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A2osX/SYS/PM.VSDRIVE.S.txt

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KMs & PMs Cleanup #2
2022-03-13 12:58:15 +00:00
NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF sys/pm/pm.vsdrive
*--------------------------------------
.INB inc/macros.i
.INB inc/io.i
.INB inc/monitor.i
.INB inc/mli.i
.INB inc/mli.e.i
.INB inc/com.6551.i
*--------------------------------------
TmpPtr1 .EQ $0
ADT.CMD.VSD .EQ $C5 "E": Virtual Drive Command Envelope
ADT.CMD.PING .EQ $D9 "Y": PING
DRV.EntryPoint .EQ $BF41
*--------------------------------------
VSDRIVE.Init >LDYAI VSDRIVE.MSG0
jsr PrintFYA
jsr VSDRIVE.Check
bcs .90
stz TmpPtr1
lda #$C1
sta TmpPtr1+1
.2 jsr SSC.Detect
bcs .99
lda TmpPtr1+1 Slot Cn
and #$0F
pha slot n
>LDYAI VSDRIVE.SSCOK
jsr PrintFYA
jsr VSDRIVE.Ping
bcs .92
>LDYAI VSDRIVE.SRVOK
jsr PrintFYA
jsr VSDRIVE.SetSlot
bcs .91
pha Push slot
pha 2 times
>LDYAI VSDRIVE.DEVOK
jsr PrintFYA
jsr VSDRIVE.Install
>LDYAI VSDRIVE.OK
jsr PrintFYA
rts
.90 >LDYAI VSDRIVE.DRVKO
jsr PrintFYA
rts
.91 >LDYAI VSDRIVE.NOSLOT
jsr PrintFYA
rts
.92 pha Push EC
>LDYAI VSDRIVE.SRVKO
jsr PrintFYA
inc TmpPtr1+1
lda TmpPtr1+1
cmp #$C8
bne .2 Go try next SSC....
.99 >LDYAI VSDRIVE.SSCKO
jsr PrintFYA
rts
*--------------------------------------
VSDRIVE.Check ldx #COPYRIGHT.LEN
sec
.1 lda DRV.EntryPoint-1,x
eor COPYRIGHT-1,x
bne .9
dex
bne .1
clc
.9 rts
*--------------------------------------
SSC.Detect
.1 ldx #DEVSIG.Value-DEVSIG.Offset-1
.2 ldy DEVSIG.Offset,x
lda (TmpPtr1),y
cmp DEVSIG.Value,x
bne .3
dex
bpl .2
clc
rts
.3 inc TmpPtr1+1 no match, try next slot....
lda TmpPtr1+1
cmp #$C8
bne .1
sec
rts
*--------------------------------------
VSDRIVE.Ping lda TmpPtr1+1 A=SlotCN
asl
asl
asl
asl
clc
adc #$8F
tax X=SlotN0
php
sei
stz SSC.RESET-$8F,x
lda #SSC.CTL.1S+SSC.CTL.8D+SSC.CTL.CLKINT+SSC.CTL.B115200
sta SSC.CTL-$8F,x
lda #SSC.CMD.NOP+SSC.CMD.RIRQDIS+SSC.CMD.TE+SSC.CMD.DTR
sta SSC.CMD-$8F,x
lda SSC.DATA-$8F,x discard any garbage byte
lda SSC.STATUS-$8F,x clear any IRQ pending
stz VSDRIVE.Ping.TO
stz VSDRIVE.Ping.TO+1
.10 jsr VSDRIVE.IncTimer Wait.......
bne .10
ldy #10
.1 lda SSC.STATUS-$8F,x
and #SSC.STATUS.nDCD Ready for transmit?
beq .20
jsr VSDRIVE.IncTimer Wait.......
bne .1
dey
bne .1
lda #1
bra .9 Time Out.....
.20 ldy #5 5 bytes to send
.2 lda VSDRIVE.CMDS-1,y
sta SSC.DATA-$8F,x
.3 lda SSC.STATUS-$8F,x
and #SSC.STATUS.TDRE char transmitted?
bne .4
jsr VSDRIVE.IncTimer
bne .3
lda #2
bra .9
.4 dey
bne .2 next byte
lda #521^$ffff 522 bytes to receive
sta VSDRIVE.Ping.BC
lda /521^$ffff
sta VSDRIVE.Ping.BC+1
stz VSDRIVE.Ping.TO
stz VSDRIVE.Ping.TO+1
ldy #3 EC=3 if no byte received
.5 lda SSC.STATUS-$8F,x
and #SSC.STATUS.RDRF incoming char?
bne .6
jsr VSDRIVE.IncTimer
bne .5
tya
.9 stz SSC.CMD-$8F,x Applewin Bug ???
stz SSC.RESET-$8F,x
plp
sec
rts
.6 ldy #4 EC=4 if recieved only partial reply
lda SSC.DATA-$8F,x
inc VSDRIVE.Ping.BC
bne .5
inc VSDRIVE.Ping.BC+1
bne .5
lda #SSC.CMD.NOP+SSC.CMD.RIRQDIS+SSC.CMD.TE
sta SSC.CMD-$8F,x
plp
clc
rts
*--------------------------------------
VSDRIVE.IncTimer
inc VSDRIVE.Ping.TO
bne .8
inc VSDRIVE.Ping.TO+1
.8 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.LEN
.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
lda TmpPtr1+1 A=SlotCN
asl
asl
asl
asl
ora #SSC.DATA
sta DRV.SSCWrite.D+1
sta DRV.SSCSend.D+1
sta DRV.SSCGet.D+1
inc #SSC.STATUS
sta DRV.SSCWrite.S+1
sta DRV.SSCSend.S+1
sta DRV.SSCGet.S+1
sta DRV.SSCClose.S+1
inc #SSC.CMD
sta DRV.INIT.C+1
sta DRV.SSCClose.C+1
lda TmpPtr1+1 A=SlotCN
and #$0F
sta DRV.START
bit RROMBNK1
clc
rts
*--------------------------------------
.INB usr/src/shared/x.printf.s
*--------------------------------------
DEVSIG.Offset .HS 05070B0C
DEVSIG.Value .HS 38180131
VSDRIVE.MSG0 .AZ "VSDRIVE (ADTPro Virtual Serial HD) Driver For A2osX\n"
VSDRIVE.DRVKO .AZ "VSDRIVE (Or other custom Driver) Already Installed.\n"
VSDRIVE.SSCKO .AZ "SSC Not Detected.\n"
VSDRIVE.SSCOK .AZ "SSC 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 "VSDRIVE Installed 2 devices at S%d,D1 & S%d,D2.\n"
VSDRIVE.OK .AZ "VSDRIVE Driver Successfully Installed.\n"
*--------------------------------------
* ProDOS $BE41->$BE4B Patch for switching to BANK2 (10 bytes)
*--------------------------------------
COPYRIGHT .AS "(C)APPLE "
COPYRIGHT.LEN .EQ *-COPYRIGHT
PATCH .PH DRV.EntryPoint
bit RRAMWRAMBNK2
jsr $D002
bit RRAMWRAMBNK1
rts
.EP
PATCH.LEN .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
* PC,A1,A2 are used by Disk II Driver,
* so we use it safely as Tmp Ptr
*--------------------------------------
*DRV.PCL .EQ $3A
*DRV.PCH .EQ $3B
ProDOS.FX:XCLK support, PM.VEDRIVE
2022-04-19 18:24:34 +00:00
DRV.A1L .EQ $3C
DRV.A1H .EQ $3D
KMs & PMs Cleanup #2
2022-03-13 12:58:15 +00:00
*DRV.A2L .EQ $3E
*DRV.A2H .EQ $3F
*--------------------------------------
.DUMMY
.OR $3A
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 .BS 1
.ED
*--------------------------------------
DRV.COMMAND .EQ $42
DRV.UNITNUM .EQ $43
DRV.BUFF .EQ $44
DRV.BLKNUM .EQ $46
*--------------------------------------
DRV .PH $D001 Main LC Bnk 2 $D001->$DFFF
DRV.START .BS 1 SELF MODIFIED slot 0n
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 ....
bcc DRV.START.OK
DRV.START.IO lda #MLI.E.IO
sec
rts
DRV.START.OK tax
ora #2 W=2,R=3
bit DRV.UNITNUM
bpl .2
adc #2 CC from bcs
.2 sta DRV.CmdBuf.Cmd store cmd
lda #ADT.CMD.VSD
sta DRV.CmdBuf.Env
lda DRV.BLKNUM
sta DRV.CmdBuf.BlkL
lda DRV.BLKNUM+1
sta DRV.CmdBuf.BlkH
stz DRV.CmdBuf.Sum
*--------------------------------------
* send CMD+CS
*--------------------------------------
php
sei
phx
ldy #DRV.200.LEN-1
.1 lda DRV.200,y
sta $200,y
dey
bpl .1
* lda #SSC.CMD.NOP+SSC.CMD.RIRQDIS+SSC.CMD.TE+SSC.CMD.DTR
DRV.INIT.C inc SSC.CMD SELF MODIFIED
ldy #4 Send 5 bytes including Sum
.3 lda DRV.CmdBuf.Sum,y
jsr DRV.SSCSend
eor DRV.CmdBuf.Sum
sta DRV.CmdBuf.Sum
dey
bne .3
jsr DRV.SSCSend A = Sum
*--------------------------------------
plx
dex 1-1=0 if read
bne DRV.DO.CMD.W go write
*--------------------------------------
* Read block
*--------------------------------------
DRV.DO.CMD.R ldy #4 Read Back and check 4 bytes
.1 jsr DRV.SSCGet
eor DRV.CmdBuf.Sum,y
bne DRV.DO.CMD.ERR
dey
bne .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
.HS 90 BCC
.3 clc
.4 jsr DRV.SSCGet
jsr $200
eor DRV.CmdBuf.Sum
sta DRV.CmdBuf.Sum
iny
bne .4
inc DRV.BUFF+1
bcs .3
dec DRV.BUFF+1
dec DRV.BUFF+1
jsr DRV.SSCGet
eor DRV.CmdBuf.Sum
beq DRV.DO.CMD.OK
*--------------------------------------
DRV.DO.CMD.ERR jsr DRV.SSCClose
jmp DRV.START.IO
*--------------------------------------
* Write Block
*--------------------------------------
DRV.DO.CMD.W lda #$B1 lda (),y
sta $203
ldy #0
stz DRV.CmdBuf.Sum
sec
.HS 90 BCC
DRV.SSCWrite.1 clc
DRV.SSCWrite.2 jsr $200
tax
DRV.SSCWrite.S lda SSC.STATUS SELF MODIFIED
and #SSC.STATUS.TDRE Outgoing char?
beq DRV.SSCWrite.S
DRV.SSCWrite.D stx SSC.DATA SELF MODIFIED
txa
eor DRV.CmdBuf.Sum
sta DRV.CmdBuf.Sum
iny
bne DRV.SSCWrite.2
inc DRV.BUFF+1
bcs DRV.SSCWrite.1
dec DRV.BUFF+1
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
*--------------------------------------
DRV.DO.CMD.OK
*--------------------------------------
DRV.SSCClose
* lda #SSC.CMD.NOP+SSC.CMD.RIRQDIS+SSC.CMD.TE
DRV.SSCClose.C dec SSC.CMD SELF MODIFIED
DRV.SSCClose.S bit SSC.STATUS SELF MODIFIED
bmi DRV.SSCClose.S
plp
clc
rts
*--------------------------------------
DRV.SSCSend tax
DRV.SSCSend.S lda SSC.STATUS SELF MODIFIED
and #SSC.STATUS.TDRE Outgoing char?
beq DRV.SSCSend.S
DRV.SSCSend.D stx SSC.DATA SELF MODIFIED
txa Restore A for checksumming
rts
*--------------------------------------
DRV.SSCGet
DRV.SSCGet.S lda SSC.STATUS SELF MODIFIED
and #SSC.STATUS.RDRF incoming char?
beq DRV.SSCGet
DRV.SSCGet.D lda SSC.DATA SELF MODIFIED
rts
*--------------------------------------
DRV.200 bit RRAMWRAMBNK1
sta (DRV.BUFF),y
bit RRAMWRAMBNK2
rts
DRV.200.LEN .EQ *-DRV.200
*--------------------------------------
.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/pm.vsdrive.s
ASM
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