mirror of
https://github.com/A2osX/A2osX.git
synced 2024-08-13 06:29:03 +00:00
282 lines
5.7 KiB
Plaintext
282 lines
5.7 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/LANCEGS.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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DEVID .EQ $33
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*--------------------------------------
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* SMSC L91C96 IO Registers
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*--------------------------------------
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L91C96.0.TCR .EQ $C080
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L91C96.0.EPHSR .EQ $C082
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L91C96.0.RCR .EQ $C084
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L91C96.0.ECR .EQ $C086
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L91C96.0.MIR .EQ $C088
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L91C96.0.MCR .EQ $C08A
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L91C96.1.CR .EQ $C080
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L91C96.1.BAR .EQ $C082
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L91C96.1.IAR .EQ $C084
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L91C96.1.GPR .EQ $C08A
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L91C96.1.CTR .EQ $C08C
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L91C96.2.MMUCR .EQ $C080
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L91C96.2.PNR .EQ $C082
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L91C96.2.AAR .EQ $C083
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L91C96.2.FIFO .EQ $C084
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L91C96.2.PTR .EQ $C086
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L91C96.2.DATA .EQ $C088
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L91C96.2.IST .EQ $C08C
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L91C96.2.ACK .EQ $C08C
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L91C96.2.MSK .EQ $C08D
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L91C96.3.MT .EQ $C080
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L91C96.3.MGMT .EQ $C088
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L91C96.3.REV .EQ $C08A
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L91C96.3.RCV .EQ $C08C
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L91C96.BSR .EQ $C08E
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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
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.1 lda L91C96.BSR+1,x
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cmp #DEVID
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bne .2
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lda #3
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sta L91C96.BSR,x
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lda L91C96.3.REV,x
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cmp #DEVID
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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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cpx #$80
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bne .1
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>LDYA L.MSG.DETECT.KO
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>SYSCALL SYS.PSTROutYA
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lda #DEVMGR.ERRNOHW Not Found in any slot, exiting
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sec
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rts
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.3 stx DEVSLOTx0
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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 >LDYA L.MSG.DETECT.OK
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>SYSCALL SYS.PSTROutYA
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>LDYA L.DEV.HEADER.NAME
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>SYSCALL SYS.PSTROutYA
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lda #13
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>SYSCALL SYS.COutA
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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 "LanCeGS/L91c96 Driver.\n"
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MSG.DETECT.OK >PSTRING "LanCeGS/L91c96 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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.HS 00.00
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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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.DA $FFFF no 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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* 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
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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
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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
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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 DEVSLOTx0
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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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DEVSLOTx0 .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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DEVFLAGS .DA #0
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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/LANCEGS.DRV.S
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ASM
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