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LETTS1

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 » Personal collection » Acorn ADFS disks » Electron_User_Group » EUG_12.ADF
Filename: LETTS1
Read OK:
File size: 0E5F bytes
Load address: FFFF1D00
Exec address: FFFF8023
File contents
   10MODE3:VDU23,1,0;0;0;0;:VDU14:PRINT''"PRESS <SHIFT> TO SCROLL"'':PROCtext
   20REPEAT:PRINT''"PLEASE PRESS <P> TO PRINT TEXT, <F> FOR NEXT FILE, <M> FOR MAIN MENU"
   30REPEAT:A%=INSTR("FMP",GET$):UNTILA%
   40IFA%=1 THENCHAIN"$.LETTS2"
   50IFA%=2 THENCHAIN"$.MENU"
   60IFA%=3 THENVDU15:VDU2:PROCtext:VDU3
   70UNTIL FALSE
   80END
   90DEF PROCtext
  100PRINT"                                L E T T E R S"
  110PRINT"                                ~~~~~~~~~~~~~"
  120PRINT
  130PRINT"D.I.Y. HARDWARE & VIEWSTORE KEYS"
  140PRINT"********************************"
  150PRINT"Before I became engrossed in the Electron I used to take a few electronics"
  160PRINT"magazines every month and I subsequently kept my eye open for Computer"
  170PRINT"related projects.   There were rarely any published for the Electron, but"
  180PRINT"plenty for the SPECCY & C64 of the (Give your mother-in-law a belt when"
  190PRINT"she switches on the microwave) type.   However, two that did cross my path"
  200PRINT"and could be of interest to your members were as follows:-"
  210PRINT
  220PRINT"(1)  From ELEKTOR ELECTRONICS February, 1987. ROM/RAM cartridge for the"
  230PRINT"Plus 1 Slots, which turned out to be quite a versatile and useful"
  240PRINT"addition.  It could be used as a 4 x 8K 6264 RAM module giving two banks"
  250PRINT"of 16K or as a double 27128 EPROM carrier, or as a combination of RAM and"
  260PRINT"ROM."
  270PRINT
  280PRINT"(2)  From EVERYDAY ELECTRONICS April, 1989. An Electron User Port project"
  290PRINT"which makes use of the expansion socket on the back of the ELK.  Plus 1"
  300PRINT"users could easily adapt this to plug into a slot."
  310PRINT
  320PRINT"I built two of the RAM/ROM modules and slightly adapted them to give write"
  330PRINT"protect switches and used them extensively with ROMs and ROM images." 
  340PRINT"Sloggers Plus 1 operating chip was a boom with its *RLOAD and *RSAVE"
  350PRINT"commands and I kept one cartridge permanently in the front slot of the"
  360PRINT"Plus 1. Having a commercial User Port that plugged into the Plus 1 meant"
  370PRINT"that I never got around to building the one from the Mag, but it apprears"
  380PRINT"to do its job and would be ideal for all those running their train layouts"
  390PRINT"from their ELK etc.etc."
  400PRINT
  410PRINT"As both the Mags are a bit dated and Everyday Electronics is no longer"
  420PRINT"published it might be a bit of a struggle to get hold of back issues." 
  430PRINT"ELEKTOR may still be contacted at:-"
  440PRINT
  450PRINT"ELEKTOR ELECTRONICS (Publishing) P.O. BOX 1414 DORCHESTER. DT2 8YH"
  460PRINT
  470PRINT"E.E. back issues may be obtained from Wimborne Publishing, 6, Church St.,"
  480PRINT"Wimborne, Dorset, BH21 1JH."
  490PRINT
  500PRINT"If any interested parties require further details I may be contacted at"
  510PRINT"the above address, or on 0222 566413."
  520PRINT
  530PRINT"On to a new topic - I've seen some correspondence in recent issues about"
  540PRINT"VIEWSTORE on the ELK.  I used it a great deal when I had the ELK and"
  550PRINT"experienced no difficulties, apart from running out of memory with large"
  560PRINT"databases.  Below are the ELK equivalent keys which allows pretty much"
  570PRINT"100% compatibility:-"
  580PRINT
  590PRINT"f1 = RECORD FORMAT    f2 = CHANGE DISPLAY    f3 = DEL END OF LINE"
  600PRINT"f4 = BEGIN of FIELD   f5 = END of FIELD      f6 = INDEX FIELD    "
  610PRINT"f7 = LOCATE           f8 = INSERT CHAR       f9 = DEL CHAR       "
  620PRINT"f0 = DATA"
  630PRINT"fa = CARD LAYOUT      fb = D'BASE HEADER     fc = CURSOR LOCK"
  640PRINT"fj = DEL RECORD       fm = BEGIN of RECORD   fn = END of RECORD"
  650PRINT"fo = DOWN 1 SCREEN    fp = UP 1 SCREEN       f"" = END of FILE   "
  660PRINT"f/ = BEGIN of FILE    f- = FWD 1 CHAR        f, = BACK 1 CHAR  "
  670PRINT"f= CAPS LK/FUNC key "
  680PRINT
  690PRINT"I believe these were listed way back in one of the EU issues, or MICRO"
  700PRINT"USER/ACORN USER."
  710PRINT
  720PRINT"D. E. Williams, Cardiff S.Glam."
  730PRINT"**************************************************************************"
  740ENDPROC

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O�:�''"PLEASE PRESS <P> TO PRINT TEXT, <F> FOR NEXT FILE, <M> FOR MAIN MENU"
�:A%=�"FMP",�):�A%
(�A%=1 ��"$.LETTS2"
2�A%=2 ��"$.MENU"
<�A%=3 ��15:�2:�text:�3
F� �
P�
Z� �text
d4�"                                L E T T E R S"
n4�"                                ~~~~~~~~~~~~~"
x�
�'�"D.I.Y. HARDWARE & VIEWSTORE KEYS"
�'�"********************************"
�Q�"Before I became engrossed in the Electron I used to take a few electronics"
�M�"magazines every month and I subsequently kept my eye open for Computer"
�P�"related projects.   There were rarely any published for the Electron, but"
�N�"plenty for the SPECCY & C64 of the (Give your mother-in-law a belt when"
�Q�"she switches on the microwave) type.   However, two that did cross my path"
�A�"and could be of interest to your members were as follows:-"
��
�N�"(1)  From ELEKTOR ELECTRONICS February, 1987. ROM/RAM cartridge for the"
�H�"Plus 1 Slots, which turned out to be quite a versatile and useful"
�O�"addition.  It could be used as a 4 x 8K 6264 RAM module giving two banks"
�P�"of 16K or as a double 27128 EPROM carrier, or as a combination of RAM and"
�"ROM."
�
P�"(2)  From EVERYDAY ELECTRONICS April, 1989. An Electron User Port project"
"N�"which makes use of the expansion socket on the back of the ELK.  Plus 1"
,9�"users could easily adapt this to plug into a slot."
6�
@Q�"I built two of the RAM/ROM modules and slightly adapted them to give write"
JL�"protect switches and used them extensively with ROMs and ROM images." 
TK�"Sloggers Plus 1 operating chip was a boom with its *RLOAD and *RSAVE"
^M�"commands and I kept one cartridge permanently in the front slot of the"
hO�"Plus 1. Having a commercial User Port that plugged into the Plus 1 meant"
rP�"that I never got around to building the one from the Mag, but it apprears"
|Q�"to do its job and would be ideal for all those running their train layouts"
��"from their ELK etc.etc."
��
�M�"As both the Mags are a bit dated and Everyday Electronics is no longer"
�M�"published it might be a bit of a struggle to get hold of back issues." 
�*�"ELEKTOR may still be contacted at:-"
��
�I�"ELEKTOR ELECTRONICS (Publishing) P.O. BOX 1414 DORCHESTER. DT2 8YH"
��
�P�"E.E. back issues may be obtained from Wimborne Publishing, 6, Church St.,"
�"�"Wimborne, Dorset, BH21 1JH."
��
�N�"If any interested parties require further details I may be contacted at"
�,�"the above address, or on 0222 566413."
�
O�"On to a new topic - I've seen some correspondence in recent issues about"
K�"VIEWSTORE on the ELK.  I used it a great deal when I had the ELK and"
&O�"experienced no difficulties, apart from running out of memory with large"
0M�"databases.  Below are the ELK equivalent keys which allows pretty much"
:�"100% compatibility:-"
D�
NH�"f1 = RECORD FORMAT    f2 = CHANGE DISPLAY    f3 = DEL END OF LINE"
XH�"f4 = BEGIN of FIELD   f5 = END of FIELD      f6 = INDEX FIELD    "
bH�"f7 = LOCATE           f8 = INSERT CHAR       f9 = DEL CHAR       "
l�"f0 = DATA"
vD�"fa = CARD LAYOUT      fb = D'BASE HEADER     fc = CURSOR LOCK"
�F�"fj = DEL RECORD       fm = BEGIN of RECORD   fn = END of RECORD"
�H�"fo = DOWN 1 SCREEN    fp = UP 1 SCREEN       f"" = END of FILE   "
�F�"f/ = BEGIN of FILE    f- = FWD 1 CHAR        f, = BACK 1 CHAR  "
��"f= CAPS LK/FUNC key "
��
�M�"I believe these were listed way back in one of the EU issues, or MICRO"
��"USER/ACORN USER."
��
�&�"D. E. Williams, Cardiff S.Glam."
�Q�"**************************************************************************"
��
�
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00000120  20 20 20 20 4c 20 45 20  54 20 54 20 45 20 52 20  |    L E T T E R |
00000130  53 22 0d 00 6e 34 f1 22  20 20 20 20 20 20 20 20  |S"..n4."        |
00000140  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000150  20 20 20 20 20 20 20 20  7e 7e 7e 7e 7e 7e 7e 7e  |        ~~~~~~~~|
00000160  7e 7e 7e 7e 7e 22 0d 00  78 05 f1 0d 00 82 27 f1  |~~~~~"..x.....'.|
00000170  22 44 2e 49 2e 59 2e 20  48 41 52 44 57 41 52 45  |"D.I.Y. HARDWARE|
00000180  20 26 20 56 49 45 57 53  54 4f 52 45 20 4b 45 59  | & VIEWSTORE KEY|
00000190  53 22 0d 00 8c 27 f1 22  2a 2a 2a 2a 2a 2a 2a 2a  |S"...'."********|
000001a0  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
000001b0  2a 2a 2a 2a 2a 2a 2a 2a  22 0d 00 96 51 f1 22 42  |********"...Q."B|
000001c0  65 66 6f 72 65 20 49 20  62 65 63 61 6d 65 20 65  |efore I became e|
000001d0  6e 67 72 6f 73 73 65 64  20 69 6e 20 74 68 65 20  |ngrossed in the |
000001e0  45 6c 65 63 74 72 6f 6e  20 49 20 75 73 65 64 20  |Electron I used |
000001f0  74 6f 20 74 61 6b 65 20  61 20 66 65 77 20 65 6c  |to take a few el|
00000200  65 63 74 72 6f 6e 69 63  73 22 0d 00 a0 4d f1 22  |ectronics"...M."|
00000210  6d 61 67 61 7a 69 6e 65  73 20 65 76 65 72 79 20  |magazines every |
00000220  6d 6f 6e 74 68 20 61 6e  64 20 49 20 73 75 62 73  |month and I subs|
00000230  65 71 75 65 6e 74 6c 79  20 6b 65 70 74 20 6d 79  |equently kept my|
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00000260  61 74 65 64 20 70 72 6f  6a 65 63 74 73 2e 20 20  |ated projects.  |
00000270  20 54 68 65 72 65 20 77  65 72 65 20 72 61 72 65  | There were rare|
00000280  6c 79 20 61 6e 79 20 70  75 62 6c 69 73 68 65 64  |ly any published|
00000290  20 66 6f 72 20 74 68 65  20 45 6c 65 63 74 72 6f  | for the Electro|
000002a0  6e 2c 20 62 75 74 22 0d  00 b4 4e f1 22 70 6c 65  |n, but"...N."ple|
000002b0  6e 74 79 20 66 6f 72 20  74 68 65 20 53 50 45 43  |nty for the SPEC|
000002c0  43 59 20 26 20 43 36 34  20 6f 66 20 74 68 65 20  |CY & C64 of the |
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000003a0  54 4f 52 20 45 4c 45 43  54 52 4f 4e 49 43 53 20  |TOR ELECTRONICS |
000003b0  46 65 62 72 75 61 72 79  2c 20 31 39 38 37 2e 20  |February, 1987. |
000003c0  52 4f 4d 2f 52 41 4d 20  63 61 72 74 72 69 64 67  |ROM/RAM cartridg|
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000003e0  50 6c 75 73 20 31 20 53  6c 6f 74 73 2c 20 77 68  |Plus 1 Slots, wh|
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00000420  6c 22 0d 00 f0 4f f1 22  61 64 64 69 74 69 6f 6e  |l"...O."addition|
00000430  2e 20 20 49 74 20 63 6f  75 6c 64 20 62 65 20 75  |.  It could be u|
00000440  73 65 64 20 61 73 20 61  20 34 20 78 20 38 4b 20  |sed as a 4 x 8K |
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00000460  67 69 76 69 6e 67 20 74  77 6f 20 62 61 6e 6b 73  |giving two banks|
00000470  22 0d 00 fa 50 f1 22 6f  66 20 31 36 4b 20 6f 72  |"...P."of 16K or|
00000480  20 61 73 20 61 20 64 6f  75 62 6c 65 20 32 37 31  | as a double 271|
00000490  32 38 20 45 50 52 4f 4d  20 63 61 72 72 69 65 72  |28 EPROM carrier|
000004a0  2c 20 6f 72 20 61 73 20  61 20 63 6f 6d 62 69 6e  |, or as a combin|
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000004c0  22 0d 01 04 0b f1 22 52  4f 4d 2e 22 0d 01 0e 05  |"....."ROM."....|
000004d0  f1 0d 01 18 50 f1 22 28  32 29 20 20 46 72 6f 6d  |....P."(2)  From|
000004e0  20 45 56 45 52 59 44 41  59 20 45 4c 45 43 54 52  | EVERYDAY ELECTR|
000004f0  4f 4e 49 43 53 20 41 70  72 69 6c 2c 20 31 39 38  |ONICS April, 198|
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00000570  01 2c 39 f1 22 75 73 65  72 73 20 63 6f 75 6c 64  |.,9."users could|
00000580  20 65 61 73 69 6c 79 20  61 64 61 70 74 20 74 68  | easily adapt th|
00000590  69 73 20 74 6f 20 70 6c  75 67 20 69 6e 74 6f 20  |is to plug into |
000005a0  61 20 73 6c 6f 74 2e 22  0d 01 36 05 f1 0d 01 40  |a slot."..6....@|
000005b0  51 f1 22 49 20 62 75 69  6c 74 20 74 77 6f 20 6f  |Q."I built two o|
000005c0  66 20 74 68 65 20 52 41  4d 2f 52 4f 4d 20 6d 6f  |f the RAM/ROM mo|
000005d0  64 75 6c 65 73 20 61 6e  64 20 73 6c 69 67 68 74  |dules and slight|
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000005f0  74 6f 20 67 69 76 65 20  77 72 69 74 65 22 0d 01  |to give write"..|
00000600  4a 4c f1 22 70 72 6f 74  65 63 74 20 73 77 69 74  |JL."protect swit|
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000007a0  65 20 69 64 65 61 6c 20  66 6f 72 20 61 6c 6c 20  |e ideal for all |
000007b0  74 68 6f 73 65 20 72 75  6e 6e 69 6e 67 20 74 68  |those running th|
000007c0  65 69 72 20 74 72 61 69  6e 20 6c 61 79 6f 75 74  |eir train layout|
000007d0  73 22 0d 01 86 1e f1 22  66 72 6f 6d 20 74 68 65  |s"....."from the|
000007e0  69 72 20 45 4c 4b 20 65  74 63 2e 65 74 63 2e 22  |ir ELK etc.etc."|
000007f0  0d 01 90 05 f1 0d 01 9a  4d f1 22 41 73 20 62 6f  |........M."As bo|
00000800  74 68 20 74 68 65 20 4d  61 67 73 20 61 72 65 20  |th the Mags are |
00000810  61 20 62 69 74 20 64 61  74 65 64 20 61 6e 64 20  |a bit dated and |
00000820  45 76 65 72 79 64 61 79  20 45 6c 65 63 74 72 6f  |Everyday Electro|
00000830  6e 69 63 73 20 69 73 20  6e 6f 20 6c 6f 6e 67 65  |nics is no longe|
00000840  72 22 0d 01 a4 4d f1 22  70 75 62 6c 69 73 68 65  |r"...M."publishe|
00000850  64 20 69 74 20 6d 69 67  68 74 20 62 65 20 61 20  |d it might be a |
00000860  62 69 74 20 6f 66 20 61  20 73 74 72 75 67 67 6c  |bit of a struggl|
00000870  65 20 74 6f 20 67 65 74  20 68 6f 6c 64 20 6f 66  |e to get hold of|
00000880  20 62 61 63 6b 20 69 73  73 75 65 73 2e 22 20 0d  | back issues." .|
00000890  01 ae 2a f1 22 45 4c 45  4b 54 4f 52 20 6d 61 79  |..*."ELEKTOR may|
000008a0  20 73 74 69 6c 6c 20 62  65 20 63 6f 6e 74 61 63  | still be contac|
000008b0  74 65 64 20 61 74 3a 2d  22 0d 01 b8 05 f1 0d 01  |ted at:-".......|
000008c0  c2 49 f1 22 45 4c 45 4b  54 4f 52 20 45 4c 45 43  |.I."ELEKTOR ELEC|
000008d0  54 52 4f 4e 49 43 53 20  28 50 75 62 6c 69 73 68  |TRONICS (Publish|
000008e0  69 6e 67 29 20 50 2e 4f  2e 20 42 4f 58 20 31 34  |ing) P.O. BOX 14|
000008f0  31 34 20 44 4f 52 43 48  45 53 54 45 52 2e 20 44  |14 DORCHESTER. D|
00000900  54 32 20 38 59 48 22 0d  01 cc 05 f1 0d 01 d6 50  |T2 8YH"........P|
00000910  f1 22 45 2e 45 2e 20 62  61 63 6b 20 69 73 73 75  |."E.E. back issu|
00000920  65 73 20 6d 61 79 20 62  65 20 6f 62 74 61 69 6e  |es may be obtain|
00000930  65 64 20 66 72 6f 6d 20  57 69 6d 62 6f 72 6e 65  |ed from Wimborne|
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