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A2osX/DRV/UTHER2.AI.DRV.S.txt
Rémy GIBERT e9793ad02b Kernel 0.9.1 : Move To S-C MASM 3.0
2017-12-22 22:24:30 +01:00

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NEW
PREFIX /A2OSX.BUILD
AUTO 4,1
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BUILD/DRV/UTHER2.AI.DRV
*--------------------------------------
.INB /A2OSX.BUILD/INC/MACROS.I
.INB /A2OSX.BUILD/INC/A2OSX.I
.INB /A2OSX.BUILD/INC/MLI.ERR.I
.INB /A2OSX.BUILD/INC/NIC.I
.INB /A2OSX.BUILD/INC/NIC.W5100.I
.INB /A2OSX.BUILD/INC/LIBTCPIP.I
*--------------------------------------
ZPTmpPTR .EQ ZPDRV
RXTX.Size .EQ ZPDRV+2
Counter .EQ ZPDRV+4
Offset .EQ ZPDRV+6
RX.IP .EQ ZPDRV+8
*--------------------------------------
* 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 PrintF.YA
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
sta W5100.MR,x
lda #0
.10 dec give some time....
bne .10
lda #W5100.MR.AI+W5100.MR.IND
sta W5100.MR,x
pha
pla
lda W5100.MR,x
cmp #W5100.MR.AI+W5100.MR.IND
bne .2
>AR.SELECT RTR
lda W5100.DR,x Get RTR HI
cmp /2000
bne .2
lda W5100.DR,x Get RTR LO
cmp #2000
beq .3
.2 dec DEV.HEADER.NAME+4
txa
sec
sbc #$10
tax
dey
bne .1
>LDYA L.MSG.DETECT.KO
>SYSCALL PrintF.YA
lda #MLI.E.NODEV
sec
rts
.3 stx DEVSLOTx0
lda #A2osX.S.NIC
sta A2osX.S,y
>LDYA ARGS
>STYA ZPTmpPTR
lda (ZPTmpPTR)
bne .4
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
bcc .8
lda #K.E.SYN
sec
rts
.8 >PUSHW L.DEV.HEADER.NAME
>LDYA L.MSG.DETECT.OK
>SYSCALL PrintF.YA
clc
rts
*--------------------------------------
.INB /A2OSX.SRC/DRV/X.NET.DRV.S
*--------------------------------------
CS.END
MSG.DETECT >CSTR "UtherNet2/W5100 Driver.\r\n"
MSG.DETECT.OK >CSTR "UtherNet2/W5100 Installed As Device : %S\r\n"
MSG.DETECT.KO >CSTR "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 >PSTR "ETH7"
*--------------------------------------
* Driver Code
*--------------------------------------
DRV.CS.START .DA STATUS
.DA READBLOCK
.DA WRITEBLOCK
.DA A2osX.BADCALL
.DA CONTROL
.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
>AR.SELECT S0.RX.RSR
lda W5100.DR,x get the received size HI
ora W5100.DR,x LO
bne READBLOCK.RxOK
lda #ERR.DEV.NOFRAME
sec
READBLOCK.RTS 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
and /RXTX.MASK
ora /RX.BASE
sta W5100.AR,x
tya
sta W5100.AR+1,x
ldy #0
.10 lda W5100.DR,x
sta RX.IP,y
iny
cpy #4
bne .10
ldy W5100.DR,x get RX.Size HI
sty RXTX.Size+1
lda W5100.DR,x get RX.Size LO
sta RXTX.Size
clc
adc #S.IP
pha
tya
adc /S.IP
ply
>SYSCALL GetMem.YA
bcs READBLOCK.RTS
>STYA ZPTmpPTR
stx .8+1
sty .8+3
sta .8+5
lda RXTX.Size
sta (ZPTmpPTR)
pha
eor #$ff
sta Counter
pla
* clc
adc #6 Header Size
sta RXTX.Size
ldy #1
lda RXTX.Size+1
sta (ZPTmpPTR),y
pha
eor #$ff
sta Counter+1
pla
adc #0
sta RXTX.Size+1
ldy #S.IP.DST+3
ldx #3
.1 lda RX.IP,x
sta (ZPTmpPTR),y
dey
dex
bpl .1
ldx DEVSLOTx0
ldy #S.IP
.2 inc Counter
bne .3
inc Counter+1
beq .4
.3 lda W5100.DR,x
sta (ZPTmpPTR),y
iny
bne .2
inc ZPTmpPTR+1
bne .2
.4 >AR.SELECT S0.RX.RD
lda Offset
clc
adc RXTX.Size
pha save LO
lda Offset+1
adc RXTX.Size+1
sta W5100.DR,x write HI
pla
sta W5100.DR,x write LO
>AR.SELECT S0.CR
lda #W5100.AR.S0.CR.RCVD
sta W5100.DR,x
.8 ldx #$ff hMem
ldy #$ff PtrLO
lda #$ff PtrHI
clc
rts
*--------------------------------------
WRITEBLOCK >STYA ZPTmpPTR
lda (ZPTmpPTR)
sec
sbc #S.IP-2
sta RXTX.Size
eor #$ff
sta Counter
ldy #1
lda (ZPTmpPTR),y
sbc /S.IP-2
sta RXTX.Size+1
eor #$ff
sta Counter+1
ldx DEVSLOTx0
>AR.SELECT S0.TX.FSR
lda W5100.DR,x get send size HI
ldy W5100.DR,x LO
cpy RXTX.Size
sbc RXTX.Size+1
bcs WRITEBLOCK.1
lda #ERR.DEV.NOBUFFER
sec
rts
WRITEBLOCK.1 >AR.SELECT S0.DIPR
ldy #S.IP.DST
.1 lda (ZPTmpPTR),y
sta W5100.DR,x
iny
cpy #S.IP.DST+4
bne .1
>AR.SELECT S0.PROTO
ldy #S.IP.PROTOCOL
lda (ZPTmpPTR),y
sta W5100.DR,x
>AR.SELECT S0.TX.WR
lda W5100.DR,x Get HI
ldy W5100.DR,x Get LO
and /RXTX.MASK
ora /TX.BASE
sta W5100.AR,x Write HI
sta Offset+1
tya
sta W5100.AR+1,x Write LO
sta Offset
ldy #S.IP
.2 inc Counter
bne .3
inc Counter+1
beq .8
.3 lda (ZPTmpPTR),y
sta W5100.DR,x
iny
bne .2
inc ZPTmpPTR+1
bne .2
.8 >AR.SELECT S0.TX.WR
lda Offset
clc
adc RXTX.Size
pha save LO
lda Offset+1
adc RXTX.Size+1
sta W5100.DR,x write HI
pla
sta W5100.DR,x write LO
>AR.SELECT S0.CR
lda #W5100.AR.S0.CR.SEND
sta W5100.DR,x
clc
rts
*--------------------------------------
OPEN jsr CLOSE
lda #W5100.MR.AI+W5100.MR.IND
sta W5100.MR,x
>AR.SELECT GAR
ldy #4
.1 stz W5100.DR,x
dey
bne .1
* >AR.SELECT SUBR
ldy #4
lda #255
.2 sta W5100.DR,x
dey
bne .2
* >AR.SELECT SHAR
ldy #0
.3 lda MAC,y
sta W5100.DR,x
iny
cpy #6
bne .3
* >AR.SELECT SIPR
ldy #4
.4 stz W5100.DR,x
dey
bne .4
>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
bra CONTROL.OPEN
*--------------------------------------
CONTROL >STYA ZPTmpPTR
ldx DEVSLOTx0
>AR.SELECT S0.CR
lda #W5100.AR.S0.CR.CLOSE
sta W5100.DR,x
.10 >AR.SELECT S0.SR
lda W5100.DR,x
bne .10 CLOSED ???
>AR.SELECT GAR
ldy #S.IPCFG.GW
.1 lda (ZPTmpPTR),y
sta W5100.DR,x
iny
cpy #S.IPCFG.GW+4
bne .1
* >AR.SELECT SUBR Implicit, next to GAR
ldy #S.IPCFG.MASK
.2 lda (ZPTmpPTR),y
sta W5100.DR,x
iny
cpy #S.IPCFG.MASK+4
bne .2
>AR.SELECT SIPR
ldy #S.IPCFG.IP
.3 lda (ZPTmpPTR),y
sta W5100.DR,x
iny
cpy #S.IPCFG.IP+4
bne .3
CONTROL.OPEN >AR.SELECT S0.MR
lda #W5100.AR.S0.MR.IPRAW+W5100.AR.S0.MR.MF
sta W5100.DR,x
>AR.SELECT S0.TOS
stz W5100.DR,x
* >AR.SELECT S0.TTL
lda #K.IP.TTL
sta W5100.DR,x
>AR.SELECT S0.CR
lda #W5100.AR.S0.CR.OPEN
sta W5100.DR,x
clc
rts
*--------------------------------------
CLOSE ldx DEVSLOTx0
lda #W5100.MR.RST
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
*--------------------------------------
DRV.CS.END
DEVSLOTx0 .BS 1
*--------------------------------------
DEVSTAT .DA #0
.BS 3 size
>PSTR "UtherNetII/W5100"
.DA #S.DSTAT.T.NET
.BS 1 Subtype
.BS 2 Version
*--------------------------------------
FLAGS .DA #S.DSTAT.NIC.FLAGS.ARPOFFLOAD+S.DSTAT.NIC.FLAGS.IPOFFLOAD
LINK.STATUS .DA #S.DSTAT.NIC.STATUS.OK+S.DSTAT.NIC.STATUS.FD+S.DSTAT.NIC.STATUS.100
MAC .BS 6
MAN
SAVE /A2OSX.SRC/DRV/UTHER2.AI.DRV.S
ASM
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