A2osX/DRV/LANCEGS.DRV.S.txt

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2017-12-22 21:24:30 +00:00
NEW
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PREFIX
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AUTO 4,1
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.LIST OFF
.OP 65C02
.OR $2000
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.TF DRV/LANCEGS.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.91C96.I
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.INB INC/ETH.I
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*--------------------------------------
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ZPArgPtr .EQ ZPDRV
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*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
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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*--------------------------------------
* 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
.1 lda A2osX.S,y IO based detection, avoid scanning in Disk Controller IO!!!!
bne .2
lda L91C96.BSR+1,x
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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
bne .1
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>LDYA L.MSG.DETECT.KO
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>SYSCALL puts
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lda #MLI.E.NODEV
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sec
rts
.3 stx DEVSLOTx0
lda #A2osX.S.NIC
sta A2osX.S,y
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jsr Dev.ParseArgs
bcs .9
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.8 >PUSHW L.FD.DEV.NAME
>PUSHBI 2
>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
.9 rts
*--------------------------------------
Dev.ParseArgs >LDYA ARGS
>STYA ZPArgPTR
lda (ZPArgPTR)
bne .1
lda A2osX.RANDOM16
eor A2osX.TIMER16
sta DCB+S.DCB.NIC.MAC+3
eor A2osX.RANDOM16+1
sta DCB+S.DCB.NIC.MAC+4
eor A2osX.TIMER16+1
sta DCB+S.DCB.NIC.MAC+5
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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
bcc .8
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lda #E.SYN
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sec
.8 rts
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*--------------------------------------
CS.END
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ARGS .BS 2
MSG.DETECT .AZ "LanCeGS/SMSC91C96 Driver."
MSG.DETECT.OK .AZ "LanCeGS/SMSC91C96 Installed As Device : %S\r\n"
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MSG.DETECT.KO .AZ "Hardware Not Found."
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
Size .EQ ZPDRV+4
Counter .EQ ZPDRV+6
*--------------------------------------
DRV.CS.START cld
jmp (.1,x)
.1 .DA STATUS
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA A2osX.BADCALL
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.DA OPEN
.DA CLOSE
.DA READ
.DA WRITE
.DA A2osX.BADCALL IRQ
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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
STATUS.DCB cmp #S.IOCTL.STATCODE.GETDCB
bne STATUS.9
stz DCB+S.DCB.NIC.LINK
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ldx DEVSLOTx0
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stz L91C96.BSR,x
lda L91C96.0.EPHSR,x
lda L91C96.0.EPHSR+1,x
and /L91C96.0.EPHSR.LINK
beq .1
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lda #S.DCB.NIC.LINK.OK
tsb DCB+S.DCB.NIC.LINK
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lda L91C96.0.TCR,x
lda L91C96.0.TCR+1,x
and /L91C96.0.TCR.FDSE
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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 .4+1
iny
lda (ZPIOCTL),y
sta .4+2
ldx #S.DCB.NIC-1
.3 lda DCB,x
.4 sta $ffff,x SELF MODIFIED
dex
bpl .3
clc
rts
STATUS.9 lda #MLI.E.BADCTL
sec
rts
*--------------------------------------
OPEN jsr CLOSE
* ldx DEVSLOTx0 Done by CLOSE
lda #L91C96.0.TCR.FDSE+L91C96.0.TCR.FUDPLX+L91C96.0.TCR.PADEN+L91C96.0.TCR.TXENA
sta L91C96.0.TCR,x
lda /L91C96.0.TCR.FDSE+L91C96.0.TCR.FUDPLX+L91C96.0.TCR.PADEN+L91C96.0.TCR.TXENA
sta L91C96.0.TCR+1,x
lda #L91C96.0.RCR.NOCRC+L91C96.0.RCR.RXENA+L91C96.0.RCR.ALLMUL
sta L91C96.0.RCR,x
lda /L91C96.0.RCR.NOCRC+L91C96.0.RCR.RXENA+L91C96.0.RCR.ALLMUL
sta L91C96.0.RCR+1,x
lda #1
sta L91C96.BSR,x
lda #L91C96.1.CR.NOWAIT
sta L91C96.1.CR,x
lda /L91C96.1.CR.NOWAIT
sta L91C96.1.CR+1,x
ldy #0
bit USERMAC
bmi .2
.1 lda L91C96.1.IAR,x
sta S.DCB.NIC.MAC,y
inx
iny
cpy #6
bne .1
bra .3
.2 lda S.DCB.NIC.MAC,y
sta L91C96.1.IAR,x
inx
iny
cpy #6
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bne .2
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.3 ldx DEVSLOTx0
lda #L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
sta L91C96.1.CTR,x
lda /L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
sta L91C96.1.CTR+1,x
clc
rts
*--------------------------------------
CLOSE ldx DEVSLOTx0
stz L91C96.BSR,x
lda #L91C96.0.RCR.RESET
sta L91C96.0.RCR,x
lda /L91C96.0.RCR.RESET
sta L91C96.0.RCR+1,x
lda $C019 we can use VBL as we are not on //c
.1 eor $C019
bpl .1
lda $C019
.2 eor $C019
bpl .2
stz L91C96.0.RCR,x
stz L91C96.0.RCR+1,x
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clc
rts
*--------------------------------------
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READ php
sei
>STYA ZPIOCTL
ldx DEVSLOTx0
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lda #2
sta L91C96.BSR,x
lda L91C96.2.IST,x
and #L91C96.2.IST.RCV
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bne .1
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lda #MLI.E.EOF
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.9 plp
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sec
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rts
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.1 lda #L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
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sta L91C96.2.PTR,x
lda /L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
sta L91C96.2.PTR+1,x
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lda L91C96.2.DATA,x Get Frame Status Word (lo)
lda L91C96.2.DATA,x Get Frame Status Word (HI)
asl
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asl
asl #$10 = odd?
asl if odd, CS
lda L91C96.2.DATA,x get lo byte count
sbc #5 compute Size
sta Size
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pha
ldy #S.IOCTL.BYTECNT
sta (ZPIOCTL),y
eor #$ff
sta Counter
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lda L91C96.2.DATA,x get hi byte count
sbc #0
sta Size+1
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iny
sta (ZPIOCTL),y
eor #$ff
sta Counter+1
eor #$ff
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ply
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>SYSCALL getmem
bcs .9
>STYA ZPBufPtr
stx .8+1
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phy
ldy #S.IOCTL.BUFPTR+1
sta (ZPIOCTL),y
dey
pla
sta (ZPIOCTL),y
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ldx DEVSLOTx0
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ldy #0
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.2 inc Counter
bne .21
inc Counter+1
beq .4
.21 lda L91C96.2.DATA,x
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sta (ZPBufPtr),y
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iny
bne .3
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inc ZPBufPtr+1
.3 inc Counter
bne .31
inc Counter+1
beq .4
.31 lda L91C96.2.DATA,x
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sta (ZPBufPtr),y
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iny
bne .2
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inc ZPBufPtr+1
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bra .2
.4 lda #L91C96.2.MMUCR.REMREL
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sta L91C96.2.MMUCR,x
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.8 lda #$ff hMem
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plp
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clc
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rts
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*--------------------------------------
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WRITE php
sei
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>STYA ZPIOCTL
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ldx DEVSLOTx0
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lda #2
sta L91C96.BSR,x
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ldy #S.IOCTL.BYTECNT
lda (ZPIOCTL),y
sta Size
eor #$ff
sta Counter
eor #$ff
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clc
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adc #6 3 WORDs more Status, len & Control
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bne .10
clc LO byte is 0, no need for an extra empty page
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.10 iny
lda (ZPIOCTL),y
sta Size+1
eor #$ff
sta Counter+1
eor #$ff
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adc #0
.1 ora #L91C96.2.MMUCR.ALLOC
sta L91C96.2.MMUCR,x
ldy #0
.2 lda L91C96.2.IST,x
and #L91C96.2.IST.ALLOC
bne .3
dey
bne .2
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lda #MLI.E.EOF
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.9 plp
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sec
rts
.3 lda L91C96.2.AAR,x
sta L91C96.2.PNR,x
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lda #L91C96.2.PTR.AUTOI
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sta L91C96.2.PTR,x
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lda /L91C96.2.PTR.AUTOI
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sta L91C96.2.PTR+1,x
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ldy #S.IOCTL.BUFPTR
lda (ZPIOCTL),y
sta ZPBufPtr
iny
lda (ZPIOCTL),y
sta ZPBufPtr+1
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ldy #S.ETH.SRCMAC+5 Add Src MAC Address
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ldx #5
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.4 lda S.DCB.NIC.MAC,x
sta (ZPBufPtr),y
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dey
dex
bpl .4
ldx DEVSLOTx0
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stz L91C96.2.DATA,x write fake status word
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stz L91C96.2.DATA,x
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lda Size
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pha
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eor #$01
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lsr
pla
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adc #$05 add 5 if odd, 6 if even
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sta L91C96.2.DATA,x
lda Size+1
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adc #$00
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sta L91C96.2.DATA,x
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ldy #2
.5 inc Counter
bne .51
inc Counter+1
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beq .70
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.51 lda (ZPBufPtr),y
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iny
bne .6
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inc ZPBufPtr+1
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.6 inc Counter
bne .61
inc Counter+1
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beq .71
.61 sta L91C96.2.DATA,x
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lda (ZPBufPtr),y
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sta L91C96.2.DATA,x
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iny
bne .5
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inc ZPBufPtr+1
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bra .5
.70 lda #0
sta L91C96.2.DATA,x
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sta L91C96.2.DATA,x
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bra .8
.71 sta L91C96.2.DATA,x
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lda #%00100000 signal an extra (odd) byte
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sta L91C96.2.DATA,x
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.8 lda #L91C96.2.MMUCR.NQPKT
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sta L91C96.2.MMUCR,x
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plp
clc
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rts
*--------------------------------------
DRV.CS.END
DEVSLOTx0 .BS 1
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USERMAC .BS 1
*--------------------------------------
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DIB .DA #0
.DA #0,#0,#0 size
>PSTR "LanCEGS/L91C96"
.BS 1
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.DA #S.DIB.T.NIC
.BS 1 Subtype
.BS 2 Version
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*--------------------------------------
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DCB .DA #S.DCB.T.NIC
.BS 1 FLAGS
.BS 1 LINK
.DA #S.DCB.NIC.SPEED.10
.HS 000E3A123456 MAC
.BS 12 IP/MASK/GW
*--------------------------------------
DRV.END
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MAN
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SAVE USR/SRC/DRV/LANCEGS.DRV.S
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ASM