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A2osX/DRV/PPPSSC.DRV.S.txt
burniouf 3d241a05d8 KERNEL:changes for most compilers
2022-11-02 07:54:30 +01:00

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF drv/pppssc.drv
*--------------------------------------
DBG .EQ 1
HWFC .EQ 0
SWFC .EQ 1
INBUF.SIZE .EQ 2048
*--------------------------------------
.INB inc/macros.i
.INB inc/a2osx.i
.INB inc/kernel.i
.INB inc/mli.e.i
.INB inc/com.i
.INB inc/com.6551.i
.INB inc/nic.i
.INB inc/eth.i
.INB inc/net.tcpip.i
.INB inc/libtcpip.i
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPArgsPtr .BS 2
ZPPtr1 .BS 2
ZPPtr2 .BS 2
ZPPtr3 .BS 2
ZPBufLen .BS 2
FCS .BS 2
DWORD .BS 4
hETCFILE .BS 1
b7D .BS 1
bLCP .BS 1
bIPCP .BS 1
Len .BS 1
ZS.END .ED
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp Dev.Detect cld,jmp abs=DRV
.DA #$61 6502,Level 1 (65c02)
.DA #1 DRV Layout Version 1
.DA 0
.DA CS.END-CS.START Code Length
.DA 0
.DA 0
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
L.MSG.DETECT .DA MSG.DETECT
L.MSG.DETECT.OK .DA MSG.DETECT.OK
L.MSG.DETECT.KO .DA MSG.DETECT.KO
L.DRV.CS.START .DA DRV.CS.START
L.FD.DEV .DA FD.DEV
L.FD.DEV.NAME .DA FD.DEV.NAME
L.ETCFILE .DA ETCFILE
L.MSG.ETCFILE .DA MSG.ETCFILE
L.MSG.UNEXPECTED .DA MSG.UNEXPECTED
L.MSG.SYNTAX .DA MSG.SYNTAX
L.MSG.SSCInit .DA MSG.SSCInit
L.MSG.LCPInit .DA MSG.LCPInit
L.MSG.IPCPInit .DA MSG.IPCPInit
L.MSG.LocalIP .DA MSG.LocalIP
L.MSG.RemoteIP .DA MSG.RemoteIP
.DO DBG=1
L.MSG.DUMPBUF .DA MSG.DUMPBUFS
.DA MSG.DUMPBUFR
L.MSG.HEXDUMP .DA MSG.HEXDUMP
.FIN
L.LCP.ConfReq .DA LCP.ConfReq
L.LCP.EchoRep .DA LCP.EchoRep
L.IPCP.ConfReq .DA IPCP.ConfReq
L.IN.Buf .DA IN.Buf
L.IN.Bufp1 .DA IN.Buf+1
L.OUT.Buf .DA OUT.Buf
J.LCP .DA LCP.IN.ConfReq
.DA LCP.IN.ConfAck
.DA LCP.IN.ConfNak
.DA LCP.Discard
.DA LCP.Discard
.DA LCP.Discard
.DA LCP.Discard
.DA LCP.Discard
.DA LCP.IN.EchoReq
.DA LCP.Discard
.DA LCP.Discard
.DA LCP.Discard
.DA LCP.Discard
.DA LCP.Discard
.DA LCP.Discard
J.IPCP .DA IPCP.IN.ConfReq
.DA IPCP.IN.ConfAck
.DA IPCP.IN.ConfNak
.DA IPCP.Discard
.DA IPCP.Discard
.DA IPCP.Discard
.DA IPCP.Discard
.DA 0 End Of Reloc Table
*--------------------------------------
Dev.Detect >STYA ZPArgsPtr
>LDYA L.MSG.DETECT
>SYSCALL PutS
stz ZPPtr1
lda #$C1
sta ZPPtr1+1
.1 and #$0f
tay
lda A2osX.S,y
bne .3
ldx #DEVSIG.Length-1
.2 ldy DEVSIG.Offset,x
lda (ZPPtr1),y
cmp DEVSIG.Value,x
bne .3
dex
bpl .2
bra .4
.3 inc FD.DEV.NAME+3
inc ZPPtr1+1 no match, try next slot....
lda ZPPtr1+1
cmp #$C8
bne .1
>LDYA L.MSG.DETECT.KO
>SYSCALL PutS
lda #MLI.E.NODEV Not Found in any slot, exiting
sec
rts
.4 lda ZPPtr1+1
asl
asl
asl
asl
clc
adc #$8F
sta DEVSLOTn08F
*--------------------------------------
jsr SSC.Init
bcs .9
jsr PPP.ETCFILE
bcs .9
jsr PPP.Init
bcs .9
>PUSHW L.MSG.DETECT.OK
>PUSHW L.FD.DEV.NAME
>PUSHBI 2
>SYSCALL PrintF
bcs .9
>PUSHWI DRV.END
>PUSHWI DRV.CS.END-DRV.CS.START
>PUSHWI DRV.CS.START
>LDYA L.DRV.CS.START
>SYSCALL InsDrv
.9 bcs .99
>STYA FD.DEV+S.FD.DEV.DRVPTR
>PUSHW L.FD.DEV
>PUSHW L.FD.DEV.NAME
>SYSCALL MKDev
bcs .99
lda FD.DEV.NAME+3
and #$0F
tax
lda #A2osX.S.NIC
sta A2osX.S,x
* clc
rts
.99 pha
jsr SSC.Close
pla
* sec
Dev.Detect.RTS rts
*--------------------------------------
PPP.Init >LDYA L.MSG.LCPInit
>SYSCALL PutS
>LDYA L.LCP.EchoRep Pre calculate EchoRep FCS
jsr PPP.FCS16.Set
>LDYA L.LCP.ConfReq
jsr PPP.FCS16.Set
.DO DBG=1
>LDYA L.LCP.ConfReq
ldx #0
jsr DumpBuf.PPP
.FIN
>LDYA L.LCP.ConfReq
jsr SSC.WritePPP
bcs .9
.1 jsr SSC.ReadPPP
bcs .9
tya
beq .1
sty ZPBufLen
stz ZPBufLen+1
.DO DBG=1
>LDYA L.IN.Buf
ldx #2
jsr DumpBuf.PPP
.FIN
jsr PPP.IN.JUMP
bcs .9
bit bLCP
bpl .1
>LDYA L.MSG.IPCPInit
>SYSCALL PutS
jsr IPCP.OUT.ConfReq
bcs .9
.2 jsr SSC.ReadPPP
bcs .9
tya
beq .2
sty ZPBufLen
stz ZPBufLen+1
.DO DBG=1
>LDYA L.IN.Buf
ldx #2
jsr DumpBuf.PPP
.FIN
jsr PPP.IN.JUMP
bcs .9
bit bIPCP
bpl .2
* clc
rts
.9 jsr SSC.Close
lda #MLI.E.IO
* sec
rts
*--------------------------------------
PPP.IN.JUMP lda IN.Buf+3
cmp #$21
bne LCP.Discard
lda IN.Buf+2
cmp #$C0
bne .1
lda IN.Buf+4
beq LCP.Discard
cmp #16
bcs LCP.Discard
asl
tax
jmp (J.LCP-2,x)
.1 cmp #$80
bne LCP.Discard
lda IN.Buf+4
beq LCP.Discard
cmp #8
bcs LCP.Discard
asl
tax
jmp (J.IPCP-2,x)
*--------------------------------------
LCP.Discard
IPCP.Discard
clc
rts
*--------------------------------------
LCP.IN.ConfReq ldy #0
.1 lda IN.Buf,y FF03C021
sta OUT.Buf,y
iny
cpy #4
bne .1
lda #2 Configure-Ack
sta OUT.Buf,y
iny ID
lda IN.Buf,y
sta OUT.Buf,y
iny Len MSB
lda IN.Buf,y
sta OUT.Buf,y
sta ZPBufLen+1
iny Len LSB
lda IN.Buf,y
sta OUT.Buf,y
sta ZPBufLen
sec
sbc #4 minus LEN LEN ... FCS FCS
tax
iny First option ID
.2 lda IN.Buf,y
cmp #6 ACCM ?
bne .7
phy
phx
ldx #4
.3 lda IN.Buf+2,y
sta DWORD-1,x
iny
dex
bne .3
* ldx #0
ldy #0
.4 lda #1
.5 and DWORD,y
bne .6
stz ACCM.OUT,x
.6 inx
asl
bne .5
iny
cpy #4
bne .4
plx
ply
.7 jsr LCP.Ack.Copy
bne .2
lda ZPBufLen
clc
adc #6
sta ZPBufLen
bcc .8
inc ZPBufLen+1
.8 >LDYA L.OUT.Buf
jsr PPP.FCS16.Set
.DO DBG=1
>LDYA L.OUT.Buf
ldx #0
jsr DumpBuf.PPP
.FIN
>LDYA L.OUT.Buf
jmp SSC.WritePPP
*--------------------------------------
LCP.Ack.Copy txa
sec
sbc IN.Buf+1,y
pha
ldx IN.Buf+1,y
.1 lda IN.Buf,y
sta OUT.Buf,y
iny
dex
bne .1
plx
rts
*--------------------------------------
LCP.Ack.Next txa
sec
sbc IN.Buf+1,y
tax
tya
clc
adc IN.Buf+1,y
tay
rts
*--------------------------------------
LCP.IN.ConfAck sec
ror bLCP
clc
rts
*--------------------------------------
LCP.IN.ConfNak
clc
rts
*--------------------------------------
LCP.IN.EchoReq .DO DBG=1
>LDYA L.LCP.EchoRep
ldx #0
jsr DumpBuf.PPP
.FIN
>LDYA L.LCP.EchoRep
jmp SSC.WritePPP
*--------------------------------------
IPCP.IN.ConfReq ldy #0
.1 lda IN.Buf,y FF038021
sta OUT.Buf,y
iny
cpy #4
bne .1
lda #2 Configure-Ack
sta OUT.Buf,y
iny ID
lda IN.Buf,y
sta OUT.Buf,y
iny Len MSB
lda IN.Buf,y
sta OUT.Buf,y
sta ZPBufLen+1
iny Len LSB
lda IN.Buf,y
sta OUT.Buf,y
sta ZPBufLen
sec
sbc #4 minus LEN LEN ... FCS FCS
tax
iny First option ID
.2 lda IN.Buf,y
cmp #3 IP ADDR ?
bne .7
phy
phx
>PUSHW L.MSG.RemoteIP
ldx #0
.3 lda IN.Buf+2,y
sta DCB.GW,x
>PUSHA
iny
inx
cpx #4
bne .3
>PUSHBI 4
>SYSCALL PrintF
plx
ply
.7 jsr LCP.Ack.Copy
bne .2
lda ZPBufLen
clc
adc #6
sta ZPBufLen
bcc .8
inc ZPBufLen+1
.8 >LDYA L.OUT.Buf
jsr PPP.FCS16.Set
.DO DBG=1
>LDYA L.OUT.Buf
ldx #0
jsr DumpBuf.PPP
.FIN
>LDYA L.OUT.Buf
jmp SSC.WritePPP
*--------------------------------------
IPCP.IN.ConfAck sec
ror bIPCP
* clc
rts
*--------------------------------------
IPCP.IN.ConfNak ldy #10
ldx #0
>PUSHW L.MSG.LocalIP
.1 lda IN.Buf,y
sta IPCP.ConfReq,y
sta DCB.IP,x
>PUSHA
inx
iny
cpy #14
bne .1
>PUSHBI 4
>SYSCALL PrintF
*--------------------------------------
IPCP.OUT.ConfReq
>LDYA L.IPCP.ConfReq
jsr PPP.FCS16.Set
.DO DBG=1
>LDYA L.IPCP.ConfReq
ldx #0
jsr DumpBuf.PPP
.FIN
>LDYA L.IPCP.ConfReq
jmp SSC.WritePPP
*--------------------------------------
SSC.Init >LDYA L.MSG.SSCInit
>SYSCALL PutS
jsr SSC.Close
ldy #0
.10 lda SSC.STATUS-$8F,x
bit #SSC.STATUS.nDCD+SSC.STATUS.nDSR true when 0
bne .20
iny
bne .10
* bra .9
.20 lda #SSC.CTL.1S+SSC.CTL.8D+SSC.CTL.CLKINT+SSC.CTL.B115200
sta SSC.CTL-$8F,x
lda #SSC.CMD.NOP+SSC.CMD.TE+SSC.CMD.RIRQDIS+SSC.CMD.DTR
sta SSC.CMD-$8F,x
ldy #0
.1 lda SSC.STATUS-$8F,x
bit #SSC.STATUS.nDCD+SSC.STATUS.nDSR true when 0
beq .2
iny
bne .1
.9 lda #MLI.E.IO
sec
rts
.2 lda SSC.DATA-$8F,x discard any garbage byte
.DO SWFC=1
lda #C.XOFF
sta SSC.DATA-$8F,x
.FIN
.DO HWFC=1
lda #SSC.CMD.NOP+SSC.CMD.RIRQDIS+SSC.CMD.DTR
sta SSC.CMD-$8F,x
.FIN
clc
rts
*--------------------------------------
SSC.Close ldx DEVSLOTn08F
stz SSC.RESET-$8F,x
lda #SSC.CMD.RIRQDIS
sta SSC.CMD-$8F,x Applewin Bug ???
rts
*--------------------------------------
SSC.ReadPPP php
sei
ldx DEVSLOTn08F
.DO SWFC=1
lda #C.XON
sta SSC.DATA-$8F,x
.FIN
.DO HWFC=1
lda #SSC.CMD.NOP+SSC.CMD.TE+SSC.CMD.RIRQDIS+SSC.CMD.DTR
sta SSC.CMD-$8F,x
.FIN
stz b7D
.10 ldy #0
.1 lda SSC.STATUS-$8F,x
bit #SSC.STATUS.nDCD true when 0
bne .9
bit #SSC.STATUS.RDRF incoming char?
bne .3
iny
bne .1
.8
.DO SWFC=1
lda #C.XOFF
sta SSC.DATA-$8F,x
.FIN
.DO HWFC=1
lda #SSC.CMD.NOP+SSC.CMD.RIRQDIS+SSC.CMD.DTR
sta SSC.CMD-$8F,x
.FIN
plp
clc
rts
.3 lda SSC.DATA-$8F,x
bit b7D
bmi .4
cmp #$7D
bne .40
ror b7D
bra .1
.4 stz b7D
eor #%00100000
.40 cmp #$FF
bne .10
sta IN.Buf
ldy #1
stz b7D
.5 lda #SSC.STATUS.RDRF
.50 bit SSC.STATUS-$8F,x incoming char?
beq .50
lda SSC.DATA-$8F,x
bit b7D
bmi .6
cmp #$7D
bne .7
ror b7D
bra .5
.6 stz b7D
eor #%00100000
sta IN.Buf,y
iny
bra .5
.7 cmp #$7E
beq .8
sta IN.Buf,y
iny
bne .5
.9 lda #MLI.E.IO
plp
sec
.99 rts
*--------------------------------------
SSC.WritePPP >STYA ZPPtr1
ldy #7
lda (ZPPtr1),y Len LO
clc
adc #6
sta ZPPtr3
php
sei
ldx DEVSLOTn08F
lda SSC.STATUS-$8F,x
bit #SSC.STATUS.nDCD true when 0
bne .9
.DO HWFC=1
lda #SSC.CMD.NOP+SSC.CMD.TE+SSC.CMD.RIRQDIS+SSC.CMD.DTR
sta SSC.CMD-$8F,x
.FIN
lda #SSC.STATUS.TDRE
.1 bit SSC.STATUS-$8F,x Register Empty ?
beq .1
lda #$7E
sta SSC.DATA-$8F,x
.2 lda (ZPPtr1)
cmp #$7D
beq .5
cmp #$7E
beq .5
cmp #32
bcs .6
tay
lda ACCM.OUT,y
beq .53
.5 lda #SSC.STATUS.TDRE
.51 bit SSC.STATUS-$8F,x Register Empty ?
beq .51
lda #$7D
sta SSC.DATA-$8F,x
lda #SSC.STATUS.TDRE
.52 bit SSC.STATUS-$8F,x Register Empty ?
beq .52
lda (ZPPtr1)
eor #%00100000
bra .6
.53 lda (ZPPtr1)
.6 sta SSC.DATA-$8F,x
inc ZPPtr1
bne .60
inc ZPPtr1+1
.60 dec ZPPtr3
bne .2
lda #SSC.STATUS.TDRE
.7 bit SSC.STATUS-$8F,x Register Empty ?
beq .7
lda #$7E
sta SSC.DATA-$8F,x
lda #SSC.STATUS.TDRE
.8 bit SSC.STATUS-$8F,x Register Empty ?
beq .8
.DO HWFC=1
lda #SSC.CMD.NOP+SSC.CMD.RIRQDIS+SSC.CMD.DTR
sta SSC.CMD-$8F,x
.FIN
plp
clc
rts
.9 lda #MLI.E.IO
plp
sec
rts
*--------------------------------------
.DO DBG=1
DumpBuf.PPP >STYA ZPPtr1
stz ZPPtr2
stz ZPPtr2+1
ldy #7
lda (ZPPtr1),y Len LO
clc
adc #6
sta ZPPtr3
dey
lda (ZPPtr1),y Len HI
adc #0
sta ZPPtr3+1
>PUSHW L.MSG.DUMPBUF,x
>PUSHW ZPPtr3
>PUSHBI 2
>SYSCALL PrintF
bcs .9
.1 >PUSHW L.MSG.HEXDUMP
>PUSHW ZPPtr2
ldy #0
.2 >PUSHB (ZPPtr1),y
iny
cpy #16
bne .2
>PUSHBI 18
>SYSCALL PrintF
bcs .9
lda ZPPtr1
adc #16
sta ZPPtr1
lda ZPPtr1+1
adc #0
sta ZPPtr1+1
lda ZPPtr2
adc #16
sta ZPPtr2
bcs .8
lda ZPPtr2+1
adc #0
sta ZPPtr2+1
lda ZPPtr3
sec
sbc #16
sta ZPPtr3
lda ZPPtr3+1
sbc #0
sta ZPPtr3+1
bcc .9
ora ZPPtr3
bne .1
.8 clc
.9 rts
.FIN
*--------------------------------------
PPP.FCS16.Check sec
.HS 90 BCC
PPP.FCS16.Set clc
php
>STYA ZPPtr1
lda #$ff
sta FCS
sta FCS+1
ldy #7
lda (ZPPtr1),y Len LO
clc
adc #4 add FF 00 XX XX but dont include FCS FCS
eor #$ff
sta ZPPtr2
dey
lda (ZPPtr1),y Len HI
adc #0
eor #$ff
sta ZPPtr2+1
ldy #0
.1 inc ZPPtr2
bne .2
inc ZPPtr2+1
beq .7
.2 lda (ZPPtr1),y
iny
bne .3
inc ZPPtr1+1
.3 eor FCS
tax
lda FCS.LO,x
eor FCS+1
sta FCS
lda FCS.HI,x
sta FCS+1
bra .1
.7 plp
bcc .8 CC = set
lda FCS
eor #$ff
eor (ZPPtr1),y
bne .9
iny
lda FCS+1
eor #$ff
eor (ZPPtr1),y
bne .9
clc
rts
.8 lda FCS
eor #$ff
sta (ZPPtr1),y
iny
lda FCS+1
eor #$ff
sta (ZPPtr1),y
.9 rts
*--------------------------------------
.INB usr/src/drv/pppssc.drv.s.e
*--------------------------------------
CS.END
*--------------------------------------
DEVSIG.Offset .HS 05070B0C
DEVSIG.Value .HS 38180131
DEVSIG.Length .EQ DEVSIG.Value-DEVSIG.Offset
MSG.DETECT .CZ "PPP Driver For Apple SSC."
MSG.DETECT.OK .CZ "PPP Installed As Device : %s\r\n"
MSG.DETECT.KO .CZ "No SSC Found."
ETCFILE .AZ "${ROOT}etc/ppp.conf"
*--------------------------------------
MSG.ETCFILE .CZ "Executing %s File...\r\n"
MSG.UNEXPECTED .CZ "\r\nERR:Unexpected reply From Modem\r\n{%s}\r\n"
MSG.SYNTAX .CZ "\r\nERR:Bad Syntax In ppp.conf\r\n{%s}\r\n"
MSG.SSCInit .CZ "Connecting..."
MSG.LCPInit .CZ "LCP Negotiation..."
MSG.IPCPInit .CZ "IPCP Negotiation..."
MSG.LocalIP .CZ "Local IP is %d.%d.%d.%d\r\n"
MSG.RemoteIP .CZ "Remote IP is %d.%d.%d.%d\r\n"
.DO DBG=1
MSG.DUMPBUFS .CZ ">>Send:%H\r\n"
MSG.DUMPBUFR .CZ "Recv<<:%H\r\n"
MSG.HEXDUMP .CZ "%H:%h %h %h %h %h %h %h %h:%h %h %h %h %h %h %h %h\r\n"
.FIN
*--------------------------------------
FD.DEV .DA #S.FD.T.CDEV
.DA #0 HANDLER
.DA #0 BUSID
.DA #0 DEVID
.DA 0 BUSPTR
.BS 2 DRVPTR
.DA 0 DCBPTR
.DA 0 BUFPTR
FD.DEV.NAME .AZ "eth1"
*--------------------------------------
LCP.ConfReq .HS FF03
.HS C021 LCP
LCP.ConfReq.DATA
.HS 01 Configure-Request
.HS FF ID
.DA /LCP.ConfReq.LEN,#LCP.ConfReq.LEN
* .HS 01.04 MRU
* .DA /1400,#1400
.DO SWFC=1
.HS 02.06.000A0000 ACCM
.ELSE
.HS 02.06.00000000 ACCM
.FIN
.HS 05.06.EA4C2B41 MAGIC
* .HS 07.02
* .HS 08.02
LCP.ConfReq.LEN .EQ *-LCP.ConfReq.DATA
.BS 2 FCS
*--------------------------------------
IPCP.ConfReq .HS FF03
.HS 8021 IPCP
IPCP.ConfReq.DATA
.HS 01 Configure-Request
.HS FF ID
.DA /IPCP.ConfReq.LEN,#IPCP.ConfReq.LEN
* .HS 02.06.00.2D.0F.00 VJ
.HS 03.06.00.00.00.00 IP Address
IPCP.ConfReq.LEN .EQ *-IPCP.ConfReq.DATA
.BS 2 FCS
*--------------------------------------
IN.Buf .BS 256
OUT.Buf .BS 256
*--------------------------------------
.INB usr/src/drv/pppssc.drv.s.d
*--------------------------------------
MAN
SAVE usr/src/drv/pppssc.drv.s
ASM
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