 29, 36, 8
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DB 0
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DB " 50% Filter", 0
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FilterButton3 DW 2
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DW 12, 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 GetFilter
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DriverSegment13 DW 0
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DW 2
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DW Offset SetFilter
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DriverSegment14 DW 0
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DB 3, 37, 29, 39, 8
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DB 0
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DB " 75% Filter", 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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; <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 dma.inc
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include mix.inc
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include m12bit.mix
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include m12biti.mix
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include m32bit.mix
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include m32biti.mix
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MixFunctionTables Label
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include m12bit.inc ; contains the tables
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include m12biti.inc
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include m32bit.inc
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include m32biti.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 Offset DriverSegment9, Offset DriverSegment10
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DW Offset DriverSegment11, Offset DriverSegment12
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DW Offset DriverSegment13, Offset DriverSegment14
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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 ESSIn ; DX = 2xCh, returns AL
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ESSIn1:
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In AL, DX
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Test AL, 40h
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JZ ESSIn1
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Add DL, 0Ah-0Ch ; DX = 2xAh -> Data read port
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In AL, DX
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Add DL, 0Ch-0Ah
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Ret
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EndP ESSIn
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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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Proc UARTOut ; AL = out
|
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Push DX
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Push AX
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Mov DX, CS:MIDIPort
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Inc DX
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UARTOut1:
|
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In AL, DX
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Test AL, 40h
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JNZ UARTOut1
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Pop AX
|
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Dec DX
|
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Out DX, AL
|
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|
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Pop DX
|
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Ret
|
||
|
||
EndP UARTOut
|
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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>
|
||
|
||
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 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 GetFilter Far
|
||
|
||
Push CS
|
||
Pop ES
|
||
Mov DI, Offset Filter
|
||
|
||
Ret
|
||
|
||
EndP GetFilter
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc SetFilter Far
|
||
|
||
Mov AX, [SI+22]
|
||
Mov CS:FilterValue, 0
|
||
Mov CS:Filter, AX
|
||
ClI
|
||
Jmp SetMixModeChain
|
||
|
||
EndP SetFilter
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc SetMixMode Far
|
||
|
||
Mov AX, [SI+22]
|
||
|
||
ClI
|
||
|
||
Mov CS:MixMode, AX
|
||
|
||
Mov BX, 180
|
||
Mul BX
|
||
Mov CS:MixModeOffset, AX
|
||
|
||
Mov DS, Word Ptr [CS:RecalculateAllVolumes+2]
|
||
Call CS:RecalculateAllVolumes
|
||
|
||
StI
|
||
|
||
SetMixModeChain:
|
||
Call GotoHomeDirectory
|
||
|
||
; Now to save config into driver file.
|
||
Push CS
|
||
Pop DS
|
||
Assume DS:Driver
|
||
|
||
Mov AX, 3D02h ; Read write access
|
||
Mov DX, Offset DriverName
|
||
Mov SI, Offset ConfigErrorMsg
|
||
Int 21h
|
||
JC SetMixMode1
|
||
|
||
Mov BX, AX
|
||
|
||
Mov AX, 4200h
|
||
Xor CX, CX
|
||
Mov DX, Offset CONFIGURATIONOFFSET
|
||
Int 21h
|
||
JC SetMixMode2
|
||
|
||
Mov AH, 40h
|
||
Mov CX, CONFIGSIZE
|
||
Mov DX, Offset MixMode
|
||
Int 21h
|
||
|
||
SetMixMode2:
|
||
PushF
|
||
Mov AH, 3Eh
|
||
Int 21h
|
||
PopF
|
||
|
||
JC SetMixMode1
|
||
|
||
Mov SI, Offset ConfigOKMsg
|
||
|
||
SetMixMode1:
|
||
Mov BX, 40
|
||
Call SetInfoLine
|
||
|
||
Mov AX, 1
|
||
Ret
|
||
|
||
EndP SetMixMode
|
||
Assume DS:Nothing
|
||
|
||
; <20><> DetectCard <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Returns carry set if error, else carry clear. Has to setup internal vars
|
||
; (eg. appropriate IRQ/DMA whatever).
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
PnP_SerialID DD 0
|
||
PnP_VendorID DD 0
|
||
PnP_ReadPort DW 0
|
||
PnP_CSN DB 0
|
||
PnP_CardFound DB 0
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc PnP_Delay
|
||
Assume DS:Driver
|
||
|
||
Push AX CX
|
||
|
||
Mov CX, 180h
|
||
PnP_Delay1:
|
||
In AL, 21h
|
||
Loop PnP_Delay1
|
||
|
||
Pop CX AX
|
||
Ret
|
||
|
||
EndP PnP_Delay
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc PnP_WriteData
|
||
|
||
Mov DX, 279h
|
||
Out DX, AL
|
||
|
||
Mov AL, AH
|
||
Mov DH, 0Ah
|
||
Out DX, AL
|
||
Ret
|
||
|
||
EndP PnP_WriteData
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc PnP_ReadData
|
||
|
||
Mov DX, 279h
|
||
Out DX, AL
|
||
|
||
Mov DX, PnP_ReadPort
|
||
In AL, DX
|
||
|
||
Ret
|
||
|
||
EndP PnP_ReadData
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc PnP_Isolate
|
||
|
||
Mov AX, 402h
|
||
Call Pnp_WriteData ; Reset CSNs
|
||
|
||
PnP_IsolateNextCard:
|
||
Mov AX, 0003h
|
||
Call PnP_WriteData ; Wake[0]
|
||
|
||
Mov AX, PnP_ReadPort
|
||
ShL AX, 6
|
||
Xor AL, AL
|
||
Call PnP_WriteData ; Set Read Data port.
|
||
|
||
Call PnP_Delay
|
||
Call PnP_Delay
|
||
Call PnP_Delay
|
||
Call PnP_Delay
|
||
|
||
Mov AL, 1 ; Serial Isolation
|
||
Mov DX, 279h
|
||
Out DX, AL
|
||
|
||
Call PnP_Delay
|
||
Call PnP_Delay
|
||
Call PnP_Delay
|
||
Call PnP_Delay
|
||
|
||
Mov BL, 6Ah
|
||
Mov CX, 64
|
||
Mov DX, PnP_ReadPort
|
||
|
||
ClI
|
||
|
||
PnP_Isolate1:
|
||
ShR PnP_SerialID, 1
|
||
RCR PnP_VendorID, 1
|
||
|
||
Mov BH, BL
|
||
ShR BH, 1
|
||
Xor BH, BL
|
||
ShR BX, 1
|
||
|
||
In AL, DX
|
||
Mov AH, AL
|
||
Call PnP_Delay
|
||
In AL, DX
|
||
Call PnP_Delay
|
||
|
||
Cmp AX, 55AAh
|
||
JNE PnP_Isolate2
|
||
|
||
Xor BL, 80h
|
||
Or PnP_SerialID, 80000000h
|
||
|
||
PnP_Isolate2:
|
||
Dec CX
|
||
JNZ PnP_Isolate1
|
||
|
||
Mov CX, 8
|
||
Xor BH, BH
|
||
|
||
PnP_Isolate3:
|
||
ShR BH, 1
|
||
|
||
In AL, DX
|
||
Mov AH, AL
|
||
Call PnP_Delay
|
||
In AL, DX
|
||
Call PnP_Delay
|
||
Cmp AX, 55AAh
|
||
JNE PnP_Isolate4
|
||
|
||
Or BH, 80h
|
||
|
||
PnP_Isolate4:
|
||
Dec CX
|
||
JNZ PnP_Isolate3
|
||
|
||
StI
|
||
|
||
Cmp BL, BH ; Matching Checksum?
|
||
JNE PnP_IsolateFinished
|
||
|
||
; assign CSN
|
||
Inc PnP_CSN
|
||
|
||
Mov AL, 6
|
||
MOv AH, PnP_CSN
|
||
Call PnP_WriteData
|
||
|
||
Cmp PnP_VendorID, PNPVENDORID
|
||
JNE PnP_IsolateNextCard
|
||
Cmp PnP_SerialID, PNPSERIALID
|
||
JNE PnP_IsolateNextCard
|
||
|
||
Mov AL, 3
|
||
Call PnP_WriteData
|
||
|
||
Mov AX, 07h ; Configuration device
|
||
Call PnP_WriteData
|
||
|
||
Mov AL, 60h
|
||
Call PnP_ReadData
|
||
Mov AH, AL
|
||
Mov AL, 61h
|
||
Call PnP_ReadData ; AX = address.
|
||
Mov ConfigPort, AX
|
||
|
||
Mov AX, 107h ; Audio device
|
||
Call PnP_WriteData
|
||
|
||
Mov AL, 64h
|
||
Call PnP_ReadData
|
||
Mov AH, AL
|
||
Mov AL, 65h
|
||
Call PnP_ReadData ; AX = address.
|
||
Mov MIDIPort, AX
|
||
|
||
Mov AL, 60h
|
||
Call PnP_ReadData
|
||
Mov AH, AL
|
||
Mov AL, 61h
|
||
Call PnP_ReadData ; AX = address.
|
||
Cmp BasePort, 0FFFFh
|
||
JE PnPBasePortOK
|
||
|
||
Cmp BasePort, AX
|
||
JNE PnP_IsolateNextCard
|
||
|
||
PnPBasePortOK:
|
||
Mov BasePort, AX
|
||
|
||
Mov AL, 70h
|
||
Call PnP_ReadData ; AL[3:0] = IRQ
|
||
And AX, 15
|
||
JZ PnP_IsolateNextCard
|
||
Mov IRQ, AX
|
||
|
||
Mov AL, 74h
|
||
Call PnP_ReadData ; AL[2:0] = DMA
|
||
And AX, 7
|
||
Cmp AL, 4
|
||
JE PnP_IsolateNextCard
|
||
Mov DMA, AX
|
||
|
||
Mov Pnp_CardFound, 1
|
||
Jmp PnP_IsolateNextCard
|
||
|
||
PnP_IsolateFinished:
|
||
Mov AL, PnP_CSN
|
||
ShL AL, 1
|
||
Or AL, PnP_CardFound
|
||
|
||
Ret
|
||
|
||
EndP PnP_Isolate
|
||
|
||
;<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 ; returns carry clear if succesful
|
||
|
||
Push CS
|
||
Pop DS
|
||
|
||
Xor AL, AL
|
||
Mov DX, 279h
|
||
Out DX, AL
|
||
Out DX, AL
|
||
|
||
Mov AL, 6Ah ; Starting value
|
||
Mov CX, 32
|
||
|
||
PnP_InitiationKeyLoop:
|
||
Out DX, AL
|
||
|
||
Mov AH, AL
|
||
ShR AH, 1
|
||
Xor AH, AL
|
||
ShR AX, 1
|
||
|
||
Dec CX
|
||
JNZ PnP_InitiationKeyLoop
|
||
|
||
; Try three ports before concluding no PnP cards: 20Fh, 27Bh, 213h
|
||
|
||
PnP_DetectCardPort1:
|
||
Mov PnP_ReadPort, 20Fh
|
||
Call PnP_Isolate
|
||
JZ PnP_DetectCardPort2
|
||
Test AL, 1
|
||
JZ PnP_DetectCardNotFound
|
||
Jmp PnP_DetectCardFound
|
||
|
||
PnP_DetectCardPort2:
|
||
Mov PnP_ReadPort, 27Bh
|
||
Call PnP_Isolate
|
||
JZ PnP_DetectCardPort3
|
||
Test AL, 1
|
||
JZ PnP_DetectCardNotFound
|
||
Jmp PnP_DetectCardFound
|
||
|
||
PnP_DetectCardPort3:
|
||
Mov PnP_ReadPort, 213h
|
||
Call PnP_Isolate
|
||
Test AL, 1
|
||
JNZ PnP_DetectCardFound
|
||
|
||
PnP_DetectCardNotFound:
|
||
StC
|
||
Jmp PnP_DetectEnd
|
||
|
||
PnP_DetectCardFound:
|
||
ClC
|
||
|
||
PnP_DetectEnd: ; Return PnP to wait for key state
|
||
Mov AX, 202h
|
||
Call PnP_WriteData
|
||
Mov EAX, 'Jeff'
|
||
|
||
Ret
|
||
|
||
EndP DetectCard
|
||
Assume DS:Nothing
|
||
|
||
;<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, CS:MIDIPort
|
||
Inc DX
|
||
Mov AL, 0FFh
|
||
Out DX, AL
|
||
|
||
Mov DX, CS:BasePort
|
||
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>
|
||
|
||
MixModeTable Label Word
|
||
DW Offset Mix0ModeMono, Mix0ModeStereo
|
||
DW Offset Mix0ModeMono, Mix0ModeStereo
|
||
DW Offset Mix6ModeMono, Mix6ModeStereo
|
||
DW Offset Mix6ModeMono, Mix6ModeStereo
|
||
|
||
Proc MixSamples ; Given DS:SI = info tables, CX = numchannels
|
||
|
||
; 1. Clean buffer
|
||
; + update variables
|
||
; 2. Update parameters
|
||
; 3. Mix func
|
||
; 4. Return
|
||
|
||
Push CX
|
||
|
||
Mov CX, BytesToMix
|
||
Mov ES, MixSegment
|
||
Mov DI, MIXTABLESIZE
|
||
Xor EAX, EAX
|
||
Mov DX, CX
|
||
Add CX, CX
|
||
|
||
Mov MixTransferOffset, DI ; } Memory write
|
||
|
||
Cmp Stereo, 0
|
||
JE MixSamples1
|
||
|
||
Mov DX, CX
|
||
|
||
MixSamples1:
|
||
Rep StosD ; } Memory write
|
||
Mov MixTransferRemaining, DX ; }
|
||
|
||
Pop CX
|
||
|
||
MixSamples2:
|
||
Test Byte Ptr [SI], 1
|
||
JZ MixSamplesEnd2
|
||
Cmp Byte Ptr [SI+36h], 100
|
||
JE MixSamplesEnd2
|
||
|
||
Push CX
|
||
Mov CX, [SI]
|
||
|
||
Test CH, 2
|
||
JZ MixSamples3
|
||
And Byte Ptr [SI], Not 1
|
||
|
||
Jmp MixSamplesEnd
|
||
; Cmp MixMode, 8 ; Is it volume ramping?
|
||
; JB MixSamplesEnd
|
||
|
||
MixSamples3:
|
||
Test CL, 20h ; New freq?
|
||
JZ MixSamples5
|
||
|
||
Mov AX, [SI+10h]
|
||
Mov DX, [SI+12h]
|
||
Mov BX, MixSpeed
|
||
Cmp DX, BX
|
||
JAE MixSamplesHandleError
|
||
|
||
Div BX
|
||
ShL EAX, 16
|
||
Xor AX, AX
|
||
Div BX
|
||
Mov STEPVALUE, EAX
|
||
|
||
MixSamples4:
|
||
Test CH, 1
|
||
JZ MixSamples5
|
||
|
||
Mov DWord Ptr [SI+1Ch], 0 ; Current Volume = 0
|
||
; for volume sliding.
|
||
MixSamples5:
|
||
Test CX, 8440h ; New volume or panning?
|
||
JZ MixSamplesMix
|
||
|
||
Xor AX, AX
|
||
Test CH, 8 ; Muted?
|
||
JNZ MixModeCommon
|
||
|
||
Mov BX, MixMode
|
||
Add BL, Stereo
|
||
Add BX, BX
|
||
Jmp [CS:MixModeTable+BX]
|
||
|
||
Mix0Mode: ; 16-bit mixing, no interpolation
|
||
Mix0ModeMono: ; and 16-bit mixing, interpolation
|
||
Mov AL, [SI+20h]
|
||
ShR AL, 1
|
||
Mov [SI+0Ch], AX
|
||
Mov [SI+0Eh], AX
|
||
Mov AX, 0
|
||
JZ MixModeCommon
|
||
Mov AL, 30 ; Use left only-mixing for mono
|
||
Jmp MixModeCommon
|
||
|
||
Mix0ModeStereo:
|
||
Mov AL, [SI+37h] ; Final pan
|
||
Cmp AL, 100
|
||
JE Mix0ModeSurround
|
||
|
||
Mul Byte Ptr [SI+20h] ; Final volume
|
||
Add AX, 64
|
||
ShR AX, 7
|
||
Mov [SI+0Ch], AX ; Store into right volume
|
||
|
||
Mov AL, 64
|
||
Sub AL, [SI+37h]
|
||
Mul Byte Ptr [SI+20h]
|
||
Add AX, 64
|
||
ShR AX, 7
|
||
Mov [SI+0Eh], AX ; Left volume
|
||
|
||
Mov CH, AL ; CH = left volume
|
||
Mov CL, [SI+0Ch] ; CL = right volume
|
||
Mov AX, 0
|
||
|
||
Test CX, CX
|
||
JZ MixModeCommon
|
||
|
||
Mov AL, 30 ; Left only...
|
||
Test CL, CL
|
||
JZ MixModeCommon
|
||
|
||
Mov AL, 60
|
||
Test CH, CH
|
||
JZ MixModeCommon
|
||
|
||
Mov AL, 90
|
||
Cmp CL, CH
|
||
JZ MixModeCommon
|
||
|
||
Mov AL, 120
|
||
Jmp MixModeCommon
|
||
|
||
Mix0ModeSurround:
|
||
Mov AL, [SI+20h]
|
||
ShR AL, 2
|
||
Mov [SI+0Ch], AX
|
||
Mov [SI+0Eh], AX
|
||
Mov AX, 0
|
||
JZ MixModeCommon
|
||
Mov AL, 150 ; Surround
|
||
Jmp MixModeCommon
|
||
|
||
Mix6ModeMono:
|
||
Mov AX, [SI+4Ah]
|
||
Mul MixVolume
|
||
ShRD AX, DX, 8
|
||
Mov [SI+0Ch], AX
|
||
Mov [SI+0Eh], AX
|
||
Test AX, AX
|
||
JZ MixModeCommon
|
||
Mov AX, 30
|
||
Jmp MixModeCommon
|
||
|
||
Mix6ModeStereo:
|
||
Mov AL, [SI+37h] ; Final pan
|
||
Cmp AL, 100
|
||
JE Mix6ModeSurround
|
||
|
||
Mul Byte Ptr MixVolume
|
||
Mul Word Ptr [SI+4Ah]
|
||
ShRD AX, DX, 14
|
||
Mov [SI+0Ch], AX ; Store into right volume
|
||
Mov BX, AX
|
||
ShL EAX, 16
|
||
|
||
Mov AL, 64 ; Do left volume
|
||
Sub AL, [SI+37h] ; AL = 64-FinalPan
|
||
Mul Byte Ptr MixVolume
|
||
Mul Word Ptr [SI+4Ah]
|
||
ShRD AX, DX, 14
|
||
Mov [SI+0Eh], AX
|
||
|
||
Mov ECX, EAX
|
||
|
||
; BX = right volume
|
||
; CX = Left volume
|
||
Mov AX, 0
|
||
Test ECX, ECX
|
||
JZ MixModeCommon
|
||
|
||
Mov AL, 30
|
||
Test BX, BX
|
||
JZ MixModeCommon
|
||
|
||
Mov AL, 60
|
||
Test CX, CX
|
||
JZ MixModeCommon
|
||
|
||
Mov AL, 90
|
||
Cmp CX, BX
|
||
JE MixModeCommon
|
||
|
||
Mov AL, 120
|
||
Jmp MixModeCommon
|
||
|
||
Mix6ModeSurround:
|
||
Mov AX, [SI+4Ah]
|
||
Mul MixVolume
|
||
ShRD AX, DX, 9
|
||
Mov [SI+0Ch], AX
|
||
Mov [SI+0Eh], AX
|
||
JZ MixModeCommon
|
||
Mov AX, 150
|
||
Jmp MixModeCommon
|
||
|
||
MixModeCommon: ; Requires AX = 30/60/90 etc. depending
|
||
; On mixing mode type.
|
||
; This will add 180 for 16-bit,
|
||
; And sort out loop types.
|
||
Mov BL, [SI+0Ah]
|
||
Test Byte Ptr [SI+18h], 2 ; 16 bit?
|
||
JZ MixModeCommon1
|
||
|
||
Add AX, 180
|
||
|
||
MixModeCommon1:
|
||
Cmp BL, 8
|
||
JB MixModeCommon3 ; No loop
|
||
JE MixModeCommon2 ; Forwards loop
|
||
|
||
Add AX, 10
|
||
|
||
MixModeCommon2:
|
||
Add AX, 10
|
||
|
||
MixModeCommon3:
|
||
Add AX, Offset MixFunctionTables
|
||
Add AX, MixModeOffset
|
||
Mov [SI+8], AX ; Offset...
|
||
|
||
MixSamplesMix:
|
||
Mov BX, [SI+8] ; BX = offset into
|
||
Mov EAX, [CS:BX+2]
|
||
Mov DWord Ptr PreMixFunction, EAX
|
||
Mov EAX, [CS:BX+6]
|
||
Mov DWord Ptr MixFunctionSeparateBackwards, EAX
|
||
|
||
Mov AX, BytesToMix
|
||
Mov MixBlockSize, AX
|
||
Mov MixBufferOffset, MIXTABLESIZE
|
||
|
||
Mov EAX, CURRENTPOSITION
|
||
Mov OLDPOSITION, EAX
|
||
|
||
Call Word Ptr [CS:BX]
|
||
|
||
And Word Ptr [SI], 0111100010001101b
|
||
Jmp MixSamplesEnd
|
||
|
||
MixSamplesHandleError:
|
||
Mov Word Ptr [SI], 200h
|
||
|
||
Test Byte Ptr [SI+3Ah], 80h
|
||
JNZ MixSamplesEnd
|
||
|
||
Mov BX, [SI+38h]
|
||
And Byte Ptr [BX], Not 4 ; Turn off channel
|
||
|
||
MixSamplesEnd:
|
||
Pop CX
|
||
|
||
MixSamplesEnd2:
|
||
Add SI, 128
|
||
Dec CX
|
||
JNZ MixSamples2
|
||
|
||
Ret
|
||
|
||
EndP MixSamples
|
||
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc 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
|
||
|
||
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]
|
||
Add DL, 0Eh
|
||
In AL, DX
|
||
|
||
Mov AX, MixBufferPos
|
||
Mov BX, AX
|
||
Mul DMASize
|
||
Cmp AX, DMABUFFERLENGTH
|
||
JB ESSIRQHandler2
|
||
|
||
Xor AX, AX
|
||
Xor BX, BX
|
||
|
||
ESSIRQHandler2:
|
||
Inc BX
|
||
Mov MixBufferPos, BX
|
||
|
||
CLD
|
||
|
||
|
||
; OK... time to get next block
|
||
; Check whether stereo thing is on..
|
||
;
|
||
LES DI, [ActualDMAPtr]
|
||
Add DI, AX
|
||
|
||
Mov BX, DMASize ; BX = bytes required
|
||
ShR BX, 1
|
||
; BX = samples required
|
||
Mov BP, 8 ; Skip for mono
|
||
Mov CL, 14 ; Shift for mono
|
||
|
||
Cmp Stereo, 0
|
||
JE ESSIRQHandlerMono
|
||
|
||
Mov BP, 4 ; Stereo skip value.
|
||
Dec CL
|
||
|
||
ESSIRQHandlerMono:
|
||
Call SaveEMSPageFrame
|
||
|
||
Cmp MixTransferRemaining, 0
|
||
JNE ESSIRQHandler4
|
||
Assume DS:Nothing
|
||
|
||
ESSIRQHandler3:
|
||
Push BX
|
||
Push CX
|
||
Push BP
|
||
Push ES
|
||
Push DI
|
||
|
||
Call Update
|
||
Call MixSamples
|
||
|
||
Pop DI
|
||
Pop ES
|
||
Pop BP
|
||
Pop CX
|
||
Pop BX
|
||
|
||
ESSIRQHandler4:
|
||
Mov DS, MixSegment
|
||
Mov SI, MixTransferOffset
|
||
Mov DX, BX ; DX = samples to transfer
|
||
Cmp DX, MixTransferRemaining
|
||
JBE ESSIRQHandler5
|
||
|
||
Mov DX, MixTransferRemaining
|
||
|
||
ESSIRQHandler5:
|
||
Push DX
|
||
Cmp CS:Filter, 1
|
||
JB ESSIRQHandler6
|
||
JE ESSIRQHFilter
|
||
|
||
Cmp CS:Stereo, 0
|
||
JE ESSIRQ3QFilterMono
|
||
|
||
ESSIRQ3QFilterStereo:
|
||
Push BX
|
||
|
||
Mov EBX, FilterValue
|
||
Mov EBP, FilterValue2
|
||
ShR DX, 1
|
||
|
||
ESSIRQ3QFilterStereo1:
|
||
Mov EAX, EBX
|
||
Mov ECX, EBP
|
||
Add EAX, [SI]
|
||
Add ECX, [SI+4]
|
||
SAR EAX, 1
|
||
SAR ECX, 1
|
||
Add EBX, EAX
|
||
Add EBP, ECX
|
||
SAR EBX, 1
|
||
SAR EBP, 1
|
||
|
||
Mov EAX, EBX
|
||
SAR EAX, 13
|
||
|
||
Cmp EAX, -8000h
|
||
JL WSS3QFilterStereoClip1
|
||
Cmp EAX, 7FFFh
|
||
JG WSS3QFilterStereoClip2
|
||
|
||
ESSIRQ3QFilterStereo2:
|
||
StosW
|
||
|
||
Mov EAX, EBP
|
||
SAR EAX, 13
|
||
|
||
Cmp EAX, -8000h
|
||
JL WSS3QFilterStereoClip3
|
||
Cmp EAX, 7FFFh
|
||
JG WSS3QFilterStereoClip4
|
||
|
||
ESSIRQ3QFilterStereo3:
|
||
StosW
|
||
|
||
Add SI, 8
|
||
Dec DX
|
||
JNZ ESSIRQ3QFilterStereo1
|
||
|
||
Mov FilterValue, EBX
|
||
Mov FilterValue2, EBP
|
||
|
||
Pop BX
|
||
|
||
Jmp WSSMixTransferEnd
|
||
|
||
ESSIRQ3QFilterMono:
|
||
Push BX
|
||
|
||
Mov EBX, FilterValue
|
||
|
||
ESSIRQ3QFilterMono1:
|
||
Mov EAX, EBX
|
||
Add EAX, [SI]
|
||
SAR EAX, 1
|
||
Add EBX, EAX
|
||
SAR EBX, 1
|
||
Mov EAX, EBX
|
||
SAR EAX, 14
|
||
|
||
Cmp EAX, -8000h
|
||
JL WSS3QFilterMonoClip1
|
||
Cmp EAX, 7FFFh
|
||
JG WSS3QFilterMonoClip2
|
||
|
||
ESSIRQ3QFilterMono2:
|
||
StosW
|
||
|
||
Add SI, 8
|
||
Dec DX
|
||
JNZ ESSIRQ3QFilterMono1
|
||
|
||
Mov FilterValue, EBX
|
||
|
||
Pop BX
|
||
|
||
Jmp WSSMixTransferEnd
|
||
|
||
ESSIRQHFilter:
|
||
Cmp CS:Stereo, 0
|
||
JE ESSIRQHFilterMono
|
||
|
||
ESSIRQHFilterStereo:
|
||
Push BX
|
||
|
||
Mov EBX, FilterValue
|
||
Mov EBP, FilterValue2
|
||
ShR DX, 1
|
||
|
||
ESSIRQHFilterStereo1:
|
||
Add EBX, [SI]
|
||
Add EBP, [SI+4]
|
||
|
||
SAR EBX, 1
|
||
SAR EBP, 1
|
||
|
||
Mov EAX, EBX
|
||
SAR EAX, 13
|
||
|
||
Cmp EAX, -8000h
|
||
JL WSSHFilterStereoClip1
|
||
Cmp EAX, 7FFFh
|
||
JG WSSHFilterStereoClip2
|
||
|
||
ESSIRQHFilterStereo2:
|
||
StosW
|
||
|
||
Mov EAX, EBP
|
||
SAR EAX, 13
|
||
|
||
Cmp EAX, -8000h
|
||
JL WSSHFilterStereoClip3
|
||
Cmp EAX, 7FFFh
|
||
JG WSSHFilterStereoClip4
|
||
|
||
ESSIRQHFilterStereo3:
|
||
StosW
|
||
|
||
Add SI, 8
|
||
Dec DX
|
||
JNZ ESSIRQHFilterStereo1
|
||
|
||
Mov FilterValue, EBX
|
||
Mov FilterValue2, EBP
|
||
|
||
Pop BX
|
||
|
||
Jmp WSSMixTransferEnd
|
||
|
||
ESSIRQHFilterMono:
|
||
Push BX
|
||
|
||
Mov EBX, FilterValue
|
||
|
||
ESSIRQHFilterMono1:
|
||
Add EBX, [SI]
|
||
SAR EBX, 1
|
||
Mov EAX, EBX
|
||
SAR EAX, 14
|
||
|
||
Cmp EAX, -8000h
|
||
JL WSSHFilterMonoClip1
|
||
Cmp EAX, 7FFFh
|
||
JG WSSHFilterMonoClip2
|
||
|
||
ESSIRQHFilterMono2:
|
||
StosW
|
||
|
||
Add SI, 8
|
||
Dec DX
|
||
JNZ ESSIRQHFilterMono1
|
||
|
||
Mov FilterValue, EBX
|
||
|
||
Pop BX
|
||
|
||
Jmp WSSMixTransferEnd
|
||
|
||
ESSIRQHandler6:
|
||
Mov EAX, [SI]
|
||
SAR EAX, CL
|
||
|
||
Cmp EAX, -8000h
|
||
JL ESSIRQHandlerClip1
|
||
Cmp EAX, 7FFFh
|
||
JG ESSIRQHandlerClip2
|
||
|
||
ESSIRQHandler7:
|
||
StosW ; } Memory write
|
||
|
||
Add SI, BP
|
||
Dec DX
|
||
JNZ ESSIRQHandler6
|
||
|
||
WSSMixTransferEnd:
|
||
Pop DX
|
||
|
||
Sub MixTransferRemaining, DX ; } Memory write
|
||
Sub BX, DX
|
||
JNZ ESSIRQHandler3
|
||
|
||
Mov MixTransferOffset, SI ; } Memory write
|
||
|
||
Call RestoreEMSPageFrame
|
||
|
||
ESSIRQEnd:
|
||
Mov AL, 20h
|
||
Cmp IRQ, 8
|
||
JB WSSAckIRQ1
|
||
|
||
Out 0A0h, AL
|
||
|
||
WSSAckIRQ1:
|
||
Out 20h, AL
|
||
|
||
Pop ES
|
||
Pop DS
|
||
PopAD
|
||
IRet
|
||
|
||
ESSIRQHandlerClip1:
|
||
Mov AX, 8000h
|
||
Jmp ESSIRQHandler7
|
||
|
||
ESSIRQHandlerClip2:
|
||
Mov AX, 7FFFh
|
||
Jmp ESSIRQHandler7
|
||
|
||
WSSHFilterMonoClip1:
|
||
Mov AX, 8000h
|
||
Jmp ESSIRQHFilterMono2
|
||
|
||
WSSHFilterMonoClip2:
|
||
Mov AX, 7FFFh
|
||
Jmp ESSIRQHFilterMono2
|
||
|
||
WSSHFilterStereoClip1:
|
||
Mov AX, 8000h
|
||
Jmp ESSIRQHFilterStereo2
|
||
|
||
WSSHFilterStereoClip2:
|
||
Mov AX, 7FFFh
|
||
Jmp ESSIRQHFilterStereo2
|
||
|
||
WSSHFilterStereoClip3:
|
||
Mov AX, 8000h
|
||
Jmp ESSIRQHFilterStereo3
|
||
|
||
WSSHFilterStereoClip4:
|
||
Mov AX, 7FFFh
|
||
Jmp ESSIRQHFilterStereo3
|
||
|
||
WSS3QFilterMonoClip1:
|
||
Mov AX, 8000h
|
||
Jmp ESSIRQ3QFilterMono2
|
||
|
||
WSS3QFilterMonoClip2:
|
||
Mov AX, 7FFFh
|
||
Jmp ESSIRQ3QFilterMono2
|
||
|
||
WSS3QFilterStereoClip1:
|
||
Mov AX, 8000h
|
||
Jmp ESSIRQ3QFilterStereo2
|
||
|
||
WSS3QFilterStereoClip2:
|
||
Mov AX, 7FFFh
|
||
Jmp ESSIRQ3QFilterStereo2
|
||
|
||
WSS3QFilterStereoClip3:
|
||
Mov AX, 8000h
|
||
Jmp ESSIRQ3QFilterStereo3
|
||
|
||
WSS3QFilterStereoClip4:
|
||
Mov AX, 7FFFh
|
||
Jmp ESSIRQ3QFilterStereo3
|
||
|
||
EndP ESSIRQHandler
|
||
Assume DS:Nothing
|
||
|
||
;<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
|
||
|
||
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, DMASegment
|
||
Xor AX, AX
|
||
Mov DX, DMA
|
||
Mov DI, DMABUFFERLENGTH
|
||
Call SetDMA
|
||
|
||
LES DI, ActualDMAPtr
|
||
Xor AX, AX
|
||
Mov CX, DMABUFFERLENGTH/2
|
||
Rep StosW
|
||
|
||
Mov MixBufferPos, 0
|
||
Mov MixTransferRemaining, 0
|
||
|
||
Call ResetDSP
|
||
Mov DX, BasePort
|
||
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 AL, 0B1h
|
||
Call ESSOut
|
||
Mov AL, 50h
|
||
Call ESSOut
|
||
|
||
; DMA configuration
|
||
Mov AL, 0B2h
|
||
Call ESSOut
|
||
Mov 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
|
||
|
||
; 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, 2080
|
||
|
||
Mov BX, (DMABUFFERLENGTH*2)/16
|
||
Add BX, DX
|
||
|
||
; Allocate MixSegment first
|
||
Mov AH, 48h
|
||
|
||
Int 21h
|
||
JNC InitSound1
|
||
|
||
InitSoundNoMemory:
|
||
Mov SI, Offset ESSNoMemoryMsg
|
||
Ret
|
||
|
||
InitSound1:
|
||
Mov MixSegment, AX
|
||
Add AX, DX
|
||
Mov DMASegment, AX
|
||
|
||
Call SetIRQ
|
||
Call GetTempo
|
||
Call SetTempo
|
||
|
||
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
|
||
|
||
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
|
||
|
||
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
|
||
|
||
PushA
|
||
Push DS
|
||
|
||
Mov BX, AX ; BX = MixVolume
|
||
Mov CS:MixVolume, BX
|
||
|
||
Mov AX, CS:MixSegment
|
||
Test AX, AX
|
||
JZ SetMixVolume2
|
||
|
||
Mov DS, AX
|
||
|
||
Mov CX, MIXTABLESIZE/2
|
||
Mov SI, MIXTABLESIZE-2; Starting point - working backwards
|
||
|
||
SetMixVolume1:
|
||
Mov AX, CX
|
||
|
||
Dec AX ; AH = volume, AL = wave value.
|
||
Xor DX, DX
|
||
XChg AH, DL ; DL = Volume, AX = wave value
|
||
CBW
|
||
|
||
IMul DX ; DX:AX = Volume * Wave Value
|
||
; Ranges -8192->8128
|
||
|
||
IMul BX ; DX:AX = Volume * Wave Value * Mixing Volume
|
||
; Ranges -1048576->1040384
|
||
|
||
Add AX, 64
|
||
AdC DX, 0
|
||
|
||
ShRD AX, DX, 7
|
||
Mov [SI], AX
|
||
Sub SI, 2
|
||
|
||
Loop SetMixVolume1
|
||
|
||
SetMixVolume2:
|
||
Mov DS, Word Ptr [CS:RecalculateAllVolumes+2]
|
||
Call CS:RecalculateAllVolumes
|
||
|
||
Pop DS
|
||
PopA
|
||
|
||
Ret
|
||
|
||
EndP SetMixVolume
|
||
|
||
;<3B><> SetStereo <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
;
|
||
; Parameters: AL = Stereo on/off, 0 = off.
|
||
;
|
||
;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
|
||
Proc SetStereo Far
|
||
|
||
Mov CS:Stereo, AL
|
||
Cmp CS:MixSegment, 0
|
||
JE SetStereo1
|
||
|
||
Call 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>
|
||
|
||
EndDriver:
|
||
|
||
;******** Provided Variable Table *************
|
||
|
||
MaxNumberOfChannels DW 0FFFFh ; Maximum number of channels the
|
||
; driver can handle.
|
||
|
||
StopAfterPlay DW 0
|
||
DefaultChannels DW 64
|
||
DW 5 Dup (0)
|
||
|
||
|
||
;******** Provided Procedure Table *************
|
||
|
||
ProvidedTableStart:
|
||
|
||
DW Offset DetectCard
|
||
|
||
DW Offset InitSound ; Playing related
|
||
DW Offset ReinitSound
|
||
DW Offset UninitSound
|
||
|
||
DW Offset Poll
|
||
|
||
DW Offset SetTempo ; Sound variable related
|
||
DW Offset SetMixVolume
|
||
DW Offset SetStereo
|
||
|
||
DW Offset LoadSample ; Sample related
|
||
DW Offset ReleaseSample
|
||
DW Offset ResetMemory
|
||
DW Offset GetStatus ; Returns string to show on status line
|
||
|
||
DW Offset SoundCardScreen ; Sound card 'screen'
|
||
|
||
DW Offset GetVariable ; For interface
|
||
DW Offset SetVariable
|
||
|
||
ProvidedTableEnd:
|
||
DW 32-(ProvidedTableEnd-ProvidedTableStart)/2 Dup (0)
|
||
|
||
EndS
|
||
|
||
End
|