A2osX/DRV/UTHERNET.DRV.S.txt
2016-10-26 22:08:11 +02:00

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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