mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-26 13:49:18 +00:00
408 lines
7.8 KiB
Plaintext
408 lines
7.8 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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.INB INC/LIBTCPIP.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,x
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lda #W5100.AR.]1
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sta W5100.AR+1,x
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.EM
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*--------------------------------------
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.INB DRV/X.NET.W5100.S
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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 PrintFYA
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ldx #$10+$88
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.1 lda #W5100.MR.RST
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sta W5100.MR,x
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lda #W5100.MR.AI+W5100.MR.IND
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sta W5100.MR,x
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lda W5100.MR,x
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cmp #W5100.MR.AI+W5100.MR.IND
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bne .2
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>AR.SELECT RTR Double Check with RTR default value...
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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 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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bcc .1 #$108 ?
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>LDYA L.MSG.DETECT.KO
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>SYSCALL PrintFYA
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lda #DEVMGR.ERRNOHW
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sec
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rts
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.3 stx DEVSLOTx8
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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 #$08
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sta MAC+1
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lda #$DC
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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 >SYSCALL GetMemPtrA
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>STYA ZPTmpPTR
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jsr DecodeMac
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bcc .8
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lda #DEVMGR.ERRICL
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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 PrintFYA
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clc
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rts
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*--------------------------------------
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.INB DRV/X.NET.DRV.S
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*--------------------------------------
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CS.END
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MSG.DETECT >CSTR "UtherNet2/W5100 Driver.\n"
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MSG.DETECT.OK >CSTR "UtherNet2/W5100 Installed As Device : %S\n"
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MSG.DETECT.KO >CSTR "Hardware Not Found.\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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.HS 00
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.DA #S.DEV.F.SHARE+S.DEV.F.EVENT
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DEV.HEADER.NAME >PSTR "ETH1" NAME
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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 COUT
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.DA CLOSE
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.DA GETINFO
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.DA IRQ
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.DA SEND
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.DA SETIPCFG
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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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OPEN jsr Reset
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lda #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 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.S0.MR.MACRAW+W5100.AR.S0.MR.MF
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sta W5100.DR,x
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>AR.SELECT S0.CR
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lda #1 OPEN
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sta W5100.DR,x
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clc
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rts
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*--------------------------------------
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GETEVENT ldx DEVSLOTx8
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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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ora W5100.DR,x LO
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bne GETEVENT.RxOK
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lda #ERR.DEV.NOFRAME
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COUT
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IRQ
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SETIPCFG
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GETEVENT.Err sec
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rts
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GETEVENT.RxOK >AR.SELECT S0.RX.RD
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lda W5100.DR,x get the received ptr HI
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ldy W5100.DR,x get the received ptr LO
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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
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sta Offset+1
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>PUSHA for SYS.GetMem
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tay
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lda W5100.DR,x get RX.Size LO
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sta Offset
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>PUSHA for SYS.GetMem
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sec
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sbc #2
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sta RXTX.Size
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bcs .1
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dey
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.1 sty RXTX.Size+1
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* >PUSHYA Already pushed....
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>PUSHBI 0
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>SYSCALL GetMem
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bcs GETEVENT.Err
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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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lda #S.EVT.F.NET+S.EVT.F.hMEM1
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sta (pEvent)
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lda RXTX.Size
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sta (ZPTmpPTR)
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eor #$ff
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sta Counter
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ldy #1
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lda RXTX.Size+1
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sta (ZPTmpPTR),y
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eor #$ff
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sta Counter+1
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ldx DEVSLOTx8
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iny
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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 W5100.DR,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 >AR.SELECT S0.RX.RD
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ldy W5100.DR,x Get HI
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lda W5100.DR,x Get LO
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clc
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adc Offset
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pha save LO
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tya
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adc Offset+1
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pha
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>AR.SELECT S0.RX.RD
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pla
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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 #$40 RECV
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sta W5100.DR,x
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ldy #S.ETH.DSTMAC
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lda (ZPTmpPTR),y
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.81 iny
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and (ZPTmpPTR),y
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cpy #S.ETH.DSTMAC+5
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bne .81 if EQ, CS
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inc $ff = Broadcast ??
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beq .82
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clc not a broadcast
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.82 lda #$00
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ror
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ldy #S.EVT.DATAHI
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sta (pEvent),y
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* clc cleared by ROR
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rts
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*--------------------------------------
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CLOSE jsr Reset
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clc
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rts
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*--------------------------------------
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GETINFO >LDYA L.DEVINFO
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clc
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rts
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*--------------------------------------
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SEND >PULLW ZPTmpPTR
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lda (ZPTmpPTR)
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sta RXTX.Size
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eor #$ff
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sta Counter
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ldy #1
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lda (ZPTmpPTR),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 DEVSLOTx8
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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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ldy W5100.DR,x LO
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cpy RXTX.Size
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sbc RXTX.Size+1
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bcs SEND.READY
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lda #ERR.DEV.NOBUFFER
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sec
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rts
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SEND.READY ldy #S.ETH.SRCMAC+5
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ldx #5
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.1 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 .1
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ldx DEVSLOTx8
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>AR.SELECT S0.TX.WR
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lda W5100.DR,x Get HI
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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 #2
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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 (ZPTmpPTR),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 ZPTmpPTR+1
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bne .2
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.8 >AR.SELECT S0.TX.WR
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clc
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lda Offset
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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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* and /RXTX.MASK
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* ora /TX.BASE
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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 #$20 SEND
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sta W5100.DR,x
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clc
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rts
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*--------------------------------------
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Reset ldx DEVSLOTx8
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lda #W5100.MR.RST
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sta W5100.MR,x
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rts
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*--------------------------------------
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DRV.CS.END
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DEVSLOTx8 .BS 1
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RXTX.Size .BS 2
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Counter .BS 2
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Offset .BS 2
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*--------------------------------------
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DEVINFO .DA #S.DEVINFO.TYPE.NET
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DEVFLAGS .DA #0
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MAC .BS 6
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LINK.STATUS .DA #S.DEVINFO.NET.STATUS.OK+S.DEVINFO.NET.STATUS.FD+S.DEVINFO.NET.STATUS.100
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MAN
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SAVE DRV/UTHERNET2.DRV.S
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ASM
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