mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-26 13:49:18 +00:00
450 lines
8.9 KiB
Plaintext
450 lines
8.9 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/LANCEGS.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.91C96.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 L91C96.BSR+1,x
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cmp #DEVID
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beq .3
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.2 dec DEV.HEADER.NAME+4
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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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>LDYA ARGS
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>STYA ZPTmpPTR
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lda (ZPTmpPTR)
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beq .4
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sec
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ror USERMAC
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>SYSCALL GetMemPtr.A
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>STYA ZPTmpPTR
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jsr DecodeMac
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bcc .4
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lda #K.E.SYN
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sec
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rts
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.4 >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 "LanCeGS/SMSC91C96 Driver.\r\n"
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MSG.DETECT.OK .AZ "LanCeGS/SMSC91C96 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"
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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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stz L91C96.BSR,x
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lda L91C96.0.EPHSR,x
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lda L91C96.0.EPHSR+1,x
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and /L91C96.0.EPHSR.LINK
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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 L91C96.0.TCR,x
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lda L91C96.0.TCR+1,x
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and /L91C96.0.TCR.FDSE
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bne .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 ldx DEVSLOTx0
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lda #2
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sta L91C96.BSR,x
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lda L91C96.2.IST,x
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and #L91C96.2.IST.RCV
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bne READBLOCK.RxOK
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lda #ERR.DEV.NOFRAME
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sec
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rts
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READBLOCK.RxOK lda #L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
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sta L91C96.2.PTR,x
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lda /L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ
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sta L91C96.2.PTR+1,x
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lda L91C96.2.DATA,x Get Frame Status Word (lo)
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lda L91C96.2.DATA,x Get Frame Status Word (HI)
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asl
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asl
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asl #$10 = odd?
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asl if odd, CS
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lda L91C96.2.DATA,x get lo byte count
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sbc #5 compute Size
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sta Size
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eor #$ff
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sta Counter
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tay
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lda L91C96.2.DATA,x get hi byte count
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sbc #0
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sta Size+1
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eor #$ff
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sta Counter+1
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eor #$ff
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iny
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bne .1
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inc
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.1 iny
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bne .11
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inc
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.11 >SYSCALL GetMem.YA
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bcs .99
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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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ldy #1
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lda Size+1
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sta (ZPTmpPTR),y
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iny
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ldx DEVSLOTx0
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.2 inc Counter
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bne .21
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inc Counter+1
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beq .4
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.21 lda L91C96.2.DATA,x
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sta (ZPTmpPTR),y
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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 .31
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inc Counter+1
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beq .4
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.31 lda L91C96.2.DATA,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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bra .2
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.4 lda #L91C96.2.MMUCR.REMREL
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sta L91C96.2.MMUCR,x
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.8 ldx #$ff hMem
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ldy #$ff PtrLO
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lda #$ff PtrHI
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clc
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.99 rts
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*--------------------------------------
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WRITEBLOCK >STYA ZPTmpPTR
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ldx DEVSLOTx0
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lda #2
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sta L91C96.BSR,x
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lda (ZPTmpPTR)
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sta Size
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eor #$ff
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sta Counter
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eor #$ff
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clc
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adc #6 3 WORDs more Status, len & Control
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bne .10
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clc LO byte is 0, no need for an extra empty page
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.10 ldy #1
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lda (ZPTmpPTR),y
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sta Size+1
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eor #$ff
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sta Counter+1
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eor #$ff
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adc #0
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.1 ora #L91C96.2.MMUCR.ALLOC
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sta L91C96.2.MMUCR,x
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ldy #0
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.2 lda L91C96.2.IST,x
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and #L91C96.2.IST.ALLOC
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bne .3
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dey
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bne .2
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lda #ERR.DEV.NOBUFFER
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sec
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rts
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.3 lda L91C96.2.AAR,x
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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.ETH.SRCMAC+5 Add Src MAC Address
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ldx #5
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.4 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 .4
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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
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pla
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adc #$05 add 5 if odd, 6 if even
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sta L91C96.2.DATA,x
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lda Size+1
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adc #$00
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sta L91C96.2.DATA,x
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ldy #2
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.5 inc Counter
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bne .51
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inc Counter+1
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beq .70
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.51 lda (ZPTmpPTR),y
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iny
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bne .6
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inc ZPTmpPTR+1
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.6 inc Counter
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bne .61
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inc Counter+1
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beq .71
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.61 sta L91C96.2.DATA,x
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lda (ZPTmpPTR),y
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sta L91C96.2.DATA,x
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iny
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bne .5
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inc ZPTmpPTR+1
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bra .5
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.70 lda #0
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sta L91C96.2.DATA,x
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sta L91C96.2.DATA,x
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bra .8
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.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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clc
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rts
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.9 sec
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rts
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*--------------------------------------
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OPEN jsr CLOSE
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lda #L91C96.0.TCR.FDSE+L91C96.0.TCR.FUDPLX+L91C96.0.TCR.PADEN+L91C96.0.TCR.TXENA
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sta L91C96.0.TCR,x
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lda /L91C96.0.TCR.FDSE+L91C96.0.TCR.FUDPLX+L91C96.0.TCR.PADEN+L91C96.0.TCR.TXENA
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sta L91C96.0.TCR+1,x
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lda #L91C96.0.RCR.NOCRC+L91C96.0.RCR.RXENA+L91C96.0.RCR.ALLMUL
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sta L91C96.0.RCR,x
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lda /L91C96.0.RCR.NOCRC+L91C96.0.RCR.RXENA+L91C96.0.RCR.ALLMUL
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sta L91C96.0.RCR+1,x
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lda #1
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sta L91C96.BSR,x
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lda #L91C96.1.CR.NOWAIT
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sta L91C96.1.CR,x
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lda /L91C96.1.CR.NOWAIT
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sta L91C96.1.CR+1,x
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ldy #0
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bit USERMAC
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bmi .2
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.1 lda L91C96.1.IAR,x
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sta MAC,y
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inx
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iny
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cpy #6
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bne .1
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bra .3
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.2 lda MAC,y
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sta L91C96.1.IAR,x
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inx
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iny
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cpy #6
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bne .2
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.3 ldx DEVSLOTx0
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lda #L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
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sta L91C96.1.CTR,x
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lda /L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
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sta L91C96.1.CTR+1,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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stz L91C96.BSR,x
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lda #L91C96.0.RCR.RESET
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sta L91C96.0.RCR,x
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lda /L91C96.0.RCR.RESET
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sta L91C96.0.RCR+1,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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stz L91C96.0.RCR,x
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stz L91C96.0.RCR+1,x
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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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USERMAC .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 "LanCEGS/L91C96"
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.BS 1
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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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*--------------------------------------
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MAN
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SAVE /A2OSX.SRC/DRV/LANCEGS.DRV.S
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ASM
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