mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-25 20:33:13 +00:00
363 lines
7.3 KiB
Plaintext
363 lines
7.3 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF /A2OSX.BOOT/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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*--------------------------------------
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ZPTmpPTR .EQ ZPDRV
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*--------------------------------------
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.MA AR.SELECT
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lda /W5100.AR.]1
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sta W5100.AR-$81,x
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lda #W5100.AR.]1
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sta W5100.AR-$80,x
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.EM
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*--------------------------------------
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* WIZnet W5100 IO Registers
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*--------------------------------------
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W5100.MR .EQ $C080 Mode Register
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W5100.MR.RST .EQ %10000000
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W5100.MR.PB .EQ %00010000
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W5100.MR.PPPOE .EQ %00001000
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W5100.MR.AI .EQ %00000010
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W5100.MR.IND .EQ %00000001
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W5100.AR .EQ $C081 Memory Pointer
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W5100.AR.GAR .EQ $0001
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W5100.AR.SUBR .EQ $0005
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W5100.AR.SHAR .EQ $0009
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W5100.AR.IR .EQ $0015
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W5100.AR.IMR .EQ $0016
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W5100.AR.RTR .EQ $0017
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W5100.AR.RCR .EQ $0019
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W5100.AR.RMSR .EQ $001A
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W5100.AR.TMSR .EQ $001B
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W5100.AR.PATR .EQ $001C
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W5100.AR.PTIMER .EQ $0028
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W5100.AR.PMAGIC .EQ $0029
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W5100.AR.UIPR .EQ $002A
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W5100.AR.UPORT .EQ $002E
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W5100.AR.S0.MR .EQ $0400
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W5100.AR.S0.CR .EQ $0401
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W5100.AR.S0.IR .EQ $0402
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W5100.AR.S0.SR .EQ $0403
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W5100.AR.S0.PORT .EQ $0404
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W5100.AR.S0.DHAR .EQ $0406
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W5100.AR.S0.DIPR .EQ $040C
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W5100.AR.S0.DPORT .EQ $0410
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W5100.AR.S0.MSSR .EQ $0412
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W5100.AR.S0.PROTO .EQ $0414
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W5100.AR.S0.TOS .EQ $0415
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W5100.AR.S0.TTL .EQ $0416
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W5100.AR.S0.TX.FSR .EQ $0420
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W5100.AR.S0.TX.RD .EQ $0422
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W5100.AR.S0.TX.WR .EQ $0424
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W5100.AR.S0.RX.RSR .EQ $0426
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W5100.AR.S0.RX.RD .EQ $0428
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W5100.DR .EQ $C083
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*--------------------------------------
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ERRTNOFRAME .EQ 0
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ERRNOBUFFER .EQ 1
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ERRTIMEOUT .EQ 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 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 sta hArgs
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>LDYA L.MSG.DETECT
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>SYSCALL SYS.PSTROutYA
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ldx #$10+$81
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.1 stx DEVSLOTxF
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lda #W5100.MR.RST
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sta W5100.MR-$81,x
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lda #W5100.MR.AI+W5100.MR.IND
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sta W5100.MR-$81,x
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lda W5100.MR-$81,x
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cmp #W5100.MR.AI+W5100.MR.IND
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beq .3
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inc DEV.HEADER.NAME+4
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txa
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clc
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adc #$10
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tax
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cpx #$80+$81
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bne .1
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lda #DEVMGR.ERRNOHW
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sec
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rts
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.3 lda hARGS
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beq .4
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>SYSCALL SYS.GetMemPtrA
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>STYA ZPTmpPTR
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jsr DecodeMac
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bcc .4
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lda #DEVMGR.ERRICL
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sec
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rts
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.4 clc
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rts
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*--------------------------------------
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DecodeMac lda (ZPTmpPTR)
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cmp #12
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bne .9
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ldy #1
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ldx #0
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.1 lda (ZPTmpPTR),y
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jsr Asc2NibbleA
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bcs .9
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asl
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asl
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asl
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asl
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sta MAC,x
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iny
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lda (ZPTmpPTR),y
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jsr Asc2NibbleA
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bcs .9
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ora MAC,x
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sta MAC,x
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inx
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iny
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cpy #13
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bne .1
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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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Asc2NibbleA cmp #$30
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bcc .9
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cmp #$3A
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bcs .1
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and #$0F
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clc
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rts
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.1 cmp #$41
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bcc .9
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cmp #$47
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bcs .9
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sbc #$36
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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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CS.END
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MSG.DETECT >PSTRING "UtherNetII/W5100 Driver.\n"
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MSG.DETECT.OK >PSTRING "UtherNetII/W5100 Installed As Device : "
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MSG.DETECT.KO >PSTRING "Hardware Not Found.\n"
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hArgs .BS 1
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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 #S.DEV.F.SHARE+S.DEV.F.EVENT
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DEV.HEADER.NAME >PSTRING "ETH1" NAME
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.DA #DEVMGR.NET.CAP.ARPOFFLOAD
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.HS 00
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.HS 00.00.00.00
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*--------------------------------------
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* Driver Code
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*--------------------------------------
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DRV.CS.START .DA OPEN
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.DA GETEVENT
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.DA $FFFF no COUT
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.DA CLOSE
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.DA GETINFO
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.DA $FFFF no IRQ
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.DA SEND
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L.DEVINFO .DA DEVINFO
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.DA 0 end or relocation
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*--------------------------------------
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* input :
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* none
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* output :
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* CC on success
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* CS on error
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*--------------------------------------
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OPEN jsr Reset
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>AR.SELECT SHAR
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ldy #0
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.1 lda MAC,y
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sta W5100.DR-$81,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
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sta W5100.DR-$81,x ...for Socket0 RX Buffer
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sta W5100.DR-$81,x ...for Socket0 TX Buffer
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>AR.SELECT S0.MR
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lda #3 IPRAW
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sta W5100.DR-$81,x for S0.MR
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lda #1
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sta W5100.DR-$81,x for S0.CR
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clc
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rts
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*--------------------------------------
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* input :
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* pEvent
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* output :
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* CC no event
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* CS event
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*--------------------------------------
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GETEVENT ldx DEVSLOTxF
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bne GETEVENT.RxOK
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lda #ERRTNOFRAME
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sec
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rts
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GETEVENT.RxOK
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>STYA FRAMELEN
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>PUSHYA
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>PUSHBI 0
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>SYSCALL SYS.GetMem
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bcs .99
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>STYA ZPTmpPTR
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txa
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ldy #S.EVT.DATALO
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sta (pEvent),y
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ldy #S.EVT.DATAW1
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lda FRAMELEN
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sta (pEvent),y
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iny
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lda FRAMELEN+1
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sta (pEvent),y
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lda #S.EVT.F.NET+S.EVT.F.hMEM1
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sta (pEvent)
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ldy #0
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ldx DEVSLOTxF
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.8 clc
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rts
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.99 sec
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rts
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*--------------------------------------
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CLOSE jsr Reset
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clc
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rts
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*--------------------------------------
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* in:
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* out:
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* Y,A = BUFFER PTR
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* CC on success
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* CS on error
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*--------------------------------------
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GETINFO >LDYA L.DEVINFO
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clc
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rts
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*--------------------------------------
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* in:
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* PULLW = FRAME PTR
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* PULLW = FRAME LEN
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* out:
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* CC on success
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* CS on error
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*--------------------------------------
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SEND >PULLW ZPTmpPTR
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>PULLW FRAMELEN
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ldx DEVSLOTxF
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bra *
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lda #ERRTIMEOUT
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sec
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rts
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.9 bra *
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lda #ERRNOBUFFER
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sec
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rts
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SENDPREADY ldy #0
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.1 lda (ZPTmpPTR),y
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iny
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bne .2
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inc ZPTmpPTR+1
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.2 jsr DecFrameLen
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beq .8
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.3 lda (ZPTmpPTR),y
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iny
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bne .5
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inc ZPTmpPTR+1
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.5 jsr DecFrameLen
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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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* PRIVATE
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*--------------------------------------
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Reset ldx DEVSLOTxF
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lda #W5100.MR.RST
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sta W5100.MR-$81,x
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rts
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*--------------------------------------
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DecFrameLen lda FRAMELEN
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bne .1
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lda FRAMELEN+1
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beq .8
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dec FRAMELEN+1
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.1 dec FRAMELEN
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lda #1 Make something NZ
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.8 rts
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*--------------------------------------
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DRV.CS.END
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*--------------------------------------
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DEVSLOTxF .BS 1
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FRAMELEN .BS 2
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*--------------------------------------
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DEVINFO .DA #S.DEVINFO.TYPE.NET
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MAC .BS 6
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LINK.STATUS .BS 1
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LINK.SPEED .BS 1 SPEED/DUPLEX
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*--------------------------------------
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MAN
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SAVE DRV/UTHERNET2.DRV.S
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ASM
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