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Programming Sound Cards
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Programming Sound Cards.iso
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sound_87
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devsb.asm
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Assembly Source File
|
1995-01-01
|
2KB
|
94 lines
INCLUDE SoundDevices.INC
EXTRN DSPWritePort : WORD
EXTRN SbSplTimeout : WORD
EXTRN SbCmdTimeout : WORD
MACRO SBLoop Tout
LOCAL @@tst, @@cnt
MOV DX,[DSPWritePort]
MOV BX,Tout
@@tst:
DEC BX
JZ @@cnt
IN AL,DX
TEST AL,80h
JNZ @@tst
@@cnt:
ENDM SBLoop
CODESEG
PUBLIC SBIntHandler
SBIntHandler:
Chunk1
Chunk21
Chunk221
SBLoop [SbCmdTimeout]
MOV AL,10h
OUT DX,AL
Chunk222
MonoChunk31
Chunk41
SBLoop [SbSplTimeout]
MOV AL,CL
OUT DX,AL
Chunk5
PUBLIC DMASBIntHandler
PUBLIC DMASBTimHandler
DMASBIntHandler:
Chunk1
SBLoop [SbCmdTimeout]
MOV AL,10h
OUT DX,AL
Chunk2
MonoChunk31
Chunk41 8
SBLoop [SbSplTimeout]
MOV AL,CL
OUT DX,AL
Chunk51
DMASBTimHandler:
Chunk1
SBLoop [SbCmdTimeout]
MOV AL,10h
OUT DX,AL
Chunk2
MonoChunk31
Chunk41 8
SBLoop [SbSplTimeout]
MOV AL,CL
OUT DX,AL
Chunk51
END