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A2osX/SYS/KM.VEDRIVE.S.txt

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Kernel 0.94
2020-08-31 15:29:32 +00:00
NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF sys/km.vedrive
*--------------------------------------
.INB inc/macros.i
.INB inc/io.i
.INB inc/monitor.i
.INB inc/mli.i
.INB inc/mli.e.i
*--------------------------------------
TmpPtr1 .EQ $0
ADT.CMD.VSD .EQ $C5 "E": Virtual Drive Command Envelope
ADT.CMD.PING .EQ $D9 "Y": PING
DRV.EntryPoint .EQ $BF41
*--------------------------------------
VSDRIVE.Init >LDYAI VSDRIVE.MSG0
jsr PrintFYA
jsr VSDRIVE.Check
bcs .90
.1 lda #$C1 Self Modified
.2 jsr SSC.Detect
bcs .99
stx DRV+2 DRV.Slotn0
sta .1+1 Slot Cn
and #$0F
pha slot n
>LDYAI VSDRIVE.SSCOK
jsr PrintFYA
jsr VSDRIVE.Ping
bcs .92
>LDYAI VSDRIVE.SRVOK
jsr PrintFYA
jsr VSDRIVE.SetSlot
bcs .91
pha Push slot
pha 2 times
>LDYAI VSDRIVE.DEVOK
jsr PrintFYA
jsr VSDRIVE.Install
>LDYAI VSDRIVE.OK
jsr PrintFYA
rts
.90 >LDYAI VSDRIVE.DRVKO
jsr PrintFYA
rts
.91 >LDYAI VSDRIVE.NOSLOT
jsr PrintFYA
rts
.92 pha Push EC
>LDYAI VSDRIVE.SRVKO
jsr PrintFYA
inc .1+1
lda .1+1
cmp #$C8
bne .2 Go try next SSC....
.99 >LDYAI VSDRIVE.SSCKO
jsr PrintFYA
rts
*--------------------------------------
VSDRIVE.Check bit RRAMWRAMBNK2
bit RRAMWRAMBNK2
clc
lda $D001
eor DRV
bne .8
lda $D002
eor DRV+1
bne .8
sec
.8 bit RROMBNK1
rts
*--------------------------------------
SSC.Detect stz TmpPtr1
sta TmpPtr1+1
.1 ldx #DEVSIG.Value-DEVSIG.Offset-1
.2 ldy DEVSIG.Offset,x
lda (TmpPtr1),y
cmp DEVSIG.Value,x
bne .3
dex
bpl .2
lda TmpPtr1+1 A=SlotCN
asl
asl
asl
asl
tax X=SlotN0
stz SSC.RESET,x
jsr VSDRIVE.Wait
lda #SSC.CTL.CLKINT+SSC.CTL.B115200+SSC.CTL.8D+SSC.CTL.1S+SSC.CMD.NOP
sta SSC.CTL,x
jsr VSDRIVE.Wait
lda #SSC.CMD.RIRQDIS+SSC.CMD.TE+SSC.CMD.DTR
sta SSC.CMD,x
jsr VSDRIVE.Wait
lda TmpPtr1+1 A=Slot Cn, X=n0
clc
rts X=SlotN0, A=SlotCN
.3 inc TmpPtr1+1 no match, try next slot....
lda TmpPtr1+1
cmp #$C8
bne .1
.9 sec
rts
*--------------------------------------
VSDRIVE.Ping ldx DRV+2 DRV.Slotn0
stz VSDRIVE.Ping.TO
stz VSDRIVE.Ping.TO+1
.10 jsr VSDRIVE.IncTimer Wait.......
bne .10
ldy #10
.1 lda SSC.STATUS,x
and #SSC.STATUS.TDRE Ready for transmit?
bne .20
jsr VSDRIVE.IncTimer Wait.......
bne .1
dey
bne .1
lda #1
sec
rts Time Out.....
.20 stz VSDRIVE.Ping.TO
stz VSDRIVE.Ping.TO+1
ldy #5 5 bytes to send
.2 lda VSDRIVE.CMDS-1,y
sta SSC.DATA,x
.3 lda SSC.STATUS,x
and #SSC.STATUS.TDRE char transmitted?
bne .4
jsr VSDRIVE.IncTimer
bne .3
lda #2
sec
rts
.4 dey
bne .2 next byte
lda #521^$ffff 522 bytes to recieve
sta VSDRIVE.Ping.BC
lda /521^$ffff
sta VSDRIVE.Ping.BC+1
stz VSDRIVE.Ping.TO
stz VSDRIVE.Ping.TO+1
ldy #3 EC if no byte recieved
.5 lda SSC.STATUS,x
and #SSC.STATUS.RDRF incoming char?
bne .6
* jsr VSDRIVE.Wait
jsr VSDRIVE.IncTimer
bne .5
tya
sec
rts
.6 ldy #4 EC=4 if recieved only partial reply
lda SSC.DATA,x
inc VSDRIVE.Ping.BC
bne .5
inc VSDRIVE.Ping.BC+1
bne .5
clc
rts
*--------------------------------------
VSDRIVE.IncTimer
inc VSDRIVE.Ping.TO
bne .8
inc VSDRIVE.Ping.TO+1
.8 rts
*--------------------------------------
VSDRIVE.Wait lda #0
.1 dec
bne .1
rts
*--------------------------------------
VSDRIVE.CMDS .HS C6.00.00.03
.DA #ADT.CMD.VSD
* C6=C5 eor 03 eor 00 eor 00
VSDRIVE.Ping.TO .BS 2
VSDRIVE.Ping.BC .BS 2
*--------------------------------------
* Find 2 free slots in DEVPTRS (D1 & D2)
*--------------------------------------
VSDRIVE.SetSlot ldx #2 Starts at Slot1
.1 lda DEVPTRS,x Drive1
cmp DEVPTRS pointing to S0D1 NODEV ?
bne .2
lda DEVPTRS+1,x
cmp DEVPTRS+1
bne .2
lda DEVPTRS+16,x Drive2
cmp DEVPTRS
bne .2
lda DEVPTRS+17,x
cmp DEVPTRS+1
bne .2
lda #DRV.EntryPoint
sta DEVPTRS,x
sta DEVPTRS+16,x
lda /DRV.EntryPoint
sta DEVPTRS+1,x
sta DEVPTRS+17,x
txa
asl
asl
asl
ora #$0D
ldy DEVCNT
iny
sta DEVLST,y add Drv1
ora #$80
iny
sta DEVLST,y add Drv2
sty DEVCNT
txa
lsr exit with A=SLOT
clc
rts
.2 inx
inx
cpx #16
bne .1
rts sec from CPX
*--------------------------------------
VSDRIVE.Install ldx #PATCH.SIZE
.1 lda PATCH-1,x
sta DRV.EntryPoint-1,x
dex
bne .1
bit RRAMWRAMBNK2
bit RRAMWRAMBNK2
ldx #DRV.SIZE
.2 lda DRV-1,x
sta $D000,x
dex
bne .2
bit RROMBNK1
clc
rts
*--------------------------------------
.INB usr/src/shared/x.printf.s
*--------------------------------------
DEVSIG.Offset .HS 05070B0C
DEVSIG.Value .HS 38180131
VxDrive: fix typo
2021-06-04 19:22:18 +00:00
VSDRIVE.MSG0 .AZ "VEDRIVE (ADTPro Virtual Ethernet HD) Driver For A2osX\n"
Kernel 0.94
2020-08-31 15:29:32 +00:00
VSDRIVE.DRVKO .AZ "VEDRIVE (Or other custom Driver) Already Installed.\n"
VSDRIVE.SSCKO .AZ "Uthernet2 Not Detected.\n"
VSDRIVE.SSCOK .AZ "Uthernet2 Found At Slot %d.\nContacting ADTPro Server..."
VSDRIVE.SRVKO .AZ "No Response From ADTPro Server (EC=%d).\n"
VSDRIVE.SRVOK .AZ "ADTPro Server Is Online.\n"
VSDRIVE.NOSLOT .AZ "No ProDOS device slot available.\n"
VSDRIVE.DEVOK .AZ "VEDRIVE Installed 2 devices at S%d,D1 & S%d,D2.\n"
VSDRIVE.OK .AZ "VEDRIVE Driver Successfully Installed.\n"
*--------------------------------------
* ProDOS $BE41->$BE4B Patch for switching to BANK2 (10 bytes)
*--------------------------------------
PATCH .PH DRV.EntryPoint
bit RRAMWRAMBNK2
jsr $D001
bit RRAMWRAMBNK1
rts
.EP
PATCH.SIZE .EQ *-PATCH
*--------------------------------------
* Driver
*--------------------------------------
* OP = 2 : Write drv1
* OP = 3 : Read drv1
* OP = 4 : Write drv2
* OP = 5 : Read drv2
* CMD = $C5+OP+BLKLO+BLKHI+CHKSUM
* DO NOT trash DRV.COMMAND...DRV.BLKNUM as ProDOS
* reuses them after Block operation
* A1,A2 are used by Disk II Driver,
* so we use it safely as Tmp Ptr
*--------------------------------------
DRV.A1L .EQ $3C
DRV.A1H .EQ $3D
DRV.A2L .EQ $3E
DRV.A2H .EQ $3F
DRV.COMMAND .EQ $42
DRV.UNITNUM .EQ $43
DRV.BUFF .EQ $44
DRV.BLKNUM .EQ $46
*--------------------------------------
DRV .EQ *
.PH $D001 Main LC Bnk 2 $D001->$DFFF
cld
DRV.Slotn0 ldx #$ff Self Modified
lda DRV.COMMAND S=0,R=1,W=2,F=3
bne .1
ldx #$ff return Status
ldy #$ff
.8 lda #0
clc
rts
.1 cmp #3
beq .8 Format ....
* bcs DRV.DO.CMD.ERR more....IO error
ora #2 W=2,R=3
ldy DRV.UNITNUM
bpl .2
adc #2 CC from bcs
.2 sta DRV.CmdBuf.Cmd store cmd
eor #ADT.CMD.VSD
eor DRV.BLKNUM
eor DRV.BLKNUM+1
sta DRV.CmdBuf.Sum Compute & store CheckSum
lda DRV.BLKNUM
sta DRV.CmdBuf.BlkL
lda DRV.BLKNUM+1
sta DRV.CmdBuf.BlkH
* send CMD+CS
ldy #4 Send 5 bytes including Sum
.3 lda DRV.CmdBuf.Sum,y
jsr DRV.SSCSend
dey
bpl .3
ldy #8
.5 lda DRV.READWRITE,y
sta $100,y
dey
bpl .5
*--------------------------------------
lda DRV.COMMAND
dec 1-1=0 if read
bne DRV.DO.CMD.W go write
*--------------------------------------
* Read block
*--------------------------------------
DRV.DO.CMD.R ldy #3 Read Back and check 4 bytes
.1 jsr DRV.SSCGet
eor DRV.CmdBuf.BlkH,y
bne DRV.DO.CMD.ERR
dey
bpl .1
ldy #4 Read 4 bytes DATE/TIME + 1 Byte Checksum
.2 jsr DRV.SSCGet
eor DRV.CmdBuf.Sum
sta DRV.CmdBuf.Sum
dey
bpl .2
tay Last EOR was with Checksum, must be 0
bne DRV.DO.CMD.ERR
* Y=0 from TAY
stz DRV.CmdBuf.Sum
sec
.3 jsr DRV.SSCGet
jsr $100
eor DRV.CmdBuf.Sum
sta DRV.CmdBuf.Sum
iny
bne .3
bcc .4
inc DRV.BUFF+1
clc
bcc .3
.4 dec DRV.BUFF+1
jsr DRV.SSCGet
eor DRV.CmdBuf.Sum
bne DRV.DO.CMD.ERR
rts A=0,CC from bcc .4
*--------------------------------------
DRV.DO.CMD.ERR1 pla
pla
DRV.DO.CMD.ERR lda #MLI.E.IO
sec
rts
*--------------------------------------
* Write Block
*--------------------------------------
DRV.DO.CMD.W lda #$B1 lda (),y
sta $103
ldy #0
stz DRV.CmdBuf.Sum
sec
.1 jsr $100
jsr DRV.SSCSend
eor DRV.CmdBuf.Sum
sta DRV.CmdBuf.Sum
iny
bne .1
bcc .2
inc DRV.BUFF+1
clc
bcc .1
.2 dec DRV.BUFF+1
* A = DRV.CmdBuf.Sum
jsr DRV.SSCSend
* read back CMD
ldy #4 Read 5 bytes (echo from server)
.3 jsr DRV.SSCGet
eor DRV.CmdBuf.Sum,y Check 5 bytes (including block Sum)
bne DRV.DO.CMD.ERR
dey
bpl .3
rts
*--------------------------------------
DRV.SendRCmd
DRV.SendWCmd
ldx DRV.Slotn0
>AR.Sn.SELECT S0.TX.FSR
lda W5100.DR,x get send size HI
ldy W5100.DR,x LO
cpy #5
sbc /5
bcc IOERR
>AR.Sn.SELECT S0.TX.WR
lda W5100.DR,x Get HI
ldy W5100.DR,x Get LO
and /TX.BASE
ora /RXTX.MASK
sta W5100.AR,x Write HI
pha
tya
sta W5100.AR+1,x Write LO
clc
adc #5
sta .3+1
pla
adc /0
sta .2+1
ldy #4
.1 lda DRV.CmdBuf.Sum,y
sta W5100.DR,x
dey
bpl .1
>AR.SELECT S0.TX.WR
.2 lda #$ff SELF MODIFIED
sta W5100.DR,x write HI
.3 lda #$ff SELF MODIFIED
sta W5100.DR,x write LO
>AR.Sn.SELECT S0.CR
lda #W5100.AR.Sn.CR.SEND
sta W5100.DR,x
rts
*--------------------------------------
DRV.READWRITE bit RRAMWRAMBNK1
sta (DRV.BUFF),y
bit RRAMWRAMBNK2
rts
*--------------------------------------
DRV.CmdBuf.Sum .BS 1 Reverse order for dey
DRV.CmdBuf.BlkH .BS 1
DRV.CmdBuf.BlkL .BS 1
DRV.CmdBuf.Cmd .BS 1
DRV.CmdBuf.Env .DA #ADT.CMD.VSD
*--------------------------------------
.EP
*--------------------------------------
.LIST ON
DRV.SIZE .EQ *-DRV
.LIST OFF
*--------------------------------------
* CONTROL SECTION :
*--------------------------------------
.DO DRV.SIZE>255
* ERROR:DRV.SIZE too big
.FIN
*--------------------------------------
MAN
SAVE usr/src/sys/km.vedrive.s
ASM
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