PR#3 PREFIX /A2OSX.SRC LOMEM $C00 INC 1 AUTO 6 .LIST OFF .OP 65C02 .OR $2000 .TF /A2OSX.BOOT/DRV/LANCEGS.DRV *-------------------------------------- .INB INC/MACROS.I .INB INC/A2OSX.I .INB INC/LIBTCPIP.I *-------------------------------------- ZPTmpPTR .EQ ZPDRV *-------------------------------------- DEVID .EQ $33 *-------------------------------------- * SMSC L91C96 IO Registers *-------------------------------------- L91C96.0.TCR .EQ $C080 L91C96.0.TCR.FDSE .EQ %10000000.00000000 L91C96.0.TCR.FUDPLX .EQ %00001000.00000000 L91C96.0.TCR.PADEN .EQ %00000000.10000000 L91C96.0.TCR.TXENA .EQ %00000000.00000001 L91C96.0.EPHSR .EQ $C082 L91C96.0.EPHSR.LINK .EQ %01000000.00000000 L91C96.0.RCR .EQ $C084 L91C96.0.RCR.RESET .EQ %10000000.00000000 L91C96.0.RCR.NOCRC .EQ %00000010.00000000 L91C96.0.RCR.RXENA .EQ %00000001.00000000 L91C96.0.RCR.ALLMUL .EQ %00000000.00000100 L91C96.0.RCR.PRMS .EQ %00000000.00000010 L91C96.0.RCR.RXABRT .EQ %00000000.00000001 L91C96.0.ECR .EQ $C086 L91C96.0.MIR .EQ $C088 L91C96.0.MCR .EQ $C08A L91C96.1.CR .EQ $C080 L91C96.1.CR.NOWAIT .EQ %00010000.00000000 L91C96.1.BAR .EQ $C082 L91C96.1.IAR .EQ $C084 L91C96.1.GPR .EQ $C08A L91C96.1.CTR .EQ $C08C L91C96.1.CTR.DEFAULT .EQ %00000000.00000001 L91C96.1.CTR.AUTOREL .EQ %00000000.00001000 L91C96.2.MMUCR .EQ $C080 L91C96.2.MMUCR.ALLOC .EQ %00100000 L91C96.2.MMUCR.RESET .EQ %01000000 L91C96.2.MMUCR.REMREL .EQ %10000000 L91C96.2.MMUCR.NQPKT .EQ %11000000 L91C96.2.PNR .EQ $C082 L91C96.2.AAR .EQ $C083 L91C96.2.FIFO .EQ $C084 L91C96.2.PTR .EQ $C086 L91C96.2.PTR.RCVD .EQ %10000000.00000000 L91C96.2.PTR.AUTOI .EQ %01000000.00000000 L91C96.2.PTR.READ .EQ %00100000.00000000 L91C96.2.DATA .EQ $C088 L91C96.2.IST .EQ $C08C L91C96.2.IST.ALLOC .EQ %00001000 L91C96.2.IST.RCV .EQ %00000001 L91C96.2.ACK .EQ $C08C L91C96.2.MSK .EQ $C08D L91C96.3.MT .EQ $C080 L91C96.3.MGMT .EQ $C088 L91C96.3.REV .EQ $C08A L91C96.3.RCV .EQ $C08C L91C96.BSR .EQ $C08E *-------------------------------------- * 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 sta hArgs >LDYA L.MSG.DETECT >SYSCALL SYS.PStrOutYA ldx #$10 .1 lda L91C96.BSR+1,x cmp #DEVID beq .3 inc DEV.HEADER.NAME+4 txa clc adc #$10 tax bpl .1 not yat at $80 >LDYA L.MSG.DETECT.KO >SYSCALL SYS.PStrOutYA lda #DEVMGR.ERRNOHW Not Found in any slot, exiting sec rts .3 stx DEVSLOTx0 lda hARGS beq .4 sec ror USERMAC >SYSCALL SYS.GetMemPtrA >STYA ZPTmpPTR jsr DecodeMac bcc .4 lda #DEVMGR.ERRICL sec rts .4 >LDYA L.MSG.DETECT.OK >SYSCALL SYS.PStrOutYA >LDYA L.DEV.HEADER.NAME >SYSCALL SYS.PStrOutYA lda #13 >SYSCALL SYS.COutA clc rts *-------------------------------------- .INB DRV/X.NET.DRV.S *-------------------------------------- CS.END MSG.DETECT >PSTRING "LanCeGS/SMSC91C96 Driver.\n" MSG.DETECT.OK >PSTRING "LanCeGS/SMSC91C96 Installed As Device : " MSG.DETECT.KO >PSTRING "Hardware Not Found.\n" hArgs .BS 1 *-------------------------------------- * Device Header (16 Bytes) *-------------------------------------- DEV.HEADER cld jmp (DRV.CS.START,x) .DA #S.DEV.F.SHARE+S.DEV.F.EVENT DEV.HEADER.NAME >PSTRING "ETH1" NAME .HS 00.00 .HS 00.00.00.00 *-------------------------------------- * Driver Code *-------------------------------------- DRV.CS.START .DA OPEN .DA GETEVENT .DA $FFFF no COUT .DA CLOSE .DA GETINFO .DA $FFFF no IRQ .DA SEND .DA $FFFF no SETIPCFG L.DEVINFO .DA DEVINFO .DA 0 end or relocation *-------------------------------------- * input : * none * output : * CC on success * CS on error *-------------------------------------- OPEN jsr Reset will select L91C96.0 lda #L91C96.0.TCR.FDSE+L91C96.0.TCR.FUDPLX+L91C96.0.TCR.PADEN+L91C96.0.TCR.TXENA sta L91C96.0.TCR,x lda /L91C96.0.TCR.FDSE+L91C96.0.TCR.FUDPLX+L91C96.0.TCR.PADEN+L91C96.0.TCR.TXENA sta L91C96.0.TCR+1,x lda #L91C96.0.RCR.NOCRC+L91C96.0.RCR.RXENA+L91C96.0.RCR.ALLMUL sta L91C96.0.RCR,x lda /L91C96.0.RCR.NOCRC+L91C96.0.RCR.RXENA+L91C96.0.RCR.ALLMUL sta L91C96.0.RCR+1,x lda #1 sta L91C96.BSR,x lda #L91C96.1.CR.NOWAIT sta L91C96.1.CR,x lda /L91C96.1.CR.NOWAIT sta L91C96.1.CR+1,x ldy #0 bit USERMAC bmi .2 .1 lda L91C96.1.IAR,x sta MAC,y inx iny cpy #6 bne .1 bra .3 .2 lda MAC,y sta L91C96.1.IAR,x inx iny cpy #6 bne .2 .3 ldx DEVSLOTx0 lda #L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL sta L91C96.1.CTR,x lda /L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL sta L91C96.1.CTR+1,x clc rts *-------------------------------------- * input : * pEvent * output : * CC no event * CS event *-------------------------------------- GETEVENT ldx DEVSLOTx0 lda #2 sta L91C96.BSR,x lda L91C96.2.IST,x and #L91C96.2.IST.RCV bne GETEVENT.RxOK lda #ERR.DEV.NOFRAME sec rts GETEVENT.RxOK lda #L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ sta L91C96.2.PTR,x lda /L91C96.2.PTR.RCVD+L91C96.2.PTR.AUTOI+L91C96.2.PTR.READ sta L91C96.2.PTR+1,x lda L91C96.2.DATA,x Get Frame Status Word (lo) lda L91C96.2.DATA,x Get Frame Status Word (HI) asl #$60 = Broadcast? ldy #S.EVT.DATAHI sta (pEvent),y asl asl #$10 = odd? asl if odd, CS lda L91C96.2.DATA,x get lo byte count sbc #5 compute FRAMELEN sta FRAMELEN tay lda L91C96.2.DATA,x get hi byte count sbc #0 sta FRAMELEN+1 iny bne .1 inc .1 iny bne .11 inc .11 >PUSHYA FRAMLEN+2 >PUSHBI 0 >SYSCALL SYS.GetMem bcs .99 >STYA ZPTmpPTR txa ldy #S.EVT.DATALO sta (pEvent),y lda #S.EVT.F.NET+S.EVT.F.hMEM1 sta (pEvent) lda FRAMELEN sta (ZPTmpPTR) ldy #1 lda FRAMELEN+1 sta (ZPTmpPTR),y iny ldx DEVSLOTx0 .2 jsr DecFrameLen beq .8 lda L91C96.2.DATA,x sta (ZPTmpPTR),y iny bne .3 inc ZPTmpPTR+1 .3 jsr DecFrameLen beq .8 lda L91C96.2.DATA,x sta (ZPTmpPTR),y iny bne .2 inc ZPTmpPTR+1 bra .2 .8 lda #L91C96.2.MMUCR.REMREL sta L91C96.2.MMUCR,x clc rts .99 sec rts *-------------------------------------- CLOSE jsr Reset clc rts *-------------------------------------- * in: * out: * Y,A = BUFFER PTR * CC on success * CS on error *-------------------------------------- GETINFO lda #S.DEVINFO.NET.STATUS.10 sta LINK.STATUS ldx DEVSLOTx0 stz L91C96.BSR,x lda L91C96.0.EPHSR,x lda L91C96.0.EPHSR+1,x and /L91C96.0.EPHSR.LINK beq .1 lda LINK.STATUS ora #S.DEVINFO.NET.STATUS.OK sta LINK.STATUS .1 lda L91C96.0.TCR,x lda L91C96.0.TCR+1,x and /L91C96.0.TCR.FDSE bne .2 lda LINK.STATUS ora #S.DEVINFO.NET.STATUS.FD sta LINK.STATUS .2 >LDYA L.DEVINFO clc rts *-------------------------------------- * in: * PULLW = FRAME PTR * PULLW = FRAME LEN * out: * CC on success * CS on error *-------------------------------------- SEND >PULLW ZPTmpPTR ldx DEVSLOTx0 lda #2 sta L91C96.BSR,x lda (ZPTmpPTR) sta FRAMELEN clc adc #6 3 WORDs more Status, len & Control bne .10 clc LO byte is 0, no need for an extra empty page .10 ldy #1 lda (ZPTmpPTR),y sta FRAMELEN+1 adc #0 .1 ora #L91C96.2.MMUCR.ALLOC sta L91C96.2.MMUCR,x ldy #0 .2 lda L91C96.2.IST,x and #L91C96.2.IST.ALLOC bne .3 dey bne .2 lda #ERR.DEV.NOBUFFER sec rts .3 lda L91C96.2.AAR,x sta L91C96.2.PNR,x lda #L91C96.2.PTR.AUTOI sta L91C96.2.PTR,x lda /L91C96.2.PTR.AUTOI sta L91C96.2.PTR+1,x ldy #S.ETH.SRCMAC+5 Add Src MAC Address ldx #5 .4 lda MAC,x sta (ZPTmpPTR),y dey dex bpl .4 ldx DEVSLOTx0 stz L91C96.2.DATA,x write fake status word stz L91C96.2.DATA,x lda FRAMELEN pha eor #$01 lsr pla adc #$05 add 5 if odd, 6 if even sta L91C96.2.DATA,x lda FRAMELEN+1 adc #$00 sta L91C96.2.DATA,x ldy #2 .5 jsr DecFrameLen beq .70 lda (ZPTmpPTR),y iny bne .6 inc ZPTmpPTR+1 .6 pha jsr DecFrameLen beq .71 pla sta L91C96.2.DATA,x lda (ZPTmpPTR),y sta L91C96.2.DATA,x iny bne .5 inc ZPTmpPTR+1 bra .5 .70 lda #0 sta L91C96.2.DATA,x sta L91C96.2.DATA,x bra .8 .71 pla sta L91C96.2.DATA,x lda #%00100000 signal an extra (odd) byte sta L91C96.2.DATA,x .8 lda #L91C96.2.MMUCR.NQPKT sta L91C96.2.MMUCR,x clc rts .9 sec rts *-------------------------------------- * PRIVATE *-------------------------------------- Reset ldx DEVSLOTx0 stz L91C96.BSR,x lda #L91C96.0.RCR.RESET sta L91C96.0.RCR,x lda /L91C96.0.RCR.RESET sta L91C96.0.RCR+1,x lda $C019 we can use VBL as we are not on //c .1 eor $C019 bpl .1 lda $C019 .2 eor $C019 bpl .2 stz L91C96.0.RCR,x stz L91C96.0.RCR+1,x rts *-------------------------------------- DecFrameLen lda FRAMELEN bne .1 lda FRAMELEN+1 beq .8 dec FRAMELEN+1 .1 dec FRAMELEN lda #1 Make something NZ .8 rts *-------------------------------------- DRV.CS.END *-------------------------------------- DEVSLOTx0 .BS 1 USERMAC .BS 1 FRAMELEN .BS 2 *-------------------------------------- DEVINFO .DA #S.DEVINFO.TYPE.NET DEVFLAGS .DA #0 MAC .BS 6 LINK.STATUS .BS 1 OK/DUPLEX/SPEED *-------------------------------------- MAN SAVE DRV/LANCEGS.DRV.S ASM