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preliminary diskinfo command
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mgcaret
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316
diskinfo.s
Normal file
316
diskinfo.s
Normal file
@ -0,0 +1,316 @@
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; %help
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; diskinfo -- Display ProDOS disk/volume info.
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;
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; syntax: diskinfo
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; %hend
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.p02
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.include "davex-mg.inc"
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tptr = xczpage ; generic pointer
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tmp = tptr+1
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atflag = tmp+2 ; but 7 = off if AT present
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spflag = atflag+1 ; zero if smartport
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slot = spflag+1 ; slot address of device being processed
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unit = slot+2 ; unit number being analyzed
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devno = unit+1 ; device number being analyzed
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drvr = devno+1 ; drvr = driver address
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sessbuf = filebuff3
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sessbufsz = $200
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DEVCNT = $bf31 ; # of devices-1 (there must always be 1+)
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DEVLST = $bf32
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DEVADR = $bf10
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DX_start dx_mg_auto_origin ; load address
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DX_info $01,$12,dx_cc_any,$00
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DX_ptab
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DX_end_ptab
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DX_desc "Display disk/volunme info."
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DX_main main
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.proc main
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lda #$00
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sta slot ; init low byte
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sta devno ; init dev number
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jsr atcheck
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loop: ldx devno
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cpx DEVCNT
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bcc :+ ; not done yet
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beq :+ ; nor if equal to
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rts ; exit if greater than
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: jsr doid ; identify/get info for it
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jsr printinfo ; print the device info
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inc devno ; next device
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jmp loop
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.endproc
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; See TN.PDOS.20 and 21
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; expects device number (relative to DEVADR) in x
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.proc doid
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lda DEVLST,x
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and #$f0
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sta unit
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sta spflag ; flag no smartport (spflag = nonzero)
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lsr
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lsr
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lsr
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lda DEVADR,x
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sta drvr
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lda DEVADR+1,x
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sta drvr+1
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jsr isslot
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sta slot+1 ; zeroed if not slot device
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beq :+ ; and done
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ldy #$07
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lda (slot),y
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sta spflag ; otherwise set smartport flag as needed
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: rts
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.endproc
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.proc printinfo
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jsr prheader
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jsr my_crout ; header does not print it
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jsr prslot
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jsr my_crout ; extra space between devices
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.endproc
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.proc prheader
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lda unit
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jsr xprint_sd ; print .sd
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jsr prcolon
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jsr maybeat
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bcc :+
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jmp printat
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: jsr ismirr
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bcc :+
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jsr xmess
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asc_hi "mirrored"
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.byte $00
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: jsr isslot
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bcc :+
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ldy #$ff
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lda (slot),y
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beq diskii
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clc
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adc #$01
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beq diskii ; 13-sector, should not happen
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lda spflag
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bne :+
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jsr xmess
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asc_hi "SmartPort "
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.byte $00
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: jsr xmess
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asc_hi "device "
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.byte $00
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rts
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diskii: jsr xmess
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asc_hi "Disk II"
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.byte $00
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rts
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.endproc
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.proc prslot
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jsr tab2
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lda slot+1
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beq :+
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jsr xmess
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asc_hi "Installed in slot "
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lda slot+1
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clc
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sbc #$10
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jsr cout
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jsr my_crout
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: rts
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.endproc
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; check to see if current device's driver is in a slot
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; return $Cn if so, $00 if otherwise, and Z flag set if so
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.proc isslot
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lda drvr+1
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and #$f0
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cmp #$c0
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bne :+
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lda drvr+1
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rts
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: lda #$00
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rts
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.endproc
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; check to see if current device is a mirrored device
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; return carry set if it is, clear otherwise
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; if carry set, A contains actual slot number of device
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.proc ismirr
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lda slot+1 ; high byte of slot pointer
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clc ; anticipate no slot
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beq :+ ; and bail if not
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lda drvr+1 ; get driver address high byte
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and #$0f ; mask off slot number
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sta tmp
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lda unit ; %DSSSXXXX unit number
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lsr ; %0DSSSXXX
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lsr ; %00DSSSXX
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lsr ; %000DSSSX
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lsr ; %0000DSSS
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and #$07 ; %00000SSS forget drive
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cmp slot+1 ; compare unit to slot
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clc ; anticipate not
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beq :+ ; if equal, it isn't
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sec ; flag it
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: rts
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.endproc
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.proc printat
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jsr prafp
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jsr xmess
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asc_hi "session "
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.byte $00
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ldy #$00
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lda (tptr),y
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tay
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lda #$00
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jsr xprdec_2
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jsr xmess
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asc_hi ", ID "
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.byte $00
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ldy #$1f
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lda (tptr),y
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tax
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dey
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lda (tptr),y
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tay
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txa
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jsr xprdec_2
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jsr my_crout
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jsr tab2
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jsr prafp
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ldy #$01 ; slot+drive and user flag
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lda (tptr),y
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ror ; bit 0 -> carry
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bcc :+
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jsr xmess
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.byte "user "
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.byte $00
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: jsr prvol
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jsr prcolon
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lda tptr ; get tptr to AFP volume name
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clc ; into AY
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adc #$02
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tay
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lda tptr+1
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adc #$00
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jmp xprint_path ; print pascal str in AY and leave
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.endproc
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.proc prafp
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jsr xmess
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asc_hi "AFP "
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.byte $00
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rts
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.endproc
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.proc prvol
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jsr xmess
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asc_hi "volume "
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.byte $00
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rts
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.endproc
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.proc prcolon
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jsr xmess
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asc_hi ": "
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.byte $00
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rts
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.endproc
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.proc maybeat
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bit atflag
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bmi :+
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notat: clc
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rts
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.pushcpu
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.pc02 ; AT requires one anyway
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: lda nument
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beq notat
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sta tmp
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loop: lda #<sessbuf
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sta tptr
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lda #>sessbuf
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sta tptr+1
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ldy #$01
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lda (tptr),y
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and #$f0
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cmp unit
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beq :+
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dec tmp
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beq notat
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lda #32
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clc
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adc tptr
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sta tptr
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bcc loop
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inc tptr+1
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bra loop
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: sec
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rts
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.popcpu
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.endproc
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.proc tab2
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jsr xmess
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asc_hi " "
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.byte $00
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rts
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.endproc
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.proc my_crout
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jsr xcheck_wait
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jmp crout
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.endproc
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.proc atcheck
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php
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cli ; allow interrupts for AT calls
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ATcall inforeq
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ror ; move carry into high bit
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sta atflag ; and use as flag
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rol ; put carry back
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bcs :+ ; and exit if none
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ATcall filsess ; get sessions
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bcc :+
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lda #$00
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sta nument ; ensure nument is 0 if error
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: plp
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rts
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; param list for GetInfo
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inforeq: .byte 0,2 ; sync GetInfo
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.word $0000 ; result code
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.dword $00000000 ; completion address
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thisnet: .word $0000 ; this network #
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abridge: .byte $00 ; local bridge
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hwid: .byte $00 ; hardware ID, IIgs only
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romver: .word $00 ; ROM version, IIgs only
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nodenum: .byte $00 ; node number
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; param list for FIListSessions
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; note format returned by FIListSessions
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; is nument 32-byte entries in the format:
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; $00 session reference number
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; $01 slot/drive
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; $02-$1D volume name
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; $13-$1F volume ID
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; the max number of these under P8 is 14, so the max data returned
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; is 14*32 = 448 bytes'
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filsess: .byte 0,$2f ; sync FIListSessions
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.word $0000 ; result code
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buflen: .word sessbufsz ; buffer length
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bufp: .dword sessbuf ; buffer pointer
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nument: .byte $00 ; entries returned
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.endproc
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nument = atcheck::nument
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DX_end
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