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StarInfo/Marriott/!Bdrops/Register

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk: Home » Recent acquisitions » Acorn ADFS disks » adfs_AcornUser_199607.adf » Regulars
Filename: StarInfo/Marriott/!Bdrops/Register
Read OK:
File size: 0895 bytes
Load address: 0000
Exec address: 0000
File contents
   10REM >Register
   20REM by Dave Lawrence
   30REM for 32-bit machines
   40REM (c) BAU November 1992
   50:
   51title$="Backdrops"
   60DIM block 64
   70PROCcode
   80REPEAT
   90 INPUT "Register :"path$
  100 IF path$<>"" THEN
  110  file$=""
  120  i=LENpath$
  130  REPEAT
  140   file$=RIGHT$(path$,1)+file$
  150   path$=LEFT$(path$)
  160  UNTIL RIGHT$(path$,1)="." OR path$=""
  170  IF path$="" path$="@" ELSE path$=LEFT$(path$)
  180  dest$="Backdrops"
  190  IF dest$="" THEN
  200   dest$="$"
  210  ELSE
  220   dest$="$."+dest$
  230  ENDIF
  240  PROCregister(file$,path$,dest$)
  250 ENDIF
  260UNTIL path$=""
  270SYS "OS_File",10,"BdropsMod",&FFA,,code,O%
  280END
  290:
  300DEF PROCregister(file$,path$,dest$)
  310SYS "OS_File",5,path$+"."+file$ TO type
  320IF type=0 THEN
  330 PRINT"Not found"
  340ELSE
  350 IF type=1 THEN
  360  PROCstore(path$+"."+file$,dest$+"."+file$)
  370 ELSE
  380  PROCdirectory(path$+"."+file$,dest$+"."+file$)
  390 ENDIF
  400ENDIF
  410ENDPROC
  420:
  430DEF PROCdirectory(a$,b$)
  440LOCAL ptr
  450ptr=0
  460REPEAT
  470 SYS "OS_GBPB",9,a$,block,1,ptr,64 TO ,,,read,ptr
  480 IF read=1 THEN
  490  f$=""
  500  i=0
  510  REPEAT
  520   f$+=CHR$(block?i)
  530   i+=1
  540  UNTIL block?i=0
  550  PROCregister(f$,a$,b$)
  560 ENDIF
  570UNTIL ptr=-1
  580ENDPROC
  590:
  600DEF PROCcode
  610space=HIMEM-END-32*1024
  620DIM code space
  630wp=12:sp=13:link=14:pc=15
  640FOR pass=4 TO 6 STEP 2:P%=0:O%=code
  650[OPT pass
  660EQUD    0
  670EQUD    Init_Code
  680EQUD    Final_Code
  690EQUD    0
  700EQUD    Title_String
  710EQUD    Help_String
  720EQUD    0
  730EQUD    0
  740EQUD    0
  750EQUD    0
  760EQUD    0
  770.Title_String
  780EQUS    title$
  790EQUB    0
  800.Help_String
  810EQUS    title$
  820EQUB    9
  830EQUS    "1.00 ("+MID$(TIME$,5,11)+")"
  840EQUB    0
  850ALIGN
  860.Init_Code
  870STMFD   (sp)!,{R0,link}
  880ADR     R0,Files
  890SWI     "XResourceFS_RegisterFiles"
  900LDMFD   (sp)!,{R0,pc}
  910.Final_Code
  920STMFD   (sp)!,{R0,link}
  930ADR     R0,Files
  940SWI     "XResourceFS_DeregisterFiles"
  950LDMFD   (sp)!,{R0,pc}
  960.Files  EQUD    0
  970]NEXT
  980ENDPROC
  990:
 1000DEF PROCstore(source$,as$)
 1010PRINTsource$;" -> ";as$
 1020SYS "OS_File",5,source$ TO ,,load,exec,size,attr
 1030[OPT 4
 1040.offset
 1050EQUD    load
 1060EQUD    exec
 1070EQUD    size
 1080EQUD    attr
 1090EQUS    MID$(as$,3)
 1100EQUB    0
 1110ALIGN
 1120EQUD    size+4
 1130FNload(source$)
 1140ALIGN
 1150.next   EQUD    0
 1160]
 1170!(code+offset-4)=next-offset+4
 1180ENDPROC
 1190:
 1200DEF FNload(f$)
 1210SYS "OS_File",&FF,f$,O% TO ,,,,len
 1220P%+=len:O%+=len
 1230=""

� >Register
� by Dave Lawrence
� for 32-bit machines
(� (c) BAU November 1992
2:
3title$="Backdrops"
<� block 64
F	�code
P�
Z � "Register :"path$
d � path$<>"" �
n  file$=""
x  i=�path$
�  �
�   file$=�path$,1)+file$
�   path$=�path$)
�   � �path$,1)="." � path$=""
�*  � path$="" path$="@" � path$=�path$)
�  dest$="Backdrops"
�  � dest$="" �
�   dest$="$"
�  �
�   dest$="$."+dest$
�  �
�"  �register(file$,path$,dest$)
� �
� path$=""
-ș "OS_File",10,"BdropsMod",&FFA,,code,O%
�
":
,"� �register(file$,path$,dest$)
6)ș "OS_File",5,path$+"."+file$ � type
@� type=0 �
J �"Not found"
T�
^ � type=1 �
h-  �store(path$+"."+file$,dest$+"."+file$)
r �
|1  �directory(path$+"."+file$,dest$+"."+file$)
� �
��
��
�:
�� �directory(a$,b$)
�	� ptr
�	ptr=0
��
�3 ș "OS_GBPB",9,a$,block,1,ptr,64 � ,,,read,ptr
� � read=1 �
�  f$=""
�	  i=0
�  �
   f$+=�(block?i)
   i+=1
  � block?i=0
&  �register(f$,a$,b$)
0 �
:� ptr=-1
D�
N:
X� �code
bspace=�-�-32*1024
l� code space
vwp=12:sp=13:link=14:pc=15
�!� pass=4 � 6 � 2:P%=0:O%=code
�
[OPT pass
�
EQUD    0
�EQUD    Init_Code
�EQUD    Final_Code
�
EQUD    0
�EQUD    Title_String
�EQUD    Help_String
�
EQUD    0
�
EQUD    0
�
EQUD    0
�
EQUD    0
�
EQUD    0
.Title_String
EQUS    title$

EQUB    0
 .Help_String
*EQUS    title$
4
EQUB    9
>"EQUS    "1.00 ("+��$,5,11)+")"
H
EQUB    0
R	ALIGN
\.Init_Code
fSTMFD   (sp)!,{R0,link}
pADR     R0,Files
z'SWI     "XResourceFS_RegisterFiles"
�LDMFD   (sp)!,{R0,pc}
�.Final_Code
�STMFD   (sp)!,{R0,link}
�ADR     R0,Files
�)SWI     "XResourceFS_DeregisterFiles"
�LDMFD   (sp)!,{R0,pc}
�.Files  EQUD    0
�]�
��
�:
�� �store(source$,as$)
��source$;" -> ";as$
�2ș "OS_File",5,source$ � ,,load,exec,size,attr

[OPT 4
.offset
EQUD    load
$EQUD    exec
.EQUD    size
8EQUD    attr
BEQUS    �as$,3)
L
EQUB    0
V	ALIGN
`EQUD    size+4
j�load(source$)
t	ALIGN
~.next   EQUD    0
�]
�"!(code+offset-4)=next-offset+4
��
�:
�� �load(f$)
�$ș "OS_File",&FF,f$,O% � ,,,,len
�P%+=len:O%+=len
�=""
�
00000000  0d 00 0a 0f f4 20 3e 52  65 67 69 73 74 65 72 0d  |..... >Register.|
00000010  00 14 16 f4 20 62 79 20  44 61 76 65 20 4c 61 77  |.... by Dave Law|
00000020  72 65 6e 63 65 0d 00 1e  19 f4 20 66 6f 72 20 33  |rence..... for 3|
00000030  32 2d 62 69 74 20 6d 61  63 68 69 6e 65 73 0d 00  |2-bit machines..|
00000040  28 1b f4 20 28 63 29 20  42 41 55 20 4e 6f 76 65  |(.. (c) BAU Nove|
00000050  6d 62 65 72 20 31 39 39  32 0d 00 32 05 3a 0d 00  |mber 1992..2.:..|
00000060  33 16 74 69 74 6c 65 24  3d 22 42 61 63 6b 64 72  |3.title$="Backdr|
00000070  6f 70 73 22 0d 00 3c 0e  de 20 62 6c 6f 63 6b 20  |ops"..<.. block |
00000080  36 34 0d 00 46 09 f2 63  6f 64 65 0d 00 50 05 f5  |64..F..code..P..|
00000090  0d 00 5a 18 20 e8 20 22  52 65 67 69 73 74 65 72  |..Z. . "Register|
000000a0  20 3a 22 70 61 74 68 24  0d 00 64 12 20 e7 20 70  | :"path$..d. . p|
000000b0  61 74 68 24 3c 3e 22 22  20 8c 0d 00 6e 0e 20 20  |ath$<>"" ...n.  |
000000c0  66 69 6c 65 24 3d 22 22  0d 00 78 0e 20 20 69 3d  |file$=""..x.  i=|
000000d0  a9 70 61 74 68 24 0d 00  82 07 20 20 f5 0d 00 8c  |.path$....  ....|
000000e0  1c 20 20 20 66 69 6c 65  24 3d c2 70 61 74 68 24  |.   file$=.path$|
000000f0  2c 31 29 2b 66 69 6c 65  24 0d 00 96 14 20 20 20  |,1)+file$....   |
00000100  70 61 74 68 24 3d c0 70  61 74 68 24 29 0d 00 a0  |path$=.path$)...|
00000110  20 20 20 fd 20 c2 70 61  74 68 24 2c 31 29 3d 22  |   . .path$,1)="|
00000120  2e 22 20 84 20 70 61 74  68 24 3d 22 22 0d 00 aa  |." . path$=""...|
00000130  2a 20 20 e7 20 70 61 74  68 24 3d 22 22 20 70 61  |*  . path$="" pa|
00000140  74 68 24 3d 22 40 22 20  8b 20 70 61 74 68 24 3d  |th$="@" . path$=|
00000150  c0 70 61 74 68 24 29 0d  00 b4 17 20 20 64 65 73  |.path$)....  des|
00000160  74 24 3d 22 42 61 63 6b  64 72 6f 70 73 22 0d 00  |t$="Backdrops"..|
00000170  be 12 20 20 e7 20 64 65  73 74 24 3d 22 22 20 8c  |..  . dest$="" .|
00000180  0d 00 c8 10 20 20 20 64  65 73 74 24 3d 22 24 22  |....   dest$="$"|
00000190  0d 00 d2 07 20 20 cc 0d  00 dc 17 20 20 20 64 65  |....  .....   de|
000001a0  73 74 24 3d 22 24 2e 22  2b 64 65 73 74 24 0d 00  |st$="$."+dest$..|
000001b0  e6 07 20 20 cd 0d 00 f0  22 20 20 f2 72 65 67 69  |..  ...."  .regi|
000001c0  73 74 65 72 28 66 69 6c  65 24 2c 70 61 74 68 24  |ster(file$,path$|
000001d0  2c 64 65 73 74 24 29 0d  00 fa 06 20 cd 0d 01 04  |,dest$).... ....|
000001e0  0e fd 20 70 61 74 68 24  3d 22 22 0d 01 0e 2d c8  |.. path$=""...-.|
000001f0  99 20 22 4f 53 5f 46 69  6c 65 22 2c 31 30 2c 22  |. "OS_File",10,"|
00000200  42 64 72 6f 70 73 4d 6f  64 22 2c 26 46 46 41 2c  |BdropsMod",&FFA,|
00000210  2c 63 6f 64 65 2c 4f 25  0d 01 18 05 e0 0d 01 22  |,code,O%......."|
00000220  05 3a 0d 01 2c 22 dd 20  f2 72 65 67 69 73 74 65  |.:..,". .registe|
00000230  72 28 66 69 6c 65 24 2c  70 61 74 68 24 2c 64 65  |r(file$,path$,de|
00000240  73 74 24 29 0d 01 36 29  c8 99 20 22 4f 53 5f 46  |st$)..6).. "OS_F|
00000250  69 6c 65 22 2c 35 2c 70  61 74 68 24 2b 22 2e 22  |ile",5,path$+"."|
00000260  2b 66 69 6c 65 24 20 b8  20 74 79 70 65 0d 01 40  |+file$ . type..@|
00000270  0e e7 20 74 79 70 65 3d  30 20 8c 0d 01 4a 11 20  |.. type=0 ...J. |
00000280  f1 22 4e 6f 74 20 66 6f  75 6e 64 22 0d 01 54 05  |."Not found"..T.|
00000290  cc 0d 01 5e 0f 20 e7 20  74 79 70 65 3d 31 20 8c  |...^. . type=1 .|
000002a0  0d 01 68 2d 20 20 f2 73  74 6f 72 65 28 70 61 74  |..h-  .store(pat|
000002b0  68 24 2b 22 2e 22 2b 66  69 6c 65 24 2c 64 65 73  |h$+"."+file$,des|
000002c0  74 24 2b 22 2e 22 2b 66  69 6c 65 24 29 0d 01 72  |t$+"."+file$)..r|
000002d0  06 20 cc 0d 01 7c 31 20  20 f2 64 69 72 65 63 74  |. ...|1  .direct|
000002e0  6f 72 79 28 70 61 74 68  24 2b 22 2e 22 2b 66 69  |ory(path$+"."+fi|
000002f0  6c 65 24 2c 64 65 73 74  24 2b 22 2e 22 2b 66 69  |le$,dest$+"."+fi|
00000300  6c 65 24 29 0d 01 86 06  20 cd 0d 01 90 05 cd 0d  |le$).... .......|
00000310  01 9a 05 e1 0d 01 a4 05  3a 0d 01 ae 17 dd 20 f2  |........:..... .|
00000320  64 69 72 65 63 74 6f 72  79 28 61 24 2c 62 24 29  |directory(a$,b$)|
00000330  0d 01 b8 09 ea 20 70 74  72 0d 01 c2 09 70 74 72  |..... ptr....ptr|
00000340  3d 30 0d 01 cc 05 f5 0d  01 d6 33 20 c8 99 20 22  |=0........3 .. "|
00000350  4f 53 5f 47 42 50 42 22  2c 39 2c 61 24 2c 62 6c  |OS_GBPB",9,a$,bl|
00000360  6f 63 6b 2c 31 2c 70 74  72 2c 36 34 20 b8 20 2c  |ock,1,ptr,64 . ,|
00000370  2c 2c 72 65 61 64 2c 70  74 72 0d 01 e0 0f 20 e7  |,,read,ptr.... .|
00000380  20 72 65 61 64 3d 31 20  8c 0d 01 ea 0b 20 20 66  | read=1 .....  f|
00000390  24 3d 22 22 0d 01 f4 09  20 20 69 3d 30 0d 01 fe  |$=""....  i=0...|
000003a0  07 20 20 f5 0d 02 08 15  20 20 20 66 24 2b 3d bd  |.  .....   f$+=.|
000003b0  28 62 6c 6f 63 6b 3f 69  29 0d 02 12 0b 20 20 20  |(block?i)....   |
000003c0  69 2b 3d 31 0d 02 1c 11  20 20 fd 20 62 6c 6f 63  |i+=1....  . bloc|
000003d0  6b 3f 69 3d 30 0d 02 26  19 20 20 f2 72 65 67 69  |k?i=0..&.  .regi|
000003e0  73 74 65 72 28 66 24 2c  61 24 2c 62 24 29 0d 02  |ster(f$,a$,b$)..|
000003f0  30 06 20 cd 0d 02 3a 0c  fd 20 70 74 72 3d 2d 31  |0. ...:.. ptr=-1|
00000400  0d 02 44 05 e1 0d 02 4e  05 3a 0d 02 58 0b dd 20  |..D....N.:..X.. |
00000410  f2 63 6f 64 65 0d 02 62  15 73 70 61 63 65 3d 93  |.code..b.space=.|
00000420  2d e0 2d 33 32 2a 31 30  32 34 0d 02 6c 10 de 20  |-.-32*1024..l.. |
00000430  63 6f 64 65 20 73 70 61  63 65 0d 02 76 1d 77 70  |code space..v.wp|
00000440  3d 31 32 3a 73 70 3d 31  33 3a 6c 69 6e 6b 3d 31  |=12:sp=13:link=1|
00000450  34 3a 70 63 3d 31 35 0d  02 80 21 e3 20 70 61 73  |4:pc=15...!. pas|
00000460  73 3d 34 20 b8 20 36 20  88 20 32 3a 50 25 3d 30  |s=4 . 6 . 2:P%=0|
00000470  3a 4f 25 3d 63 6f 64 65  0d 02 8a 0d 5b 4f 50 54  |:O%=code....[OPT|
00000480  20 70 61 73 73 0d 02 94  0d 45 51 55 44 20 20 20  | pass....EQUD   |
00000490  20 30 0d 02 9e 15 45 51  55 44 20 20 20 20 49 6e  | 0....EQUD    In|
000004a0  69 74 5f 43 6f 64 65 0d  02 a8 16 45 51 55 44 20  |it_Code....EQUD |
000004b0  20 20 20 46 69 6e 61 6c  5f 43 6f 64 65 0d 02 b2  |   Final_Code...|
000004c0  0d 45 51 55 44 20 20 20  20 30 0d 02 bc 18 45 51  |.EQUD    0....EQ|
000004d0  55 44 20 20 20 20 54 69  74 6c 65 5f 53 74 72 69  |UD    Title_Stri|
000004e0  6e 67 0d 02 c6 17 45 51  55 44 20 20 20 20 48 65  |ng....EQUD    He|
000004f0  6c 70 5f 53 74 72 69 6e  67 0d 02 d0 0d 45 51 55  |lp_String....EQU|
00000500  44 20 20 20 20 30 0d 02  da 0d 45 51 55 44 20 20  |D    0....EQUD  |
00000510  20 20 30 0d 02 e4 0d 45  51 55 44 20 20 20 20 30  |  0....EQUD    0|
00000520  0d 02 ee 0d 45 51 55 44  20 20 20 20 30 0d 02 f8  |....EQUD    0...|
00000530  0d 45 51 55 44 20 20 20  20 30 0d 03 02 11 2e 54  |.EQUD    0.....T|
00000540  69 74 6c 65 5f 53 74 72  69 6e 67 0d 03 0c 12 45  |itle_String....E|
00000550  51 55 53 20 20 20 20 74  69 74 6c 65 24 0d 03 16  |QUS    title$...|
00000560  0d 45 51 55 42 20 20 20  20 30 0d 03 20 10 2e 48  |.EQUB    0.. ..H|
00000570  65 6c 70 5f 53 74 72 69  6e 67 0d 03 2a 12 45 51  |elp_String..*.EQ|
00000580  55 53 20 20 20 20 74 69  74 6c 65 24 0d 03 34 0d  |US    title$..4.|
00000590  45 51 55 42 20 20 20 20  39 0d 03 3e 22 45 51 55  |EQUB    9..>"EQU|
000005a0  53 20 20 20 20 22 31 2e  30 30 20 28 22 2b c1 91  |S    "1.00 ("+..|
000005b0  24 2c 35 2c 31 31 29 2b  22 29 22 0d 03 48 0d 45  |$,5,11)+")"..H.E|
000005c0  51 55 42 20 20 20 20 30  0d 03 52 09 41 4c 49 47  |QUB    0..R.ALIG|
000005d0  4e 0d 03 5c 0e 2e 49 6e  69 74 5f 43 6f 64 65 0d  |N..\..Init_Code.|
000005e0  03 66 1b 53 54 4d 46 44  20 20 20 28 73 70 29 21  |.f.STMFD   (sp)!|
000005f0  2c 7b 52 30 2c 6c 69 6e  6b 7d 0d 03 70 14 41 44  |,{R0,link}..p.AD|
00000600  52 20 20 20 20 20 52 30  2c 46 69 6c 65 73 0d 03  |R     R0,Files..|
00000610  7a 27 53 57 49 20 20 20  20 20 22 58 52 65 73 6f  |z'SWI     "XReso|
00000620  75 72 63 65 46 53 5f 52  65 67 69 73 74 65 72 46  |urceFS_RegisterF|
00000630  69 6c 65 73 22 0d 03 84  19 4c 44 4d 46 44 20 20  |iles"....LDMFD  |
00000640  20 28 73 70 29 21 2c 7b  52 30 2c 70 63 7d 0d 03  | (sp)!,{R0,pc}..|
00000650  8e 0f 2e 46 69 6e 61 6c  5f 43 6f 64 65 0d 03 98  |...Final_Code...|
00000660  1b 53 54 4d 46 44 20 20  20 28 73 70 29 21 2c 7b  |.STMFD   (sp)!,{|
00000670  52 30 2c 6c 69 6e 6b 7d  0d 03 a2 14 41 44 52 20  |R0,link}....ADR |
00000680  20 20 20 20 52 30 2c 46  69 6c 65 73 0d 03 ac 29  |    R0,Files...)|
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000006a0  63 65 46 53 5f 44 65 72  65 67 69 73 74 65 72 46  |ceFS_DeregisterF|
000006b0  69 6c 65 73 22 0d 03 b6  19 4c 44 4d 46 44 20 20  |iles"....LDMFD  |
000006c0  20 28 73 70 29 21 2c 7b  52 30 2c 70 63 7d 0d 03  | (sp)!,{R0,pc}..|
000006d0  c0 15 2e 46 69 6c 65 73  20 20 45 51 55 44 20 20  |...Files  EQUD  |
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000006f0  de 05 3a 0d 03 e8 19 dd  20 f2 73 74 6f 72 65 28  |..:..... .store(|
00000700  73 6f 75 72 63 65 24 2c  61 73 24 29 0d 03 f2 17  |source$,as$)....|
00000710  f1 73 6f 75 72 63 65 24  3b 22 20 2d 3e 20 22 3b  |.source$;" -> ";|
00000720  61 73 24 0d 03 fc 32 c8  99 20 22 4f 53 5f 46 69  |as$...2.. "OS_Fi|
00000730  6c 65 22 2c 35 2c 73 6f  75 72 63 65 24 20 b8 20  |le",5,source$ . |
00000740  2c 2c 6c 6f 61 64 2c 65  78 65 63 2c 73 69 7a 65  |,,load,exec,size|
00000750  2c 61 74 74 72 0d 04 06  0a 5b 4f 50 54 20 34 0d  |,attr....[OPT 4.|
00000760  04 10 0b 2e 6f 66 66 73  65 74 0d 04 1a 10 45 51  |....offset....EQ|
00000770  55 44 20 20 20 20 6c 6f  61 64 0d 04 24 10 45 51  |UD    load..$.EQ|
00000780  55 44 20 20 20 20 65 78  65 63 0d 04 2e 10 45 51  |UD    exec....EQ|
00000790  55 44 20 20 20 20 73 69  7a 65 0d 04 38 10 45 51  |UD    size..8.EQ|
000007a0  55 44 20 20 20 20 61 74  74 72 0d 04 42 13 45 51  |UD    attr..B.EQ|
000007b0  55 53 20 20 20 20 c1 61  73 24 2c 33 29 0d 04 4c  |US    .as$,3)..L|
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000007e0  69 7a 65 2b 34 0d 04 6a  12 a4 6c 6f 61 64 28 73  |ize+4..j..load(s|
000007f0  6f 75 72 63 65 24 29 0d  04 74 09 41 4c 49 47 4e  |ource$)..t.ALIGN|
00000800  0d 04 7e 15 2e 6e 65 78  74 20 20 20 45 51 55 44  |..~..next   EQUD|
00000810  20 20 20 20 30 0d 04 88  05 5d 0d 04 92 22 21 28  |    0....]..."!(|
00000820  63 6f 64 65 2b 6f 66 66  73 65 74 2d 34 29 3d 6e  |code+offset-4)=n|
00000830  65 78 74 2d 6f 66 66 73  65 74 2b 34 0d 04 9c 05  |ext-offset+4....|
00000840  e1 0d 04 a6 05 3a 0d 04  b0 0f dd 20 a4 6c 6f 61  |.....:..... .loa|
00000850  64 28 66 24 29 0d 04 ba  24 c8 99 20 22 4f 53 5f  |d(f$)...$.. "OS_|
00000860  46 69 6c 65 22 2c 26 46  46 2c 66 24 2c 4f 25 20  |File",&FF,f$,O% |
00000870  b8 20 2c 2c 2c 2c 6c 65  6e 0d 04 c4 13 50 25 2b  |. ,,,,len....P%+|
00000880  3d 6c 65 6e 3a 4f 25 2b  3d 6c 65 6e 0d 04 ce 07  |=len:O%+=len....|
00000890  3d 22 22 0d ff                                    |=""..|
00000895