mirror of
https://github.com/A2osX/A2osX.git
synced 2024-10-31 23:09:33 +00:00
532 lines
9.5 KiB
Plaintext
532 lines
9.5 KiB
Plaintext
NEW
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AUTO 3,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF drv/uthernet2.drv
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*--------------------------------------
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.INB inc/macros.i
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.INB inc/a2osx.i
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.INB inc/kernel.i
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.INB inc/mli.e.i
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.INB inc/nic.i
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.INB inc/nic.w5100.i
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.INB inc/eth.i
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*--------------------------------------
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ZPArgPtr .EQ ZPBIN
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DEVSLOT0x .EQ ZPBIN+2
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp Dev.Detect cld,jmp abs=DRV
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 DRV Layout Version 1
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.DA 0
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.DA CS.END-CS.START Code Length
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.DA 0
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.DA 0
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.DA 0
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*--------------------------------------
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* Relocation Table
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*--------------------------------------
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L.MSG.DETECT .DA MSG.DETECT
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L.MSG.DETECT.OK .DA MSG.DETECT.OK
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L.MSG.DETECT.KO .DA MSG.DETECT.KO
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L.DRV.CS.START .DA DRV.CS.START
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L.FD.DEV .DA FD.DEV
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L.FD.DEV.NAME .DA FD.DEV.NAME
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L.SSCANF.MAC .DA SSCANF.MAC
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L.MAC0 .DA DCB+S.DCB.NIC.MAC
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L.MAC1 .DA DCB+S.DCB.NIC.MAC+1
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L.MAC2 .DA DCB+S.DCB.NIC.MAC+2
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L.MAC3 .DA DCB+S.DCB.NIC.MAC+3
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L.MAC4 .DA DCB+S.DCB.NIC.MAC+4
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L.MAC5 .DA DCB+S.DCB.NIC.MAC+5
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.DA 0 End Of Reloc Table
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*--------------------------------------
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Dev.Detect >STYA ZPArgPtr
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>LDYA L.MSG.DETECT
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>SYSCALL PutS
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ldx #$70+$88
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ldy #7
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.1 lda A2osX.S,y IO based detection, avoid scanning in Disk Controller IO!!!!
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bne .2
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lda #W5100.MR.RST
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sta W5100.MR,x
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lda #0
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.10 dec give some time....
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bne .10
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lda #W5100.MR.PB+W5100.MR.AI+W5100.MR.IND
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sta W5100.MR,x
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pha
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pla
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lda W5100.MR,x
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cmp #W5100.MR.PB+W5100.MR.AI+W5100.MR.IND
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bne .2
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>AR.SELECT RTR
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lda W5100.DR,x Get RTR HI
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cmp /2000
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bne .2
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lda W5100.DR,x Get RTR LO
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cmp #2000
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beq .3
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.2 dec FD.DEV.NAME+3
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txa
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sec
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sbc #$10
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tax
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dey
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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
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rts
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.3 stx DEVSLOTx0
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sty DEVSLOT0x
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jsr Dev.ParseArgs
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bcs .99
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>PUSHW L.MSG.DETECT.OK
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>PUSHW L.FD.DEV.NAME
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>PUSHBI 2
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>SYSCALL PrintF
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>PUSHWI DRV.END
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>PUSHWI DRV.CS.END-DRV.CS.START
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>PUSHWI DRV.CS.START
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>LDYA L.DRV.CS.START
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>SYSCALL InsDrv
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.99 bcs .9
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>STYA FD.DEV+S.FD.DEV.DRVPTR
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>PUSHW L.FD.DEV
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>PUSHW L.FD.DEV.NAME
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>SYSCALL MKDev
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bcs .9
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ldx DEVSLOT0x
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lda #A2osX.S.NIC
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sta A2osX.S,x
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* clc
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.9 rts
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*--------------------------------------
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Dev.ParseArgs lda (ZPArgPtr)
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bne .1
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lda A2osX.RANDOM16
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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
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clc
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rts
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.1 >PUSHW ZPArgPtr
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>PUSHW L.SSCANF.MAC
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ldx #0
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.2 >PUSHW L.MAC0,x
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inx
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inx
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cpx #12
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bne .2
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>PUSHBI 12 6 x byte PTRs
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>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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*--------------------------------------
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CS.END
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MSG.DETECT .CZ "UtherNet2/W5100 Driver."
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MSG.DETECT.OK .CZ "UtherNet2/W5100 Installed As Device : %s\r\n"
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MSG.DETECT.KO .CZ "Hardware Not Found."
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SSCANF.MAC .CZ "%h:%h:%h:%h:%h:%h"
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*--------------------------------------
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FD.DEV .DA #S.FD.T.CDEV
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.DA #0 HANDLER
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.DA #0 BUSID
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.DA #0 DEVID
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.DA 0 BUSPTR
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.BS 2 DRVPTR
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.DA 0 DCBPTR
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.DA 0 BUFPTR
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FD.DEV.NAME .AZ "eth7"
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*--------------------------------------
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* Driver Code
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*--------------------------------------
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ZPIOCTL .EQ ZPDRV
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ZPBufPtr .EQ ZPDRV+2
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Counter .EQ ZPDRV+4
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Offset .EQ ZPDRV+6
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RXTX.Size .EQ ZPDRV+8
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BUF.Size .EQ ZPDRV+10
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*--------------------------------------
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DRV.CS.START cld
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jmp (.1,x)
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.1 .DA STATUS
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.DA A2osX.BADCALL
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.DA A2osX.BADCALL
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.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
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.DA WRITE
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.DA 0 end or relocation
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*--------------------------------------
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STATUS jsr GET.IOCTLBUFPTR
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ldy #S.IOCTL.S
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lda (ZPIOCTL),y
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beq .1
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cmp #S.IOCTL.S.GETDIB
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bne STATUS.DCB
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ldy #S.DIB-1
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.HS 2C bit abs
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.1 ldy #3
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.2 lda DIB,y
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sta (ZPBufPtr),y
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dey
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bpl .2
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clc
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rts
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STATUS.DCB cmp #S.IOCTL.S.GETDCB
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bne STATUS.9
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ldy #S.DCB.NIC-1
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.1 lda DCB,y
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sta (ZPBufPtr),y
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dey
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bpl .1
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clc
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rts
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STATUS.9 lda #MLI.E.BADCTL
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sec
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rts
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*--------------------------------------
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OPEN lda #S.DIB.S.OPENED
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bit DIB+S.DIB.S
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beq OPEN.I
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lda #MLI.E.OPEN
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sec
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rts
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OPEN.I jsr CLOSE
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* ldx DEVSLOTx0 Done by CLOSE
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lda #W5100.MR.PB+W5100.MR.AI+W5100.MR.IND
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sta W5100.MR,x
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>AR.SELECT SHAR
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ldy #0
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.1 lda DCB+S.DCB.NIC.MAC,y
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sta W5100.DR,x
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iny
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cpy #6
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bne .1
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>AR.SELECT RMSR
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lda #3 8k,0k,0k,0k
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sta W5100.DR,x ...for Socket RX Buffers
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sta W5100.DR,x ...for Socket TX Buffers
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>AR.SELECT S0.MR
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lda #W5100.AR.Sn.MR.MACRAW+W5100.AR.Sn.MR.MF
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sta W5100.DR,x
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>AR.SELECT S0.CR
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lda #W5100.AR.Sn.CR.OPEN
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sta W5100.DR,x
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lda #S.DIB.S.OPENED
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tsb DIB+S.DIB.S
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clc
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rts
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*--------------------------------------
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CLOSE ldx DEVSLOTx0
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lda #W5100.MR.RST
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sta W5100.MR,x
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lda $C019 we can use VBL as we are not on //c
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.1 eor $C019
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bpl .1
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lda $C019
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.2 eor $C019
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bpl .2
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lda #S.DIB.S.OPENED
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trb DIB+S.DIB.S
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clc
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rts
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*--------------------------------------
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READ php
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sei
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>STYA ZPIOCTL
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ldx DEVSLOTx0
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>AR.SELECT S0.RX.RSR
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lda W5100.DR,x get the received size HI
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nop
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nop
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ora W5100.DR,x LO
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bne .1
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jmp READWRITE.NODATA
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.1 >AR.SELECT S0.RX.RD
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lda W5100.DR,x get the received ptr HI
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sta Offset+1
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ldy W5100.DR,x get the received ptr LO
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sty Offset
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and /RXTX.MASK
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ora /RX.BASE
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sta W5100.AR,x
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tya
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sta W5100.AR+1,x
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lda W5100.DR,x get RX.Size HI (Frame size + 2)
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sta RXTX.Size+1
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lda W5100.DR,x get RX.Size LO
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sta RXTX.Size
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ldy #S.IOCTL.BYTECNT
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sec
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sbc #2 MACRAW:strip 2 bytes Header from Size
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sta (ZPIOCTL),y
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sta BUF.Size
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eor #$ff
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sta Counter
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iny
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lda RXTX.Size+1
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sbc #0
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sta (ZPIOCTL),y
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sta BUF.Size+1
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eor #$ff
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sta Counter+1
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>LDYA BUF.Size
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>SYSCALL2 GetMem
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bcs READWRITE.9
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>STYA ZPBufPtr
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phx
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phy
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ldy #S.IOCTL.BUFPTR+1
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sta (ZPIOCTL),y
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dey
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pla
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sta (ZPIOCTL),y
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ldy #0
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ldx DEVSLOTx0
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.2 inc Counter
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bne .3
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inc Counter+1
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beq .4
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.3 lda W5100.DR,x
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sta (ZPBufPtr),y
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iny
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bne .2
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inc ZPBufPtr+1
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bra .2
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.4 >AR.SELECT S0.RX.RD
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lda Offset
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clc
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adc RXTX.Size
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pha save LO
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lda Offset+1
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adc RXTX.Size+1
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sta W5100.DR,x write HI
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pla
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sta W5100.DR,x write LO
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>AR.SELECT S0.CR
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lda #W5100.AR.Sn.CR.RCVD
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sta W5100.DR,x
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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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READWRITE.NODATA
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lda #E.NODATA
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READWRITE.9 plp
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sec
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rts
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*--------------------------------------
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WRITE php
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sei
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jsr GET.IOCTLBUFPTR
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ldy #S.IOCTL.BYTECNT
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lda (ZPIOCTL),y
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sta RXTX.Size
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eor #$ff
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sta Counter
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iny
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lda (ZPIOCTL),y
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sta RXTX.Size+1
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eor #$ff
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sta Counter+1
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ldx DEVSLOTx0
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>AR.SELECT S0.TX.FSR
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lda W5100.DR,x get send size HI
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nop
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nop
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ldy W5100.DR,x LO
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cpy RXTX.Size
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sbc RXTX.Size+1
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bcc READWRITE.NODATA
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ldy #S.ETH.SRCMAC+5
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ldx #5
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.1 lda DCB+S.DCB.NIC.MAC,x
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sta (ZPBufPtr),y
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dey
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dex
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bpl .1
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ldx DEVSLOTx0
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>AR.SELECT S0.TX.WR
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lda W5100.DR,x Get HI
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nop
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nop
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ldy W5100.DR,x Get LO
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and /RXTX.MASK
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ora /TX.BASE
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sta W5100.AR,x Write HI
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sta Offset+1
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tya
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sta W5100.AR+1,x Write LO
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sta Offset
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ldy #0
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.2 inc Counter
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bne .3
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inc Counter+1
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beq .8
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.3 lda (ZPBufPtr),y
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sta W5100.DR,x
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iny
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bne .2
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inc ZPBufPtr+1
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bra .2
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.8 >AR.SELECT S0.TX.WR
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lda Offset
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clc
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adc RXTX.Size
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pha save LO
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lda Offset+1
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adc RXTX.Size+1
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sta W5100.DR,x write HI
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pla
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sta W5100.DR,x write LO
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>AR.SELECT S0.CR
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lda #W5100.AR.Sn.CR.SEND
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sta W5100.DR,x
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plp
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clc
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rts
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*--------------------------------------
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GET.IOCTLBUFPTR >STYA ZPIOCTL
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ldy #S.IOCTL.BUFPTR
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lda (ZPIOCTL),y
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sta ZPBufPtr
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iny
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lda (ZPIOCTL),y
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sta ZPBufPtr+1
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rts
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*--------------------------------------
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DRV.CS.END
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DEVSLOTx0 .BS 1
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*--------------------------------------
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DIB .DA #0
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.DA #0,#0,#0 size
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.PS "UtherNetII/W5100"
|
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.DA #S.DIB.T.NIC
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.BS 1 Subtype
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.DA K.VER Version
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*--------------------------------------
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DCB .DA #S.DCB.T.NIC
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.DA #0 FLAGS
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.DA #S.DCB.NIC.LINK.OK+S.DCB.NIC.LINK.FD
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.DA #S.DCB.NIC.SPEED.100
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.HS 0008DC123456 MAC
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.BS 12 IP/MASK/GW
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*--------------------------------------
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DRV.END
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MAN
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SAVE usr/src/drv/uthernet2.drv.s
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ASM
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