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Experimental BBS Explossion 3
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DEVSB.INC
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1993-05-11
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2KB
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105 lines
DATASEG
EXTRN DSPWritePort : WORD
EXTRN DSP8AckPort : WORD
EXTRN DSPLifePort : WORD
EXTRN SbSplTimeout : WORD
EXTRN SbCmdTimeout : WORD
CODESEG
MACRO SBLoop Tout
LOCAL @@tst, @@cnt
MOV DX,[DSPWritePort]
MOV BX,Tout
@@tst:
DEC BX
JZ SHORT @@cnt
IN AL,DX
TEST AL,80h
JNZ SHORT @@tst
@@cnt:
ENDM SBLoop
DevSbStartRut EQU DeviceStartRutRet
DevSbRut1:
SBLoop [SbCmdTimeout]
MOV AL,10h
OUT DX,AL
JMP DeviceRut1Ret
DevSbRut2:
XOR AH,80h
SBLoop [SbSplTimeout]
MOV AL,AH
OUT DX,AL
JMP DeviceRut2Ret
DevSbKickRut:
MOV DX,[DSP8AckPort]
IN AL,DX
MOV DX,[DSPLifePort]
IN AL,DX
RET
DevSbMonoFillRut EQU GeneralDev8MonoFillRut
;GeneralDev8MonoFillRut
DevSbSterFillRut EQU GeneralDev8SterFillRut
PUBLIC DevInitSbNonDMA
PROC DevInitSbNonDMA FAR Ster: BYTE, Bits: BYTE
MOV AX,OFFSET DevSbMonoFillRut
JMP SHORT DevSbGeneralInit
ENDP
PUBLIC DevInitSbDMA
PROC DevInitSbDMA FAR Ster: BYTE, Bits: BYTE
MOV AL,[Ster]
AND AL,AL
JNZ SHORT @@ster
MOV AX,OFFSET DevSbMonoFillRut
JMP SHORT DevSbGeneralInit
@@ster: MOV AX,OFFSET DevSbSterFillRut
JMP SHORT DevSbGeneralInit
DevSbGeneralInit:
MOV [DeviceFillRut],AX
MOV AX,OFFSET DevSbStartRut
MOV [DeviceStartRut],AX
MOV AX,OFFSET DevSbRut1
MOV [DeviceRut1],AX
MOV AX,OFFSET DevSbRut2
MOV [DeviceRut2],AX
MOV AX,OFFSET DevSbKickRut
MOV [DeviceKickRut],AX
RET
ENDP