PR#3 PREFIX /A2OSX.SRC NEW INC 1 AUTO 6 .LIST OFF .OP 65C02 .OR $2000 .TF /A2OSX.BOOT/DRV/UTHERNET.DRV *-------------------------------------- .INB /A2OSX.DEV/INC/MACROS.I .INB /A2OSX.DEV/INC/A2OSX.I .INB /A2OSX.DEV/INC/LIBTCPIP.I *-------------------------------------- ZPTmpPTR .EQ ZPDRV *-------------------------------------- .INB DRV/X.NET.8900A.S *-------------------------------------- * File Header (16 Bytes) *-------------------------------------- CS.START cld jmp Dev.Detect cld,jmp abs=DRV .DA #$61 6502,Level 1 (65c02) .DA #1 DRV Layout Version 1 .DA 0 .DA CS.END-CS.START Code Length .DA DEV.HEADER-CS.START Device Header Offset .DA DRV.CS.START-CS.START Driver Code Offset .DA DRV.CS.END-DRV.CS.START Drv Code Length *-------------------------------------- * Relocation Table *-------------------------------------- L.MSG.DETECT .DA MSG.DETECT L.MSG.DETECT.OK .DA MSG.DETECT.OK L.MSG.DETECT.KO .DA MSG.DETECT.KO L.DEV.HEADER.NAME .DA DEV.HEADER.NAME .DA 0 End Of Reloc Table *-------------------------------------- Dev.Detect >STYA ARGS >LDYA L.MSG.DETECT >SYSCALL PrintFYA ldx #$10 .1 >LDYAI PP.ID >STYA PacketPagePTR,x >LDYA PacketPageDATA,x cpy #DEVID bne .2 cmp /DEVID beq .3 .2 inc DEV.HEADER.NAME+4 txa clc adc #$10 tax cpx #$80 bne .1 >LDYA L.MSG.DETECT.KO >SYSCALL PrintFYA lda #DEVMGR.ERRNOHW sec rts .3 stx DEVSLOTx0 >LDYA ARGS >STYA ZPTmpPTR lda (ZPTmpPTR) bne .4 lda #$00 sta MAC lda #$0E sta MAC+1 lda #$3A sta MAC+2 lda A2osX.RANDOM16 eor A2osX.TIMER16 sta MAC+3 eor A2osX.RANDOM16+1 sta MAC+4 eor A2osX.TIMER16+1 sta MAC+5 bra .8 .4 jsr DecodeMac bcc .8 lda #DEVMGR.ERRICL sec rts .8 >PUSHW L.DEV.HEADER.NAME >LDYA L.MSG.DETECT.OK >SYSCALL PrintFYA clc rts *-------------------------------------- .INB DRV/X.NET.DRV.S *-------------------------------------- CS.END MSG.DETECT >CSTR "UtherNet/CS8900A Driver.\n" MSG.DETECT.OK >CSTR "UtherNet/CS8900A Installed As Device : %S\n" MSG.DETECT.KO >CSTR "Hardware Not Found.\n" ARGS .BS 2 *-------------------------------------- * Device Header (16 Bytes) *-------------------------------------- DEV.HEADER cld jmp (DRV.CS.START,x) .HS 00 .DA #S.DEV.F.SHARE+S.DEV.F.EVENT DEV.HEADER.NAME >PSTR "ETH1" NAME .HS 00 .HS 00.00.00.00 *-------------------------------------- * Driver Code *-------------------------------------- DRV.CS.START .DA OPEN .DA GETEVENT .DA COUT .DA CLOSE .DA GETINFO .DA IRQ .DA SEND .DA SETIPCFG L.DEVINFO .DA DEVINFO .DA 0 end or relocation *-------------------------------------- OPEN jsr Reset >LDYAI PP.RxCTL >STYA PacketPagePTR,x >LDYAI PP.RxCTL.LID+PP.RxCTL.RxOKA+PP.RxCTL.IA+PP.RxCTL.BroadcastA >STYA PacketPageDATA,x >LDYAI PP.MAC >STYA PacketPagePTR,x >LDYA MAC >STYA PacketPageDATA,x >LDYAI PP.MAC+2 >STYA PacketPagePTR,x >LDYA MAC+2 >STYA PacketPageDATA,x >LDYAI PP.MAC+4 >STYA PacketPagePTR,x >LDYA MAC+4 >STYA PacketPageDATA,x >LDYAI PP.LineCTL >STYA PacketPagePTR,x >LDYAI PP.LineCTL.LID+PP.LineCTL.SerRxOn+PP.LineCTL.SerTxOn+PP.LineCTL.Auto >STYA PacketPageDATA,x clc rts *-------------------------------------- GETEVENT ldx DEVSLOTx0 >LDYAI PP.RxEvent >STYA PacketPagePTR,x >LDYA PacketPageDATA,x and /PP.RxEvent.RxOK+PP.RxEvent.Brdcast+PP.RxEvent.IA bne GETEVENT.RxOK lda #ERR.DEV.NOFRAME COUT IRQ SETIPCFG GETEVENT.Err sec rts GETEVENT.RxOK and /PP.RxEvent.Brdcast beq .10 lda #$80 .10 ldy #S.EVT.DATAHI sta (pEvent),y >LDYA RTDATA,x discard RxStatus lda RTDATA+1,x get RxLength sta Size+1 pha lda RTDATA,x sta Size clc adc #2 tay pla bcc .11 inc .11 >PUSHYA Size+2 >PUSHBI 0 >SYSCALL GetMem bcs GETEVENT.Err >STYA ZPTmpPTR txa ldy #S.EVT.DATALO sta (pEvent),y lda #S.EVT.F.NET+S.EVT.F.hMEM1 sta (pEvent) lda Size sta (ZPTmpPTR) eor #$ff sta Counter ldy #1 lda Size+1 sta (ZPTmpPTR),y eor #$ff sta Counter+1 iny ldx DEVSLOTx0 .1 inc Counter bne .12 inc Counter+1 beq .8 .12 lda RTDATA,x sta (ZPTmpPTR),y iny bne .2 inc ZPTmpPTR+1 .2 inc Counter bne .21 inc Counter+1 beq .8 .21 lda RTDATA+1,x sta (ZPTmpPTR),y iny bne .1 inc ZPTmpPTR+1 bne .1 .8 clc rts *-------------------------------------- CLOSE jsr Reset clc rts *-------------------------------------- GETINFO lda #S.DEVINFO.NET.STATUS.10 sta LINK.STATUS ldx DEVSLOTx0 >LDYAI PP.LineST >STYA PacketPagePTR,x >LDYA PacketPageDATA,x tya and #PP.LineST.LinkOK bne .1 lda LINK.STATUS ora #S.DEVINFO.NET.STATUS.OK sta LINK.STATUS .1 >LDYAI PP.TestCTL >STYA PacketPagePTR,x >LDYA PacketPageDATA,x and /PP.TestCTL.FDX bne .2 lda LINK.STATUS ora #S.DEVINFO.NET.STATUS.FD sta LINK.STATUS .2 >LDYA L.DEVINFO clc rts *-------------------------------------- SEND >PULLW ZPTmpPTR lda (ZPTmpPTR) sta Size eor #$ff sta Counter ldy #1 lda (ZPTmpPTR),y sta Size+1 eor #$ff sta Counter+1 ldx DEVSLOTx0 >LDYAI PP.TxCMD.LID+PP.TxCMD.TxStartFULL >STYA TxCMD,x >LDYA Size >STYA TxLength,x >LDYAI PP.BusST >STYA PacketPagePTR,x ldy #16 .1 lda PacketPageDATA,x and #PP.BusST.TxBidErr bne .9 lda PacketPageDATA+1,x and /PP.BusST.Rdy4TxNOW bne SENDPREADY lda #0 .2 dec bne .2 dey bne .1 .9 lda #ERR.DEV.NOBUFFER sec rts SENDPREADY ldy #S.ETH.SRCMAC+5 ldx #5 .10 lda MAC,x sta (ZPTmpPTR),y dey dex bpl .10 ldx DEVSLOTx0 ldy #2 .1 inc Counter bne .11 inc Counter+1 beq .8 .11 lda (ZPTmpPTR),y sta RTDATA,x iny bne .2 inc ZPTmpPTR+1 .2 inc Counter bne .21 inc Counter+1 beq .8 .21 lda (ZPTmpPTR),y sta RTDATA+1,x iny bne .1 inc ZPTmpPTR+1 bne .1 .8 clc rts *-------------------------------------- Reset ldx DEVSLOTx0 >LDYAI PP.SelfCTL >STYA PacketPagePTR,x >LDYAI PP.SelfCTL.LID+PP.SelfCTL.RESET >STYA PacketPageDATA,x rts DRV.CS.END *-------------------------------------- DEVSLOTx0 .BS 1 Size .BS 2 Counter .BS 2 DEVINFO .DA #S.DEVINFO.TYPE.NET DEVFLAGS .DA #0 MAC .BS 6 LINK.STATUS .BS 1 OK/DUPLEX/SPEED MAN SAVE DRV/UTHERNET.DRV.S ASM