*--------------------------------------------------------*
* Dalton's Disk Disintegrater Version 2.1 Enhanced       *
* Packing algorithm by Dalton                            *
* Enhancement by Ziopoth of The Assembly Line - '86      *
* Disassembly by L.H.A - 04/86                           *
* Commenting by Sound Wave of The LEGION - 12/86         *
*                                                        *
* Coming soon (or maybe not so soon):                    *
* DDD ProDOS 8 v1.0 - packs 5.25 and 3.5" disks, no fuss *
* DDD ProDOS 16 v1.0 - IIgs only (uses all memory)       *
* The source code for above will be available-for free   *
*--------------------------------------------------------*

H00 = $00
WNDLFT = $20
WNDTOP = $22
WNDBTM = $23
CH = $24
CV = $25
BAS = $28
BS = $88
CTRLJ = $8A
CTRLK = $8B
CR = $8D
FA = $95
ESC = $9B
SPC = $A0
IOB = $F3
IN = $0200
H0300 = $0300
RESET = $03F2
H0800 = $0800
H0900 = $0900
H0C00 = $0C00
H4C00 = $4C00
FMTSLSEC = $B5C9 File Mgr T/S List Buffer Addr
HB500 = $B500
HB521 = $B521
HB527 = $B527
HB530 = $B530
HB534 = $B534
HB535 = $B535
HB57C = $B57C
RWTS = $BD00
KEY = $C000
STROBE = $C010
VTAB = $FC22
HOME = $FC58
CLRCR = $FD8B CLREOL, CR
PRBYTE = $FDDA
PRHEX = $FDE3
COUT = $FDED
SETINV = $FE80
SETNORM = $FE84
SETKBD = $FE89
SETVID = $FE93

*-------------------------------

 JSR SETKBD
 JSR SETVID
 JSR $03E3 Get IOB Addr in A, Y
 STY IOB
 STA IOB+1
 LDX #2
 LDY #$0E
 LDA (IOB),Y ;Get volume # of last access
 STA H468A,X
 INY
 LDA (IOB),Y
 LSR
 LSR
 LSR
 LSR
 STA H4684,X ;store last used slot*16 in 4684
 INY
 LDA (IOB),Y ;store last used drive #
 STA H4687,X
 LDA FMTSLSEC ;set up t/s list for when we
 STA IOB ;reconfigure
 LDA FMTSLSEC+1
 STA IOB+1
 LDY #$1E
 LDA (IOB),Y
 STA H468E ;track of sector #10 of DDD file
 INY
 LDA (IOB),Y
 STA H468F ;sector of sector #10 of DDD file
 JSR H38F4 ;make sure we're in main memory
   ;with 80Store on...

 BIT $C083 ;switch in 16k ramcard, read and
 BIT $C083 ;write ram (assuming it's there)
 LDX #0 ;check and see if we have at
H2F8D STX $E000 ;least 64k of memory...
 CPX $E000 ;this routine COULD be a
 BNE H2FCA ;little shorter...
 DEX
 BNE H2F8D

 BIT $C082 ;back to main memory
 LDA #$F8 ;make it show 64k
 STA H2FDC+1
 JSR H3CF9 ;clc = no //e,//c -- sec = 128k
 BCC H2FD2 ;if no 128k, set some flags, leave
 LDA #$FC ;else, make it show...
 STA H2FDC+1 ;128k

 STA $C005 ;write to aux 48k memory
 LDY #0 ;store a whole page of 0's from
H2FAF LDA $B600,Y ;$B600 to $BF00.  $0A pages.
H2FB2 STA $B600,Y
 INY
 BNE H2FAF

 INC H2FAF+2
 INC H2FB2+2
 LDA H2FAF+2
 CMP #$C0 ;have we reached the end yet?
 BLT H2FAF ;no, go do the other pages.
 STA $C004 ;switch in main 48k
 BGE H2FDA

H2FCA LDA #$FF ;flags indicate no 64k
 STA H390F ;if it has not 64k, it certainly
 STA H3912 ;doesn't have 128k...
H2FD2 LDA #$FF ;flags indicate no 128k
 STA H3915
 STA H3918

H2FDA LDY #3
H2FDC LDA :MEMORY,Y
 STA H3161,Y
 DEY
 BPL H2FDC
 LDA $03DA Get Addr for JMP to RWTS
 STA H3824+1
 LDA $03DB
 STA H3824+2
 JMP START

:MEMORY ASC "48k 64k 128k"

*--------------------------------------------------------*
* Note: All the memory from $2000 to $3000 is claimed by *
* a buffer used when we read a track from the disk to be *
* compacted, or after we have unpacked it, write the     *
* track back out.  16 pages of 256 bytes, get it?        *
* All the stuff before $3000 is only executed once, and  *
* is, therefore, expendable.                             *
*--------------------------------------------------------*

START JSR $FB2F ;Monitor INIT
 JSR HOME
 JSR DISPLAY ;show the following...

 ASC "[ ] ::: ::: ::: :::][::: ::: ::: ::: [ ]"
 ASC "|\|   Dalton's Disk Disintegrater    |/|"
 ASC "|/|       Version 2.1 Enhanced       |\|"
 ASC "|\|      Enhancement by Ziopoth      |/|"
 ASC "[ ] ::: ::: ::: :::][::: ::: ::: ::: [ ]"
 BRK

 LDA #5 ;top line is...
 STA WNDTOP ;line #5

H30D6 JSR HOME ;clear it,
 JSR SHOWBTM ;put "SOURCE:" on screen

 LDA #$10 ;line #16 is window bottom
 STA WNDBTM

H30E0 LDX #$FF ;reset the stack
 TXS

 JSR FIXRESET ;fix the rest vector to reboot
 JSR H38F4 ;switch in main memory...
 JSR HOME
 JSR H466D ;inverse SOURCE: over TARGET:

 LDX #0
 JSR H3221 ;go manage the screen movement...

 ASL  ;multiply our choice by 2
 ADC #<CHTABLE ;use our choice as an index
 STA IOB ;to go to the proper routine
 LDA #0 ;then return to the caller at the
 ADC #>CHTABLE ;main menu
 STA IOB+1

 LDY #0
 LDA (IOB),Y
 STA PNTWHERE
 INY
 LDA (IOB),Y
 STA PNTWHERE+1
 JSR DOROUT ;do whatever we need, then...
 JMP H30E0 ;return to main menu

DOROUT JMP (PNTWHERE) ;go to adr pointed to by the table
 RTS

PNTWHERE HEX 0000 ;pointer to wherever we're going...

CHTABLE DA PACK
 DA UNPACK
 DA CATALOG
 DA FORMAT
 DA NEWSLOT
 DA RECONFIG
 DA QUIT

FIXRESET LDA #0 ;make the reset routine point
 STA RESET ;to $3000
 LDA #$30
 STA RESET+1
 EOR #$A5
 STA $03F4 ;Fix power-up byte
 RTS

SHOWBTM JSR DISPLAY
 HEX 811000
 HEX 82
 DCI ' (  '
 ASC "SOURCE:"
 BRK
 LDX #0
 JSR H31EE ;display slot and drives used...
 JSR DISPLAY
 DCI "  "
 ASC "AVAILABLE RAM:"
H3161 ASC "48k "
 ASC '  '
 ASC " TARGET:"
 BRK
 LDX #1
 JSR H31EE ;put slot drive and volume
   ;assignments on screen
 JSR DISPLAY ;display the following...
 DCI "  "
 ASC " SECTOR COUNT:"
 HEX 811227 ;vtab 18,htab 39
 HEX 82
 ASC ' *'
 ASC "TRK                "
 ASC "1111111111111111222"
 ASC '  '
 ASC "   0123456789ABCDEF"
 ASC "0123456789ABCDEF012"
 ASC '  '
 ASC "ST:"
 HEX 82
 DCI " #"
 HEX 82
 ASC ' ('
 BRK
 LDA #$20 ;put an inverse space somewhere
 STA $07F7
 RTS

H31EE JSR DISPLAY ;put an 'S' up there...
 ASC "S"
 BRK
 LDA H4684,X ;get the current slot (src, trg)
 ORA #$B0
 JSR H44CD ;go print it; checking for Lcase
 JSR DISPLAY ;put a 'D' up there...
 ASC ",D"
 BRK
 LDA H4687,X ;get the current drive (scs,trg)
 ORA #$B0
 JSR H44CD ;go print it using Lcase filter
 JSR DISPLAY ;put a 'V' up there...
 ASC ",V"
 BRK
 LDA #0 ;high byte to br printed = $00
 STA H4620
 LDA H468A,X ;lo byte is the volume number
 STA H461F
 JSR H45DA ;convert hex # to decimal
 JSR H4621 ;print decimals as hex (PRHEX)
 RTS

H3221 LDA H32C1,X
 STA WNDLFT ;set left edge of window
 LDA #0
 STA CH ;set htab=0
 LDA #$18
 STA WNDBTM ;vtab 24 = screen bottom
H322E JSR H3295 ;set cursor vertical
]LOOP JSR H44D7 ;wait for key, update s scroll
 CMP #BS ;is it a backspace?
 BEQ UP ;yes! move the highlight up
 CMP #CTRLK ;is it the up arrow?
 BEQ UP ;yes, move the highlight up
 CMP #CTRLJ ;is it a down arrow?
 BEQ DOWN ;yes, move the highlight down
 CMP #FA ;is it a forward arrow?
 BEQ DOWN ;yes, move the highlight down
 CMP #ESC ;is it <Escape>?
 BEQ ESCAPE ;yes, return to main menu
   ;(if not already there)
 CMP #CR ;is it at carriage return?
 CLC
 BEQ RETURN ;yes, go service that routine
 BNE ]LOOP ;no, loop back...

UP DEC H32C7,X
 LDA H32C7,X
 CMP H32CA,X
 BPL H322E
 LDA H32CD,X
 STA H32C7,X
 DEC H32C7,X
 JMP H322E

DOWN INC H32C7,X
 LDA H32C7,X
 CMP H32CD,X
 BMI H322E
 LDA H32CA,X
 STA H32C7,X
 JMP H322E

ESCAPE LDA #0
 STA WNDLFT
 LDA #$10
 STA WNDBTM ;reset the current window
 JMP H30E0 ;return whence we came...

RETURN SEC
 LDA H32C7,X
 SBC H32CA,X
 LDX #0
 STX WNDLFT
 LDX #$10
 STX WNDBTM
 RTS

H3295 LDA H32C4,X ;get index to vertical curs pos
 STA CV
 JSR VTAB ;set it to the vtab value
 LDA H32CA,X
 STA H32C0
H32A3 CMP H32C7,X ;is it the one to be inverted?
 BNE H32AB ;no, don't invert it
 JSR SETINV ;yes, invert it
H32AB JSR H44B4 ;go get the index then print
 JSR SETNORM ;normal text
 JSR $FC62 ;do linefeed
 INC H32C0
 LDA H32C0
 CMP H32CD,X ;is it the last line?
 BNE H32A3 ;no, go do some others
 RTS

H32C0 BRK

H32C1 HEX 0C
 HEX 02 ;indexes for left edge of window
 HEX 06

H32C4 HEX 07
 HEX 11 ;indexes for vertical cursor pos
 HEX 09

H32C7 HEX 00
 HEX 07
 HEX 09
H32CA HEX 00
 HEX 07
 HEX 09
H32CD HEX 07
 HEX 09
 HEX 0D
 HEX 60

H32D1 DA T:PACK
 DA T:UNPACK
 DA T:CAT
 DA T:FORMAT
 DA T:NEW
 DA T:RECON
 DA T:QUIT
 DA T:SOURCE
 DA T:TARGET
 DA T:LCASE
 DA T:LANG
 DA T:AUXMEM
 DA T:SAVE

T:PACK ASC "PACK A DISK"
 BRK

T:UNPACK ASC "UNPACK A DISK"
 BRK

T:CAT ASC "CATALOG A DRIVE"
 BRK

T:FORMAT ASC "FORMAT A DISK"
 BRK

T:NEW ASC "NEW SLOT, DRIVE, VOL"
 BRK

T:RECON ASC "RECONFIGURE"
 BRK

T:QUIT ASC "QUIT & REBOOT"
 BRK

T:SOURCE ASC "SOURCE"
 BRK

T:TARGET ASC "TARGET"
 BRK

T:LCASE ASC "LOWERCASE"
 BRK

T:LANG ASC "LANGUAGE CARD"
 BRK

T:AUXMEM ASC "//E AUXILIARY MEM"
 BRK

T:SAVE ASC "SAVE CONFIGURATION"
 BRK

*-------------------------------
* Here begins the famous Dalton's
* packing routine.
*-------------------------------

PACK JSR HOME
 JSR DISPLAY ;go stick all this stuff all
 HEX 810612 ;over the screen at various
 ASC "Pack"     ;locations
 HEX 810712
 ASC "----"
 HEX 811604
 HEX 82
 DCI " #"
 HEX 811223
 ASC "000"
 HEX 810900
 ASC "Filename: "
 BRK
 JSR H4518 ;go get the filename
 CPX #0 ;is the length returned = 0?
 BNE H33D3 ;no, go pack the blasted thing
 RTS  ;yes, go back to the menu...

H33D3 LDA #0
 JSR H4630 ;put inverse "SOURCE:" on screen
 JSR H46E4 ;print "insert" and proper
   ;designation

 LDA #0
 STA H3C90
 STA H3C91
 STA H3C92
 STA H3C93
 STA H3B6E
 STA $F9 ;current track starts at $0
 STA H37FC

 JSR H388D ;$F8,$F7 point to $804 now
 LDA #1
 STA H373C

H33F9 LDA #0 ;zero out 2 pages of memory from
 TAY  ;$200 - $3FF
]LOOP STA $200,Y
 STA $300,Y
 INY
 BNE ]LOOP

 LDA #1 ;next operation by RWTS is read
 STA H3805

 LDA #$D2 ;go stick an 'R' on screen
 JSR H3CD2 ;and switch mem banks around

 JSR H3C94 ;read a WHOLE track into $2000

 LDA #$C3 ;go stick a 'C' on screen for
 JSR H3CD2 ;compacting; switch mem banks

  JSR H3485 ;Collect # of bytes in $200-$300

 LDA $F9 ;is this the first track? - $0?
 BNE H342D ;no, skip over this stuff:

 LDA #0 ;do this ONLY if this is the
 LDY #4 ;first track...
 JSR H35E6
 LDA H3807
 LDY #$80
 JSR H35E6

H342D JSR H34DA
 JSR H3527

 LDA #$AE ;print a period (.) on screen
 JSR H3CD2 ;indicating done w/track

 INC $F9 ;increment the current track

 LDA $F9 ;have we done $22 tracks yet?
 CMP #$23
 BNE H33F9 ;no, go do the rest...

 LDA #0 ;yes, now fiddle around a little...
 LDY #$80
 JSR H35E6
 JSR H38A6
 JSR H38F4 ;set up main memory, no aux
 JSR H399C

 LDA #1 ;put "TARGET:" in inverse
 JSR H4630

 LDA H3B6A
 STA H37FD
 LDA H3B6A+1
 STA H37FE

 LDA #$B6 ;file buffer is at $B600
 STA H3802

 JSR H3820 ;go write it
 JSR H3C66

 JSR H3BC0 ;update file descriptive entry?

 LDA #$11 ;track $11
 STA H37FD

 LDA #0 ;sector $0 - bit map
 STA H37FE

 LDA #$B5 ;buffer to be used is at $B500
 STA H3802

 JSR H3820 ;use RWTS - write bit map
 JSR H3CF2 ;turn off drive
 RTS  ;finish and leave... hallelujah!

H3485 JSR H3884 ;$F5 and $F6 point now to $2000
 LDY #0
H348A STY $FB
 LDA $F6
 STA $FC
 LDA ($F5),Y ;$2000,Y
 LDY #3
H3494 CMP ($FB),Y ;are they the same
 BNE H34BF ;no,...
 DEY
 BNE H3494
 LDY $FB
 LDX $F6
 CPX #$2F ;have we done all 16 pages?
 BNE H34A7 ;no, go do some more...
 CPY #$FD ;have done all but last 4 bytes?
 BCS H34BF ;nope, go collect some more bytes
H34A7 JSR H34D0
 JSR H34D0
 JSR H34D0
 JSR H34D0
 BEQ H34CF
H34B5 CMP ($F5),Y
 BNE H348A
 JSR H34D0
 BNE H34B5
 RTS

H34BF LDY $FB
 TAX
 INC $200,X ;up over $FF? (inc lo byte)
 BNE H34CA ;no, pop over this:
 INC H0300,X ;yes, increment the high byte
H34CA JSR H34D0
 BNE H348A
H34CF RTS  ;leave with my sanity intact...

H34D0 INY
 BNE H34D9
 INC $F6
 LDX $F6
 CPX #$30
H34D9 RTS

H34DA LDY #0
H34DC LDA #0
 STA H00,Y
 STA $FB
 STA $FC
 TAX
H34E6 LDA H0300,X
 CMP $FC
 BCC H3504
 BNE H34F6
 LDA IN,X
 CMP $FB
 BCC H3504
H34F6 LDA IN,X
 STA $FB
 LDA H0300,X
 STA $FC
 TXA
 STA H00,Y
H3504 INX
 BNE H34E6
 LDA H00,Y
 PHA
 STY H3526
 LDY #$80
 JSR H35E6
 LDY H3526
 PLA
 TAX
 LDA #0
 STA IN,X
 STA H0300,X
 INY
 CPY #$14
 BNE H34DC
 RTS

H3526 BRK

H3527 JSR H3884
 LDY #0
H352C STY $FB
H352E LDY $FB
 LDA $F6
 STA $FC
 LDA ($F5),Y
 LDY #3
H3538 CMP ($FB),Y
 BNE H358D
 DEY
 BNE H3538
 LDY $FB
 LDX $F6
 CPX #$2F
 BNE H354B
 CPY #$FD
 BCS H358D
H354B LDX #4
 STX $FF
 JSR H34D0
 JSR H34D0
 JSR H34D0
 JSR H34D0
 BEQ H356F
H355D CMP ($F5),Y
 BNE H356F
 INC $FF
 BEQ H356C
 JSR H34D0
 BNE H355D
 BEQ H356F
H356C JSR H34D0
H356F STY $FB
 PHA
 LDA #$97
 LDY #$80
 JSR H35E6
 PLA
 LDY #$80
 JSR H35E6
 LDA $FF
 LDY #$80
 JSR H35E6
 LDA $F6
 CMP #$30
 BNE H352E
 RTS
H358D LDY #$13
H358F CMP H00,Y
 BEQ H35B0
 DEY
 BPL H358F
 PHA
 LDA #0
 LDY #1
 JSR H35E6
 PLA
 LDY #$80
 JSR H35E6
H35A5 LDY $FB
 JSR H34D0
 BEQ H35AF
 JMP H352C
H35AF RTS
H35B0 TYA
 TAX
 LDY H35D2,X
 LDA H35BE,X
 JSR H35E6
 JMP H35A5
H35BE HEX 03
 HEX 09
 HEX 1F
 HEX 0F
 HEX 07
 HEX 1B
 HEX 0B
 HEX 0D
 HEX 15
 HEX 37
 HEX 3D
 HEX 25
 HEX 05
 HEX B1
 HEX 11
 HEX 21
 HEX 01
 HEX 57
 HEX 5D
 HEX 1D
H35D2 HEX 08
 HEX 08
 HEX 10
 HEX 10
 HEX 10
 HEX 10
 HEX 10
 HEX 10
 HEX 10
 HEX 20
 HEX 20
 HEX 20
 HEX 20
 HEX 20
 HEX 20
 HEX 20
 HEX 20
 HEX 40
 HEX 40
 HEX 40

H35E6 STA H373E
 STY H373D
 LDY #0
 LDA ($F7),Y
H35F0 LSR H373E ;divide by 10 (decimal)
 ROL  ;
 ASL H373C ;multiply it by 10 (decimal)
 BCC H360B ;was lo-bit set? no, branch...
 STA ($F7),Y
 ROL H373C
 JSR H38A2 ;check for memory full?
 BNE H3609 ;evidently not full, skip over
 JSR H399C ;ack! we must be full, go write
 JSR H4690 ;prompt to re-insert source
H3609 LDA ($F7),Y
H360B LSR H373D ;was high bit set?
 BCC H35F0 ;no, branch...
 STA ($F7),Y ;yes, store shifted value, why?
 RTS

*-------------------------------
* Here begins the equally famous
* Dalton's unpacking routine.
*-------------------------------

UNPACK JSR H3891 ;set up a pointer?
 JSR HOME ;clear the screen

 JSR H46E4 ;check for # of drives, prompt
   ;for source or target, etc...

 JSR H40CD ;put a LOT of stuff on screen
   ;then handle file selection

 PHA  ;push the current file #
 JSR HOME ;clear the screen
 JSR SHOWBTM ;setup display at page bottom
 LDA #0 ;go grab the current slots
 JSR H4630 ;print some extra stuff

 LDA #$10 ;bottom is reset to vtab 16
 STA WNDBTM

 JSR DISPLAY ;print the following...
 HEX 810611 ;vtab 6, htab 17
 ASC "Unpack"
 HEX 810711 ;vtab 6, htab 17
 ASC "------"
 HEX 810900 ;vtab 9, htab 0
 ASC "Filename: "
 BRK

 PLA  ;get the current file # back
 ASL  ;multiply it by 2

 TAX
 LDA H0900,X ;using the (file #)*2, get a
 STA IOB ;pointer to the filename...
 LDA H0900+1,X
 STA IOB+1

 LDY #9 ;skip over the boring stuff in
   ;the file description,
   ;what we want is the filename

H3661 LDA (IOB),Y ;is this the $00 eof marker?
 BEQ H366B ;yes, leave it..
 JSR H44CD ;no,
 INY  ;are we done?
 BNE H3661 ;nope, keep going...

H366B JSR DISPLAY ;show the following...
 HEX 811223 ;vtab 18, htab 33
 ASC "000"      ;clear the sector count
 BRK

 LDA H0800,X
 STA H37FD
 LDA H0800+1,X
 JSR H3948 ;get the T/S list for this file

 LDA #0
 STA $F9 ;current track is $0

 JSR H388D
 LDY #4
 JSR H370C
 CMP #0
 BEQ H36C3

 JSR DISPLAY
 HEX 810C03
 ASC "This file was not packed by DDD II."
 HEX 8D8D
 BRK

 JSR H45BE
 JMP H30E0

H36C3 JSR H46B2
 LDY #$80
 JSR H370C
 JSR H3754
 STA $FA
 STA H37FC
 LDA #$C9 ;put an 'I' on screen, also
 JSR H3CD2 ;switch in main memory
 LDA #4
 STA H3805 ;next operation is format ($04)
 JSR H3820 ;go do it with RWTS
 JSR H3CEB ;keep drive running
H36E3 LDA #2
 STA H3805 ;next operation is write ($02)
 LDA #$C4 ;put a 'D' on screen, and
 JSR H3CD2 ;switch in proper memory banks
 JSR H373F
 JSR H3760
 LDA #$D7 ;put a 'W' on screen
 JSR H3CD2 ;and switch in probably main mem
 JSR H3C94 ;go write out a track from $2000
 LDA #$AE ;put a period (.) on screen
 JSR H3CD2 ;and switch mem banks
 INC $F9 ;do next track
 LDA $F9
 CMP #$23 ;have we done all the tracks?
 BNE H36E3 ;no, go do the next one
 JSR H3CF2 ;turn off the drive
 RTS  ;holy nuts, we're done!

H370C STY H373D
 LDY #0
 STY H373E
 LDA ($F7),Y
H3716 ASL
 ROL H373E
 ASL H373C
 BCC H3731
 ROL H373C
 JSR H38A2
 BNE H372F
 JSR H391C
 JSR H46B2
 LDY #0
H372F LDA ($F7),Y
H3731 LSR H373D
 BCC H3716
 STA ($F7),Y
 LDA H373E
 RTS

H373C BRK
H373D BRK
H373E BRK
H373F LDX #$13
 STX $19
H3743 LDY #$80
 JSR H370C
 JSR H3754
 LDX $19
 STA $00,X
 DEC $19
 BPL H3743
 RTS

H3754 LDA #0
 LDX #8
H3758 ROR H373E
 ROL
 DEX
 BNE H3758
 RTS

H3760 JSR H3884
 LDY #0
H3765 STY $FB
 LDY #1
 JSR H370C
 BNE H3780
 LDY #$80
 JSR H370C
 JSR H3754
H3776 LDY $FB
 STA ($F5),Y
 JSR H34D0
 BNE H3765
 RTS

H3780 LDY #2
 JSR H370C
 STA $1D
 LDA #3
 STA $1C
H378B LDY #1
 JSR H370C
 LSR
 ROL $1D
 LDA $1D
 LDX $1C
 LDY H37F1,X
 STY $1E
 LDY H37F5,X
H379F CMP H37DD,Y
 BNE H37AA
 LDA H00,Y
 JMP H3776

H37AA DEY
 CPY $1E
 BNE H379F
 DEC $1C
 BPL H378B
 LDY #1
 JSR H370C
 LDY #$80
 JSR H370C
 JSR H3754
 PHA
 LDY #$80
 JSR H370C
 JSR H3754
 STA $1C
 PLA
 LDY $FB
H37CE STA ($F5),Y
 JSR H34D0
 BNE H37D6
 RTS

H37D6 DEC $1C
 BNE H37CE
 JMP H3765

H37DD HEX 1C
 HEX 1D
 HEX 35
 HEX 00
 HEX 01
 HEX 02
 HEX 03
 HEX 08
 HEX 09
 HEX 0F
 HEX 1B
 HEX 05
 HEX 06
 HEX 0A
 HEX 0B
 HEX 0C
 INV 'NOAD'
H37F1 HEX FF
 HEX 02
 HEX 0A
 HEX 11
H37F5 HEX 02
 HEX 0A
 HEX 11
 HEX 13

H37F9 HEX 01 ;start of RWTS parm table
H37FA HEX 60 ;slot * 16
H37FB HEX 01 ;drive
H37FC HEX 00 ;volume

H37FD HEX 00 ;track
H37FE HEX 00 ;sector

 HEX 0A ;address of device char table
 HEX 38 ;in this case, $380A

H3801 HEX 00 ;address of sector buffer lo
H3802 HEX 00 ;address of sector buffer hi

 HEX 00 ;not used
 HEX 00 ;byte count for partial sector

H3805 HEX 00 ;type of operation,$01=read
   ;$02=write,$03=seek,$04=format

H3806 BRK  ;return code [error #]

H3807 HEX FE6001 ;last used volume, slot, drive
 BRK
 HEX 01EFD8 ;device chars table

H380E LDA #$11 ;operation done to track $11
 STA H37FD
 LDA #0 ;sector $0
 STA H37FE
 LDA #$B5
 STA H3802 ;buffer is at $B500
 JMP H3820 ;go do it.
H3820 LDY #H37F9 ;pointers to start of RWTS table
 LDA #>H37F9
H3824 JSR RWTS ;go do it with RWTS
 LDA #0
 STA $48
 BCC H3883 ;was there an error? no, return

 JSR H38F4 ;switch in main memory
 JSR DISPLAY
 HEX 810C00
 ASC "  "
 INV 'RWTS ERROR'
 ASC " "
 HEX 87
 BRK
 LDA H3806 ;kind of error (return code)
 JSR PRBYTE ;go print it
 JSR DISPLAY
 ASC " on Track "
 BRK
 LDA H37FD ;occurring on track #XX
 JSR PRBYTE
 JSR DISPLAY
 ASC ", Sector "
 BRK
 LDA H37FE
 JSR PRBYTE ;sector #YY
 JSR CLRCR
 JSR CLRCR
 JSR H45BE ;ask them to press a key...
 LDA #0 ;reset lo byte of sector buffer
 STA H3801
 JMP START ;go restart

H3883 RTS

H3884 LDA #0 ;set up pointer to $2000
 STA $F5 ;otherwise known as the
 LDA #$20 ;track buffer...
 STA $F6
 RTS

H388D LDA #4 ;entry here-$F7 points to $804
 BNE H3893
H3891 LDA #0 ;entry here-$F7 points to $800
H3893 STA $F7
 LDA #8
 STA $F8
 LDA #0
 STA H3907 ;reset memory mode to 0
 STA H3908
 RTS

H38A2 INC $F7
 BNE H38DB
H38A6 INC $F8
 LDA $F8
 LDX H3908
 CMP H390B,X
 BNE H38DB
H38B2 INX
 INX
 INX
 CPX #$12
 BEQ H38DD
 LDA H3909,X
 BMI H38B2
 STA H3907
 LDA H390A,X
 STA $F8
 STX H3908

H38C9 JSR H38F4 ;set proper memory
 LDA H3907 ;get "mode"?
 BEQ H38DB ;is it a 0? yes...
 CMP #1 ;is it a 1?
 BNE H38DE ;no, go check for 2
 BIT $C08B ;read and write ram $D000
 BIT $C08B ;bank 1
H38DB LDA #1 ;set mode to 1?
H38DD RTS

H38DE CMP #2 ; is it a 2?
 BNE H38EB ;no, go set aux
 BIT $C083 ;if = 2 then read ram, $D000
 BIT $C083 ;bank 2
 LDA #1
 RTS

H38EB STA $C003 ;read and write aux mem if
 STA $C005 ;<> 2 and <> 1 and <> 0
 LDA #1
 RTS

H38F4 STA $C001 ;80Store is on
 BIT $C054 ;turn off page 2
 BIT $C057 ;Turn on Hires
 STA $C002 ;read main 48k
 STA $C004 ;write main 48k
 BIT $C082 ;read ROM
 RTS

H3907 BRK
H3908 BRK
H3909 BRK
H390A HEX 08
H390B HEX 20
 HEX 00
 HEX 48 ;$4800 to $B4FF-packed stuff
 HEX B5

H390F HEX 01
 HEX D0 ;16k ramcard bank2
 HEX E0 ;$D000 to $DFFF-packed stuff

H3912 HEX 02
 HEX D0 ;16kramcard bank1
 HEX 00 ;$D000 to $FFFF-packed stuff

H3915 HEX 03
 HEX 08 ;aux memory
 HEX 20 ;$800 to $1FFF-packed stuff

H3918 HEX 03
 HEX 40 ;aux memory
 HEX B7 ;$4000 to $B6FF-packed stuff

H391B HEX FF

H391C JSR H38F4
 JSR H3CF2
 JSR H4690
 LDA #1
 STA H3805
 LDA #0
 JSR H4630
 JSR H3891
H3932 JSR H38F4
 INC H399B
 INC H399B
 BNE H395B
 LDA $B600+1
 BEQ H3980
 STA H37FD
 LDA $B600+2
H3948 STA H37FE
 LDA #$B6
 STA H3802
 JSR H3820
 JSR H3C66
 LDA #$0C
 STA H399B
H395B LDX H399B
 LDA $B600,X
 BEQ H3980
 STA H37FD
 INX
 LDA $B600,X
 STA H37FE
 LDA $F8
 STA H3802
 JSR H38C9
 JSR H3820
 JSR H3C66
 JSR H38A6
 BNE H3932
H3980 JSR H3891
 LDA #1
 STA H373C
 LDA #2
 STA H3805
 LDA $FA
 STA H37FC
 JSR H38F4
 LDA #1
 JSR H4630
 RTS

H399B BRK

H399C STY H3526
 JSR H38F4
 JSR H3CF2
 LDA #1
 JSR H4630
 JSR H46B2
 LDA $F8
 STA H3B6F
 LDA H3907
 STA H3B70
 JSR H3891
 LDA H3B6E
 BNE H39F4
 INC H3B6E
 JSR H380E
 LDA #$12
 STA H3B71
 STA HB530
 STA H3B68
 LDA #1
 STA HB530+1
 LDA HB535
 STA H3B72
 JSR H3A7F
 JSR H3AA5
 LDA H3B71
 STA H3B6A
 STA H3B6C
 LDA H3B72
 STA H3B6B
 STA H3B6D
H39F4 JSR H3AA5
 INC H3B73
 INC H3B73
 BNE H3A39
 LDA #2
 STA H3805
 LDA H37FD
 STA $B600+1
 LDA H37FE
 STA $B600+2
 LDA #$B6
 STA H3802
 LDA H3B6A
 STA H37FD
 LDA H3B6B
 STA H37FE
 JSR H3820
 LDA $B600+1
 STA H3B6A
 LDA $B600+2
 STA H3B6B
 JSR H3A7F
 JSR H3C66
 JMP H39F4

H3A39 JSR H3C66
 LDX H3B73
 LDA H37FD
 STA $B600,X
 LDA H37FE
 STA $B600+1,X
 LDA $F8
 STA H3802
 LDA #2
 STA H3805
 JSR H38C9
 JSR H3820
 JSR H38A6
 JSR H38F4
 LDA $F8
 CMP H3B6F
 BNE H39F4
 LDA H3907
 CMP H3B70
 BNE H39F4
 JSR H3891
 LDA #0
 JSR H4630
 JSR H38C9
 LDY H3526
 RTS

H3A7F LDA #0
 TAX
H3A82 STA $B600,X
 INX
 BNE H3A82
 LDA H3C92
 STA $B600+5
 CLC
 ADC #$7A
 STA H3C92
 LDA H3C93
 STA $B600+6
 ADC #0
 STA H3C93
 LDA #$0A
 STA H3B73
 RTS

H3AA5 DEC H3B72
 BPL H3AAD
 JSR H3B20
H3AAD LDA H3B72
 JSR H3B78
 LDA H3B71
 ASL
 ASL
 ADC #$38
 TAX
 LDA HB500,X
 AND H3B74
 STA H3B69
 LDA HB500+1,X
 AND H3B75
 ORA H3B69
 STA H3B69
 LDA HB500+2,X
 AND H3B76
 ORA H3B69
 STA H3B69
 LDA HB500+3,X
 AND H3B77
 ORA H3B69
 BEQ H3AA5
 LDA H3B74
 EOR #$FF
 AND HB500,X
 STA HB500,X
 LDA H3B75
 EOR #$FF
 AND HB500+1,X
 STA HB500+1,X
 LDA H3B76
 EOR #$FF
 AND HB500+2,X
 STA HB500+2,X
 LDA H3B77
 EOR #$FF
 AND HB500+3,X
 STA HB500+3,X
 LDA H3B71
 STA H37FD
 LDA H3B72
 STA H37FE
 RTS

H3B20 CLC
 LDA HB530
 ADC HB530+1
 BNE H3B32
 LDA #1
 STA HB530+1
 LDA #$12
 BNE H3B3E
H3B32 CMP HB534
 BCC H3B3E
 LDA #$FF
 STA HB530+1
 LDA #$10
H3B3E CMP H3B68
 BEQ H3B9B
 STA HB530
 STA H3B71
 ASL
 ASL
 ADC #$38
 TAX
 LDA HB500,X
 ORA HB500+1,X
 ORA HB500+2,X
 ORA HB500+3,X
 BEQ H3B20
 LDA HB535
 STA H3B72
 DEC H3B72
 RTS

 BRK
 BRK
H3B68 BRK
H3B69 BRK
H3B6A BRK
H3B6B BRK
H3B6C BRK
H3B6D BRK
H3B6E BRK
H3B6F BRK
H3B70 BRK
H3B71 BRK
H3B72 BRK
H3B73 BRK
H3B74 BRK
H3B75 BRK
H3B76 BRK
H3B77 BRK

H3B78 TAX
 LDA #0
 STA H3B74
 STA H3B75
 STA H3B76
 STA H3B77
 SEC
H3B88 ROR H3B74
 ROR H3B75
 ROR H3B76
 ROR H3B77
 INX
 CPX HB535
 BLT H3B88
 RTS

H3B9B JSR H38F4
 JSR DISPLAY
 HEX 810F00
 INV 'ERROR!'
 ASC "  Disk Full."
 HEX 878D8D
 BRK
 JSR H45BE
 JMP H30E0

H3BC0 LDA HB500+1
 STA H37FD
 LDA HB500+2
 STA H37FE
 LDA #$B6
 STA H3802
 LDA #1
 STA H3805
H3BD6 JSR H3820
 LDX #$0B
H3BDB LDA $B600,X
 BMI H3BFD
 BEQ H3BFD
 TXA
 CLC
 ADC #$23
 TAX
 BNE H3BDB
 LDA $B600+1
 BNE H3BF1
 JMP H3B9B

H3BF1 STA H37FD
 LDA $B600+2
 STA H37FE
 JMP H3BD6

H3BFD LDA H3B6C
 STA $B600,X
 INX
 LDA H3B6D
 STA $B600,X
 INX
 LDA #4
 STA $B600,X
 LDY #0
H3C12 INX
 INY
 LDA H470D+2,Y
 BEQ H3C1E
 STA $B600,X
 BNE H3C12
H3C1E LDA #$0C
 JSR H3C5D
 LDA $0573
 JSR H3C60
 LDA $0574
 JSR H3C60
 LDA $0575
 JSR H3C60
 LDA #$0E
 JSR H3C5D
 LDA #SPC
H3C3C CPY #$1F
 BEQ H3C47
 STA $B600,X
 INX
 INY
 BNE H3C3C
H3C47 LDA H3C90
 STA $B600,X
 INX
 LDA H3C91
 STA $B600,X
 LDA #2
 STA H3805
 JSR H3820
 RTS

H3C5D CLC
 ADC #$B0
H3C60 STA $B600,X
 INX
 INY
 RTS

H3C66 INC $0575
 LDA $0575
 CMP #$BA
 BLT H3C87
 LDA #$B0
 STA $0575
 INC $0574
 LDA $0574
 CMP #$BA
 BLT H3C87
 LDA #$B0
 STA $0574
 INC $0573
H3C87 INC H3C90
 BNE H3C8F
 INC H3C91
H3C8F RTS

H3C90 BRK
H3C91 BRK
H3C92 BRK
H3C93 BRK

H3C94 JSR H38F4 ;start off 80Store = on
 JSR H44F8 ;was any key pressed?
 BCC H3C9F ;no, keep going...
 JSR H3CC1 ;check what type of key pressed
H3C9F LDA $F9
 STA H37FD ;current track in RWTS table
 LDA #$0F ;current sector in RWTS table
 STA H37FE
H3CA9 LDA H37FE
 CLC
 ADC #$20 ;add $20 to current sector
 STA H3802 ;becoming hi byte for file buff
 JSR H3820 ;go read or write it
 DEC H37FE ;do next sector
 BPL H3CA9 ;did we do downto $0? no, go on
 JSR H3CEB ;yes, keep the drive running
 JSR H38C9 ;return us to the proper memory
   ;"mode"
 RTS

H3CC1 CMP #ESC ;was the key <ESC>?
 BNE H3CD1 ;no, go back, whew
 JSR H3CF2 ;yes, nuts, shut off the drive
 LDX #$FF
 TXS  ;reset the stack
 JSR FIXRESET ;reset the reset vector
 JMP H30E0 ;start almost from scratch

H3CD1 RTS

H3CD2 JSR H38F4 ;put us in main memory
 STA H3CE6 ;put the character to be printed
 LDA $F9
 CLC
 ADC #4
 STA H3CE5 ;current track+4 = htab of print
 JSR DISPLAY
 HEX 8116
H3CE5 BRK  ;htab to be modified
H3CE6 HEX AE00 ;single character to be printed
 JMP H38C9 ;go exit through mem bnk switches

H3CEB LDX H37FA ;get current slot
 STA $C089,X ;turn on the motor
 RTS

H3CF2 LDX H37FA ;get current slot
 STA $C088,X ;turn on the motor
 RTS

H3CF9 LDA $FBB3 ;machine ID routine: get machID
 CMP #6 ;is it a //e or //c?
 BNE H3D17 ;no, clear carry, no 128k
 LDA $C017 ;completely undocumented.
 BMI H3D17 ;nope, no 128k
 STA $C005 ;we seem to have 128k, but we're
 STA $C003 ;still not sure, switch in aux
 INX
H3D0C STX H0800
 CPX H0C00 ;if they don't match, have 128k
 BNE H3D1A
 DEX
 BPL H3D0C ;else, keep trying like crazy...
H3D17 CLC
 BCC H3D1B ;nope, sorry, no 128k
H3D1A SEC  ;yep, 128k
H3D1B STA $C004 ;switch in main memory
 STA $C002
 RTS

*-------------------------------

FORMAT LDX #1 ;which to format?:src or target
 JSR H3221
 JSR H4630 ;choose
 JSR HOME
 JSR DISPLAY ;stick the following on screen
 HEX 810D00
 ASC "  Insert disk. "
 ASC "Press <space> to format"
 HEX 810E0A
 ASC "or <esc> to abort."
 BRK

H3D6F JSR H44D7 ;check for keypress & scroll >'s
 JSR H3CC1 ;check for <esc>, if so, leave...
 CMP #SPC ;is it a space?
 BNE H3D6F ;no, go check for one again...
 JSR HOME ;clear the screen
 JSR DISPLAY ;put this up...
 HEX 810D0C
 ASC "Formatting..."
 BRK

 LDA #4 ;send format request to IOB table
 STA H3805
 LDA #$FE ;volume 254
 STA H37FC
 JSR H3820 ;format it
 JSR H3E1C ;fill up $b500 with zeros
 LDA #$11 ;track of first catalog sector
 STA HB500+1 ;(building vtoc)
 LDA #$0F ;sector of first catalog sector
 STA HB500+2
 LDA #3 ;version of dos used (3.3)
 STA HB500+3
 LDA #$FE ;volume #
 STA HB500+6
 LDA #$7A ;122 T/S pairs in a T/S list
 STA HB527
 LDA #$12 ;next track to allocated is $12
 STA HB530
 LDA #1 ;next track to be allocated = +1
 STA HB530+1
 LDA #$23 ;$23 tracks/disk = 35
 STA HB534
 LDA #$10 ;sectors per track = 16
 STA HB535

 LDA #$FF ;now build the free space
 LDY #$3C ;bit map...
H3DD1 STA HB500,Y
 STA HB500+1,Y
 INY
 INY
 INY
 INY
 CPY #$C4
 BLT H3DD1

 LDA #0 ;mark $11 as being used
 STA HB57C
 STA HB57C+1

 LDA #2 ;next operation is write (RWTS)
 STA H3805
 LDA #$11 ;done to track $11
 STA H37FD
 LDA #0 ;sector $0
 STA H37FE
 LDA #$B5 ;using the buffer at $b500
 STA H3802
 JSR H3820 ;go do it

 JSR H3E1C ;fill up $b500 with zeros (again)
 LDA #$11 ;track $11
 STA HB500+1
 LDA #$0E ;sector $e is next catalog sector
 STA HB500+2
 LDA #$0F ;written to track $11, sector $F
 STA H37FE
H3E10 JSR H3820 ;build catalog sectors
 DEC H37FE ;do next in sequence
 DEC HB500+2
 BNE H3E10 ;have we done all? no, loop...
 RTS

H3E1C LDY #0 ;fill $B500 -$B5FF with zeros...
 TYA
H3E1F STA HB500,Y
 INY
 BNE H3E1F
 RTS

*-------------------------------

NEWSLOT LDX #0 ;routine to get new slot-drv-vol
H3E28 LDA H3EA5,X
 STA CV
 JSR VTAB
 LDA #10
 STA CH
 LDA H4684,X
 JSR H3E84
 STA H4684,X
 LDA #13
 STA CH
 LDA H4687,X
 JSR H3E84
 STA H4687,X
 LDA #16
 STA CH
 LDA H468A,X
 JSR H3EA7
 STA H468A,X
 INX
 CPX #2
 BLT H3E28
H3E5C LDX #0
 LDA H4684
 CMP H4685
 BNE H3E78
 LDA H4687
 CMP H4688
 BNE H3E78
 LDA H468A
 CMP H468B
 BNE H3E78
 LDX #$FF
H3E78 STX H468D
 RTS

H3E7C JSR H3E5C
 PLA
 PLA
 JMP H30E0
H3E84 STA H3EA4
H3E87 JSR H44DD
 CMP #ESC
 BEQ H3E7C
 CMP #CR
 BEQ H3EA0
 CMP #"1"
 BLT H3E87
 CMP #"9"+1
 BGE H3E87
 JSR H44CD
 AND #$0F
 RTS

H3EA0 LDA H3EA4
 RTS

H3EA4 BRK

H3EA5 ORA ($12),Y
H3EA7 STX H4384
 STA H3EA4
 LDA CH
 STA H3F52
H3EB2 LDA H3F52
 STA CH
 LDY #3
 LDA #SPC
H3EBB JSR H44CD
 DEY
 BNE H3EBB
 LDA H3F52
 STA CH
H3EC6 JSR H44DD
 CMP #CR
 BEQ H3F05
 CMP #ESC
 BNE H3ED7
 JSR H3F2F
 JMP H3E7C
H3ED7 CMP #BS
 BNE H3EF0
 CPY #0
 BEQ H3EC6
 DEY
 JSR H44CD
 LDA #SPC
 JSR H44CD
 LDA #BS
 JSR H44CD
 JMP H3EC6

H3EF0 CMP #"0"
 BLT H3EC6
 CMP #"9"+1
 BGE H3EC6
 JSR H44CD
 AND #$0F
 STA H3F4B,Y
 INY
 CPY #3
 BLT H3EC6
H3F05 CPY #0
 BEQ H3F2F
 DEY
 LDX #0
 STX H3F51
H3F0F LDA H3F4B,X
 BEQ H3F25
H3F14 CLC
 LDA H3F4E,Y
 ADC H3F51
 BCS H3EB2
 STA H3F51
 DEC H3F4B,X
 BNE H3F14
H3F25 INX
 DEY
 BPL H3F0F
 LDA H3F51
 STA H3EA4
H3F2F LDA H3F52
 STA CH
 LDA H3EA4
 PHA
 STA H461F
 LDA #0
 STA H4620
 JSR H45DA
 JSR H4621
 PLA
 LDX H4384
 RTS

H3F4B BRK
 BRK
 BRK
H3F4E HEX 01 ;1
 HEX 0A ;10
 HEX 64 ;100 -used to hex to dec convert
H3F51 BRK
H3F52 BRK

*-------------------------------

RECONFIG JSR HOME ;start of reconfigure routine
H3F56 JSR H403B ;put the stuff on the screen
 LDX #2
 JSR H3221 ;go manage the screen & keypress
 CMP #0 ;change lowercase?
 BNE H3F75 ;no go check the other stuff
 LDA H391B
 CMP #$FF ;is it off?
 BEQ H3F6D ;yes, change it to "on"
 LDA #$FF ;no, keep it as "off"
 BNE H3F6F ;go store it
H3F6D LDA #$DF ;flag to be and'ed to output
H3F6F STA H391B ;go store the flag then return
 JMP H3F56

H3F75 CMP #1 ;is it a call to change lang card
 BNE H3F97 ;no, go check the next option
 LDA H390F
 CMP #$FF ;is it already disabled?
 BEQ H3F8B ;yes, then enable it
 LDA #$FF ;no, disable it by replacing
 STA H390F ;these two flags...
 STA H3912
 JMP H3F56 ;return

H3F8B LDX #1 ;store a 1 at first flag position
 STX H390F ;enable $D000-$FFFF alt bank 1
 INX
 STX H3912 ;enable $D000-$FFFF alt bank 2
 JMP H3F56 ;return

H3F97 CMP #2 ;is it a call to aux mem?
 BNE H3FB8 ;no, go on to next...
 LDA H3915
 CMP #$FF ;is it already disabled?
 BEQ H3FAD ;yes, go enable it
 LDA #$FF ;no, disable it
 STA H3915 ;reset flag ($900-$1FFF) *
 STA H3918 ;reset flag ($400-$B6FF)
 JMP H3F56 ;return

H3FAD LDX #3 ;enable it
 STX H3915 ;set flag ($900-$1FFF) *
 STX H3918 ;set flag ($900-$1FFF)
 JMP H3F56 ;return

H3FB8 JSR HOME ;it HAS to be this option!
 JSR DISPLAY ;go stick this on screen
 HEX 810A00
 ASC "Insert DDD 2.1 enhanced into "
 BRK

 LDX #2 ;stick slot, drive, vol on scrn
 JSR H31EE
 JSR H44D7 ;go check for keypress...
 CMP #ESC ;is it <esc>?
 BEQ H4035 ;yes, just exit...
 LDA #2 ;go get right slot and volume...
 JSR H4630
 LDA #1 ;next operation to RWTS is read
 STA H3805
 LDA H468E ;get the proper track and sector
 STA H37FD ;to read (this was stored when
 LDA H468F ;the program initially started)
 STA H37FE
 LDA #$B5 ;buffer is at $B500
 STA H3802
 JSR H3820 ;go do it!

 LDA HB500 ;look for the pattern:
 CMP #$38 ;$38 $20 $DA at the front of
 BNE H3FB8 ;the buffer. These values change
 LDA HB500+1 ;as the program is reassembled
 CMP #$20 ;it is also a pain if one wants
 BNE H3FB8 ;to convert this to ProDOS or
 LDA HB500+2 ;add functions of one's own.
 CMP #$DA ;These bytes are in the front
 BNE H3FB8 ;of the 10th sector

 LDA #2 ;next operation is write
 STA H3805
 LDA #$41 ;point the RWTS buffer to $3841
 STA H3801
 LDA #$38
 STA H3802
 JSR H3820 ;go write it out
 LDA #0 ;zero the lo byte of the buffer
 STA H3801
H4035 JSR HOME ;clear the screen, redo screen
 JMP H3F56

H403B JSR DISPLAY
 HEX 81091C ;display message #9 in mess table
 BRK
 LDA H391B ;is it off or on?
 CMP #$FF
 BNE H404B ;no, go show it as "off"
 LDA #0 ;yes, show it as "on"
H404B JSR H4069 ;go display either "on" or "off"

 JSR DISPLAY
 HEX 810A1C ;display #10 - "Language Card"
 BRK
 LDA H390F ;is it off or on?
 JSR H4069 ;go print its status
 JSR DISPLAY

 HEX 810B1C ;display #11 - "//e Aux Mem"
 BRK
 LDA H3915
 JSR H4069 ;show either "off" or "on"
 RTS

H4069 BMI H4076 ;is it $80-$FF? yes, show "off"
 JSR DISPLAY ;no, $00-$7F, show "on"
 INV 'ON'
 ASC "/OFF"
 BRK
 RTS

H4076 JSR DISPLAY ;show "off" in inverse
 ASC "ON/"
 INV 'OFF'
 BRK
 RTS

*-------------------------------

QUIT LDX #1  ;select source or target
 JSR H3221
 TAX
 LDA H4684,X ;get slot to boot from
 ORA #$C0 ;make a slot address from it
 STA H40CA+2 ;make sure we boot from that
 JSR HOME ;slot...
 JSR DISPLAY ;stick this on screen
 HEX 810906
 ASC "Another fine program from:"
 HEX 810B0A
 ASC "The Assembly Line..."
 BRK
H40CA JMP $C600 ;go boot-Holy Smoke we're done!

H40CD LDA #0 ;get the target slot
 JSR H4630
 LDA #24 ;bottom of screen is true bott
 STA WNDBTM
 JSR HOME
 JSR DISPLAY ;stick this on screen
 HEX 810611
 ASC "Unpack"
 HEX 810711
 ASC "------"
 HEX 810C00
 HEX 82AD28 ;line of $28 dashes ($AD)

 HEX 811600
 HEX 82AD28 ;'nother line of $28 dashes
 ASC "   Use arrows and "
 ASC "<cr> to select file"
 BRK

 JSR H4279 ;read catalog into $800,$900...
 BNE H4153 ;there ARE file, go do routine
 JSR DISPLAY ;hurray! no files!
 HEX 811004
 ASC "There are no files on this disk"
 HEX 8D8D ;(add 2 cr's for emphasis)
 BRK
 JSR H45BE ;check for keypress
H4150 JMP H30D6 ;leave

H4153 LDA #0
 STA CH
H4157 STA H4194 ;first filename to be inverted
 JSR H4386 ;draw entire screen
H415D JSR H44D7 ;wait for keypress
 CMP #FA ;is it a forward arrow?
 BEQ H417C ;yes, move highlight down
 CMP #CTRLJ ;is it a down arrow?
 BEQ H417C ;yes, move highlight down
 CMP #BS ;is it a backspace?
 BEQ H4188 ;yes, move the highlight up
 CMP #CTRLK ;is it an up arrow?
 BEQ H4188 ;yes, move the highlight up
 CMP #ESC ;is it <esc>?
 BEQ H4150 ;yes, leave
 CMP #CR ;is it a <cr>?
 BNE H415D ;no, keep looking for keys
 LDA H4194 ;get current file highlighted
 RTS

H417C LDX H4194 ;which 1 is highlighted?
 INX  ;increment it (next down)
 CPX $F2 ;are we about to hl the last 1?
 BGE H415D ;yes, don't touch it, go back
 TXA  ;retain file # highlighted, ret
 JMP H4157 ;go back, redraw ENTIRE screen
H4188 LDX H4194 ;get current file #
 DEX  ;decrement it (next up)
 CPX #$FF ;have we gone back to the first?
 BEQ H415D ;yes, don't touch it, just exit
 TXA  ;retain file highlighted
 JMP H4157 ;redraw the ENTIRE screen

H4194 BRK  ;current file highlighted

*-------------------------------

CATALOG LDX #1 ;go get source or target
 JSR H3221
 JSR H4630
 LDA #6
 STA WNDTOP
 LDA #24
 STA WNDBTM
 JSR HOME
 JSR H4279
 JSR DISPLAY
 ASC "Catalog of S"
 BRK
 LDA H37FA
 LSR
 LSR
 LSR
 LSR
 ORA #$B0
 JSR H44CD
 JSR DISPLAY
 ASC ",D"
 BRK
 LDA H37FB
 ORA #$B0
 JSR H44CD
 JSR DISPLAY
 ASC ",V"
 BRK
 LDA #0
 STA H4620
 LDA H3807
 STA H461F
 JSR H45DA
 JSR H4621
 JSR DISPLAY
 HEX 8D8D
 BRK
 LDA #$0F
 STA H4445
 LDA #0
 STA H4194
H41FC CMP $F2
 BEQ H422B
 ASL
 TAX
 LDA H0900,X
 STA IOB
 LDA H0900+1,X
 STA IOB+1
 JSR H44A7
 JSR CLRCR
 DEC H4445
 BNE H4223
 JSR H44D7
 CMP #ESC
 BEQ H422B
 LDA #$0F
 STA H4445
H4223 INC H4194
 LDA H4194
 BNE H41FC
H422B JSR DISPLAY
 HEX 8D
 ASC "Free sectors: "
 BRK
 LDA H4277
 STA H461F
 LDA H4278
 STA H4620
 JSR H45DA
 JSR H4625
 JSR H45BE
 JMP H30D6

H4256 LDA #0
 STA H4277
 STA H4278
 LDY #$38
H4260 LDA HB500,Y
 LDX #8
H4265 ASL
 BCC H4270
 INC H4277
 BNE H4270
 INC H4278
H4270 DEX
 BNE H4265
 INY
 BNE H4260
 RTS

H4277 BRK
H4278 BRK

H4279 LDA #1 ;next operation by RWTS is read
 STA H3805
 LDA #0
 STA IOB
 LDA #$0A
 STA IOB+1
 LDA #0 ;pointer
 STA $F2
 JSR H380E ;read vtoc into $B500
 JSR H4256 ;calculate # of free sectors
H4290 LDA HB500+1 ;track # of first catalog sector
 BEQ H42DB ;is it a zero (yes! got problems)
 STA H37FD ;store it here (IOB table)
 LDA HB500+2 ;sector # of first catalog sector
 STA H37FE ;store it in IOB table
 JSR H3820 ;go get the sector
 LDX #$0B ;get file descriptive entry
H42A3 STX H4383 ;store it for future fooling
 LDA HB500,X ;get the track of first T/S list
 BMI H42D0 ;greater than $7F, then deleted file
 BEQ H42DB ;empty file entry (must be last file!)
 JSR H42E1 ;go create entry in $A00 table
 LDX $F2
 LDA IOB
 STA H0900,X
 LDA IOB+1
 INX
 STA H0900,X
 INX
 STX $F2
 TYA
 CLC
 ADC IOB
 STA IOB
 LDA IOB+1
 ADC #0
 STA IOB+1
 LDA $F2 ;are we done?
 BEQ H42DB ;yes, goto the end
H42D0 LDA H4383
 CLC
 ADC #$23 ;set up the pointer to next file
 TAX  ;description
 BCC H42A3 ;everything is OK, get next FDE
 BCS H4290 ;everything is NOT OK, reread
H42DB LDA $F2
 LSR  ;multiply by dec 10
 STA $F2
 RTS

H42E1 LDY $F2 ;file #
 STA H0800,Y ;store it someplace safe
 LDA HB500+1,X ;get sector of first t/s list
 STA H0800+1,Y ;store it at $801, indexed with Y
 LDA #$AA ;char for "*"
 LDY HB500+2,X ;get file type and flags
 BMI H42F5 ;oops, must be locked, use a "*"
 LDA #SPC ;a space will do...(unlocked)
H42F5 LDY #0 ;store it in the $A00 buffer
 STA (IOB),Y
 INY
 LDA HB500+2,X ;get the filetype & flags
 AND #$7F ;chop off locked flag if set
 LDX #$18 ;index to length of file type t
H4301 ASL  ;shift, is it that type of file?
 BCS H4309 ;yes, go label it in $A00
 DEX  ;nope, make the x-reg point at
 DEX ;the next 3 letter file type
 DEX
 BNE H4301 ;if tried all, loop back...
H4309 LDA TYPES,X ;now, move the 3 letter descr
 STA (IOB),Y ;downto the catalog buffer
 INX
 INY
 CPY #4
 BLT H4309

 LDA #SPC
 STA (IOB),Y ;put a space in buffer after
 INY  ;the file type (whew!)
 LDX H4383 ;get multiple of this file
 LDA HB521,X ;get lo byte of file length
 STA H461F ;store it here
 LDA HB521+1,X ;get hi byte of file length
 STA H4620 ;store it here
 JSR H45DA ;break up the file length into
   ;decimals in $6F,X
 LDX #2
H432D LDA $6F,X
 ORA #$B0
 STA (IOB),Y ;put broken up file length into
 INY  ;$A00 buffer as decimal file
 DEX  ;length
 BPL H432D

 LDX H4383 ;get multiple of file we're on
 INX
 INX
 INX
 STX H4384
 TXA
 CLC
 ADC #$1D
 TAX
 LDA #SPC
 STA (IOB),Y ;put another space before file name
 INY
H434A CMP HB500,X ;do we have a spc at the end of
 BNE H4352 ;the filename? no, part of filenme
 DEX  ;no, decrement it, keep looking for
 BNE H434A ;length of filename
H4352 INX
 STX H4385 ;x is the length of filename
 LDX H4384
H4359 LDA HB500,X ;now, fetch chars to $A00 until
 STA (IOB),Y ;you reach the length of the
 INY  ;filename
 INX
 CPX H4385 ;have we reached the end?
 BLT H4359 ;no, go get another char

 LDA #0
 STA (IOB),Y ;store a $00 as a marker...
 INY  ;return to sender
 RTS

TYPES ASC "TXTINTBASBIN S  R  A  B "

H4383 BRK
H4384 BRK
H4385 BRK

H4386 STA H4444 ;current highlighted file here
 LDA #0 ;zero this out
 STA H4443
 LDA $F2 ;how many files do we have?
 CMP #9
 BLT H43B2 ;less than 9! don't bother with
   ;scrolling...
 LDA H4444 ;is the highlighted item < 5?
 CMP #5
 BLT H43B2 ;yes, go print 'em
 SEC
 SBC #4 ;no subtract 4 to find #'s of the
 STA H4443 ;filenames to be on screen

 CLC  ;is the next filename at the bottom?
 ADC #9
 CMP $F2
 BLT H43B2 ;yes, print 'em
 BEQ H43B2 ;yes, print 'em
 LDA $F2 ;no, print the last 9 files.
 SEC
 SBC #9
 STA H4443
H43B2 LDA H4444 ;# of file to be highlighted * 2
 ASL
 STA H4444 ;store it
 LDA #9 ;file count starts at 9 works down
 STA H4445
 LDA H4443 ;are there any files above display?
 BNE H43D0 ;yes, print "[more]"
 JSR DISPLAY ;no, dash out the [more] if there
 HEX 810C11
 HEX 82AD06 ;print 6 dashes
 BRK
 JMP H43DD

H43D0 JSR DISPLAY ;stick it onscreen...
 HEX 810C11
 ASC "[more]"
 BRK

H43DD LDA #13
 STA CV
 JSR VTAB
 LDA #0
 STA CH
H43E8 LDA H4443 ;get the # above the screen
 ASL  ;multiply by 2
 TAX
 LDA H0900,X
 STA IOB
 LDA H0900+1,X
 STA IOB+1
 CPX H4444 ;is this the one? (highlighted?)
 BNE H43FF ;no, don't set inverse
 JSR SETINV ;yes, invert it
H43FF JSR H44A7 ;print the file description!
 JSR SETNORM ;normsl printing
 JSR CLRCR
 DEC H4445 ;the number to print becomes -1
 BEQ H4422 ;down to 0? yes, go check [more]
 INC H4443
 LDA H4443 ;have we done the last filename?
 CMP $F2
 BLT H43E8 ;no, go print another
 LDX H4445 ;have we printed last 9 filenames?
 BEQ H4422 ;yes, write [more] if needed
H441C JSR CLRCR
 DEX
 BNE H441C
H4422 LDX H4443 ;how many filenames above display
 INX
 CPX $F2 ;if less than total # of files,
 BLT H4435 then print [more]
 JSR DISPLAY
 HEX 811611 ;vtab 22, htab 17
 HEX 82AD06 ;print 6 dashes over [more]
 BRK
 RTS

H4435 JSR DISPLAY
 HEX 811611 ;vtab 22, htab 17 print "[more]
 ASC "[more]"
 BRK
 RTS

H4443 BRK
H4444 BRK  ;current highlighted file #
H4445 BRK  ;9 downto 0 # of filnames so far

DISPLAY PLA  ;get where we came from
 STA IOB ;put it in there
 PLA  ;hi byte of where we were
 STA IOB+1
 TYA
 PHA  ;save the y-reg as well
H444E LDY #1
H4450 LDA (IOB),Y ;get next character in sequence
 CMP #0 ;is it a $0?
 BEQ H4494 ;yes, leave print routine
 CMP #$81 ;is it a $81?
 BEQ H4467 ;yes, continue normally
 CMP #$82 ;is it an $82?
 BEQ H447B ;yes, print a lot o them
 JSR H44CD
H4461 JSR H44A0 ;increment the return pointer
 JMP H4450 ;go get the same char, print it

H4467 JSR H44A0 ;increment the return pointer
 LDA (IOB),Y ;next char is vert cursor pos
 STA CV
 JSR H44A0 ;increment the return pointer
 LDA (IOB),Y ;next char is htab
 STA CH
 JSR VTAB ;go set the vtab
 JMP H4461 ;check the next sequence of chars

H447B JSR H44A0 ;inc pointer to next character
 LDA (IOB),Y ;grab next char-save it on stack
 PHA
 JSR H44A0 ;increment the pointer
 LDA (IOB),Y ;get the next char
 TAY  ;# of these chars to print
 PLA  ;get the char to print
H4488 JSR H44CD ;mask it, then print it
 DEY  ;clear from right to abs left
 BNE H4488 ;are we done? no, do another...
 JSR H44A0 ;increment the pointer again
 JMP H444E ;reset the y-reg, keep moving...

H4494 JSR H44A0 ;set it to go past the zero...
 PLA  ;get the y-reg off the stack
 TAY
 LDA IOB+1 ;get high byte of where we must
 PHA  ;return to, push it
 LDA IOB ;get lo byte of return address,
 PHA  ;push it (becomes return address)
 RTS  ;go to the address we just pushed
   ;in this case, address after the
   ;00 end-of-message marker

H44A0 INC IOB ;increment the next character
 BNE H44A6 ;pointer so we get the right
 INC IOB+1 ;chars and return properly to
H44A6 RTS  ;right after the hex 00.

H44A7 LDY #0
H44A9 LDA (IOB),Y ;get another character to print
 BEQ H44B3 ;have we reached the $00 yet?
   ;if so, print it...
 JSR H44CD ;mask it, then print it
 INY  ;get next character to print
 BNE H44A9 ;go print it
H44B3 RTS  ;leave

H44B4 ASL
 TAY
 LDA H32D1,Y
 STA IOB
 LDA H32D1+1,Y
 STA IOB+1
 LDY #0
H44C2 LDA (IOB),Y
 BEQ H44CC
 JSR H44CD
 INY
 BNE H44C2
H44CC RTS

H44CD CMP #$E0 ;is it already capital?
 BLT H44D4 ;yes, go print it
 AND H391B ;no, hopefully make it caps...
H44D4 JMP COUT ;gp print it!

H44D7 JSR H44F8 ;wait for a key press...
 BCC H44D7 ;nope, none pressed...
 RTS  ;yes! wow!

H44DD TYA
 PHA
 LDY CH
 LDA (BAS),Y
 PHA
 AND #$3F
 STA (BAS),Y
 JSR H44D7
 STA H44F7
 PLA
 STA (BAS),Y
 PLA
 TAY
 LDA H44F7
 RTS

H44F7 BRK

H44F8 LDA KEY ;was a key pressed?
 BMI H4511 ;yes! bly me!
 INC H4516 ;no...
 BNE H450F
 INC H4517 ;every ($FF-$F8)*256 checks,
 BNE H450F ;flash them symbols...
 JSR H4564 ;keep flashing those symbols...
 LDA #$F8 ;reset the counter
 STA H4517
H450F CLC
 RTS

H4511 STA STROBE
 SEC
 RTS

H4516 BRK

H4517 SED
H4518 LDX #0
H451A JSR H44DD
 JSR H3CC1
 CMP #CR
 BEQ H4549
 CMP #BS
 BEQ H454F
 CPX #$19
 BGE H451A
 CMP #CTRLJ
 BNE H4534
 LDA #$DB
 BNE H4540
H4534 CMP #$8C
 BNE H453C
 LDA #$DC
 BNE H4540
H453C CMP #SPC
 BLT H451A
H4540 STA H4710,X
 JSR H44CD
 INX
 BNE H451A
H4549 LDA #0
 STA H4710,X
 RTS

H454F CPX #0
 BEQ H451A
 JSR H44CD
 LDA #SPC
 JSR H44CD
 LDA #BS
 JSR H44CD
 DEX
 JMP H451A

H4564 PHA  ;here begins the routine central
 TXA  ;to the moving of characters
 PHA  ;across the screen...
 LDX #$10
H4569 LDA $0401,X
 STA $0402,X
 LDA $0601,X
 STA $0602,X
 DEX
 CPX #1
 BNE H4569
 LDA #":" ;left scrolling character
 LDX H45BD
 CPX #3
 BLT H4585
 LDA #SPC
H4585 STA $0403
 STA $0603
 LDX #$16
H458D LDA $0400,X
 STA $03FF,X
 LDA $0600,X
 STA $05FF,X
 INX
 CPX #$26
 BNE H458D
 LDA #":" ;right side scrolling character
 LDX H45BD
 CPX #3
 BCC H45A9
 LDA #SPC
H45A9 STA $0424
 STA $0624
 DEC H45BD
 BPL H45B9
 LDA #3
 STA H45BD
H45B9 PLA
 TAX
 PLA
 RTS

H45BD HEX 03

H45BE JSR DISPLAY ;put this on screen
 ASC "       <press a key>"
 BRK
 JSR H44D7 ;wait for a keypress,then return
 RTS

H45DA LDA #0
 LDX #4
H45DE STA $6F,X
 DEX
 BNE H45DE
 LDX #4
 BNE H45E9
H45E7 INC $6F,X
H45E9 LDA H461F ;get lo byte
 STA H461D
 LDA H4620 ;get hi byte
 STA H461E
H45F5 SEC  ;what this routine does is this:
 LDA H461D ;takes a 2 byte hex # contained
 SBC H4613,X ;in $461F and $4620 and converts
 STA H461F ;it to a 5 digit decimal #
 LDA H461E ;contained in $6F to $73
 SBC H4618,X ;each hex digit in these memory
 STA H4620 ;addresses represents a decimal
 BCS H45E7 ;number, though...
 DEX
 BNE H45F5
 LDA H461D
 STA $6F
 RTS

H4613 HEX 01 ;table for hex to dec conversion
 HEX 0A ;10
 HEX 64 ;100
 HEX E8 ;1000
 HEX 10

H4618 BRK
 BRK
 BRK
 HEX 03
 HEX 27
H461D BRK
H461E BRK

H461F BRK ;lo byte of file length
H4620 BRK  ;hi byt of file length

H4621 LDX #2
 BNE H4627
H4625 LDX #3
H4627 LDA $6F,X
 JSR PRHEX
 DEX
 BPL H4627
 RTS

H4630 TAX  ;put device (0 or 1) in A
 LDA H4684,X ;get the required slot
 ASL  ;now, multiply our choice by 16
 ASL
 ASL
 ASL
 STA H37FA ;store in RWTS table for slot
 LDA H4687,X ;get drive
 STA H37FB ;store in RWTS table for drive
 LDA H468A,X ;get volume
 STA H37FC ;store in RWTS table for volume
 JSR H466D ;display source over target
 TXA  ;is it $0 (source) we want?
 BNE H465B ;no! (rats) go see if it's for
 JSR DISPLAY ;the target, else display source
 HEX 811102 ;inverted
 INV 'SOURCE'
 BRK
 RTS

H465B CPX #1 ;is it for the target drive?
 BNE H466C ;nope, just return
 JSR DISPLAY ;yes, invert it.
 HEX 811202
 INV 'TARGET'
 BRK
H466C RTS

H466D JSR DISPLAY ;display "SOURCE:" over "TARGET"
 HEX 811102
 ASC "SOURCE"
 HEX 811202
 ASC "TARGET"
 BRK
 RTS

H4684 HEX 06 ;source slot
H4685 HEX 06 ;target slot
 HEX 00
H4687 HEX 01 ;source drive
H4688 HEX 02 ;target drive
 BRK

H468A HEX 00 ;source volume
H468B HEX 00 ;target volume
 BRK

H468D BRK  ;1=one drive - 0=more than one
H468E BRK
H468F BRK

H4690 LDA H468D ;do we have more than 1 drive?
 BEQ H46B1 ;yes, return
 JSR DISPLAY ;no, display this...
 HEX 810C0A ;htab 12, vtab 10
 ASC "Insert "
 INV 'SOURCE'
 ASC " disk"
 BRK
 JMP H46D0 ;go get a keypress, then return

H46B1 RTS

H46B2 LDA H468D ;do we have more than 1 drive?
 BEQ H46B1 ;yes, just return
 JSR DISPLAY ;nope, display this on screen
 HEX 810C0A
 ASC "Insert "
 INV 'TARGET' ;next, get a keypress,
 ASC " disk"00 ;continue on, then return

H46D0 JSR H3CF2 ;go turn off the drive
 JSR H44D7 ;check for keypress, move stuff
 JSR H3CC1 ;check for escape, if so, menu
 JSR DISPLAY
 HEX 810C05 ;vtab 12, htab 5, print
 HEX 82 ;39 spaces to wipe out the line
 DCI " '"
 BRK
 RTS

H46E4 LDA H468D
 BNE H4690
 JSR DISPLAY ;stick this on the screen
 HEX 810C05
 ASC "Insert "
 INV 'SOURCE'
 ASC " and "
 INV 'TARGET'
 ASC " disk"
 BRK
H470D JMP H46D0

H4710 HEX 0000000000000000
 HEX 0000000000000000
 HEX 000000000000000000

 LST OFF