A2osX/DRV/UTHERNET.DRV.S.txt

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2017-12-22 21:24:30 +00:00
NEW
2019-05-02 09:52:32 +00:00
AUTO 3,1
2016-04-18 20:15:34 +00:00
.LIST OFF
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.OP 65C02
.OR $2000
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.TF DRV/UTHERNET.DRV
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*--------------------------------------
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.INB INC/MACROS.I
.INB INC/A2OSX.I
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.INB INC/MLI.E.I
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.INB INC/NIC.I
.INB INC/NIC.8900A.I
.INB INC/ETH.I
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*--------------------------------------
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ZPArgPtr .EQ ZPDRV
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
CS.START cld
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jmp Dev.Detect cld,jmp abs=DRV
.DA #$61 6502,Level 1 (65c02)
.DA #1 DRV Layout Version 1
.DA 0
.DA CS.END-CS.START Code Length
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.DA 0
.DA 0
.DA 0
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*--------------------------------------
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* Relocation Table
*--------------------------------------
L.MSG.DETECT .DA MSG.DETECT
L.MSG.DETECT.OK .DA MSG.DETECT.OK
L.MSG.DETECT.KO .DA MSG.DETECT.KO
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L.DRV.CS.START .DA DRV.CS.START
L.FD.DEV .DA FD.DEV
L.FD.DEV.NAME .DA FD.DEV.NAME
L.SSCANF.MAC .DA SSCANF.MAC
L.MAC0 .DA DCB+S.DCB.NIC.MAC
L.MAC1 .DA DCB+S.DCB.NIC.MAC+1
L.MAC2 .DA DCB+S.DCB.NIC.MAC+2
L.MAC3 .DA DCB+S.DCB.NIC.MAC+3
L.MAC4 .DA DCB+S.DCB.NIC.MAC+4
L.MAC5 .DA DCB+S.DCB.NIC.MAC+5
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.DA 0 End Of Reloc Table
*--------------------------------------
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Dev.Detect >STYA ARGS
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>LDYA L.MSG.DETECT
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>SYSCALL puts
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ldx #$70
ldy #7
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.1 lda A2osX.S,y IO based detection, avoid scanning in Disk Controller IO!!!!
bne .2
lda /PP.ID
sta PacketPagePTR+1,x
lda #PP.ID
sta PacketPagePTR,x
lda PacketPageDATA+1,x
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cmp /DEVID
bne .2
lda PacketPageDATA,x
cmp #DEVID
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beq .3
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.2 dec FD.DEV.NAME+3
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txa
sec
sbc #$10
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tax
dey
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bne .1
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>LDYA L.MSG.DETECT.KO
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>SYSCALL puts
lda #MLI.E.NODEV
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sec
rts
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.3 stx DEVSLOTx0
lda #A2osX.S.NIC
sta A2osX.S,y
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lda /PP.REVISION Get Revision# of ths chip...
sta PacketPagePTR+1,x
lda #PP.REVISION
sta PacketPagePTR,x
lda PacketPageDATA+1,x
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sta DIB+S.DIB.VERSION+1 set Hardware version
lda PacketPageDATA,x
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sta DIB+S.DIB.VERSION
jsr Dev.ParseArgs
bcs .9
.8 >PUSHW L.FD.DEV.NAME
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>PUSHBI 2
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>LDYA L.MSG.DETECT.OK
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>SYSCALL printf
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>PUSHWI DRV.END
>PUSHWI DRV.CS.END
>PUSHWI DRV.CS.START
>LDYA L.DRV.CS.START
>SYSCALL InsDrv
bcs .9
>STYA FD.DEV+S.FD.DEV.DRVPTR
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>PUSHW L.FD.DEV.NAME
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>LDYA L.FD.DEV
>SYSCALL MKDEV
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.9 rts
*--------------------------------------
Dev.ParseArgs >LDYA ARGS
>STYA ZPArgPTR
lda (ZPArgPTR)
bne .1
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lda A2osX.RANDOM16
eor A2osX.TIMER16
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sta DCB+S.DCB.NIC.MAC+3
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eor A2osX.RANDOM16+1
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sta DCB+S.DCB.NIC.MAC+4
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eor A2osX.TIMER16+1
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sta DCB+S.DCB.NIC.MAC+5
clc
rts
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.1 >PUSHW L.MAC5
>PUSHW L.MAC4
>PUSHW L.MAC3
>PUSHW L.MAC2
>PUSHW L.MAC1
>PUSHW L.MAC0
>PUSHBI 12 6 x byte PTRs
>PUSHW L.SSCANF.MAC
>LDYA ZPArgPtr
>SYSCALL sscanf
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bcc .8
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lda #E.SYN
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sec
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.8 rts
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*--------------------------------------
CS.END
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ARGS .BS 2
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MSG.DETECT .AZ "UtherNet/CS8900A Driver."
MSG.DETECT.OK .AZ "UtherNet/CS8900A Installed As Device : %s\r\n"
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MSG.DETECT.KO .AZ "Hardware Not Found."
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SSCANF.MAC .AZ "%h:%h:%h:%h:%h:%h"
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*--------------------------------------
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FD.DEV .DA #S.FD.T.CDEV
.DA #0 HANDLER
.DA #0 BUSID
.DA #0 DEVID
.DA 0 BUSPTR
.BS 2 DRVPTR
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.DA 0 DCBPTR
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.DA 0 BUFPTR
FD.DEV.NAME .AZ "ETH7"
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*--------------------------------------
* Driver Code
*--------------------------------------
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ZPIOCTL .EQ ZPDRV
ZPBufPtr .EQ ZPDRV+2
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Counter .EQ ZPDRV+4
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*--------------------------------------
DRV.CS.START cld
jmp (.1,x)
.1 .DA STATUS
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA A2osX.BADCALL
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.DA A2osX.BADCALL
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.DA A2osX.BADCALL
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.DA OPEN
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.DA CLOSE
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.DA READ
.DA WRITE
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.DA 0 end or relocation
*--------------------------------------
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STATUS >STYA ZPIOCTL
ldy #S.IOCTL.STATCODE
lda (ZPIOCTL),y
beq .1
cmp #S.IOCTL.STATCODE.GETDIB
bne STATUS.DCB
ldx #S.DIB-1
.HS 2C bit abs
.1 ldx #3
ldy #S.IOCTL.BUFPTR
lda (ZPIOCTL),y
sta .3+1
iny
lda (ZPIOCTL),y
sta .3+2
.2 lda DIB,x
.3 sta $ffff,x SELF MODIFIED
dex
bpl .2
clc
rts
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STATUS.DCB cmp #S.IOCTL.STATCODE.GETDCB
bne STATUS.9
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stz DCB+S.DCB.NIC.LINK
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ldx DEVSLOTx0
lda /PP.LineST
sta PacketPagePTR+1,x
lda #PP.LineST
sta PacketPagePTR,x
lda PacketPageDATA+1,x
lda PacketPageDATA,x
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and #PP.LineST.LinkOK
beq .1
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lda #S.DCB.NIC.LINK.OK
tsb DCB+S.DCB.NIC.LINK
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lda /PP.TestCTL
sta PacketPagePTR+1,x
lda #PP.TestCTL
sta PacketPagePTR,x
lda PacketPageDATA+1,x
ldy PacketPageDATA,x
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and /PP.TestCTL.FDX
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beq .1
lda #S.DCB.NIC.LINK.FD
tsb DCB+S.DCB.NIC.LINK
.1 ldy #S.IOCTL.BUFPTR
lda (ZPIOCTL),y
sta .3+1
iny
lda (ZPIOCTL),y
sta .3+2
ldx #S.DCB.NIC-1
.2 lda DCB,x
.3 sta $ffff,x SELF MODIFIED
dex
bpl .2
clc
rts
STATUS.9 lda #MLI.E.BADCTL
sec
rts
*--------------------------------------
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OPEN lda #S.DIB.S.OPENED
bit DIB+S.DIB.S
bne .9
jsr CLOSE
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* ldx DEVSLOTx0 Done by CLOSE
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lda /PP.RxCTL
sta PacketPagePTR+1,x
lda #PP.RxCTL
sta PacketPagePTR,x
lda /PP.RxCTL.LID+PP.RxCTL.RxOKA+PP.RxCTL.IA+PP.RxCTL.BroadcastA+PP.RxCTL.RuntA
sta PacketPageDATA+1,x
lda #PP.RxCTL.LID+PP.RxCTL.RxOKA+PP.RxCTL.IA+PP.RxCTL.BroadcastA+PP.RxCTL.RuntA
sta PacketPageDATA,x
lda /PP.MAC
sta PacketPagePTR+1,x
lda #PP.MAC
sta PacketPagePTR,x
>LDYA DCB+S.DCB.NIC.MAC
>STYA PacketPageDATA,x
>LDYAI PP.MAC+2
>STYA PacketPagePTR,x
>LDYA DCB+S.DCB.NIC.MAC+2
>STYA PacketPageDATA,x
>LDYAI PP.MAC+4
>STYA PacketPagePTR,x
>LDYA DCB+S.DCB.NIC.MAC+4
>STYA PacketPageDATA,x
lda /PP.LineCTL
sta PacketPagePTR+1,x
lda #PP.LineCTL
sta PacketPagePTR,x
lda /PP.LineCTL.LID+PP.LineCTL.SerRxOn+PP.LineCTL.SerTxOn+PP.LineCTL.10BaseT
sta PacketPageDATA+1,x
lda #PP.LineCTL.LID+PP.LineCTL.SerRxOn+PP.LineCTL.SerTxOn+PP.LineCTL.10BaseT
sta PacketPageDATA,x
lda #S.DIB.S.OPENED
tsb DIB+S.DIB.S
clc
rts
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.9 lda #MLI.E.OPEN
sec
rts
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*--------------------------------------
CLOSE ldx DEVSLOTx0
lda /PP.SelfCTL
sta PacketPagePTR+1,x
lda #PP.SelfCTL
sta PacketPagePTR,x
lda /PP.SelfCTL.LID+PP.SelfCTL.RESET
sta PacketPageDATA+1,x
lda #PP.SelfCTL.LID+PP.SelfCTL.RESET
sta PacketPageDATA,x
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lda /PP.SelfST
sta PacketPagePTR+1,x
lda #PP.SelfST
sta PacketPagePTR,x
ldy #0
.1 lda PacketPageDATA+1,x
lda PacketPageDATA,x
and #PP.SelfST.InitDone
bne .8
iny
bne .1
.8 lda #S.DIB.S.OPENED
trb DIB+S.DIB.S
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clc
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rts
*--------------------------------------
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READ php
sei
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>STYA ZPIOCTL
ldx DEVSLOTx0
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lda /PP.RxEvent
sta PacketPagePTR+1,x
lda #PP.RxEvent
sta PacketPagePTR,x
lda PacketPageDATA+1,x
ldy PacketPageDATA,x
and /PP.RxEvent.RxOK+PP.RxEvent.IA+PP.RxEvent.Brdcast+PP.RxEvent.Runt
bne .1
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lda #MLI.E.EOF
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.9 plp
sec
rts
.1 lda RTDATA+1,x discard RxStatus
lda RTDATA,x
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lda RTDATA+1,x get RxLength
ldy #S.IOCTL.BYTECNT+1
sta (ZPIOCTL),y
pha
eor #$ff
sta Counter+1
lda RTDATA,x
dey
sta (ZPIOCTL),y
tay
eor #$ff
sta Counter
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pla
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>SYSCALL getmem
bcs .9
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>STYA ZPBufPtr
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phx
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phy
ldy #S.IOCTL.BUFPTR+1
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sta (ZPIOCTL),y
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dey
pla
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sta (ZPIOCTL),y
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ldx DEVSLOTx0
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ldy #0
.2 inc Counter
bne .3
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inc Counter+1
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beq .8
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.3 lda RTDATA,x
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sta (ZPBufPtr),y
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iny
bne .4
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inc ZPBufPtr+1
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.4 inc Counter
bne .5
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inc Counter+1
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beq .8
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.5 lda RTDATA+1,x
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sta (ZPBufPtr),y
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iny
bne .2
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inc ZPBufPtr+1
bne .2
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.8 pla hMem
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plp
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clc
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rts
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*--------------------------------------
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WRITE php
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sei
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>STYA ZPIOCTL
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ldx DEVSLOTx0
lda /PP.TxCMD.LID+PP.TxCMD.TxStartFULL
sta TxCMD+1,x
lda #PP.TxCMD.LID+PP.TxCMD.TxStartFULL
sta TxCMD,x
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ldy #S.IOCTL.BYTECNT+1
lda (ZPIOCTL),y
sta TxLength+1,x
eor #$ff
sta Counter+1
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dey
lda (ZPIOCTL),y
sta TxLength,x
eor #$ff
sta Counter
lda /PP.BusST
sta PacketPagePTR+1,x
lda #PP.BusST
sta PacketPagePTR,x
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ldy #16
.1 lda PacketPageDATA+1,x
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and /PP.BusST.Rdy4TxNOW
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bne WRITE.1
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lda PacketPageDATA,x
and #PP.BusST.TxBidErr
bne .9
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dey
bne .1
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.9 lda #MLI.E.EOF
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plp
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sec
rts
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WRITE.1 ldy #S.IOCTL.BUFPTR
lda (ZPIOCTL),y
sta ZPBufPtr
iny
lda (ZPIOCTL),y
sta ZPBufPtr+1
ldx #5
ldy #S.ETH.SRCMAC+5
.10 lda DCB+S.DCB.NIC.MAC,x
sta (ZPBufPtr),y
dey
dex
bpl .10
ldx DEVSLOTx0
ldy #0
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.1 inc Counter
bne .2
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inc Counter+1
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beq .8
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.2 lda (ZPBufPtr),y
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sta RTDATA,x
iny
bne .3
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inc ZPBufPtr+1
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.3 inc Counter
bne .4
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inc Counter+1
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beq .8
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.4 lda (ZPBufPtr),y
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sta RTDATA+1,x
iny
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bne .1
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inc ZPBufPtr+1
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bne .1
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.8 plp
clc
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rts
*--------------------------------------
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DRV.CS.END
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DEVSLOTx0 .BS 1
*--------------------------------------
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DIB .DA #0
.DA #0,#0,#0 size
>PSTR "Uthernet/CS8900A"
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.DA #S.DIB.T.NIC
.BS 1 Subtype
.BS 2 Version
*--------------------------------------
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DCB .DA #S.DCB.T.NIC
.BS 1 FLAGS
.BS 1 LINK
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.DA #S.DCB.NIC.SPEED.10
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.HS 000E3A123456 MAC
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.BS 12 IP/MASK/GW
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*--------------------------------------
DRV.END
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MAN
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SAVE USR/SRC/DRV/UTHERNET.DRV.S
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ASM