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!6502Em/Docs/Keys

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 » Archimedes archive » Zipped Apps » 6502em
Filename: !6502Em/Docs/Keys
Read OK:
File size: 02E4 bytes
Load address: 0000
Exec address: 0000
File contents
6502Em: Keys
============

Select on the icon bar to enter emulator
Adjust to open Configure window
f12 Return to desktop
f11 Decrease Volume
shift-f11 Increase Volume
ctrl-F11 Rewind tape one block
f10 Refresh screen and palette

The Electron keys are handled separately and are defined in
!6502Em.Resources.ElkKeys

All other keys can be redefined by adding a new keymap to
!6502Em.Keymaps

The Default keymap will make keys behave exactly as they
would on a real BBC irrespective of what is written on
them on your keyboard

The Natural keymap will attempt to make the keys generate the
symbol that is printed on the key, but will not work for symbols
that need shift on the BBC but not under RISC OS or vice-versa
for instance ^ : ' = _
00000000  36 35 30 32 45 6d 3a 20  4b 65 79 73 0a 3d 3d 3d  |6502Em: Keys.===|
00000010  3d 3d 3d 3d 3d 3d 3d 3d  3d 0a 0a 53 65 6c 65 63  |=========..Selec|
00000020  74 20 6f 6e 20 74 68 65  20 69 63 6f 6e 20 62 61  |t on the icon ba|
00000030  72 20 74 6f 20 65 6e 74  65 72 20 65 6d 75 6c 61  |r to enter emula|
00000040  74 6f 72 0a 41 64 6a 75  73 74 20 74 6f 20 6f 70  |tor.Adjust to op|
00000050  65 6e 20 43 6f 6e 66 69  67 75 72 65 20 77 69 6e  |en Configure win|
00000060  64 6f 77 0a 66 31 32 20  52 65 74 75 72 6e 20 74  |dow.f12 Return t|
00000070  6f 20 64 65 73 6b 74 6f  70 0a 66 31 31 20 44 65  |o desktop.f11 De|
00000080  63 72 65 61 73 65 20 56  6f 6c 75 6d 65 0a 73 68  |crease Volume.sh|
00000090  69 66 74 2d 66 31 31 20  49 6e 63 72 65 61 73 65  |ift-f11 Increase|
000000a0  20 56 6f 6c 75 6d 65 0a  63 74 72 6c 2d 46 31 31  | Volume.ctrl-F11|
000000b0  20 52 65 77 69 6e 64 20  74 61 70 65 20 6f 6e 65  | Rewind tape one|
000000c0  20 62 6c 6f 63 6b 0a 66  31 30 20 52 65 66 72 65  | block.f10 Refre|
000000d0  73 68 20 73 63 72 65 65  6e 20 61 6e 64 20 70 61  |sh screen and pa|
000000e0  6c 65 74 74 65 0a 0a 54  68 65 20 45 6c 65 63 74  |lette..The Elect|
000000f0  72 6f 6e 20 6b 65 79 73  20 61 72 65 20 68 61 6e  |ron keys are han|
00000100  64 6c 65 64 20 73 65 70  61 72 61 74 65 6c 79 20  |dled separately |
00000110  61 6e 64 20 61 72 65 20  64 65 66 69 6e 65 64 20  |and are defined |
00000120  69 6e 0a 21 36 35 30 32  45 6d 2e 52 65 73 6f 75  |in.!6502Em.Resou|
00000130  72 63 65 73 2e 45 6c 6b  4b 65 79 73 0a 0a 41 6c  |rces.ElkKeys..Al|
00000140  6c 20 6f 74 68 65 72 20  6b 65 79 73 20 63 61 6e  |l other keys can|
00000150  20 62 65 20 72 65 64 65  66 69 6e 65 64 20 62 79  | be redefined by|
00000160  20 61 64 64 69 6e 67 20  61 20 6e 65 77 20 6b 65  | adding a new ke|
00000170  79 6d 61 70 20 74 6f 0a  21 36 35 30 32 45 6d 2e  |ymap to.!6502Em.|
00000180  4b 65 79 6d 61 70 73 0a  0a 54 68 65 20 44 65 66  |Keymaps..The Def|
00000190  61 75 6c 74 20 6b 65 79  6d 61 70 20 77 69 6c 6c  |ault keymap will|
000001a0  20 6d 61 6b 65 20 6b 65  79 73 20 62 65 68 61 76  | make keys behav|
000001b0  65 20 65 78 61 63 74 6c  79 20 61 73 20 74 68 65  |e exactly as the|
000001c0  79 0a 77 6f 75 6c 64 20  6f 6e 20 61 20 72 65 61  |y.would on a rea|
000001d0  6c 20 42 42 43 20 69 72  72 65 73 70 65 63 74 69  |l BBC irrespecti|
000001e0  76 65 20 6f 66 20 77 68  61 74 20 69 73 20 77 72  |ve of what is wr|
000001f0  69 74 74 65 6e 20 6f 6e  0a 74 68 65 6d 20 6f 6e  |itten on.them on|
00000200  20 79 6f 75 72 20 6b 65  79 62 6f 61 72 64 0a 0a  | your keyboard..|
00000210  54 68 65 20 4e 61 74 75  72 61 6c 20 6b 65 79 6d  |The Natural keym|
00000220  61 70 20 77 69 6c 6c 20  61 74 74 65 6d 70 74 20  |ap will attempt |
00000230  74 6f 20 6d 61 6b 65 20  74 68 65 20 6b 65 79 73  |to make the keys|
00000240  20 67 65 6e 65 72 61 74  65 20 74 68 65 0a 73 79  | generate the.sy|
00000250  6d 62 6f 6c 20 74 68 61  74 20 69 73 20 70 72 69  |mbol that is pri|
00000260  6e 74 65 64 20 6f 6e 20  74 68 65 20 6b 65 79 2c  |nted on the key,|
00000270  20 62 75 74 20 77 69 6c  6c 20 6e 6f 74 20 77 6f  | but will not wo|
00000280  72 6b 20 66 6f 72 20 73  79 6d 62 6f 6c 73 0a 74  |rk for symbols.t|
00000290  68 61 74 20 6e 65 65 64  20 73 68 69 66 74 20 6f  |hat need shift o|
000002a0  6e 20 74 68 65 20 42 42  43 20 62 75 74 20 6e 6f  |n the BBC but no|
000002b0  74 20 75 6e 64 65 72 20  52 49 53 43 20 4f 53 20  |t under RISC OS |
000002c0  6f 72 20 76 69 63 65 2d  76 65 72 73 61 0a 66 6f  |or vice-versa.fo|
000002d0  72 20 69 6e 73 74 61 6e  63 65 20 5e 20 3a 20 27  |r instance ^ : '|
000002e0  20 3d 20 5f                                       | = _|
000002e4