A2osX/DRV/UTHERNET.DRV.S.txt

367 lines
7.1 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BOOT/DRV/UTHERNET.DRV
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB 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 SYS.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 SYS.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 SYS.PrintFYA
clc
rts
*--------------------------------------
.INB DRV/X.NET.DRV.S
*--------------------------------------
CS.END
MSG.DETECT >CSTRING "UtherNet/CS8900A Driver.\n"
MSG.DETECT.OK >CSTRING "UtherNet/CS8900A Installed As Device : "
MSG.DETECT.KO >CSTRING "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 >PSTRING "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 #$80
.10 ldy #S.EVT.DATAHI
sta (pEvent),y
>LDYA RTDATA,x discard RxStatus
lda RTDATA+1,x get RxLength
sta Size+1
pha
lda RTDATA,x
sta Size
clc
adc #2
tay
pla
bcc .11
inc
.11 >PUSHYA Size+2
>PUSHBI 0
>SYSCALL SYS.GetMem
bcs GETEVENT.Err
>STYA ZPTmpPTR
txa
ldy #S.EVT.DATALO
sta (pEvent),y
lda #S.EVT.F.NET+S.EVT.F.hMEM1
sta (pEvent)
lda Size
sta (ZPTmpPTR)
eor #$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