A2osX/DRV/LANCEGS.DRV.S.txt

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PR#3
PREFIX /A2OSX.SRC
NEW
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INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BOOT/DRV/LANCEGS.DRV
*--------------------------------------
.INB /A2OSX.DEV/INC/MACROS.I
.INB /A2OSX.DEV/INC/A2OSX.I
.INB /A2OSX.DEV/INC/LIBTCPIP.I
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*--------------------------------------
ZPTmpPTR .EQ ZPDRV
*--------------------------------------
.INB DRV/X.NET.91C96.S
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*--------------------------------------
* 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
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>LDYA L.MSG.DETECT
>SYSCALL PrintFYA
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ldx #$10
.1 lda L91C96.BSR+1,x
cmp #DEVID
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beq .3
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inc DEV.HEADER.NAME+4
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txa
clc
adc #$10
tax
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bpl .1 not yat at $80
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>LDYA L.MSG.DETECT.KO
>SYSCALL PrintFYA
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lda #DEVMGR.ERRNOHW Not Found in any slot, exiting
sec
rts
.3 stx DEVSLOTx0
>LDYA ARGS
>STYA ZPTmpPTR
lda (ZPTmpPTR)
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beq .4
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sec
ror USERMAC
>SYSCALL GetMemPtrA
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>STYA ZPTmpPTR
jsr DecodeMac
bcc .4
lda #DEVMGR.ERRICL
sec
rts
.4 >PUSHW L.DEV.HEADER.NAME
>LDYA L.MSG.DETECT.OK
>SYSCALL PrintFYA
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clc
rts
*--------------------------------------
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.INB DRV/X.NET.DRV.S
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*--------------------------------------
CS.END
MSG.DETECT >CSTR "LanCeGS/SMSC91C96 Driver.\n"
MSG.DETECT.OK >CSTR "LanCeGS/SMSC91C96 Installed As Device : %S\n"
MSG.DETECT.KO >CSTR "Hardware Not Found.\n"
Args .BS 2
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*--------------------------------------
* Device Header (16 Bytes)
*--------------------------------------
DEV.HEADER cld
jmp (DRV.CS.START,x)
.DA #S.DEV.F.SHARE+S.DEV.F.EVENT
DEV.HEADER.NAME >PSTR "ETH1" NAME
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.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
*--------------------------------------
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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
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bmi .2
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.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
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lda #L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
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sta L91C96.1.CTR,x
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lda /L91C96.1.CTR.DEFAULT+L91C96.1.CTR.AUTOREL
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sta L91C96.1.CTR+1,x
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clc
rts
*--------------------------------------
* input :
* pEvent
* output :
* CC no event
* CS event
*--------------------------------------
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GETEVENT ldx DEVSLOTx0
lda #2
sta L91C96.BSR,x
lda L91C96.2.IST,x
and #L91C96.2.IST.RCV
bne GETEVENT.RxOK
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lda #ERR.DEV.NOFRAME
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sec
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rts
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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
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lda L91C96.2.DATA,x Get Frame Status Word (lo)
lda L91C96.2.DATA,x Get Frame Status Word (HI)
asl #$60 = Broadcast?
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ldy #S.EVT.DATAHI
sta (pEvent),y
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asl
asl #$10 = odd?
asl if odd, CS
lda L91C96.2.DATA,x get lo byte count
sbc #5 compute FRAMELEN
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sta FRAMELEN
tay
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lda L91C96.2.DATA,x get hi byte count
sbc #0
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sta FRAMELEN+1
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iny
bne .1
inc
.1 iny
bne .11
inc
.11 >PUSHYA FRAMLEN+2
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>PUSHBI 0
>SYSCALL GetMem
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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
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sta (ZPTmpPTR)
ldy #1
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lda FRAMELEN+1
sta (ZPTmpPTR),y
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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
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lda L91C96.2.DATA,x
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sta (ZPTmpPTR),y
iny
bne .2
inc ZPTmpPTR+1
bra .2
.8 lda #L91C96.2.MMUCR.REMREL
sta L91C96.2.MMUCR,x
clc
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rts
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.99 sec
rts
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*--------------------------------------
CLOSE jsr Reset
clc
rts
*--------------------------------------
* in:
* out:
* Y,A = BUFFER PTR
* CC on success
* CS on error
*--------------------------------------
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GETINFO lda #S.DEVINFO.NET.STATUS.10
sta LINK.STATUS
ldx DEVSLOTx0
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stz L91C96.BSR,x
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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
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clc
rts
*--------------------------------------
* in:
* PULLW = FRAME PTR
* PULLW = FRAME LEN
* out:
* CC on success
* CS on error
*--------------------------------------
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SEND >PULLW ZPTmpPTR
ldx DEVSLOTx0
lda #2
sta L91C96.BSR,x
lda (ZPTmpPTR)
sta FRAMELEN
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clc
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adc #6 3 WORDs more Status, len & Control
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bne .10
clc LO byte is 0, no need for an extra empty page
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.10 ldy #1
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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
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lda #ERR.DEV.NOBUFFER
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sec
rts
.3 lda L91C96.2.AAR,x
sta L91C96.2.PNR,x
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lda #L91C96.2.PTR.AUTOI
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sta L91C96.2.PTR,x
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lda /L91C96.2.PTR.AUTOI
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sta L91C96.2.PTR+1,x
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ldy #S.ETH.SRCMAC+5 Add Src MAC Address
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ldx #5
.4 lda MAC,x
sta (ZPTmpPTR),y
dey
dex
bpl .4
ldx DEVSLOTx0
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stz L91C96.2.DATA,x write fake status word
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stz L91C96.2.DATA,x
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lda FRAMELEN
pha
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eor #$01
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lsr
pla
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adc #$05 add 5 if odd, 6 if even
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sta L91C96.2.DATA,x
lda FRAMELEN+1
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adc #$00
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sta L91C96.2.DATA,x
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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
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sta L91C96.2.DATA,x
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iny
bne .5
inc ZPTmpPTR+1
bra .5
.70 lda #0
sta L91C96.2.DATA,x
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sta L91C96.2.DATA,x
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bra .8
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.71 pla
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sta L91C96.2.DATA,x
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lda #%00100000 signal an extra (odd) byte
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sta L91C96.2.DATA,x
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.8 lda #L91C96.2.MMUCR.NQPKT
sta L91C96.2.MMUCR,x
clc
rts
.9 sec
rts
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*--------------------------------------
* PRIVATE
*--------------------------------------
Reset ldx DEVSLOTx0
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stz L91C96.BSR,x
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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
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lda $C019
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.2 eor $C019
bpl .2
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stz L91C96.0.RCR,x
stz L91C96.0.RCR+1,x
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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
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USERMAC .BS 1
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FRAMELEN .BS 2
*--------------------------------------
DEVINFO .DA #S.DEVINFO.TYPE.NET
DEVFLAGS .DA #0
MAC .BS 6
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LINK.STATUS .BS 1 OK/DUPLEX/SPEED
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*--------------------------------------
MAN
SAVE DRV/LANCEGS.DRV.S
ASM