Home » Archimedes archive » Micro User » MU 1992-02.adf » PD » Twilight/!ReadMe

Twilight/!ReadMe

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 » Micro User » MU 1992-02.adf » PD
Filename: Twilight/!ReadMe
Read OK:
File size: 099E bytes
Load address: 0000
Exec address: 0000
File contents
Twilight Programmers Reference Disc
ReadMe file


Release 1.00 (20/12/91)
This documentation � Ben Summers 1991

This disc contains:
 !ReadMe       This file
 !TwEffects    Extra effects directory (public domain)
 !TwPlayer     Effect player (public domain, distribute with your effects)
 c             Directory containing source code for effects
 h             Directory containing assembler header files
 controldes    Program to merge control data with effect code
 datafile      Program to create files suitiable for inclusion in the Acorn
               assembler with the 'GET' directive from data files.
 des           Directory containing control descriptions for effects
 Overview      Overview of the contents of this disc
 Header        Describes the effect header
 Entry         Describes the entry points for an effect
 Parameters    How to use the controldes program and the format of
               the parmeters block
 Hints         Hints on how to write an effect
 ExtraDir      Documentation on the !TwEffects directory
 Testing       What you should do to test an effect
 c.base        'Base' source code for effect
 c.bounce      Source code for full effect
 des.bounce    Control description for bounce effect
 des.???       This directory also contains other descripition files
 h.swis        SWI list for the Acorn Assembler
 h.effectdefs  Standard effect definitions for the Acorn Assembler

We are interested in any effects you write. Please send us a copy!

The Bounce effect is not very impressive. Maybe someone would like to
improve it...

It is likely that there are a lot of spelling mistakes in these files.
Please forgive me.

If you have any comments about this interface, please write to the Really
Good Software Company. Your ideas may be incorperated into future versions
of Twilight.


All correspondence should be addressed to:
 The Really Good Software Company
 PO Box 60
 Ashton-under-Lyne
 OL5 9WW


While The Really Good Software Company has endeavoured to ensure that this
information is correct, no responsibility is accepted by The Really Good
Software Company relating to this information. As we have no control over
the use made of this information no warranty is given or should be implied
as to the suitabitily of the information contained on this disc for any
particular application. No liabitily can be accepted for any consequential
loss or damage, however caused, arising from the use of this information.

00000000  54 77 69 6c 69 67 68 74  20 50 72 6f 67 72 61 6d  |Twilight Program|
00000010  6d 65 72 73 20 52 65 66  65 72 65 6e 63 65 20 44  |mers Reference D|
00000020  69 73 63 0a 52 65 61 64  4d 65 20 66 69 6c 65 0a  |isc.ReadMe file.|
00000030  0a 0a 52 65 6c 65 61 73  65 20 31 2e 30 30 20 28  |..Release 1.00 (|
00000040  32 30 2f 31 32 2f 39 31  29 0a 54 68 69 73 20 64  |20/12/91).This d|
00000050  6f 63 75 6d 65 6e 74 61  74 69 6f 6e 20 a9 20 42  |ocumentation . B|
00000060  65 6e 20 53 75 6d 6d 65  72 73 20 31 39 39 31 0a  |en Summers 1991.|
00000070  0a 54 68 69 73 20 64 69  73 63 20 63 6f 6e 74 61  |.This disc conta|
00000080  69 6e 73 3a 0a 20 21 52  65 61 64 4d 65 20 20 20  |ins:. !ReadMe   |
00000090  20 20 20 20 54 68 69 73  20 66 69 6c 65 0a 20 21  |    This file. !|
000000a0  54 77 45 66 66 65 63 74  73 20 20 20 20 45 78 74  |TwEffects    Ext|
000000b0  72 61 20 65 66 66 65 63  74 73 20 64 69 72 65 63  |ra effects direc|
000000c0  74 6f 72 79 20 28 70 75  62 6c 69 63 20 64 6f 6d  |tory (public dom|
000000d0  61 69 6e 29 0a 20 21 54  77 50 6c 61 79 65 72 20  |ain). !TwPlayer |
000000e0  20 20 20 20 45 66 66 65  63 74 20 70 6c 61 79 65  |    Effect playe|
000000f0  72 20 28 70 75 62 6c 69  63 20 64 6f 6d 61 69 6e  |r (public domain|
00000100  2c 20 64 69 73 74 72 69  62 75 74 65 20 77 69 74  |, distribute wit|
00000110  68 20 79 6f 75 72 20 65  66 66 65 63 74 73 29 0a  |h your effects).|
00000120  20 63 20 20 20 20 20 20  20 20 20 20 20 20 20 44  | c             D|
00000130  69 72 65 63 74 6f 72 79  20 63 6f 6e 74 61 69 6e  |irectory contain|
00000140  69 6e 67 20 73 6f 75 72  63 65 20 63 6f 64 65 20  |ing source code |
00000150  66 6f 72 20 65 66 66 65  63 74 73 0a 20 68 20 20  |for effects. h  |
00000160  20 20 20 20 20 20 20 20  20 20 20 44 69 72 65 63  |           Direc|
00000170  74 6f 72 79 20 63 6f 6e  74 61 69 6e 69 6e 67 20  |tory containing |
00000180  61 73 73 65 6d 62 6c 65  72 20 68 65 61 64 65 72  |assembler header|
00000190  20 66 69 6c 65 73 0a 20  63 6f 6e 74 72 6f 6c 64  | files. controld|
000001a0  65 73 20 20 20 20 50 72  6f 67 72 61 6d 20 74 6f  |es    Program to|
000001b0  20 6d 65 72 67 65 20 63  6f 6e 74 72 6f 6c 20 64  | merge control d|
000001c0  61 74 61 20 77 69 74 68  20 65 66 66 65 63 74 20  |ata with effect |
000001d0  63 6f 64 65 0a 20 64 61  74 61 66 69 6c 65 20 20  |code. datafile  |
000001e0  20 20 20 20 50 72 6f 67  72 61 6d 20 74 6f 20 63  |    Program to c|
000001f0  72 65 61 74 65 20 66 69  6c 65 73 20 73 75 69 74  |reate files suit|
00000200  69 61 62 6c 65 20 66 6f  72 20 69 6e 63 6c 75 73  |iable for inclus|
00000210  69 6f 6e 20 69 6e 20 74  68 65 20 41 63 6f 72 6e  |ion in the Acorn|
00000220  0a 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |.               |
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00000260  65 73 2e 0a 20 64 65 73  20 20 20 20 20 20 20 20  |es.. des        |
00000270  20 20 20 44 69 72 65 63  74 6f 72 79 20 63 6f 6e  |   Directory con|
00000280  74 61 69 6e 69 6e 67 20  63 6f 6e 74 72 6f 6c 20  |taining control |
00000290  64 65 73 63 72 69 70 74  69 6f 6e 73 20 66 6f 72  |descriptions for|
000002a0  20 65 66 66 65 63 74 73  0a 20 4f 76 65 72 76 69  | effects. Overvi|
000002b0  65 77 20 20 20 20 20 20  4f 76 65 72 76 69 65 77  |ew      Overview|
000002c0  20 6f 66 20 74 68 65 20  63 6f 6e 74 65 6e 74 73  | of the contents|
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000002e0  65 61 64 65 72 20 20 20  20 20 20 20 20 44 65 73  |eader        Des|
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00000380  20 6f 66 0a 20 20 20 20  20 20 20 20 20 20 20 20  | of.            |
00000390  20 20 20 74 68 65 20 70  61 72 6d 65 74 65 72 73  |   the parmeters|
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000003e0  20 20 20 20 20 44 6f 63  75 6d 65 6e 74 61 74 69  |     Documentati|
000003f0  6f 6e 20 6f 6e 20 74 68  65 20 21 54 77 45 66 66  |on on the !TwEff|
00000400  65 63 74 73 20 64 69 72  65 63 74 6f 72 79 0a 20  |ects directory. |
00000410  54 65 73 74 69 6e 67 20  20 20 20 20 20 20 57 68  |Testing       Wh|
00000420  61 74 20 79 6f 75 20 73  68 6f 75 6c 64 20 64 6f  |at you should do|
00000430  20 74 6f 20 74 65 73 74  20 61 6e 20 65 66 66 65  | to test an effe|
00000440  63 74 0a 20 63 2e 62 61  73 65 20 20 20 20 20 20  |ct. c.base      |
00000450  20 20 27 42 61 73 65 27  20 73 6f 75 72 63 65 20  |  'Base' source |
00000460  63 6f 64 65 20 66 6f 72  20 65 66 66 65 63 74 0a  |code for effect.|
00000470  20 63 2e 62 6f 75 6e 63  65 20 20 20 20 20 20 53  | c.bounce      S|
00000480  6f 75 72 63 65 20 63 6f  64 65 20 66 6f 72 20 66  |ource code for f|
00000490  75 6c 6c 20 65 66 66 65  63 74 0a 20 64 65 73 2e  |ull effect. des.|
000004a0  62 6f 75 6e 63 65 20 20  20 20 43 6f 6e 74 72 6f  |bounce    Contro|
000004b0  6c 20 64 65 73 63 72 69  70 74 69 6f 6e 20 66 6f  |l description fo|
000004c0  72 20 62 6f 75 6e 63 65  20 65 66 66 65 63 74 0a  |r bounce effect.|
000004d0  20 64 65 73 2e 3f 3f 3f  20 20 20 20 20 20 20 54  | des.???       T|
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000004f0  73 6f 20 63 6f 6e 74 61  69 6e 73 20 6f 74 68 65  |so contains othe|
00000500  72 20 64 65 73 63 72 69  70 69 74 69 6f 6e 20 66  |r descripition f|
00000510  69 6c 65 73 0a 20 68 2e  73 77 69 73 20 20 20 20  |iles. h.swis    |
00000520  20 20 20 20 53 57 49 20  6c 69 73 74 20 66 6f 72  |    SWI list for|
00000530  20 74 68 65 20 41 63 6f  72 6e 20 41 73 73 65 6d  | the Acorn Assem|
00000540  62 6c 65 72 0a 20 68 2e  65 66 66 65 63 74 64 65  |bler. h.effectde|
00000550  66 73 20 20 53 74 61 6e  64 61 72 64 20 65 66 66  |fs  Standard eff|
00000560  65 63 74 20 64 65 66 69  6e 69 74 69 6f 6e 73 20  |ect definitions |
00000570  66 6f 72 20 74 68 65 20  41 63 6f 72 6e 20 41 73  |for the Acorn As|
00000580  73 65 6d 62 6c 65 72 0a  0a 57 65 20 61 72 65 20  |sembler..We are |
00000590  69 6e 74 65 72 65 73 74  65 64 20 69 6e 20 61 6e  |interested in an|
000005a0  79 20 65 66 66 65 63 74  73 20 79 6f 75 20 77 72  |y effects you wr|
000005b0  69 74 65 2e 20 50 6c 65  61 73 65 20 73 65 6e 64  |ite. Please send|
000005c0  20 75 73 20 61 20 63 6f  70 79 21 0a 0a 54 68 65  | us a copy!..The|
000005d0  20 42 6f 75 6e 63 65 20  65 66 66 65 63 74 20 69  | Bounce effect i|
000005e0  73 20 6e 6f 74 20 76 65  72 79 20 69 6d 70 72 65  |s not very impre|
000005f0  73 73 69 76 65 2e 20 4d  61 79 62 65 20 73 6f 6d  |ssive. Maybe som|
00000600  65 6f 6e 65 20 77 6f 75  6c 64 20 6c 69 6b 65 20  |eone would like |
00000610  74 6f 0a 69 6d 70 72 6f  76 65 20 69 74 2e 2e 2e  |to.improve it...|
00000620  0a 0a 49 74 20 69 73 20  6c 69 6b 65 6c 79 20 74  |..It is likely t|
00000630  68 61 74 20 74 68 65 72  65 20 61 72 65 20 61 20  |hat there are a |
00000640  6c 6f 74 20 6f 66 20 73  70 65 6c 6c 69 6e 67 20  |lot of spelling |
00000650  6d 69 73 74 61 6b 65 73  20 69 6e 20 74 68 65 73  |mistakes in thes|
00000660  65 20 66 69 6c 65 73 2e  0a 50 6c 65 61 73 65 20  |e files..Please |
00000670  66 6f 72 67 69 76 65 20  6d 65 2e 0a 0a 49 66 20  |forgive me...If |
00000680  79 6f 75 20 68 61 76 65  20 61 6e 79 20 63 6f 6d  |you have any com|
00000690  6d 65 6e 74 73 20 61 62  6f 75 74 20 74 68 69 73  |ments about this|
000006a0  20 69 6e 74 65 72 66 61  63 65 2c 20 70 6c 65 61  | interface, plea|
000006b0  73 65 20 77 72 69 74 65  20 74 6f 20 74 68 65 20  |se write to the |
000006c0  52 65 61 6c 6c 79 0a 47  6f 6f 64 20 53 6f 66 74  |Really.Good Soft|
000006d0  77 61 72 65 20 43 6f 6d  70 61 6e 79 2e 20 59 6f  |ware Company. Yo|
000006e0  75 72 20 69 64 65 61 73  20 6d 61 79 20 62 65 20  |ur ideas may be |
000006f0  69 6e 63 6f 72 70 65 72  61 74 65 64 20 69 6e 74  |incorperated int|
00000700  6f 20 66 75 74 75 72 65  20 76 65 72 73 69 6f 6e  |o future version|
00000710  73 0a 6f 66 20 54 77 69  6c 69 67 68 74 2e 0a 0a  |s.of Twilight...|
00000720  0a 41 6c 6c 20 63 6f 72  72 65 73 70 6f 6e 64 65  |.All corresponde|
00000730  6e 63 65 20 73 68 6f 75  6c 64 20 62 65 20 61 64  |nce should be ad|
00000740  64 72 65 73 73 65 64 20  74 6f 3a 0a 20 54 68 65  |dressed to:. The|
00000750  20 52 65 61 6c 6c 79 20  47 6f 6f 64 20 53 6f 66  | Really Good Sof|
00000760  74 77 61 72 65 20 43 6f  6d 70 61 6e 79 0a 20 50  |tware Company. P|
00000770  4f 20 42 6f 78 20 36 30  0a 20 41 73 68 74 6f 6e  |O Box 60. Ashton|
00000780  2d 75 6e 64 65 72 2d 4c  79 6e 65 0a 20 4f 4c 35  |-under-Lyne. OL5|
00000790  20 39 57 57 0a 0a 0a 57  68 69 6c 65 20 54 68 65  | 9WW...While The|
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000007b0  74 77 61 72 65 20 43 6f  6d 70 61 6e 79 20 68 61  |tware Company ha|
000007c0  73 20 65 6e 64 65 61 76  6f 75 72 65 64 20 74 6f  |s endeavoured to|
000007d0  20 65 6e 73 75 72 65 20  74 68 61 74 20 74 68 69  | ensure that thi|
000007e0  73 0a 69 6e 66 6f 72 6d  61 74 69 6f 6e 20 69 73  |s.information is|
000007f0  20 63 6f 72 72 65 63 74  2c 20 6e 6f 20 72 65 73  | correct, no res|
00000800  70 6f 6e 73 69 62 69 6c  69 74 79 20 69 73 20 61  |ponsibility is a|
00000810  63 63 65 70 74 65 64 20  62 79 20 54 68 65 20 52  |ccepted by The R|
00000820  65 61 6c 6c 79 20 47 6f  6f 64 0a 53 6f 66 74 77  |eally Good.Softw|
00000830  61 72 65 20 43 6f 6d 70  61 6e 79 20 72 65 6c 61  |are Company rela|
00000840  74 69 6e 67 20 74 6f 20  74 68 69 73 20 69 6e 66  |ting to this inf|
00000850  6f 72 6d 61 74 69 6f 6e  2e 20 41 73 20 77 65 20  |ormation. As we |
00000860  68 61 76 65 20 6e 6f 20  63 6f 6e 74 72 6f 6c 20  |have no control |
00000870  6f 76 65 72 0a 74 68 65  20 75 73 65 20 6d 61 64  |over.the use mad|
00000880  65 20 6f 66 20 74 68 69  73 20 69 6e 66 6f 72 6d  |e of this inform|
00000890  61 74 69 6f 6e 20 6e 6f  20 77 61 72 72 61 6e 74  |ation no warrant|
000008a0  79 20 69 73 20 67 69 76  65 6e 20 6f 72 20 73 68  |y is given or sh|
000008b0  6f 75 6c 64 20 62 65 20  69 6d 70 6c 69 65 64 0a  |ould be implied.|
000008c0  61 73 20 74 6f 20 74 68  65 20 73 75 69 74 61 62  |as to the suitab|
000008d0  69 74 69 6c 79 20 6f 66  20 74 68 65 20 69 6e 66  |itily of the inf|
000008e0  6f 72 6d 61 74 69 6f 6e  20 63 6f 6e 74 61 69 6e  |ormation contain|
000008f0  65 64 20 6f 6e 20 74 68  69 73 20 64 69 73 63 20  |ed on this disc |
00000900  66 6f 72 20 61 6e 79 0a  70 61 72 74 69 63 75 6c  |for any.particul|
00000910  61 72 20 61 70 70 6c 69  63 61 74 69 6f 6e 2e 20  |ar application. |
00000920  4e 6f 20 6c 69 61 62 69  74 69 6c 79 20 63 61 6e  |No liabitily can|
00000930  20 62 65 20 61 63 63 65  70 74 65 64 20 66 6f 72  | be accepted for|
00000940  20 61 6e 79 20 63 6f 6e  73 65 71 75 65 6e 74 69  | any consequenti|
00000950  61 6c 0a 6c 6f 73 73 20  6f 72 20 64 61 6d 61 67  |al.loss or damag|
00000960  65 2c 20 68 6f 77 65 76  65 72 20 63 61 75 73 65  |e, however cause|
00000970  64 2c 20 61 72 69 73 69  6e 67 20 66 72 6f 6d 20  |d, arising from |
00000980  74 68 65 20 75 73 65 20  6f 66 20 74 68 69 73 20  |the use of this |
00000990  69 6e 66 6f 72 6d 61 74  69 6f 6e 2e 0a 0a        |information...|
0000099e