mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-23 07:35:19 +00:00
454 lines
8.7 KiB
Plaintext
454 lines
8.7 KiB
Plaintext
NEW
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PREFIX /A2OSX.BUILD
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AUTO 4,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF /A2OSX.BUILD/DRV/UTHERNET.DRV
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*--------------------------------------
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.INB /A2OSX.BUILD/INC/MACROS.I
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.INB /A2OSX.BUILD/INC/A2OSX.I
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.INB /A2OSX.BUILD/INC/MLI.ERR.I
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.INB /A2OSX.BUILD/INC/NIC.I
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.INB /A2OSX.BUILD/INC/NIC.8900A.I
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.INB /A2OSX.BUILD/INC/LIBTCPIP.I
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*--------------------------------------
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ZPTmpPTR .EQ ZPDRV
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Size .EQ ZPDRV+2
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Counter .EQ ZPDRV+4
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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 DEV.HEADER-CS.START Device Header Offset
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.DA DRV.CS.START-CS.START Driver Code Offset
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.DA DRV.CS.END-DRV.CS.START Drv Code Length
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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.DEV.HEADER.NAME .DA DEV.HEADER.NAME
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.DA 0 End Of Reloc Table
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*--------------------------------------
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Dev.Detect >STYA ARGS
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>LDYA L.MSG.DETECT
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>SYSCALL PrintF.YA
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ldx #$70
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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 /PP.ID
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sta PacketPagePTR+1,x
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lda #PP.ID
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sta PacketPagePTR,x
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lda PacketPageDATA+1,x
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cmp /DEVID
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bne .2
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lda PacketPageDATA,x
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cmp #DEVID
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beq .3
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.2 dec DEV.HEADER.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 PrintF.YA
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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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lda #A2osX.S.NIC
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sta A2osX.S,y
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lda /PP.REVISION Get Revision# of ths chip...
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sta PacketPagePTR+1,x
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lda #PP.REVISION
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sta PacketPagePTR,x
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lda PacketPageDATA+1,x
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sta DEVSTAT+S.DSTAT.VERSION+1 set Hardware version
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lda PacketPageDATA,x
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sta DEVSTAT+S.DSTAT.VERSION
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>LDYA ARGS
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>STYA ZPTmpPTR
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lda (ZPTmpPTR)
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bne .4
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lda #$00
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sta MAC
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lda #$0E
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sta MAC+1
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lda #$3A
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sta MAC+2
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lda A2osX.RANDOM16
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eor A2osX.TIMER16
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sta MAC+3
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eor A2osX.RANDOM16+1
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sta MAC+4
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eor A2osX.TIMER16+1
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sta MAC+5
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bra .8
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.4 jsr DecodeMac
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bcc .8
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lda #K.E.SYN
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sec
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rts
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.8 >PUSHW L.DEV.HEADER.NAME
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>LDYA L.MSG.DETECT.OK
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>SYSCALL PrintF.YA
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clc
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rts
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*--------------------------------------
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.INB /A2OSX.SRC/DRV/X.NET.DRV.S
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*--------------------------------------
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CS.END
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MSG.DETECT .AZ "UtherNet/CS8900A Driver.\r\n"
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MSG.DETECT.OK .AZ "UtherNet/CS8900A Installed As Device : %s\r\n"
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MSG.DETECT.KO .AZ "Hardware Not Found.\r\n"
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ARGS .BS 2
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*--------------------------------------
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* Device Header (16 Bytes)
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*--------------------------------------
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DEV.HEADER cld
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jmp (DRV.CS.START,x)
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.DA #0
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.BS 6
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DEV.HEADER.NAME .AZ "ETH7" NAME
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*--------------------------------------
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* Driver Code
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*--------------------------------------
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DRV.CS.START .DA STATUS
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.DA READBLOCK
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.DA WRITEBLOCK
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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 A2osX.BADCALL
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.DA A2osX.BADCALL
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L.DEVSTAT .DA DEVSTAT
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.DA 0 end or relocation
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*--------------------------------------
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STATUS lda #S.DSTAT.NIC.STATUS.10
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sta LINK.STATUS
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ldx DEVSLOTx0
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lda /PP.LineST
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sta PacketPagePTR+1,x
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lda #PP.LineST
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sta PacketPagePTR,x
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lda PacketPageDATA+1,x
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lda PacketPageDATA,x
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and #PP.LineST.LinkOK
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beq .1
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lda LINK.STATUS
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ora #S.DSTAT.NIC.STATUS.OK
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sta LINK.STATUS
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.1 lda /PP.TestCTL
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sta PacketPagePTR+1,x
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lda #PP.TestCTL
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sta PacketPagePTR,x
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lda PacketPageDATA+1,x
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ldy PacketPageDATA,x
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and /PP.TestCTL.FDX
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beq .2
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lda LINK.STATUS
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ora #S.DSTAT.NIC.STATUS.FD
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sta LINK.STATUS
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.2 >LDYA L.DEVSTAT
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clc
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rts
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*--------------------------------------
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READBLOCK php
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sei
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ldx DEVSLOTx0
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lda /PP.RxEvent
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sta PacketPagePTR+1,x
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lda #PP.RxEvent
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sta PacketPagePTR,x
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lda PacketPageDATA+1,x
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ldy PacketPageDATA,x
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and /PP.RxEvent.RxOK+PP.RxEvent.IA+PP.RxEvent.Brdcast+PP.RxEvent.Runt
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bne .1
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lda #ERR.DEV.NOFRAME
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.9 plp
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sec
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rts
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.1 lda RTDATA+1,x discard RxStatus
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lda RTDATA,x
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lda RTDATA+1,x
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sta Size+1
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lda RTDATA,x get RxLength
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sta Size
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clc
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adc #2
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tay
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lda Size+1
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adc #0
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>SYSCALL GetMem.YA
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bcs .9
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>STYA ZPTmpPTR
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stx .8+1
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sty .8+3
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sta .8+5
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lda Size
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sta (ZPTmpPTR)
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eor #$ff
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sta Counter
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ldy #1
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lda Size+1
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sta (ZPTmpPTR),y
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eor #$ff
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sta Counter+1
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iny
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ldx DEVSLOTx0
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.2 inc Counter
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bne .3
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inc Counter+1
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beq .8
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.3 lda RTDATA,x
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sta (ZPTmpPTR),y
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iny
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bne .4
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inc ZPTmpPTR+1
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.4 inc Counter
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bne .5
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inc Counter+1
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beq .8
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.5 lda RTDATA+1,x
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sta (ZPTmpPTR),y
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iny
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bne .2
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inc ZPTmpPTR+1
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bne .2
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.8 ldx #$ff hMem
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ldy #$ff PtrLO
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lda #$ff PtrHI
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plp
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clc
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rts
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*--------------------------------------
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WRITEBLOCK php
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sei
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>STYA ZPTmpPTR
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ldx #5
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ldy #S.ETH.SRCMAC+5
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.10 lda MAC,x
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sta (ZPTmpPTR),y
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dey
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dex
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bpl .10
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ldx DEVSLOTx0
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lda /PP.TxCMD.LID+PP.TxCMD.TxStartFULL
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sta TxCMD+1,x
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lda #PP.TxCMD.LID+PP.TxCMD.TxStartFULL
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sta TxCMD,x
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ldy #1
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lda (ZPTmpPTR),y
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sta TxLength+1,x
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eor #$ff
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sta Counter+1
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lda (ZPTmpPTR)
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sta TxLength,x
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eor #$ff
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sta Counter
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lda /PP.BusST
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sta PacketPagePTR+1,x
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lda #PP.BusST
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sta PacketPagePTR,x
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ldy #16
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.1 lda PacketPageDATA+1,x
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and /PP.BusST.Rdy4TxNOW
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bne WRITEBLOCK.1
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lda PacketPageDATA,x
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and #PP.BusST.TxBidErr
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bne .9
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dey
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bne .1
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.9 lda #ERR.DEV.NOBUFFER
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plp
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sec
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rts
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WRITEBLOCK.1 ldy #2
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.1 inc Counter
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bne .2
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inc Counter+1
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beq .8
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.2 lda (ZPTmpPTR),y
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sta RTDATA,x
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iny
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bne .3
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inc ZPTmpPTR+1
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.3 inc Counter
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bne .4
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inc Counter+1
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beq .8
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.4 lda (ZPTmpPTR),y
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sta RTDATA+1,x
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iny
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bne .1
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inc ZPTmpPTR+1
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bne .1
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.8 plp
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clc
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rts
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*--------------------------------------
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OPEN jsr CLOSE
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lda /PP.RxCTL
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sta PacketPagePTR+1,x
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lda #PP.RxCTL
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sta PacketPagePTR,x
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lda /PP.RxCTL.LID+PP.RxCTL.RxOKA+PP.RxCTL.IA+PP.RxCTL.BroadcastA+PP.RxCTL.RuntA
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sta PacketPageDATA+1,x
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lda #PP.RxCTL.LID+PP.RxCTL.RxOKA+PP.RxCTL.IA+PP.RxCTL.BroadcastA+PP.RxCTL.RuntA
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sta PacketPageDATA,x
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lda /PP.MAC
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sta PacketPagePTR+1,x
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lda #PP.MAC
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sta PacketPagePTR,x
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>LDYA MAC
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>STYA PacketPageDATA,x
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>LDYAI PP.MAC+2
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>STYA PacketPagePTR,x
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>LDYA MAC+2
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>STYA PacketPageDATA,x
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>LDYAI PP.MAC+4
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>STYA PacketPagePTR,x
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>LDYA MAC+4
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>STYA PacketPageDATA,x
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lda /PP.LineCTL
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sta PacketPagePTR+1,x
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lda #PP.LineCTL
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sta PacketPagePTR,x
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lda /PP.LineCTL.LID+PP.LineCTL.SerRxOn+PP.LineCTL.SerTxOn+PP.LineCTL.10BaseT
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sta PacketPageDATA+1,x
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lda #PP.LineCTL.LID+PP.LineCTL.SerRxOn+PP.LineCTL.SerTxOn+PP.LineCTL.10BaseT
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sta PacketPageDATA,x
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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 /PP.SelfCTL
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sta PacketPagePTR+1,x
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lda #PP.SelfCTL
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sta PacketPagePTR,x
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lda /PP.SelfCTL.LID+PP.SelfCTL.RESET
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sta PacketPageDATA+1,x
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lda #PP.SelfCTL.LID+PP.SelfCTL.RESET
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sta PacketPageDATA,x
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lda /PP.SelfST
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sta PacketPagePTR+1,x
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lda #PP.SelfST
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sta PacketPagePTR,x
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ldy #0
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.1 lda PacketPageDATA+1,x
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lda PacketPageDATA,x
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and #PP.SelfST.InitDone
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bne .8
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iny
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bne .1
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.8 clc
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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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DEVSTAT .DA #0
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.BS 3 size
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>PSTR "Uthernet/CS8900A"
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.DA #S.DSTAT.T.NET
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.BS 1 Subtype
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.BS 2 Version
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*--------------------------------------
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FLAGS .DA #0
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LINK.STATUS .BS 1 OK/DUPLEX/SPEED
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MAC .BS 6
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MAN
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SAVE /A2OSX.SRC/DRV/UTHERNET.DRV.S
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ASM
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