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impulsetracker/it_m_eff.inc

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initial work on port updated readme, new "build system," fixed some errors
2023-03-09 21:35:56 -08:00
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SlideTable DB 1, 4, 8, 16, 32, 64, 96, 128, 255
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Comment ~
Proc GetC5Speed
Push BX
Push SI
Push BP
Cmp Byte Ptr [DI+0Fh], 101 ; MIDI sample
JNE GetC5Speed1
; OK.. we have a MIDI sample
; Check whether the midi sample points to a valid sample
; And if so, use that sample's C5 speed.
Mov SI, [DS:DI+3] ; Not a note?
And SI, 0FFh
Mov BP, [DS:DI+4]
And EBP, 0FFh
JZ GetC5Speed1 ; No sample?
Add SI, SI
Mov BP, [ES:64710+EBP+EBP]
Mov AX, [ES:BP+SI+40h] ; AL = note
; AH = sample.
Test AH, AH ; No sample?
JZ GetC5Speed1
Mov SI, AX
ShR SI, 8
Add SI, SI
Mov SI, [ES:64910+SI] ; Sample offset
Test Byte Ptr [ES:SI+12h], 1
JZ GetC5Speed1
Mov BX, SI
GetC5Speed1:
Mov EAX, [ES:BX+3Ch] ; EAX = C5Spd
Pop BP
Pop SI
Pop BX
Ret
EndP GetC5Speed
~
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Proc InitVolumeEffect ; Done A, B, H
Test Byte Ptr [DI+2], 44h
JNZ InitVolumeProcess
InitVolumeEffectNoEffect:
Ret
InitVolumeProcess:
Mov AL, [DI+5]
Mov AH, AL
And AL, 7Fh
Sub AL, 65
JC InitVolumeEffectNoEffect
Test AH, 80h
JZ InitVolumeEffect1
Add AL, 60
InitVolumeEffect1:
Mov DL, 10
Xor AH, AH
Div DL ; AL = effect number
; AH = effect parameter
Mov [DI+0Ah], AL ; Store effect number
; Memory for effects A->D, (EFG)/H dont' share.
; Effects Ax and Bx (fine volume slide up and down) require immediate
; handling. No flags required. (effect 0 and 1)
; Effects Cx, Dx, Ex, Fx (volume/pitch slides) require flag to be
; set (effects 2->5)
; Effects Gx and Hx need init (handling) code + flags.
; (effects 6 and 7).
Test AH, AH
JZ InitVolumeEffectNoMemory
Cmp AL, 4
JB InitNormalMemory
Cmp AL, 6
JB InitSlideMemory
JA InitVolumeEffectNoMemory
MovZX BX, AH
Mov DL, [SlideTable+BX-1]
Test Byte Ptr [ES:2Ch], 20h ; Link command G?
JZ CommandGMemoryOldEffects
Mov [DI+1Eh], DL
Jmp InitVolumeEffectNoMemory
CommandGMemoryOldEffects:
Mov [DI+11h], DL
Jmp InitVolumeEffectNoMemory
InitSlideMemory:
ShL AH, 2
Mov [DI+11h], AH
Jmp InitVolumeEffectNoMemory
InitNormalMemory:
Mov [DI+0Bh], AH
InitVolumeEffectNoMemory:
Test Byte Ptr [DI], 4 ; Channel not on!
JZ InitVolumeEffect3
Mov SI, [DI+24h]
Cmp AL, 1
JA InitVolumeEffect2
Mov AL, [DI+0Bh]
JE InitVolumeEffectB
InitVolumeEffectA: ; Fine volume slide up.
Add AL, [SI+22h]
Cmp AL, 64
JBE InitVolumeEffectABEnd
Mov AL, 64
Jmp InitVolumeEffectABEnd
InitVolumeEffectB: ; Fine volume slide down
Sub AL, [SI+22h]
Neg AL
JNS InitVolumeEffectABEnd
Xor AL, AL
InitVolumeEffectABEnd:
Jmp CommandD2
InitVolumeEffect2:
Or Word Ptr [DI], 100h
Cmp AL, 6
JA InitVolumeEffectH
JE InitVolumeEffectG
InitVolumeEffectCDEF:
InitVolumeEffectEnd:
Ret
InitVolumeEffect3:
Cmp AL, 7 ; Vibrato?
JNE InitVolumeEffectCDEF
InitVolumeEffectH:
ShL AH, 2
JZ InitVolumeEffectH1
Mov [DI+3Ah], AH
InitVolumeEffectH1:
Test Byte Ptr [DI], 4
JZ InitVolumeEffectCDEF
Jmp InitVibrato
InitVolumeEffectG:
Jmp InitCommandG11
EndP InitVolumeEffect
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Proc VolumeCommandC
Mov SI, [DI+24h]
Mov AL, [DI+0Bh]
Add AL, [SI+22h]
Cmp AL, 64
JBE VolumeCommandC1
And Word Ptr [DI], Not 100h ; Turn off effect calling
Mov AL, 64
VolumeCommandC1:
Jmp CommandD2
EndP VolumeCommandC
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Proc VolumeCommandD
Mov SI, [DI+24h]
Mov AL, [SI+22h]
Sub AL, [DI+0Bh]
JNC VolumeCommandD1
And Word Ptr [DI], Not 100h ; Turn off effect calling
Xor AL, AL
VolumeCommandD1:
Jmp CommandD2
EndP VolumeCommandD
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Proc VolumeCommandE ; Pitch slide down
Mov BX, [DI+11h]
And BX, 0FFh
ShL BX, 2
Jmp CommandEChain
Ret
EndP VolumeCommandE
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Proc VolumeCommandF
Mov BX, [DI+11h]
And BX, 0FFh
ShL BX, 2
Jmp CommandFChain
EndP VolumeCommandF
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Proc VolumeCommandG
Test Byte Ptr [DI], 16
JZ VolumeCommandGEnd
Mov BX, [DI+11h]
Test Byte Ptr [ES:2Ch], 20h ; Command G linked?
JZ VolumeCommandGMemoryOldEffects
Mov BX, [DI+1Eh]
VolumeCommandGMemoryOldEffects:
And BX, 0FFh
JZ VolumeCommandGEnd
ShL BX, 2
Mov SI, [DI+24h]
Cmp Byte Ptr [DI+42h], 1
JE VolumeCommandG1
; Slide down
Call PitchSlideDown
; Check that frequency is above porta
; to frequency.
Mov EAX, [SI+10h]
Cmp EAX, [DI+34h]
JA VolumeCommandG6
VolumeCommandG4:
Mov EAX, [DI+34h]
And Word Ptr [DI], Not (110h) ; Turn off calling
VolumeCommandG3:
Mov [SI+10h], EAX
VolumeCommandG6:
Mov [SI+14h], EAX
VolumeCommandGEnd:
Ret
VolumeCommandG1: ; Slide up!
Call PitchSlideUp
; Check that
; 1) Channel is on
; 2) Frequency (set) is below porta to
; frequency
Mov EAX, [SI+10h]
Test Word Ptr [SI], 200h
JNZ VolumeCommandG5
Cmp EAX, [DI+34h]
JB VolumeCommandG6
VolumeCommandG5:
And Word Ptr [SI], Not 200h
Or Byte Ptr [DI], 4 ; Turn on.
Jmp VolumeCommandG4
EndP VolumeCommandG
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InitNoCommand4:
Test CH, 4
JZ InitNoCommand10 ; Taken if the channel's off.
Mov SI, [DI+24h]
Cmp AL, 0FEh
JA InitNoCommand5 ; Noteoff
JNE InitNoCommandNoteFade
And CH, Not 4
Cmp Byte Ptr [SI+36h], 100
JE MIDINoteCut
Test Byte Ptr CS:DriverFlags, 2
JNZ MIDINoteCut
Mov Word Ptr [SI], 200h
Jmp NoOldEffect
MIDINoteCut:
; And CH, Not 4
Or Word Ptr [SI], 200h
InitNoCommand10: ; Jump point.
Jmp NoOldEffect ; InitNoCommand1
InitNoCommandNoteFade:
Or Byte Ptr [SI], 8 ; Note fade
Jmp NoOldEffect ; InitNoCommand1
InitNoCommand5:
Or Byte Ptr [SI], 4 ; Note off
; Cmp Byte Ptr [SI+22h], 0 ; Volume = 0???
; JE InitNoCommand13
Jmp InitNoCommand11
Proc InitNoCommand ; DS:DI points to CIT area.
Assume DS:Music
Mov CL, [DI+2] ; CL = mask
Mov CH, [DI] ; CH = channel info.
Test CL, 33h
JZ NoOldEffect ; InitCommand1
; Note here!
; Check for noteoff.
Mov AL, [DI+0Eh]
Cmp AL, 120
JAE InitNoCommand4
Test CH, 4
JZ InitNoCommand9
Mov SI, [DI+24h]
Test CL, 11h
JNZ InitNoCommand9
Mov BX, [SI+32h]
Cmp BX, [DI+03h]
JE NoOldEffect ; InitNoCommand1
InitNoCommand9:
Test CL, 44h
JZ NoVolumePorta
Cmp Byte Ptr [DI+5], 193
JB NoVolumePorta
Cmp Byte Ptr [DI+5], 202
JA NoVolumePorta
Test Byte Ptr [DI], 4
JNZ InitVolumeEffect
NoVolumePorta:
Call AllocateChannel
; JC InitNoCommand1
JC NoOldEffect
; Channel allocated.
; put volume
Mov BX, [SI+34h] ; Sample offset.
Mov AL, [DI+22h]
Mov AH, AL
Mov [SI+21h], AX ; Volset
Test Byte Ptr [ES:2Ch], 4 ; Instrument mode?
JNZ InitNoCommandNoDefaultPan
Mov AL, [ES:BX+2Fh]
Test AL, AL
JNS InitNoCommandNoDefaultPan
Mov AH, AL
And AX, 7F7Fh
Mov [DI+2Eh], AL
Mov [SI+2Ah], AX
InitNoCommandNoDefaultPan:
Mov EAX, [ES:BX+3Ch] ; EAX = C5Spd
; Call GetC5Speed
Xor EBX, EBX
Mov [SI+2Ch], EBX
Mov [SI+48h], BX
Mov [SI+4Ch], EBX
; Calculate frequency.
Mov BL, [DI+0Eh] ; BL = note.
Mul [PitchTable+4*EBX]
SHRD EAX, EDX, 16
Mov [SI+10h], EAX
Mov [SI+14h], EAX
Or CH, 4
And CH, Not 16
InitNoCommand11:
Push CX
Call GetLoopInformation
Pop CX
InitNoCommand1:
Test CL, 22h+44h
JZ InitNoCommand3
Mov AH, [ES:2Ch] ; Instrument mode and old effects?
And AH, 14h
Cmp AH, 14h
JNE NoOldEffect
; Test AH, 4
; JZ NoOldEffect
Test CL, 22h
JZ NoOldEffect
MovZX EBX, Byte Ptr [DI+4]
Cmp BL, 0FFh
JE NoOldEffect
Mov Word Ptr [SI+26h], 0400h
Mov BX, [ES:EBX*2+64710] ; Instrument offset.
Call InitPlayInstrument
NoOldEffect:
Test CL, 44h
JZ InitNoCommand7
Mov AL, [DI+5]
Cmp AL, 64
JBE InitNoCommand8 ; Volume set...
Mov AH, AL
And AH, 7Fh
Sub AH, 65
JNC InitNoCommand7
InitNoCommandPanning: ; Panning set!
Mov [DI], CH
Sub AL, 128
Call InitCommandX2 ; Destroys (SI), AX
InitNoCommand7:
Test CL, 22h ; Instrument present? ->
; Change volume
JZ InitNoCommand3
Mov BL, [DI+0Fh] ; Get instrument offset.
And BX, 0FFh
JZ InitNoCommand3
Add BX, BX
Mov BX, [ES:64910+BX]
Mov AL, [ES:BX+13h] ; Default volume
InitNoCommand8:
Mov [DI+22h], AL
Test CH, 4
JZ InitNoCommand3
Mov SI, [DI+24h]
Mov AH, AL
Mov [SI+21h], AX
Or Byte Ptr [SI], 10h ; recalc volume
InitNoCommand3: ; Randomise volume if required.
Test Byte Ptr [DI], 80h
Mov [DI], CH
JZ InitNoCommandEnd
Push CX
Call ApplyRandomValues
Pop CX
InitNoCommandEnd:
Jmp InitVolumeEffect
EndP InitNoCommand
Assume DS:Nothing
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Proc InitCommandA
Assume DS:Music
Mov AL, [DS:DI+7]
And AX, 0FFh
JZ InitCommandA_1
Mov CX, CurrentSpeed
Sub CurrentTick, CX
Sub ProcessTick, CX
Add CurrentTick, AX
Add ProcessTick, AX
Mov CurrentSpeed, AX
InitCommandA_1:
Jmp InitNoCommand
EndP InitCommandA
Assume DS:Nothing
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Proc InitCommandB
Assume DS:Music
MovZX AX, Byte Ptr [DI+7]
Cmp AX, CurrentOrder
JA InitCommandB1
Mov StopSong, 1
InitCommandB1:
Dec AX
Mov ProcessOrder, AX
Mov ProcessRow, 0FFFEh
Jmp InitNoCommand
EndP InitCommandB
Assume DS:Nothing
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Proc InitCommandC
Assume DS:Music
Cmp PatternLooping, 0
JNE InitCommandC1
MovZX AX, Byte Ptr [DS:DI+7]
Mov BreakRow, AX
Mov ProcessRow, 0FFFEh
InitCommandC1:
Jmp InitNoCommand
EndP InitCommandC
Assume DS:Nothing
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Proc InitCommandD
Assume DS:Music
Call InitNoCommand
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandD1
Mov [DI+10h], AL
InitCommandD1:
Test Byte Ptr [DI], 4
JZ InitCommandD6
Mov SI, [DI+24h]
InitCommandD7: ; Jmp point for Lxx
Mov AL, [DI+10h]
Or Byte Ptr [SI], 16 ; Recalc vol
Mov AH, AL
Test AH, 0Fh
JZ InitCommandD2
Test AH, 0F0h
JZ InitCommandD3
And AX, 0FF0h
Cmp AH, 0Fh
JE InitCommandD5
Cmp AL, 0F0h
JE InitCommandD4
InitCommandD6:
Ret
InitCommandD2: ; Slide up.
ShR AL, 4
Mov [DI+30h], AL
Or Byte Ptr [DI], 1
Cmp AL, 0Fh
JE InitCommandD8
Ret
InitCommandD8:
Jmp CommandD
InitCommandD3: ; Slide down
Neg AL
Mov [DI+30h], AL
Or Byte Ptr [DI], 1
Cmp AL, -15
JE InitCommandD9
Ret
InitCommandD9:
Jmp CommandD
InitCommandD4: ; Slide down (fine)
Mov Byte Ptr [DI+30h], 0
Mov AL, [SI+22h]
Sub AL, AH ; Slide down
JNS InitCommandD4_1
Xor AL, AL
InitCommandD4_1:
Mov AH, AL
Mov [SI+21h], AX
Mov [DI+22h], AL
Ret
InitCommandD5: ; Slide up (fine)
Mov Byte Ptr [DI+30h], 0
ShR AL, 4
Mov AH, [SI+22h]
Add AL, AH
Cmp AL, 64
JBE InitCommandD4_1
Mov AL, 64
Jmp InitCommandD4_1
EndP InitCommandD
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandE
Assume DS:Music
Call InitNoCommand
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandE2
Mov [DI+11h], AL
InitCommandE2:
Test Byte Ptr [DI], 4
JZ InitCommandE1
Mov SI, [DI+24h]
Mov AL, [DI+11h]
Test AL, AL
JZ InitCommandE1 ; still no slide??
Mov AH, AL
And AH, 0F0h
Cmp AH, 0E0h
JB InitCommandE4
And AL, 0Fh
JZ InitCommandE1
Xor BX, BX
Cmp AH, 0E0h
JE InitCommandE5
ShL AL, 2
InitCommandE5:
Mov BL, AL
Call PitchSlideDown
Mov EAX, [SI+10h]
Mov [SI+14h], EAX
Ret
InitCommandE4:
Xor AH, AH
ShL AX, 2
Mov [DI+40h], AX
Or Byte Ptr [DI], 1 ; call update only if necess.
InitCommandE1:
Ret
EndP InitCommandE
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandF
Assume DS:Music
Call InitNoCommand
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandF2
Mov [DI+11h], AL
InitCommandF2:
Test Byte Ptr [DI], 4
JZ InitCommandF1
Mov SI, [DI+24h]
; OK.. now processing is dependent
; upon slide mode.
Mov AL, [DI+11h]
Test AL, AL
JZ InitCommandF1 ; still no slide??
Mov AH, AL
And AH, 0F0h
Cmp AH, 0E0h
JB InitCommandF4
And AL, 0Fh
JZ InitCommandF1
Xor BX, BX
Cmp AH, 0E0h
JE InitCommandF5
ShL AL, 2
InitCommandF5:
Mov BL, AL
Call PitchSlideUp
Mov EAX, [SI+10h] ; Update frequency set field.
Mov [SI+14h], EAX
Ret
InitCommandF4:
Xor AH, AH
ShL AX, 2
Mov [DI+40h], AX
Or Byte Ptr [DI], 1 ; call update only if necess.
InitCommandF1:
Ret
EndP InitCommandF
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
InitCommandG15:
Jmp InitNoCommand
Proc InitCommandG
Assume DS:Music
; Check whether channel on/owned
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandG6
Test Byte Ptr [ES:2Ch], 20h ; Compatibility Gxx?
JZ InitCommandGNotOldEffects1
Mov [DI+1Eh], AL
Jmp InitCommandG6
InitCommandGNotOldEffects1:
Mov [DI+11h], AL
InitCommandG6:
Test Byte Ptr [DI], 4
JZ InitCommandG15
InitcommandG11: ; Jumped to from Lxx
Mov SI, [DI+24h]
Mov CL, [DI+2] ; CL = mask.
Test CL, 22h
JZ InitCommandG17
; Checking for change of
; Sample or instrument.
Mov AL, [DI+0Fh] ; Sample
And EAX, 0FFh
JZ InitCommandG17
Dec AX
Mov DX, [DI+3]
Test Byte Ptr [ES:2Ch], 20h
JNZ InitGXXCompat1
; Don't overwrite note if MIDI!
Cmp Byte Ptr [DI+0Fh], 101
JE InitCommandG13
Cmp [SI+33h], DH ; Ins the same?
Mov [SI+32h], DX ; Nte + Ins.
JNE InitCommandG19
Cmp AL, [SI+36h]
JNE InitCommandG16
InitCommandG17:
Jmp InitCommandG13
InitCommandGNoSample:
Mov Word Ptr [SI], 200h
And Byte Ptr [DI], Not 4
Ret
InitGXXCompat1:
Mov AL, [SI+36h]
Inc AX
Mov [DI+0Fh], AL
Mov BX, [ES:EAX+EAX+64910]
Mov AX, [ES:BX+11h]
Add AL, AL
Mov [SI+24h], AL
Jmp InitCommandG18
InitCommandG19:
Cmp AL, [SI+36h] ; Sample the same?
JE InitCommandG18
InitCommandG16:
Mov BX, [ES:EAX+EAX+64912]
Mov Byte Ptr [SI+1], 1
; Now to update sample info.
Mov [SI+34h], BX ; Offset of sample
Mov [SI+36h], AL ; Sample num.
Xor EAX, EAX
Mov [SI+1Ah], AX ; Reset vibrato..
Mov [SI+0Bh], AL ; Reset loop direction.
Mov [SI+2Ch], EAX
Mov [SI+48h], AX
Mov [SI+4Ch], EAX
Mov AX, [ES:BX+11h]
Add AL, AL
Mov [SI+24h], AL
Test AH, 1
JZ InitCommandGNoSample
And AH, 2 ; 16 bit...
ShR AX, 8
Mov [SI+18h], AX
Call GetLoopInformation
Mov CL, [DI+2]
InitCommandG18:
Test Byte Ptr [ES:2Ch], 4 ; Instrument/sample mode?
JZ InitCommandG14
; Now for instruments
Mov Word Ptr [SI+26h], 0400h
MovZX EBX, Byte Ptr [DI+4]
Mov BX, [ES:EBX*2+64710] ; Instrument offset.
Push Word Ptr [SI]
Call InitPlayInstrument
Pop AX
Test AL, 1
JZ InitCommandGXXCompat3
And Word Ptr [SI], Not 100h
InitCommandGXXCompat3:
Mov AL, [ES:BX+18h]
Mul Byte Ptr [SI+24h]
ShR AX, 7
Mov [SI+24h], AL
Jmp InitCommandG14
InitCommandG13:
Test CL, 11h
JZ InitCommandG1
; OK. Time to calc freq.
InitCommandG14:
Mov AL, [DI+0Eh]
Cmp AL, 119
JBE InitCommandG5
InitCommandG12:
Test Byte Ptr [DI], 4
JZ InitCommandG1
Cmp AL, 0FEh
JA InitCommandGNoteOff
JNE InitCommandGNoteFade
And Byte Ptr [DI], Not 4 ; Note cut!
Mov Word Ptr [SI], 200h ; Cut.
Jmp InitCommandG1
InitCommandGNoteOff:
Or Byte Ptr [SI], 4 ; Note off
Push CX
Call GetLoopInformation
Pop CX
Jmp InitCommandG1
InitcommandGNoteFade:
Or Byte Ptr [SI], 8
Jmp InitCommandG1
InitCommandG5:
; Don't overwrite note if MIDI!
Cmp Byte Ptr [DI+0Fh], 101
JE InitCommandGMIDI2
Mov [SI+32h], AL
InitCommandGMIDI2:
Xor EDX, EDX
Mov BX, [SI+34h]
Mov DL, AL
Mov EAX, [ES:BX+3Ch] ; BP = C5Spd
; Call GetC5Speed
Mul [PitchTable+EDX*4]
SHRD EAX, EDX, 16
Mov [DI+34h], EAX
Or Byte Ptr [DI], 16
InitCommandG1:
Test CL, 44h
JZ InitCommandG2
; JZ InitCommandG3
Mov AL, [DI+5]
Cmp AL, 64
JBE InitCommandG4
Mov AH, AL
And AH, 7Fh
Sub AH, 65
JNC InitCommandG2
InitCommandGPanning:
Sub AL, 128
Call InitCommandX2 ; Panning set...
InitCommandG2:
Test CL, 22h
JZ InitCommandG3
Mov BX, [SI+34h] ; Sample memory offset.
Mov AL, [ES:BX+13h]
InitCommandG4:
Or Byte Ptr [SI], 16 ; recalc volume.
Mov AH, AL
Mov [SI+21h], AX
Mov [DI+22h], AL
InitCommandG3:
Test Byte Ptr [DI], 16 ; Slide on???
JZ InitCommandGEnd
MovZX AX, Byte Ptr [DI+11h] ; Work out magnitude + dirn
Test Byte Ptr [ES:2Ch], 20h ; Command G memory
JZ InitCommandGNotOldEffects2
Mov AL, [DI+1Eh]
InitCommandGNotOldEffects2:
ShL AX, 2
JZ PrepareCommandGEnd
Mov [DI+40h], AX
Mov AX, [DI+34h]
Mov DX, [DI+36h] ; Port freq.
Cmp DX, [SI+16h]
JA InitCommandG8
JB InitCommandG9
Cmp AX, [SI+14h]
JA InitCommandG8
JB InitCommandG9
; equal?!?!?
; then don't update effect.
Jmp PrepareCommandGEnd
InitCommandG8:
Mov Byte Ptr [DI+42h], 1 ; slide up
Jmp InitCommandG10
InitCommandG9:
Mov Byte Ptr [DI+42h], 0 ; slide down.
InitCommandG10:
Test Word Ptr [DI], 100h
JNZ PrepareCommandGEnd
Or Byte Ptr [DI], 1 ; Update effect if necess.
PrepareCommandGEnd:
InitCommandGEnd: ; Don't call volume
; effects if it has a Gxx!
Test Word Ptr [DI], 100h
JNZ InitCommandGNoVolEffect
Jmp InitVolumeEffect
InitCommandGNoVolEffect:
Ret
EndP InitCommandG
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandH
Assume DS:Music
Test Byte Ptr Byte Ptr [DI+2], 11h
JZ InitCommandH2
Cmp Byte Ptr [DI+3], 119
JA InitCommandH2
Mov Byte Ptr [DI+39h], 0
Mov Byte Ptr [DI+2Dh], 0
InitCommandH2:
Mov AL, [DI+7]
Mov AH, AL
And AX, 0FF0h ; AH = depth
JZ InitCommandH4
ShR AL, 2 ; AL = speed.
JZ InitCommandH3
Mov [DI+3Bh], AL
InitCommandH3:
ShL AH, 2 ; Depth * 4
JZ InitCommandH4
Test Byte Ptr [ES:2Ch], 10h
JZ InitCommandH5
Add AH, AH
InitCommandH5:
Mov [DI+3Ah], AH
InitCommandH4:
Call InitNoCommand
Test Byte Ptr [DI], 4
JZ InitCommandH1
Or Byte Ptr [DI], 1 ; Update mode.
Jmp InitVibrato
InitCommandH1:
Ret
EndP InitCommandH
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandI
Call InitNoCommand
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandI2
Mov [DI+13h], AL
InitCommandI2:
Test Byte Ptr [DI], 4
JZ InitCommandI1
; OK.. now to handle tremor
Or Byte Ptr [DI], 1
Mov AL, [DI+13h]
Mov AH, AL
And AL, 0Fh
ShR AH, 4
Test Byte Ptr [ES:2Ch], 16
JZ InitCommandI3
Add AX, 101h
InitCommandI3:
Mov [DI+40h], AX ; AL = Offtime, AH = ontime
Jmp CommandI
InitCommandI1:
Ret
EndP InitCommandI
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandJ
Assume DS:Music
Call InitNoCommand
Mov Word Ptr [DI+40h], 0
Mov AL, [DI+7]
Test AL, AL
JNZ InitCommandJ2
Mov AL, [DI+14h]
Jmp InitCommandJ3
InitCommandJ2:
Mov [DI+14h], AL
InitCommandJ3:
Test Byte Ptr [DI], 4
JZ InitCommandJ1
Mov BL, AL
ShR AL, 4
And EBX, 0Fh
Or Byte Ptr [DI], 1 ; Update when channel on
LEA DX, [EBX*4+PitchTable+240]
Mov BL, AL
Mov [DI+44h], DX
LEA DX, [EBX*4+PitchTable+240]
Mov [DI+42h], DX
InitCommandJ1:
Ret
EndP InitCommandJ
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandK
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandK1
Mov [DI+10h], AL
InitCommandK1:
Call InitNoCommand
Test Byte Ptr [DI], 4
JZ InitCommandKEnd
Call InitVibrato
Call InitCommandD7
Or Byte Ptr [DI], 2 ; Always update.
InitCommandKEnd:
Ret
EndP InitCommandK
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandL
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandL1
Mov [DI+10h], AL
InitCommandL1:
Test Byte Ptr [DI], 4
JZ InitCommandLEnd
Call InitCommandG11
Call InitCommandD7
Or Byte Ptr [DI], 2 ; Always update.
InitCommandLEnd:
Ret
EndP InitCommandL
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandM
Assume DS:Music
Call InitNoCommand
Mov AL, [DI+7] ; AL = command val.
Cmp AL, 40h
JA InitCommandM3
InitCommandM2:
Test Byte Ptr [DI], 4
JZ InitCommandM1
Mov SI, [DI+24h]
Mov [SI+23h], AL
Or Byte Ptr [SI], 16 ; recalc volume
InitCommandM1:
Mov [DI+2Fh], AL
InitCommandM3:
Ret
EndP InitCommandM
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandN
Assume DS:Music
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandN1
Mov [DI+16h], AL
InitCommandN1:
Call InitNoCommand
Mov AL, [DI+16h]
Mov AH, AL
Test AH, 0Fh
JZ InitCommandN2
Test AH, 0F0h
JZ InitCommandN3
And AX, 0FF0h
Cmp AH, 0Fh
JE InitCommandN4
Cmp AL, 0F0h
JE InitCommandN5
Ret
InitCommandN2:
ShR AL, 4
Mov [DI+40h], AL
Or Byte Ptr [DI], 2 ; Always update effect
Ret
InitCommandN3:
Neg AL
Mov [DI+40h], AL
Or Byte Ptr [DI], 2
Ret
InitCommandN4:
ShR AL, 4
Add AL, [DI+2Fh]
Cmp AL, 64
JBE InitCommandN6
Mov AL, 64
Jmp InitCommandM2
InitCommandN5:
Mov AL, [DI+2Fh]
Sub AL, AH
JNC InitCommandN6
Xor AL, AL
InitCommandN6:
Jmp InitCommandM2
EndP InitCommandN
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandO
Assume DS:Music
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandO2
Mov [DI+12h], AL
InitCommandO2:
Call InitNoCommand
; Mov AL, [DI+2]
; Test AL, 22h
; JNZ InitCommandO1
; Test AL, 11h
; Test Byte Ptr [DI+2], 11h
Test Byte Ptr [DI+2], 33h
JZ InitCommandO1
Cmp Byte Ptr [DI+0Eh], 120
JAE InitCommandO1
InitCommandO3:
Test Byte Ptr [DI], 4
JZ InitCommandO1
Xor EAX, EAX
Mov SI, [DI+24h]
Mov AH, [DI+1Bh]
Mov AL, [DI+12h]
ShL EAX, 8
Cmp EAX, [SI+44h] ; End of sample/end of sample loop
JB InitCommandO4
Test Byte Ptr [ES:2Ch], 16
JZ InitCommandO1
Mov EAX, [SI+44h]
Dec EAX
InitCommandO4:
Mov [SI+4Ch], EAX
Mov [SI+2Ch], EAX
Xor AX, AX
Mov [SI+48h], AX
Ret
InitCommandO1:
Ret
EndP InitCommandO
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandP
Assume DS:Music
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandP1
Mov [DI+17h], AL
InitCommandP1:
Call InitNoCommand
Mov DL, [DI+2Eh]
Test Byte Ptr [DI], 4
JZ InitCommandP8
Mov SI, [DI+24h]
Mov DL, [SI+2Bh] ; Pan set
InitCommandP8:
Cmp DL, 100 ; Surround??
JE InitCommandP7
Mov AL, [DI+17h]
Mov AH, AL
Test AH, 0Fh
JZ InitCommandP2
Test AH, 0F0h
JZ InitCommandP3
And AX, 0F00Fh
Cmp AL, 0Fh
JE InitCommandP4
Cmp AH, 0F0h
JE InitCommandP5
InitCommandP7:
Ret
InitCommandP2:
ShR AL, 4
Neg AL
Mov [DI+40h], AL
Or Byte Ptr [DI], 2 ; Always update effect
Ret
InitCommandP3:
Mov [DI+40h], AL
Or Byte Ptr [DI], 2
Ret
InitCommandP4:
ShR AH, 4
Mov AL, DL
Sub AL, AH
JNC InitCommandP6
Xor AL, AL
Jmp InitCommandX2
InitCommandP5:
Add AL, DL
Cmp AL, 64
JBE InitCommandP6
Mov AL, 64
InitCommandP6:
Jmp InitCommandX2
EndP InitCommandP
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandQ
Call InitNoCommand
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandQ1
Mov [DI+18h], AL
InitCommandQ1:
Test Byte Ptr [DI], 4
JZ InitCommandQ2
Or Byte Ptr [DI], 1
Test Byte Ptr [DI+2], 11h
JZ InitCommandQ3
Mov AL, [DI+18h]
And AL, 0Fh ; AL = retrig count
Mov [DI+33h], AL ; retrig countdown
InitCommandQ2:
Ret
InitCommandQ3:
Jmp CommandQ
EndP InitCommandQ
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandR
Assume DS:Music
Mov AL, [DI+7]
Mov AH, AL
And AX, 0FF0h ; AH = depth
JZ InitCommandR4
ShR AL, 2 ; AL = speed.
JZ InitCommandR3
Mov [DI+3Fh], AL
InitCommandR3:
ShL AH, 1
JZ InitCommandR4
Mov [DI+3Eh], AH
InitCommandR4:
Call InitNoCommand
Test Byte Ptr [DI], 4
JZ InitCommandR1
Or Byte Ptr [DI], 1 ; Update mode.
Jmp InitTremelo
InitCommandR1:
Ret
EndP InitCommandR
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
CommandSTable Label Word
DW Offset InitNoCommand ; 0
DW Offset InitNoCommand ; 1
DW Offset InitNoCommand ; 2
DW Offset InitCommandS3x ; 3 - set vibrato waveform
DW Offset InitCommandS4x ; 4 - set tremelo waveform
DW Offset InitCommandS5x ; 5 - set panbrello waveform
DW Offset InitCommandS6x ; 6 - extra delay of x frames
DW Offset InitCommandS7x ; 7 - instrument functions
DW Offset InitCommandS8x ; 8 - set pan
DW Offset InitCommandS9x ; 9 - set surround
DW Offset InitCommandSAx ; A - Set high order offset
DW Offset InitCommandSBx ; B - loop control
DW Offset InitCommandSCx ; C - note cut
DW Offset InitCommandSDx ; D - note delay
DW Offset InitCommandSEx ; E - pattern delay
DW Offset InitCommandSFx ; F - MIDI Macro select
CommandS7Table Label Word
DW Offset InitCommandS70 ; Past note cut
DW Offset InitCommandS71 ; Past note off
DW Offset InitCommandS72 ; Past note fade
DW Offset InitCommandS73 ; Set NNA to cut
DW Offset InitCommandS73 ; Set NNA to continue
DW Offset InitCommandS73 ; Set NNA to off
DW Offset InitCommandS73 ; Set NNA to fade
DW Offset InitCommandS77 ; Set volume envelope on
DW Offset InitCommandS78 ; Set volume envelope off
DW Offset InitCommandS79 ; Set panning envelope on
DW Offset InitCommandS7A ; Set panning envelope off
DW Offset InitCommandS7B ; Set pitch envelope on
DW Offset InitCommandS7C ; Set pitch envelope off
DW Offset InitNoCommand
DW Offset InitNoCommand
DW Offset InitNoCommand
Proc InitCommandS
Assume DS:Music
Mov AL, [DI+7]
Test AL, AL
JNZ @ICS1
Mov AL, [DI+1Ah]
@ICS1:
Mov [DI+1Ah], AL
Mov AH, AL
And AX, 0F00Fh
Mov [DI+40h], AX ; Misc effects data.
Mov BX, AX
ShR BX, 11 ; BX = (AH>>4)*2
Jmp [CommandSTable+BX]
InitCommandS3x:
Cmp AL, 3
JA @ICS2
Mov [DI+38h], AL
@ICS2:
Jmp InitNoCommand
InitCommandS4x:
Cmp AL, 3
JA @ICS3
Mov [DI+3Ch], AL
@ICS3:
Jmp InitNoCommand
InitCommandS5x:
Cmp AL, 3
JA @ICS4
Mov [DI+28h], AL
Mov Byte Ptr [DI+29h], 0
@ICS4:
Jmp InitNoCommand
InitCommandS6x:
And AX, 0FFh
Add CurrentTick, AX
Add ProcessTick, AX
Jmp InitNoCommand
InitCommandS7x:
Mov BL, AL
Add BL, BL
Jmp [CommandS7Table+BX]
InitCommandS70: ; Past Note cut.
Call InitNoCommand
Mov SI, Offset SlaveChannelInformationTable
Mov CX, NumChannels
Mov AL, [DI+20h]
Or AL, 80h
InitCommandS70_1:
Cmp AL, [SI+3Ah]
JNE @ICS5
Test Byte Ptr CS:DriverFlags, 2
JZ @ICS70_2
Or Word Ptr [SI], 200h
Jmp @ICS5
@ICS70_2:
Mov Word Ptr [SI], 200h
@ICS5:
Add SI, SLAVECHANNELSIZE
Dec CX
JNZ InitCommandS70_1
Ret
InitCommandS71: ; Past note off
Call InitNoCommand
Mov AH, 4
Jmp InitCommandS72_1
InitCommandS72: ; Past note fade.
Call InitNoCommand
Mov AH, 8
InitCommandS72_1:
Mov SI, Offset SlaveChannelInformationTable
Mov CX, NumChannels
Mov AL, [DI+20h]
Or AL, 80h
InitCommandS72_2:
Cmp AL, [SI+3Ah]
JNE @ICS6
Or [SI], AH
Push AX
Push CX
Call GetLoopInformation
Pop CX
Pop AX
@ICS6:
Add SI, SLAVECHANNELSIZE
Dec CX
JNZ InitCommandS72_2
Ret
InitCommandS73:
Push AX
Call InitNoCommand
Pop AX
Test Byte Ptr [DI], 4
JZ @ICS7
Sub AL, 3
Mov SI, [DI+24h]
Mov [SI+3Bh], AL
@ICS7:
Ret
InitCommandS77:
Call InitNoCommand
Test Byte Ptr [DI], 4
JZ @ICS9
Mov SI, [DI+24h]
And Word Ptr [SI], Not 1000h
@ICS9:
Ret
InitCommandS78:
Call InitNoCommand
Test Byte Ptr [DI], 4
JZ @ICS9
Mov SI, [DI+24h]
Or Word Ptr [SI], 1000h
Ret
InitCommandS79:
Call InitNoCommand
Test Byte Ptr [DI], 4
JZ @ICS9
Mov SI, [DI+24h]
And Word Ptr [SI], Not 2000h
Ret
InitCommandS7A:
Call InitNoCommand
Test Byte Ptr [DI], 4
JZ @ICS10
Mov SI, [DI+24h]
Or Word Ptr [SI], 2000h
Ret
InitCommandS7B:
Call InitNoCommand
Test Byte Ptr [DI], 4
JZ @ICS10
Mov SI, [DI+24h]
And Word Ptr [SI], Not 4000h
@ICS10:
Ret
InitCommandS7C:
Call InitNoCommand
Test Byte Ptr [DI], 4
JZ @ICS10
Mov SI, [DI+24h]
Or Word Ptr [SI], 4000h
Ret
InitCommandS8x:
Mov AH, AL
ShL AH, 4
Or AL, AH
And AX, 0FFh
Add AX, 2
SHR AX, 2
InitCommandS8x_1:
Push AX
Call InitNoCommand
Pop AX
Jmp InitCommandX2
InitCommandS9x:
Cmp AL, 1
Mov AL, 100
JE InitCommandS8x_1
Jmp InitNoCommand
InitCommandSAx:
Mov [DI+1Bh], AL
Jmp InitNoCommand
InitCommandSBx:
Push AX
Call InitNoCommand
Pop AX
Test AL, AL
JZ InitCommandSBx_1
Cmp Byte Ptr [DI+27h], 0
JNE InitCommandSBx_2
Mov [DI+27h], AL
InitCommandSBx_3:
MovZX AX, Byte Ptr [DI+26h]
Dec AX
Mov ProcessRow, AX
Mov PatternLooping, 1
Ret
InitCommandSBx_2:
Dec Byte Ptr [DI+27h]
JNZ InitCommandSBx_3
Mov AX, CurrentRow
Inc AX
Mov [DI+26h], AL
Ret
InitCommandSBx_1:
Mov AX, CurrentRow
Mov [DI+26h], AL
Ret
InitCommandSCx:
Or Byte Ptr [DI], 1
Jmp InitNoCommand
InitCommandSDx:
Or Byte Ptr [DI], 2
Ret
InitCommandSEx:
Cmp RowDelayOn, 0
JNE @ICS8
Inc AX
Mov AH, 1
Mov [Word Ptr RowDelay], AX
@ICS8:
Jmp InitNoCommand
InitCommandSFx: ; Set MIDI Macro
Mov [DI+1Fh], AL
Jmp InitNoCommand
EndP InitCommandS
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandT
Assume DS:Music
Mov AL, [DI+7]
Test AL, AL
JZ InitCommandT2
Mov [DI+19h], AL
InitCommandT2:
Mov AL, [DI+19h]
InitCommandT3:
Cmp AL, 20h
JB InitCommandT1
Mov Tempo, AL
Call Music_InitTempo
Jmp InitNoCommand
InitCommandT1:
Call InitNoCommand
Or Byte Ptr [DI], 2 ; Update mode
Ret
EndP InitCommandT
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandU
Assume DS:Music
Test Byte Ptr Byte Ptr [DI+2], 11h
JZ InitCommandU2
Mov Byte Ptr [DI+39h], 0
Mov Byte Ptr [DI+2Dh], 0
InitCommandU2:
Mov AL, [DI+7]
Mov AH, AL
And AX, 0FF0h ; AH = depth
Test AL, AL
JZ InitCommandU3
ShR AL, 2 ; AL = speed.
Mov [DI+3Bh], AL
InitCommandU3:
Test AH, AH
JZ InitCommandU4
Test Byte Ptr [ES:2Ch], 16
JZ InitCommandU5
Add AH, AH
InitCommandU5:
Mov [DI+3Ah], AH
InitCommandU4:
Call InitNoCommand
Test Byte Ptr [DI], 4
JZ InitCommandU1
Or Byte Ptr [DI], 1 ; Update mode.
Jmp InitVibrato
InitCommandU1:
Ret
EndP InitCommandU
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandV
Assume DS:Music
Mov AL, [DI+7]
Cmp AL, 80h
JA InitCommandV1
Mov GlobalVolume, AL
Call RecalculateAllVolumes
InitCommandV1:
Jmp InitNoCommand
EndP InitCommandV
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandW ; Global volume slides!
Assume DS:Music
Call InitNoCommand
Mov AL, [DI+7]
Test AL, AL
JNZ InitCommandW1
Mov AL, [DI+1Ch]
Jmp InitCommandW2
InitCommandW1:
Mov [DI+1Ch], AL
InitCommandW2:
Mov AH, AL
And AX, 0F00Fh
JZ InitCommandW3
Test AH, AH
JZ InitCommandW4
Test AL, AL
JZ InitCommandW5
Cmp AH, 0F0h
JE InitCommandW6
Cmp AL, 0Fh
JE InitCommandW8
Ret
InitCommandW4:
Neg AL
Mov [DI+40h], AL
Or Byte Ptr [DI], 2
Ret
InitCommandW5:
ShR AH, 4
Mov [DI+40h], AH
Or Byte Ptr [DI], 2
Ret
InitCommandW6:
Mov AH, GlobalVolume
Sub AH, AL
JNC InitCommandW7
Xor AH, AH
InitCommandW7:
Mov GlobalVolume, AH
Call RecalculateAllVolumes
Ret
InitCommandW8:
ShR AH, 4
Mov AL, GlobalVolume
Add AL, AH
JNS InitCommandW9
Mov AL, 128
InitCommandW9:
Mov GlobalVolume, AL
Call RecalculateAllVolumes
Ret
InitCommandW3:
Ret
EndP InitCommandW
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandX
Assume DS:Music
Call InitNoCommand
MovZX AX, Byte Ptr [DI+7] ; AL = command val.
Add AX, 2
SHR AX, 2
InitCommandX2:
Test Byte Ptr [DI], 4
JZ InitCommandX1
Mov SI, [DI+24h]
Mov AH, AL
Mov [SI+2Ah], AX
Or Byte Ptr [SI], 64+2 ; Recalculate pan
InitCommandX1:
Mov [DI+2Eh], AL
Ret
EndP InitCommandX
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandY
Assume DS:Music
Mov AL, [DI+7]
Mov AH, AL
And AX, 0FF0h ; AH = depth
JZ InitCommandY4
ShR AL, 4
JZ InitCommandY3
Mov [DI+2Bh], AL
InitCommandY3:
ShL AH, 1
JZ InitCommandY4
Mov [DI+2Ah], AH
InitCommandY4:
Call InitNoCommand
Test Byte Ptr [DI], 4
JZ InitCommandY1
Or Byte Ptr [DI], 1 ; Update mode.
Jmp CommandY
InitCommandY1:
Ret
EndP InitCommandY
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 InitCommandZ ; Macros start at 120h, 320h
Call InitNoCommand
Mov BL, [DI+7]
Mov SI, [DI+24h]
Test BL, BL
JS InitCommandZ1
; Test SI, SI
; JZ InitCommandZ2
Mov BL, [DI+1Fh] ; 0->7Fh
And BX, 0Fh ; BX = SFx number
ShL BX, 5
Add BX, 120h
Jmp MIDITranslate
InitCommandZ1: ; Macros!
And BX, 7Fh
ShL BX, 5 ; BX = (xx-80h)*20h
Add BX, 320h
Jmp MIDITranslate
InitCommandZ2:
Ret
EndP InitCommandZ
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 NoCommand ; DS:DI points to CIT Area
Ret
EndP NoCommand
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandD
Assume DS:Music
Mov SI, [DI+24h]
Mov AL, [DI+30h]
Add AL, [SI+22h] ; Volset.
JS CommandD1
Cmp AL, 64
JBE CommandD2
And Byte Ptr [DI], Not 1
Mov AL, 64
Jmp CommandD2
CommandD1:
And Byte Ptr [DI], Not 1
Xor AL, AL
CommandD2:
Mov [SI+21h], AL
Mov [SI+22h], AL
Mov [DI+22h], AL
Or Byte Ptr [SI], 16 ; Recalc vol
Ret
EndP CommandD
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandE
Assume DS:Music
Mov BX, [DI+40h]
CommandEChain:
Mov SI, [DI+24h]
Call PitchSlideDown
Mov EAX, [SI+10h]
Mov [SI+14h], EAX
Ret
EndP CommandE
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandF
Assume DS:Music
Mov BX, [DI+40h]
CommandFChain:
Mov SI, [DI+24h]
Call PitchSlideUp
Mov EAX, [SI+10h]
Mov [SI+14h], EAX
Ret
EndP CommandF
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandG
Test Byte Ptr [DI], 16
JZ CommandGEnd
Mov BX, [DI+40h]
Mov SI, [DI+24h]
Cmp Byte Ptr [DI+42h], 1
JE CommandG1
; Slide down
Call PitchSlideDown
; Check that frequency is above porta
; to frequency.
Mov EAX, [SI+10h]
Cmp EAX, [DI+34h]
JA CommandG6
CommandG4:
Mov EAX, [DI+34h]
And Byte Ptr [DI], Not (3 Or 16) ; Turn off calling
CommandG3:
Mov [SI+10h], EAX
CommandG6:
Mov [SI+14h], EAX
CommandGEnd:
Ret
CommandG1: ; Slide up!
Call PitchSlideUp
; Check that
; 1) Channel is on
; 2) Frequency (set) is below porta to
; frequency
Mov EAX, [SI+10h]
Test Word Ptr [SI], 200h
JNZ CommandG5
Cmp EAX, [DI+34h]
JB CommandG6
CommandG5:
; Or Byte Ptr [SI], 1
; And Byte Ptr [SI+1], Not 2
And Word Ptr [SI], Not 200h
Or Byte Ptr [DI], 4 ; Turn on.
Jmp CommandG4
EndP CommandG
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
InitVibrato:
Test Byte Ptr [ES:2Ch], 10h
JZ CommandH
Mov SI, [DI+24h]
Or Byte Ptr [SI], 32 ; Freq change...
Mov AL, [DI+2Dh]
Jmp CommandH5
Proc CommandH
Mov SI, [DI+24h]
Or Byte Ptr [SI], 32 ; Freq change...
Mov BL, [DI+39h]
Add BL, [DI+3Bh] ; Add speed.
Mov [DI+39h], BL ; Save value
Mov BH, [DI+38h] ; AL = waveform
Cmp BH, 3
JE CommandH1
Mov AL, [FineSineData+BX] ; AL = -64 -> 64
Jmp CommandH2
CommandH1: ; Random.
Call Random
And AL, 127
Sub AL, 64
CommandH2:
Mov [DI+2Dh], AL ; Save last vibrato.
CommandH5:
IMul Byte Ptr [DI+3Ah]
SAL AX, 2
Add AX, 80h
Test Byte Ptr [ES:2Ch], 16
JZ CommandH9
Neg AH
CommandH9:
MovZX BX, AH
; AH = EEx/FEx command value
Test AH, AH
JS CommandH4
JNS CommandH3
Ret
CommandH3:
Jmp PitchSlideUp
CommandH4:
Neg BL
Jmp PitchSlideDown
Ret
EndP CommandH
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandI
Mov SI, [DI+24h]
Or Byte Ptr [SI], 16 ; recalc volume
Dec Byte Ptr [DI+31h]
JS CommandI2
JZ CommandI2
CommandI1:
Cmp Byte Ptr [DI+32h], 1
JE CommandI3
Mov Byte Ptr [SI+21h], 0
CommandI3:
Ret
CommandI2:
Xor Byte Ptr [DI+32h], 1
MovZX BX, Byte Ptr [DI+32h]
Mov AL, [DI+40h+BX]
Mov [DI+31h], AL
Jmp CommandI1
EndP CommandI
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandJ
Assume DS:Music
Mov SI, [DI+24h]
Mov BX, [DI+40h]
Or Byte Ptr [SI], 32
Add BX, 2
Cmp BX, 6
JB CommandJ1
Mov Word Ptr [DI+40h], 0
Ret
CommandJ1:
Push DI
Mov [DI+40h], BX
Mov DI, [DI+BX+40h] ; DI points to freq mult.
Mov EAX, [SI+10h]
Mul DWord Ptr [DI]
Test EDX, 0FFFF0000h
JNZ CommandJ2
SHRD EAX, EDX, 16
Mov [SI+10h], EAX
Pop DI
Ret
CommandJ2:
Xor EAX, EAX
Mov [SI+10h], EAX
Pop DI
Ret
EndP CommandJ
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandK
Call CommandH
Call CommandD
Ret
EndP CommandK
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandL
Test Byte Ptr [DI], 16
JZ CommandL1
Call CommandG
Or Byte Ptr [DI], 1
CommandL1:
Call CommandD
Ret
EndP CommandL
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandN
Mov AL, [DI+2Fh]
Add AL, [DI+40h]
JNS CommandN1
Xor AL, AL
Jmp InitCommandM2
CommandN1:
Cmp AL, 64
JBE CommandN2
Mov AL, 64
CommandN2:
Jmp InitCommandM2
EndP CommandN
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandP
Mov AL, [DI+2Eh]
Test Byte Ptr [DI], 4
JZ CommandP3
Mov SI, [DI+24h]
Mov AL, [SI+2Bh] ; Pan set
CommandP3:
Add AL, [DI+40h]
JNS CommandP1
Xor AL, AL
Jmp InitCommandX2
CommandP1:
Cmp AL, 64
JBE CommandP2
Mov AL, 64
CommandP2:
Jmp InitCommandX2
EndP CommandP
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandQ
Dec Byte Ptr [DI+33h]
JS CommandQ1
JZ CommandQ1
Ret
CommandQ1: ; OK... reset counter.
Mov BL, [DI+18h]
Mov BH, BL
And BX, 0F00Fh
Mov [DI+33h], BL ; retrig count done.
Mov SI, [DI+24h]
Test Byte Ptr DriverFlags, 2 ; Hiqual?
JZ CommandQNoHiQual
Push ES
Push DI
Test Byte Ptr [ES:2Ch], 4 ; Instrument mode?
Push DS
Pop ES
JNZ CommandQHiqualInstruments
CommandQHiqualSamples:
Lea DI, [SI+64*SLAVECHANNELSIZE]
Mov CX, SLAVECHANNELSIZE/4
Rep MovsD
Or Byte Ptr [DI-SLAVECHANNELSIZE+1], 2h ; Cut
Or Byte Ptr [DI-SLAVECHANNELSIZE+3Ah], 80h ; Disowned
Sub SI, SLAVECHANNELSIZE
Pop DI
Jmp CommandQHiqualEnd
CommandQHiqualInstruments:
Mov DI, Offset SlaveChannelInformationTable
Mov CX, NumChannels
CommandQFindChannel:
Test Byte Ptr [DI], 1
JZ CommandQHiqualCopy
Add DI, SLAVECHANNELSIZE
Loop CommandQFindChannel
Pop DI
Jmp CommandQHiqualEnd
CommandQHiqualCopy:
Mov CX, SLAVECHANNELSIZE/4
Rep MovsD
Or Byte Ptr [SI-SLAVECHANNELSIZE+1], 2h ; Cut
Or Byte Ptr [SI-SLAVECHANNELSIZE+3Ah], 80h ; Disowned
LEA SI, [DI-SLAVECHANNELSIZE]
Pop DI
Mov [DI+24h], SI
CommandQHiqualEnd:
Pop ES
CommandQNoHiQual:
Xor EAX, EAX
Mov [SI+2Ch], EAX
Mov [SI+48h], AX
Mov [SI+4Ch], EAX
Or Word Ptr [SI], 540h
Mov AL, [SI+22h]
ShR BX, 11
Jmp [RetrigOffsets+BX]
CommandQ_0:
Ret
CommandQ_1:
Dec AL
Jmp CommandQCheckLow
CommandQ_2:
Sub AL, 2
Jmp CommandQCheckLow
CommandQ_3:
Sub AL, 4
Jmp CommandQCheckLow
CommandQ_4:
Sub AL, 8
Jmp CommandQCheckLow
CommandQ_5:
Sub AL, 16
Jmp CommandQCheckLow
CommandQ_6:
ShL AL, 1
Mov BL, 3
Div BL
Jmp CommandQEnd
CommandQ_7:
ShR AL, 1
Jmp CommandQEnd
CommandQ_8:
Ret
CommandQ_9:
Inc AX
Jmp CommandQCheckHigh
CommandQ_A:
Add AL, 2
Jmp CommandQCheckHigh
CommandQ_B:
Add AL, 4
Jmp CommandQCheckHigh
CommandQ_C:
Add AL, 8
Jmp CommandQCheckHigh
CommandQ_D:
Add AL, 16
Jmp CommandQCheckHigh
CommandQ_E:
Mov AH, AL
Add AL, AL
Add AL, AH
ShR AL, 1
Jmp CommandQCheckHigh
CommandQ_F:
ShL AL, 1
Jmp CommandQCheckHigh
CommandQCheckLow:
JNS CommandQEnd
Xor AL, AL
Jmp CommandQEnd
CommandQCheckHigh:
Cmp AL, 64
JBE CommandQEnd
Mov AL, 64
CommandQEnd:
Mov [SI+21h], AL
Mov [SI+22h], AL
Mov [DI+22h], AL
Or Byte Ptr [SI], 16 ; recalc volume flag
Cmp Byte Ptr [DI+0Fh], 101 ; MIDI sample
JNE CommandQNoMidi
Mov BX, MIDICOMMAND_STOPNOTE
Call MIDITranslate
CommandQNoMidi:
Ret
EndP CommandQ
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
InitTremelo:
Test Byte Ptr [ES:2Ch], 10h
JZ CommandR
Mov SI, [DI+24h]
Or Byte Ptr [SI], 64 ; Volume change...
Mov AL, [DI+23h]
Jmp CommandR2
Proc CommandR
Mov SI, [DI+24h]
Or Byte Ptr [SI], 16 ; Volume change
Mov BL, [DI+3Dh]
Add BL, [DI+3Fh] ; Add speed.
Mov [DI+3Dh], BL ; Save value
Mov BH, [DI+3Ch] ; AL = waveform
Cmp BH, 3
JE CommandR1
Mov AL, [FineSineData+BX] ; AL = -64 -> 64
Jmp CommandR5
CommandR1: ; Random.
Call Random
And AL, 127
Sub AL, 64
CommandR5:
Mov [DI+23h], AL ; Save last tremelo
CommandR2:
IMul Byte Ptr [DI+3Eh]
SAL AX, 2
Add AX, 80h
MovZX BX, AH
; AH = volume change
Mov AL, [SI+21h] ; AL = vol.
Add AL, AH
JNS CommandR3
Xor AL, AL
CommandR3:
Cmp AL, 64
JBE CommandR4
Mov AL, 64
CommandR4:
Mov [SI+21h], AL
Ret
EndP CommandR
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandS ; Have to handle SDx, SCx
Assume DS:Music
Mov AX, [DI+40h] ; AH = command, AL = value.
Cmp AH, 0D0h
JE CommandS1
Cmp AH, 0C0h
JE CommandS3
CommandS4:
Ret
CommandS3:
Test Byte Ptr [DI], 4
JZ CommandS4
Dec Byte Ptr [DI+40h]
JZ CommandS5
JS CommandS5
Ret
CommandS5:
Mov SI, [DI+24h] ; Note cut.
Mov AL, [DI]
And AL, Not 4
Mov [DI], AL
Cmp Byte Ptr [SI+36h], 100
JE CommandS7
Test Byte Ptr CS:DriverFlags, 2
JNZ CommandS7
Mov Word Ptr [SI], 200h
Ret
CommandS7:
Or Word Ptr [SI], 200h
Ret
CommandS1:
Dec Byte Ptr [DI+40h]
JS CommandS2
JZ CommandS2
Ret
CommandS2:
And Byte Ptr [DI], Not 3
Call InitNoCommand
Or Byte Ptr [DI], 64
MovZX BX, Byte Ptr [DI+20h] ; Check whether chn
; is on
Test Byte Ptr [ES:BX+40h], 80h
JZ CommandS6
Test Byte Ptr [DI], 32
JNZ CommandS6
Test Byte Ptr [DI], 4
JZ CommandS6 ; Channel was off.
Mov SI, [DI+24h]
Or Byte Ptr [SI+1], 8
CommandS6:
Ret
EndP CommandS
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandT
Assume DS:Music
Mov AL, [DI+19h]
Mov BL, Tempo
Xor AH, AH
Xor BH, BH
Test AL, 0F0h
JZ CommandT1
; Slide up
Add BX, AX
Sub BX, 10h
Cmp BX, 0FFh
JBE CommandT2
Mov BL, 0FFh
Jmp CommandT2
CommandT1: ; Slide down
Sub BX, AX
Cmp BX, 20h
JGE CommandT2
Mov BL, 20h
CommandT2:
Mov Tempo, BL
PushA
Call [DriverSetTempo]
PopA
Ret
EndP CommandT
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandW ; Global volume slide!
Assume DS:Music
Xor BH, BH
MovSX AX, Byte Ptr [DI+40h]
Mov BL, GlobalVolume
Add AX, BX
JNS CommandW1
Xor AL, AL
CommandW1:
Cmp AL, 128
JBE CommandW2
Mov AL, 128
CommandW2:
Mov GlobalVolume, AL
Call RecalculateAllVolumes
Ret
EndP CommandW
Assume DS:Nothing
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><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 CommandY
Test Byte Ptr [DI], 4
JZ CommandY5
Mov SI, [DI+24h]
Mov BH, [DI+28h] ; AL = waveform
Cmp BH, 3
JAE CommandY1
Mov BL, [DI+29h] ; Pos
Add BL, [DI+2Bh] ; Add speed.
Mov [DI+29h], BL ; Save value
Mov AL, [FineSineData+BX] ; AL = -64 -> 64
Jmp CommandY2
CommandY1: ; Random panning make
; speed the delay time.
Dec Byte Ptr [DI+29h]
JZ CommandY6
JS CommandY6
Mov AL, [DI+2Ch]
Jmp CommandY2
CommandY6:
Mov BL, [DI+2Bh]
Mov [DI+29h], BL ; reset countdown.
Call Random
And AL, 127
Sub AL, 64
Mov [DI+2Ch], AL
CommandY2:
IMul Byte Ptr [DI+2Ah]
SAL AX, 2
Add AX, 80h
MovZX BX, AH
; AH = panning change
Mov AL, [SI+2Bh] ; AL = panning
Cmp AL, 100 ; Surround?
JE CommandY5
Add AL, AH
JNS CommandY3
Xor AL, AL
CommandY3:
Cmp AL, 64
JBE CommandY4
Mov AL, 64
CommandY4:
Or Byte Ptr [SI], 2 ; Panning change
Mov [SI+2Ah], AL
CommandY5:
Ret
EndP CommandY