A2osX/DRV/UTHERNET2.DRV.S.txt

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2017-12-22 21:24:30 +00:00
NEW
PREFIX /A2OSX.BUILD
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AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
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.TF DRV/UTHERNET2.DRV
*--------------------------------------
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.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/MLI.ERR.I
.INB INC/NIC.I
.INB INC/NIC.W5100.I
.INB INC/LIBTCPIP.I
*--------------------------------------
ZPTmpPTR .EQ ZPDRV
RXTX.Size .EQ ZPDRV+2
Counter .EQ ZPDRV+4
Offset .EQ ZPDRV+6
*--------------------------------------
* 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
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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
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>SYSCALL printf
ldx #$70+$88
ldy #7
.1 lda A2osX.S,y IO based detection, avoid scanning in Disk Controller IO!!!!
bne .2
lda #W5100.MR.RST
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sta W5100.MR,x
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lda #0
.10 dec give some time....
bne .10
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lda #W5100.MR.AI+W5100.MR.IND
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sta W5100.MR,x
pha
pla
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lda W5100.MR,x
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cmp #W5100.MR.AI+W5100.MR.IND
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bne .2
>AR.SELECT RTR
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lda W5100.DR,x Get RTR HI
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cmp /2000
bne .2
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lda W5100.DR,x Get RTR LO
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cmp #2000
beq .3
.2 dec DEV.HEADER.NAME+3
txa
sec
sbc #$10
tax
dey
bne .1
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>LDYA L.MSG.DETECT.KO
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>SYSCALL printf
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lda #MLI.E.NODEV
sec
rts
.3 stx DEVSLOTx0
lda #A2osX.S.NIC
sta A2osX.S,y
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>LDYA ARGS
>STYA ZPTmpPTR
lda (ZPTmpPTR)
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bne .4
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lda #$00
sta MAC
lda #$08
sta MAC+1
lda #$DC
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
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bcc .8
lda #K.E.SYN
sec
rts
.8 >PUSHW L.DEV.HEADER.NAME
>LDYA L.MSG.DETECT.OK
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>SYSCALL printf
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clc
rts
*--------------------------------------
.INB /A2OSX.SRC/DRV/X.NET.DRV.S
*--------------------------------------
CS.END
MSG.DETECT .AZ "UtherNet2/W5100 Driver.\r\n"
MSG.DETECT.OK .AZ "UtherNet2/W5100 Installed As Device : %S\r\n"
MSG.DETECT.KO .AZ "Hardware Not Found.\r\n"
Args .BS 2
*--------------------------------------
* Device Header (16 Bytes)
*--------------------------------------
DEV.HEADER cld
jmp (DRV.CS.START,x)
.DA #0
.BS 6
DEV.HEADER.NAME .AZ "ETH7"
*--------------------------------------
* Driver Code
*--------------------------------------
DRV.CS.START .DA STATUS
.DA READBLOCK
.DA WRITEBLOCK
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA A2osX.BADCALL
.DA OPEN
.DA CLOSE
.DA A2osX.BADCALL
.DA A2osX.BADCALL
L.DEVSTAT .DA DEVSTAT
.DA 0 end or relocation
*--------------------------------------
STATUS >LDYA L.DEVSTAT
clc
rts
*--------------------------------------
READBLOCK ldx DEVSLOTx0
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>AR.SELECT S0.RX.RSR
lda W5100.DR,x get the received size HI
ora W5100.DR,x LO
bne READBLOCK.RxOK
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lda #MLI.E.EOF
sec
rts
READBLOCK.RxOK >AR.SELECT S0.RX.RD
lda W5100.DR,x get the received ptr HI
sta offset+1
ldy W5100.DR,x get the received ptr LO
sty offset
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and /RXTX.MASK
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ora /RX.BASE
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sta W5100.AR,x
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tya
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sta W5100.AR+1,x
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lda W5100.DR,x get RX.Size HI
sta RXTX.Size+1
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ldy W5100.DR,x get RX.Size LO
sty RXTX.Size
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>SYSCALL getmem
bcs .99
>STYA ZPTmpPTR
stx .8+1
sty .8+3
sta .8+5
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lda RXTX.Size
sec
sbc #2 Header Size
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sta (ZPTmpPTR)
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eor #$ff
sta Counter
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ldy #1
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lda RXTX.Size+1
sbc #0
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sta (ZPTmpPTR),y
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eor #$ff
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sta Counter+1
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ldx DEVSLOTx0
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iny
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.2 inc Counter
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bne .3
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inc Counter+1
beq .4
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.3 lda W5100.DR,x
sta (ZPTmpPTR),y
iny
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bne .2
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inc ZPTmpPTR+1
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bne .2
.4 >AR.SELECT S0.RX.RD
lda Offset
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clc
adc RXTX.Size
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pha save LO
lda Offset+1
adc RXTX.Size+1
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sta W5100.DR,x write HI
pla
sta W5100.DR,x write LO
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>AR.SELECT S0.CR
lda #W5100.AR.S0.CR.RCVD
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sta W5100.DR,x
.8 ldx #$ff hMem
ldy #$ff PtrLO
lda #$ff PtrHI
clc
.99 rts
*--------------------------------------
WRITEBLOCK >STYA ZPTmpPTR
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lda (ZPTmpPTR)
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sta RXTX.Size
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eor #$ff
sta Counter
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ldy #1
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lda (ZPTmpPTR),y
sta RXTX.Size+1
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eor #$ff
sta Counter+1
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ldx DEVSLOTx0
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>AR.SELECT S0.TX.FSR
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lda W5100.DR,x get send size HI
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ldy W5100.DR,x LO
cpy RXTX.Size
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sbc RXTX.Size+1
bcs WRITEBLOCK.1
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lda #MLI.E.EOF
sec
rts
WRITEBLOCK.1 ldy #S.ETH.SRCMAC+5
2016-04-18 20:15:34 +00:00
ldx #5
.1 lda MAC,x
sta (ZPTmpPTR),y
dey
dex
bpl .1
ldx DEVSLOTx0
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>AR.SELECT S0.TX.WR
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lda W5100.DR,x Get HI
ldy W5100.DR,x Get LO
and /RXTX.MASK
ora /TX.BASE
sta W5100.AR,x Write HI
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sta Offset+1
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tya
sta W5100.AR+1,x Write LO
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sta Offset
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ldy #2
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.2 inc Counter
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bne .3
inc Counter+1
beq .8
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.3 lda (ZPTmpPTR),y
sta W5100.DR,x
iny
bne .2
inc ZPTmpPTR+1
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bne .2
.8 >AR.SELECT S0.TX.WR
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lda Offset
clc
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adc RXTX.Size
pha save LO
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lda Offset+1
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adc RXTX.Size+1
sta W5100.DR,x write HI
pla
sta W5100.DR,x write LO
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>AR.SELECT S0.CR
lda #W5100.AR.S0.CR.SEND
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sta W5100.DR,x
clc
rts
*--------------------------------------
OPEN jsr CLOSE
lda #W5100.MR.AI+W5100.MR.IND
sta W5100.MR,x
>AR.SELECT SHAR
ldy #0
.1 lda MAC,y
sta W5100.DR,x
iny
cpy #6
bne .1
>AR.SELECT RMSR
lda #3 8k,0k,0k,0k
sta W5100.DR,x ...for Socket RX Buffers
sta W5100.DR,x ...for Socket TX Buffers
>AR.SELECT S0.MR
lda #W5100.AR.S0.MR.MACRAW+W5100.AR.S0.MR.MF
sta W5100.DR,x
>AR.SELECT S0.CR
lda #W5100.AR.S0.CR.OPEN
sta W5100.DR,x
2016-03-13 22:07:01 +00:00
clc
rts
*--------------------------------------
CLOSE ldx DEVSLOTx0
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lda #W5100.MR.RST
2016-03-13 22:07:01 +00:00
sta W5100.MR,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
clc
rts
2016-03-31 13:42:01 +00:00
*--------------------------------------
DRV.CS.END
DEVSLOTx0 .BS 1
2016-03-31 13:42:01 +00:00
*--------------------------------------
DEVSTAT .DA #0
.BS 3 size
>PSTR "UtherNetII/W5100"
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.DA #S.DIB.T.NET
.BS 1 Subtype
.BS 2 Version
*--------------------------------------
FLAGS .DA #0
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LINK.STATUS .DA #S.DIB.NIC.STATUS.OK+S.DIB.NIC.STATUS.FD+S.DIB.NIC.STATUS.100
MAC .BS 6
MAN
SAVE /A2OSX.SRC/DRV/UTHERNET2.DRV.S
ASM