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!Inferno/VTwistJS

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_199611.adf » Inferno
Filename: !Inferno/VTwistJS
Read OK:
File size: 051C bytes
Load address: 0000
Exec address: 0000
File contents
l�,8�@?,\JoystickVTwist Joystick	3.00 (25 Feb 1993) 'Acorn' standard joystick supports fJoystickSWI�---The module 'Joystick' provides support for joystick interfaces made by either 'The Serial Port' or by 'Vertical Twist'. It was put into the public domain by 'Vertical Twist'.

This Acorn standard SWI may be used to read the state of a specified joystick:

SWI Joystick_Read (SWI &43F40)

This module will refuse to initialise if the joystick interface is not plugged in or not switched on.DRB;�#
�����Unknown Joystick operationeJoystickRead @-�%��b���Vertical Twist/Serial port joystick interface not presentw @-����@-�O��!����@����	��	���@�����?@-��!��P �� �2�
�!���1����������@���@�!S�����������@����@�R��!�!��1����-���������U���C��@�!S��P�������L����@�@�@�P�P�4�5
��P��JX������4�5+?���<@-��@��P@��@�4�
� ���0��@@����P��P%�P��P��P����P��@���@���: �@��P�� ��-� �� ��@ ����0��0#�0��X0��X0��X0��0����0��@��� ���: �� ��X ��X �� �� �2�!�X0����0��<���@-�B���B�0�����%�	% 
00000000  00 00 00 00 6c 02 00 00  bc 02 00 00 00 00 00 00  |....l...........|
00000010  2c 00 00 00 38 00 00 00  80 00 00 00 40 3f 04 00  |,...8.......@?..|
00000020  2c 02 00 00 5c 02 00 00  00 00 00 00 4a 6f 79 73  |,...\.......Joys|
00000030  74 69 63 6b 00 00 00 00  56 54 77 69 73 74 20 4a  |tick....VTwist J|
00000040  6f 79 73 74 69 63 6b 09  33 2e 30 30 20 28 32 35  |oystick.3.00 (25|
00000050  20 46 65 62 20 31 39 39  33 29 20 27 41 63 6f 72  | Feb 1993) 'Acor|
00000060  6e 27 20 73 74 61 6e 64  61 72 64 20 6a 6f 79 73  |n' standard joys|
00000070  74 69 63 6b 20 73 75 70  70 6f 72 74 00 73 20 66  |tick support.s f|
00000080  4a 6f 79 73 74 69 63 6b  53 57 49 00 00 00 00 00  |JoystickSWI.....|
00000090  00 00 00 00 00 00 00 00  a0 00 00 00 00 2d 2d 2d  |.............---|
000000a0  54 68 65 20 6d 6f 64 75  6c 65 20 27 4a 6f 79 73  |The module 'Joys|
000000b0  74 69 63 6b 27 20 70 72  6f 76 69 64 65 73 20 73  |tick' provides s|
000000c0  75 70 70 6f 72 74 20 66  6f 72 20 6a 6f 79 73 74  |upport for joyst|
000000d0  69 63 6b 20 69 6e 74 65  72 66 61 63 65 73 20 6d  |ick interfaces m|
000000e0  61 64 65 20 62 79 20 65  69 74 68 65 72 20 27 54  |ade by either 'T|
000000f0  68 65 20 53 65 72 69 61  6c 20 50 6f 72 74 27 20  |he Serial Port' |
00000100  6f 72 20 62 79 20 27 56  65 72 74 69 63 61 6c 20  |or by 'Vertical |
00000110  54 77 69 73 74 27 2e 20  49 74 20 77 61 73 20 70  |Twist'. It was p|
00000120  75 74 20 69 6e 74 6f 20  74 68 65 20 70 75 62 6c  |ut into the publ|
00000130  69 63 20 64 6f 6d 61 69  6e 20 62 79 20 27 56 65  |ic domain by 'Ve|
00000140  72 74 69 63 61 6c 20 54  77 69 73 74 27 2e 0d 0d  |rtical Twist'...|
00000150  54 68 69 73 20 41 63 6f  72 6e 20 73 74 61 6e 64  |This Acorn stand|
00000160  61 72 64 20 53 57 49 20  6d 61 79 20 62 65 20 75  |ard SWI may be u|
00000170  73 65 64 20 74 6f 20 72  65 61 64 20 74 68 65 20  |sed to read the |
00000180  73 74 61 74 65 20 6f 66  20 61 20 73 70 65 63 69  |state of a speci|
00000190  66 69 65 64 20 6a 6f 79  73 74 69 63 6b 1f 3a 0d  |fied joystick.:.|
000001a0  0d 1f 1f 53 57 49 20 4a  6f 79 73 74 69 63 6b 5f  |...SWI Joystick_|
000001b0  52 65 61 64 20 28 53 57  49 20 26 34 33 46 34 30  |Read (SWI &43F40|
000001c0  29 0d 0d 54 68 69 73 20  6d 6f 64 75 6c 65 20 77  |)..This module w|
000001d0  69 6c 6c 20 72 65 66 75  73 65 20 74 6f 20 69 6e  |ill refuse to in|
000001e0  69 74 69 61 6c 69 73 65  20 69 66 20 74 68 65 20  |itialise if the |
000001f0  6a 6f 79 73 74 69 63 6b  20 69 6e 74 65 72 66 61  |joystick interfa|
00000200  63 65 20 69 73 20 6e 6f  74 20 70 6c 75 67 67 65  |ce is not plugge|
00000210  64 20 69 6e 20 6f 72 20  6e 6f 74 20 73 77 69 74  |d in or not swit|
00000220  63 68 65 64 20 6f 6e 2e  00 44 52 42 00 00 3b e3  |ched on..DRB..;.|
00000230  23 00 00 0a 00 00 8f e2  01 f2 9e e3 e6 01 00 00  |#...............|
00000240  55 6e 6b 6e 6f 77 6e 20  4a 6f 79 73 74 69 63 6b  |Unknown Joystick|
00000250  20 6f 70 65 72 61 74 69  6f 6e 00 65 4a 6f 79 73  | operation.eJoys|
00000260  74 69 63 6b 00 52 65 61  64 00 00 20 00 40 2d e9  |tick.Read.. .@-.|
00000270  25 00 00 eb 00 00 8f 62  00 80 bd e8 00 00 00 00  |%......b........|
00000280  56 65 72 74 69 63 61 6c  20 54 77 69 73 74 2f 53  |Vertical Twist/S|
00000290  65 72 69 61 6c 20 70 6f  72 74 20 6a 6f 79 73 74  |erial port joyst|
000002a0  69 63 6b 20 69 6e 74 65  72 66 61 63 65 20 6e 6f  |ick interface no|
000002b0  74 20 70 72 65 73 65 6e  74 00 77 20 00 40 2d e9  |t present.w .@-.|
000002c0  00 80 bd e8 0e 40 2d e9  4f 00 00 eb 01 00 10 e3  |.....@-.O.......|
000002d0  21 14 a0 11 00 00 a0 e3  01 00 11 e3 40 00 80 13  |!...........@...|
000002e0  02 00 11 e3 c0 00 80 13  04 00 11 e3 03 09 80 13  |................|
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00000510  e0 09 01 03 10 00 25 03  00 00 20 03              |......%... .|
0000051c