A2osX/BIN/LSDEV.S.txt

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PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BOOT/BIN/LSDEV
*--------------------------------------
.INB /A2OSX.DEV/INC/MACROS.I
.INB /A2OSX.DEV/INC/PRODOS.I
.INB /A2OSX.DEV/INC/A2OSX.I
*--------------------------------------
ZPPTR1 .EQ ZPBIN
ZPPTR2 .EQ ZPBIN+2
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA 0
.DA CS.END-CS.START Code Length To Relocate
.DA 0 Data Segment to Allocate
.DA 0
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.EVENT
.DA CS.QUIT
L.MSG0 .DA MSG0
L.MSG1 .DA MSG1
L.MSG2 .DA MSG2
L.MSG3 .DA MSG3
L.RAM .DA RAM
L.DISK2 .DA DISK2
L.GENERIC .DA GENERIC
.DA 0
*--------------------------------------
CS.INIT jsr DumpA2osXDev
bcs .9
jsr DumpProDOSDev
bcs .9
lda #0 tell TSKMGR that all done ok, but
.9 sec we do not want to stay in memory
rts
*--------------------------------------
DumpA2osXDev >LDYA L.MSG0
>SYSCALL CPrintFYA
>LDYAI DevMgr.Table
>STYA ZPPTR1
stz DEV.ID
.2 lda (ZPPTR1)
cmp #$D8
bne .8
ldy #S.DEV.JMP+1
>PUSHB (ZPPTR1),y
dey
>PUSHB (ZPPTR1),y
lda ZPPTR1
clc
adc #S.DEV.NAME
tay
lda ZPPTR1+1
adc #0
>PUSHYA
ldy #S.DEV.F
>PUSHB (ZPPTR1),y
ldy #S.DEV.ID
>PUSHB (ZPPTR1),y
>LDYA L.MSG1
>SYSCALL CPrintFYA
lda ZPPTR1
clc
adc #S.DEV
sta ZPPTR1
bcc .3
inc ZPPTR1+1
.3 inc DEV.ID
lda DEV.ID
cmp #K.DEV.MAX
bne .2
.8 clc
rts
*--------------------------------------
DumpProDOSDev >LDYA L.MSG2
>SYSCALL CPrintFYA
stz BLKCALL.PARAMS CmdNum = 0, STATUS Call
stz BLKCALL.PARAMS+4 ask for Block 0
stz BLKCALL.PARAMS+5 (in case driver check block validity before checking CmdNum)
ldx DEVCNT
stx DEV.ID
.1 ldx DEV.ID
ldy #1
lda DEVLST,x
bpl .2
iny
.2 sty Drive
and #$F0
sta BLKCALL.PARAMS+1 UnitNum for BLKCALL, if needed
lsr
lsr
lsr
tay Y = DSSS*2
lsr
and #$7
sta Slot
stz ZPPTR1 make Ptr1 = Cn00
lda DEVPTRS,y
sta ZPPTR2 make Ptr2 = Cnxx (prodos BLK entry point)
lda DEVPTRS+1,y
sta ZPPTR1+1
sta ZPPTR2+1
cmp #$C1
bcc .8 3rd Party Driver loaded in RAM...
cmp #$C8
bcs .4 In ProDOS Space.../RAM or DisK II
ldx #SmartPort.SIG-SmartPort.OFS
.3 ldy SmartPort.OFS-1,x Check if there is a smartport firmware
lda (ZPPTR1),y
cmp SmartPort.SIG-1,x
bne .6 not a smartport...go check $CnFE
dex
bne .3
jsr GO.SmartPort Perform a Smartpot STATUS call
bcs .8
jsr PrintDevStatus
bra .8
.4 cmp #$ff RAM ?
bne .5
>LDYA L.RAM
bra .7
.5 >LDYA L.DISK2
bra .7
.6 >LDYA L.GENERIC
.7 >STYA .71+1
ldy #16
.71 lda $ffff,y
sta UsrBuf256+S.SPSTAT.NAME,y
dey
bpl .71
>LDYA ZPPTR2 Get Block device PTR
jsr A2osX.BLKCALL
bcs .8
stx UsrBuf256+S.SPSTAT.BLKNUM
sty UsrBuf256+S.SPSTAT.BLKNUM+1
stz UsrBuf256+S.SPSTAT.BLKNUM+2
jsr PrintDevStatus
.8 dec DEV.ID
bmi .9
jmp .1
.9 clc
rts
*--------------------------------------
S.SPSTAT.STATUS .EQ 0
S.SPSTAT.STATUS.BLK .EQ %10000000
S.SPSTAT.STATUS.WRT .EQ %01000000
S.SPSTAT.STATUS.RD .EQ %00100000
S.SPSTAT.STATUS.ONL .EQ %00010000
S.SPSTAT.STATUS.FMT .EQ %00001000
S.SPSTAT.STATUS.WRP .EQ %00000100
S.SPSTAT.STATUS.IRQ .EQ %00000010
S.SPSTAT.STATUS.OPN .EQ %00000001
S.SPSTAT.BLKNUM .EQ 1
S.SPSTAT.NAME .EQ 4
S.SPSTAT.TYPE .EQ 21
S.SPSTAT.SUBTYP .EQ 22
S.SPSTAT.VER .EQ 23
S.SPSTAT .EQ 25
*--------------------------------------
GO.SmartPort ldy #$ff
lda (ZPPTR1),y
inc
inc
inc
sta .2+1 Entrypoint Offset=+3
lda ZPPTR1+1 Get $Cn
sta .2+2
and #$0f
cmp Slot Driver Slot match Dev Slot ?
beq .1 yes...
inc Slot
inc Slot
inc Slot
inc Drive no...
inc Drive Must have been remapped by ProDOS
.1 stz .3 CMD=Status
lda Drive
sta SMP.Params+1 UnitNum
.2 jsr $ffff
.3 lda SMP.Params will be relocated
rts
*--------------------------------------
PrintDevStatus >PUSHW UsrBuf256+S.SPSTAT.BLKNUM
ldy #S.SPSTAT.NAME
lda /UsrBuf256
>PUSHYA
>PUSHB Drive
>PUSHB Slot
>PUSHB UsrBuf256 STATUS
>PUSHB Dev.ID
>LDYA L.MSG3
>SYSCALL CPrintFYA
rts
*--------------------------------------
CS.RUN
CS.EVENT
CS.QUIT clc
rts
*--------------------------------------
CS.END
SmartPort.OFS .HS 01030507
SmartPort.SIG .HS 20000300
DiskII.OFS .HS 010305FF
DiskII.SIG .HS 20000300
MSG0 >CSTR "ID Flags Name Address\n"
MSG1 >CSTR "%03d %b %4S $%H\n"
MSG2 >CSTR "ID Flags Name Description Size\n"
MSG3 >CSTR "%03d %b S%dD%d %S %05D\n"
RAM >PSTR "ProDOS Ram Disk "
DISK2 >PSTR "Apple Disk ][ "
GENERIC >PSTR "Generic Blk Dev "
*--------------------------------------
SMP.Params .DA #3 Param Count
.BS 1 unitNumber
.DA UsrBuf256
.DA #3 Return DIB
*--------------------------------------
DEV.ID .BS 1
Slot .BS 1
Drive .BS 1
MAN
SAVE BIN/LSDEV.S
ASM