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!AWJune94/Goodies/Zap/!Zap/3rdParty/ZapMJEHelp

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.

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File contents
ZapMJE 0.51 help file
� Martin Ebourne, 1994

                              -=-=-=-=-=-=-=-
This software is COPYRIGHT, but has been released as FREEWARE. Please see the
end of this file for conditions of use and distribution.
                              -=-=-=-=-=-=-=-



Introduction
============

ZapMJE provides several new modes and various other extensions for the Zap
text editor. In brief, these are:

  � C, Acorn Assembler and Pascal source editing modes
  � Colour, compilation, indenting, bracket matching, function browsers,
    next/last function, swap to header, strip spaces at end of lines on save,
    improved shift-left and right arrow (previous and next word), tab type 
    mode specific, and various commenting features for the new modes
    (not all features in all modes)
  � Support for using StrongHelp directly
  � A command to enable keys to have different bindings for different modes
  � A command to alter the current selection (the same as Edit's F6)



Mode specific features
==== ======== ========

Colour
------

This is currently available in the C and assembler modes. Pascal will be
implemented one day (when someone has told me or I have figured out the
precise syntax). For C, the colours are as follows:

  Foreground  : Used for anything which doesn't classify below
  Comments    : Anything in /* */
  Strings     : Strings, character constants and include filenames
                (ie. anything in "", '' or, after a #include, <>)
  Instructions: Reserved words (eg. switch, void)
  Preprocessor: Anything on preprocessor lines not under any other category
                (including preprocessor keywords such as #define)
  Functions   : Function name in definitions, calls and macros. Not however,
                when used as a pointer
  Variables   : Any other user defined word, including parameter-less macros
  Numbers     : Things like 6.5!

The assembler colours are:

  Foreground  : Used for anything which doesn't classify below
  Comments    : Anything after ;
  Strings     : Strings and character constants (ie. anything in "" or '')
  Instructions: Anything in the instruction field (first section of line
                following whitespace), plus anything else which is part of
                the instruction (eg. {, }, !). Also instruction shifts
                (eg. ASL)
  Operators   : Assembler expression operators (eg. :SHL:)
  Labels      : Anything in the label field (text at very start of line)
  Names       : Any user defined words in the parameters of an instruction
  Numbers     : Things like 2_1101

Colouring is automatic, and if you want to switch it off you will have to set
all the foreground colours the same. A problem you are bound to have is
finding enough usable colours to display. In C they are best as all
different (in assembler some of them are very closely related and hence are
best coloured the same), but unfortunately there are only 5 usable colours in
the normal Wimp palette. Hence the defaults include some grey ones. I
recommend you re-define the colours in the palette to make them usable if you
intend to use it seriously.


Compilation
-----------

This is very powerful and is designed to cater for every situation. The way
it operates is as follows (in order):

1. Look for sourcefile.^.^.MakeFile (standard name and location for a
makefile)

2. If it is type Text (FFF) or Makefile (FE1) then pass it round as a message
Data Open for either Make or AMU to pick up on. Note that it is passed round
as type FE1 regardless of whether it is Text or not. This is because a lot of
makefiles are typed to Text, and Make and AMU will not pick these up (but Zap
will!). Also note that for AMU to intercept this message, it needs a
'filetype &FE1;' line inserted into the top section of the description file.

3. If no task claims the message then amu is invoked from the command line in
a task window. The default amu options used are '-desktop -k'. The taskwindow
options used are '-display -quit'.

4. If sourcefile.^.^.MakeFile file is not of type Text or Makefile, then it
is run using Wimp_StartTask. This allows for obey files and the like to be
used, giving absolute flexibility.

5. If sourcefile.^.^.MakeFile file does not exist, then the source file is
compiled/assembled direct. It cannot be passed round as a Wimp message
because it is text, and so cannot be claimed by CC or whatever. Thus it is
compiled/assembled in a task window along the same lines as amu if invoked
above. The options used depend on the mode and are as follows:

  C      - '-IC: -throwback -LC:o.RISC_OSlib,C:o.stubs -Desktop ^'
  Asm    - Assembly does not work at the moment. Makefiles are still ok
           though
  Pascal - '-ranprv -LC:o.Stubs -throwback -desktop ^'

6. There is one last feature to ensure 100% flexibility. If the characters
'/*+�', ';+�' or '(*+�' (depending on mode) are found within the first 1k of
the source file when invoking amu or compilation/assembly directly in a task
window, then the following characters until the next close comment or end
of line are used INSTEAD of the default options string. This means that if
you don't like the default options, you can supply your own. (For instance,
if you include extra libraries or want debug code generated.)

Note that the maximum length for the command issued is 256 characters,
including the filename, commands and the various options. Also, NO
translation is carried out in copying the options. However, when calling
*TaskWindow, the command is placed in quotes - so if any were required in the
options string they would have to be doubled up originally.


There are two commands to invoke compilation; COMPILE which saves and then
compiles (assuming the save was ok), and RUN which compiles without saving
the current file. (These correspond to the equivalent BASIC commands.)


Indenting
---------

This is currently only present in the C mode, and simply puts the requested
number of extra spaces onto the indent for the line following a {, and
aligns }s up with the corresponding {. The indent is set via the C mode
menu, and should have the value 0 to disable the feature.


Bracket matching
------- --------

Currently only the 'as you type' matching is implemented and then only in the
C mode. When you type a close bracket (either ), } or ]) the cursor will jump
to the corresponding open bracket for the time specified in the pause entry
in the C mode menu (in centiseconds). The pause will be truncated if you
carry on typing. To disable it, set the pause to 0 centiseconds.


Function browsers
-------- --------

This feature works on all three modes, and simply provides a browser of all
the function definitions in the source file. C mode correctly copes with old
and new style function definitions, as well as contrived statements such as:

#ifdef __STDC__
int wibble(int wobble)
#else
int wibble(wobble)
int wobble;
#endif
{
  ...

which are designed to work under both pcc and ANSI compilers. Assembler mode
simply lists all the lines on which labels are defined. This feature is
invoked with the standard command LISTFNS.


Next/last function
---- ---- --------

These work in the same way as the function browser, but place the cursor at
the definition of the next or previous function in the source file. They are
invoked with MJE_NEXTFUNC and MJE_LASTFUNC respectively.


Swap to header
---- -- ------

This moves the input focus onto the corresponding header/source file (ie.
with the same leafname) for the current source/header file (assuming one
exists). It also loads the file if necessary. The corresponding header file
is of the form sourcefile.^.^.h.sourcefile, and the corresponding sourcefile
is of the form headerfile.^.^.x.headerfile where x is c, s or p depending on
mode. This feature is invoked with MJE_SWAPTOHEADER.


Excess space removal
------ ----- -------

This automatically occurs on saving the file, and simply removes any excess
whitespace on the ends of lines. These serve no purpose other than to waste
memory and slow things down, and since they are easily generated with the
auto-indentation, it needs some way of easy removal. This is present only as
a stop-gap until Zap supports it properly.


Previous and next word
-------- --- ---- ----

The previous and next word commands (shift-left & shift-right) of Zap are
intended for use when text editing, and as such only stop after whitespace or
parentheses. This is fine for text, but totally unsuitable for program
editing unless you are liberal with your spaces (I'm not). For instance,
previous/next word would jump right over 'whatever=this+that/something_else;'
which is not very useful. For that reason all three of the extra modes have a
much more powerful implementation as standard. It can be thought of as
working like this:

There are 5 categories of character, classified in descending order as:

  5: Newline character
  4: Letters and numbers
  3: Anything else non-whitespace (ie. symbols)
  2: Whitespace (space and tab)
  1: Newline character

When you press shift-left or shift-right, the cursor will be moved in that
direction until the classification of the next character (in the direction it
is moving) is greater than that of the current character, upon which it will
stop. Newline appears twice in order to ensure that the cursor will always
stop on each side of it. (ie. at start & end of line).

This probably sounds quite complicated, but it is in actual fact very easy,
and very intuitive to use. As an example, these are the points that the
cursor would stop at:

Line:  if((char2=getchar())!=0 && char2!=line_terminator)
Fwd :  ^   ^     ^           ^ ^  ^      ^    ^          ^
Back:^   ^      ^       ^     ^  ^     ^     ^          ^


Tab type mode specific
--- ---- ---- --------

A problem with Zap which should be fixed soon is that not enough options are
mode specific. eg. tab type. This is bound to be different for different
modes (eg. column/Unix tab in assembler, Edit tab in C), so these modes
support it as mode specific. Normally this will be fine, but you may notice
that if you switch from text to one of these modes and back to text, the tab
type will have changed. This is because text does not have a setting for it.


Various commenting features
------- ---------- --------

These all work in all three modes and are:

MJE_OPENCOMMENT
  This inserts the appropriate open comment text (ie. '/*�', ';�' or '(*�').

MJE_CLOSECOMMENT
  Inserts appropriate close comment ('�*/' or '�*)' [none for assembler]).

MJE_IF
  Inserts 'pre-processor comment'. ie. uses conditional compilation/assembly
to effectively comment out the stuff ahead.. (Handy if there are comments
around, since you can't nest them in C). Inserts '#if�0\n' or '�[ 1<>0\n'
depending on mode.

MJE_ENDIF
  Finishes 'pre-processor comment'. (ie. inserts '#endif\n' or '�]\n'.)

MJE_COMMENTLINE
  Comments out line and moves onto next. (ie. inserts '/*�' & '�*/', ';�', or
'(*�' & '�*)' at start and end of line.)

MJE_UNCOMMENTLINE
  Reverses above. (ie. removes '/*�' & '�*/', ';�' or '(*�' & '�*)' if
present and moves onto next line)


Non-standard option
--- -------- ------

This will not be very useful to many people, except if they lay their
assembler source out the same way as I do. Basically, if enabled then on
pressing tab you will be advanced to the next 'source column' rather than tab
stop. It only works sensibly with Unix or column tab, and the 'source
columns' are laid out as follows (using Unix tab):

Label ->------->Ins --->Operands ------>------->------->Comment

(ie. 2, 1 and 4 tab stops)

If your source looks like that, then try it, you might like it. If it doesn't
then don't switch it on and no harm done. The only reason it is in there is
because it is easier than disabling it for release. Also, Dominic wanted me
to use the non-standard option in order to justify its existance. I bet he'll
remove it now just to spite me. ;-) This feature is probably only a stop-gap
until Zap supports variable tab stops properly.



Help commands
==== ========

These work in all modes (except tokenised BASIC at the moment).
Together, they provide a more comprehensive interface to StrongHelp than
StrongEd does. :-)


Context sensitive
------- ---------

This provides help on whatever is by the cursor. Currently it only works if
the cursor is on text of some description, but it is subject to improvement
when I have time. It is invoked with the command
MJE_HELPCONTEXT.


Previous
--------

This doesn't work at the moment, though it will do one day. MJE_HELPLAST is
the command, and it will re-produce the last x previous help screens going
back up a stack. (This is more for the native system.)


Topic/keyword
----- -------

This has 3 modes of operation:

The command MJE_HELPTOPIC "text" will look for help on the keyword text. This
is handy to have keys for a main menu, etc.

The command MJE_HELPTOPIC with no parameter will search for help on whatever
is selected, assuming it is in the current window and not too long. (This
allows help on words with symbols in, which MJE_HELPCONTEXT would discard as
irrelevant.)

If it still hasn't worked out what to search for, a minibuffer will be opened
for you to type in the appropriate topic.



General features
======= ========

MJE_IFMODE
----------

This enables you to use keys for different functions in different modes, or
more normally, provide the same function in several modes where one or more
of them doesn't check the mode before performing the function. eg. A mapping
for next function could be:

MJE_NEXTFUNC:MJE_IFMODE "7:C_NEXT_FUNCTION"

This is needed because the C_NEXT_FUNCTION command executes regardless of
mode and would thus mess things up in any of the other modes.

The syntax is:

MJE_IFMODE "Modelist:Commands"

Modelist is a comma separated list of mode numbers for which the commands are
to execute in. You can also use a hyphen for ranges. eg. "1,3-5,7:..." No
other characters, not even spaces are allowed before the colon, apart from
the option of a ! immediately before it. This has the effect of negating
the condition. eg. "0,2,6,8-255!:" is the same as the previous example.

Commands is a list of commands in the normal way.


MJE_ALTERSEL
------------

This works in the same way as Edit's F6. If there is no selection, the
character after the cursor is selected, else the operation is equivalent to
clicking adjust with the mouse. This is very handy if you select something
with the keyboard but get it slightly wrong - it saves you re-selecting the
whole lot. Another essential use is to select a line/several lines with the
following command sequence:

CLEFT:MJE_ALTERSEL:CRIGHT:DOWN:CLEFT:MJE_ALTERSEL



Copyright
=========

The conditions of copying this program and its associated documentation are
the same as those of the main Zap application, except you do not need my
permision to copy it if you have Dominic's.

This software is provided as is with no warranty as to its suitability or
otherwise for any particular task. If it does anything nasty then I want to
know so I can fix it, but I'm not taking any responsibility. (Besides,
there's no point in sueing me since I've got no money.)

Non-release versions of this module (identify themselves as test versions on
*Help ZapMJE) are *NOT* distributable without my express permission. They are
also more likely to fall over. ;-)

Please note that I reserve the right to make alterations to this program, its
operation, documentation, and/or conditions of use without notice in any way
I see fit. Hopefully it will be an improvement.


Acknowledgements
================

Thanks to Dominic for writing Zap and not even charging for it! (Though he's
partly responsible for a rather large amount of damage to my 'phone bill.
:-()

Thanks to Brian Scattergood for writing his Cmode which this originally came
from - it made initial development a lot easier (although I did have to hack
it first :-]). There's even some original (slightly modified) code left!
(Most of the stuff which is C mode only.) This will have to be replaced in
the course of making it work on all modes sooner or later. :-(

Thanks to Mercury for not charging quite as much as BT. (It means I'm just
broke rather than completely bankrupt. :-]  Correction: It means it took me
very slightly longer to become completely bankrupt.)


Contacting
==========

I can be contacted through email to mje@soton.ac.uk all year round (faster
response time during term). Alternatively, snail to:

1 Malvern Road
Acocks Green
Birmingham
B27 6EG

Please let me know of any bugs or undocumented features if you ever find any
(and they aren't listed at the end of the file - that's the hard bit!). Also,
ideas for improvement are welcome. A few of my current ideas are:

  � A key to generate header files from source
  � A really cool native help system of which the details are secret at the
    moment... ;-) If you've got any ideas for it however, then now's the time
    to let me have them
  � A pretty nifty selection mechanism for C & Pascal (possibly even
    assembler)
  � Colour redraw for Pascal
  � Bracket matching correctly on all modes
  � Remove any features which aren't listed in this help file

If anybody wants to help me pay off some of the 'phone bill this module has
incurred, then all donations are gratefully accepted at the address above.
(Well you can't blame me for trying, can you!)


Known mis-features
===== === ========

(These are just the important ones :-()

Assembler:

  � Assembling with no make file doesn't work
  � Function finding cheats (uses search)

C:

  � The syntax colouring is slow with large files and multiple views of the
    same file, but then when constructs such as:
    #inc\
    lude /* *\
    / <std\
    io.h>
    are valid (try it, it works!), its hardly surprising. However, this will
    be improved in later versions.
  � Problems with function finding:
    1) Preprocessor # not at start of line not recognised
    2) foo () isn't found
    3) It doesn't cope with \ outside of preprocessor
    These 'bugs' are due to me not knowing precisely how the C syntax worked
    when I wrote it. Unfortunately, the deadline has been very tight & it's
    been close to get the colouring work, let alone the function finding
  � There are problems with the colouring on constructs such as:
    1) _kernel_oserror (foo) ();
    2) wibble
       #define wobble
       (void)

Pascal:

  � Function finding cheats (like assembler)

Miscellaneous:

  � This is Zap's fault, but swap to header doesn't load file into correct
    mode
00000000  5a 61 70 4d 4a 45 20 30  2e 35 31 20 68 65 6c 70  |ZapMJE 0.51 help|
00000010  20 66 69 6c 65 0a a9 20  4d 61 72 74 69 6e 20 45  | file.. Martin E|
00000020  62 6f 75 72 6e 65 2c 20  31 39 39 34 0a 0a 20 20  |bourne, 1994..  |
00000030  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000040  20 20 20 20 20 20 20 20  20 20 20 20 2d 3d 2d 3d  |            -=-=|
00000050  2d 3d 2d 3d 2d 3d 2d 3d  2d 3d 2d 0a 54 68 69 73  |-=-=-=-=-=-.This|
00000060  20 73 6f 66 74 77 61 72  65 20 69 73 20 43 4f 50  | software is COP|
00000070  59 52 49 47 48 54 2c 20  62 75 74 20 68 61 73 20  |YRIGHT, but has |
00000080  62 65 65 6e 20 72 65 6c  65 61 73 65 64 20 61 73  |been released as|
00000090  20 46 52 45 45 57 41 52  45 2e 20 50 6c 65 61 73  | FREEWARE. Pleas|
000000a0  65 20 73 65 65 20 74 68  65 0a 65 6e 64 20 6f 66  |e see the.end of|
000000b0  20 74 68 69 73 20 66 69  6c 65 20 66 6f 72 20 63  | this file for c|
000000c0  6f 6e 64 69 74 69 6f 6e  73 20 6f 66 20 75 73 65  |onditions of use|
000000d0  20 61 6e 64 20 64 69 73  74 72 69 62 75 74 69 6f  | and distributio|
000000e0  6e 2e 0a 20 20 20 20 20  20 20 20 20 20 20 20 20  |n..             |
000000f0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000100  20 2d 3d 2d 3d 2d 3d 2d  3d 2d 3d 2d 3d 2d 3d 2d  | -=-=-=-=-=-=-=-|
00000110  0a 0a 0a 0a 49 6e 74 72  6f 64 75 63 74 69 6f 6e  |....Introduction|
00000120  0a 3d 3d 3d 3d 3d 3d 3d  3d 3d 3d 3d 3d 0a 0a 5a  |.============..Z|
00000130  61 70 4d 4a 45 20 70 72  6f 76 69 64 65 73 20 73  |apMJE provides s|
00000140  65 76 65 72 61 6c 20 6e  65 77 20 6d 6f 64 65 73  |everal new modes|
00000150  20 61 6e 64 20 76 61 72  69 6f 75 73 20 6f 74 68  | and various oth|
00000160  65 72 20 65 78 74 65 6e  73 69 6f 6e 73 20 66 6f  |er extensions fo|
00000170  72 20 74 68 65 20 5a 61  70 0a 74 65 78 74 20 65  |r the Zap.text e|
00000180  64 69 74 6f 72 2e 20 49  6e 20 62 72 69 65 66 2c  |ditor. In brief,|
00000190  20 74 68 65 73 65 20 61  72 65 3a 0a 0a 20 20 8f  | these are:..  .|
000001a0  20 43 2c 20 41 63 6f 72  6e 20 41 73 73 65 6d 62  | C, Acorn Assemb|
000001b0  6c 65 72 20 61 6e 64 20  50 61 73 63 61 6c 20 73  |ler and Pascal s|
000001c0  6f 75 72 63 65 20 65 64  69 74 69 6e 67 20 6d 6f  |ource editing mo|
000001d0  64 65 73 0a 20 20 8f 20  43 6f 6c 6f 75 72 2c 20  |des.  . Colour, |
000001e0  63 6f 6d 70 69 6c 61 74  69 6f 6e 2c 20 69 6e 64  |compilation, ind|
000001f0  65 6e 74 69 6e 67 2c 20  62 72 61 63 6b 65 74 20  |enting, bracket |
00000200  6d 61 74 63 68 69 6e 67  2c 20 66 75 6e 63 74 69  |matching, functi|
00000210  6f 6e 20 62 72 6f 77 73  65 72 73 2c 0a 20 20 20  |on browsers,.   |
00000220  20 6e 65 78 74 2f 6c 61  73 74 20 66 75 6e 63 74  | next/last funct|
00000230  69 6f 6e 2c 20 73 77 61  70 20 74 6f 20 68 65 61  |ion, swap to hea|
00000240  64 65 72 2c 20 73 74 72  69 70 20 73 70 61 63 65  |der, strip space|
00000250  73 20 61 74 20 65 6e 64  20 6f 66 20 6c 69 6e 65  |s at end of line|
00000260  73 20 6f 6e 20 73 61 76  65 2c 0a 20 20 20 20 69  |s on save,.    i|
00000270  6d 70 72 6f 76 65 64 20  73 68 69 66 74 2d 6c 65  |mproved shift-le|
00000280  66 74 20 61 6e 64 20 72  69 67 68 74 20 61 72 72  |ft and right arr|
00000290  6f 77 20 28 70 72 65 76  69 6f 75 73 20 61 6e 64  |ow (previous and|
000002a0  20 6e 65 78 74 20 77 6f  72 64 29 2c 20 74 61 62  | next word), tab|
000002b0  20 74 79 70 65 20 0a 20  20 20 20 6d 6f 64 65 20  | type .    mode |
000002c0  73 70 65 63 69 66 69 63  2c 20 61 6e 64 20 76 61  |specific, and va|
000002d0  72 69 6f 75 73 20 63 6f  6d 6d 65 6e 74 69 6e 67  |rious commenting|
000002e0  20 66 65 61 74 75 72 65  73 20 66 6f 72 20 74 68  | features for th|
000002f0  65 20 6e 65 77 20 6d 6f  64 65 73 0a 20 20 20 20  |e new modes.    |
00000300  28 6e 6f 74 20 61 6c 6c  20 66 65 61 74 75 72 65  |(not all feature|
00000310  73 20 69 6e 20 61 6c 6c  20 6d 6f 64 65 73 29 0a  |s in all modes).|
00000320  20 20 8f 20 53 75 70 70  6f 72 74 20 66 6f 72 20  |  . Support for |
00000330  75 73 69 6e 67 20 53 74  72 6f 6e 67 48 65 6c 70  |using StrongHelp|
00000340  20 64 69 72 65 63 74 6c  79 0a 20 20 8f 20 41 20  | directly.  . A |
00000350  63 6f 6d 6d 61 6e 64 20  74 6f 20 65 6e 61 62 6c  |command to enabl|
00000360  65 20 6b 65 79 73 20 74  6f 20 68 61 76 65 20 64  |e keys to have d|
00000370  69 66 66 65 72 65 6e 74  20 62 69 6e 64 69 6e 67  |ifferent binding|
00000380  73 20 66 6f 72 20 64 69  66 66 65 72 65 6e 74 20  |s for different |
00000390  6d 6f 64 65 73 0a 20 20  8f 20 41 20 63 6f 6d 6d  |modes.  . A comm|
000003a0  61 6e 64 20 74 6f 20 61  6c 74 65 72 20 74 68 65  |and to alter the|
000003b0  20 63 75 72 72 65 6e 74  20 73 65 6c 65 63 74 69  | current selecti|
000003c0  6f 6e 20 28 74 68 65 20  73 61 6d 65 20 61 73 20  |on (the same as |
000003d0  45 64 69 74 27 73 20 46  36 29 0a 0a 0a 0a 4d 6f  |Edit's F6)....Mo|
000003e0  64 65 20 73 70 65 63 69  66 69 63 20 66 65 61 74  |de specific feat|
000003f0  75 72 65 73 0a 3d 3d 3d  3d 20 3d 3d 3d 3d 3d 3d  |ures.==== ======|
00000400  3d 3d 20 3d 3d 3d 3d 3d  3d 3d 3d 0a 0a 43 6f 6c  |== ========..Col|
00000410  6f 75 72 0a 2d 2d 2d 2d  2d 2d 0a 0a 54 68 69 73  |our.------..This|
00000420  20 69 73 20 63 75 72 72  65 6e 74 6c 79 20 61 76  | is currently av|
00000430  61 69 6c 61 62 6c 65 20  69 6e 20 74 68 65 20 43  |ailable in the C|
00000440  20 61 6e 64 20 61 73 73  65 6d 62 6c 65 72 20 6d  | and assembler m|
00000450  6f 64 65 73 2e 20 50 61  73 63 61 6c 20 77 69 6c  |odes. Pascal wil|
00000460  6c 20 62 65 0a 69 6d 70  6c 65 6d 65 6e 74 65 64  |l be.implemented|
00000470  20 6f 6e 65 20 64 61 79  20 28 77 68 65 6e 20 73  | one day (when s|
00000480  6f 6d 65 6f 6e 65 20 68  61 73 20 74 6f 6c 64 20  |omeone has told |
00000490  6d 65 20 6f 72 20 49 20  68 61 76 65 20 66 69 67  |me or I have fig|
000004a0  75 72 65 64 20 6f 75 74  20 74 68 65 0a 70 72 65  |ured out the.pre|
000004b0  63 69 73 65 20 73 79 6e  74 61 78 29 2e 20 46 6f  |cise syntax). Fo|
000004c0  72 20 43 2c 20 74 68 65  20 63 6f 6c 6f 75 72 73  |r C, the colours|
000004d0  20 61 72 65 20 61 73 20  66 6f 6c 6c 6f 77 73 3a  | are as follows:|
000004e0  0a 0a 20 20 46 6f 72 65  67 72 6f 75 6e 64 20 20  |..  Foreground  |
000004f0  3a 20 55 73 65 64 20 66  6f 72 20 61 6e 79 74 68  |: Used for anyth|
00000500  69 6e 67 20 77 68 69 63  68 20 64 6f 65 73 6e 27  |ing which doesn'|
00000510  74 20 63 6c 61 73 73 69  66 79 20 62 65 6c 6f 77  |t classify below|
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00003940  73 65 71 75 65 6e 63 65  3a 0a 0a 43 4c 45 46 54  |sequence:..CLEFT|
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00003960  49 47 48 54 3a 44 4f 57  4e 3a 43 4c 45 46 54 3a  |IGHT:DOWN:CLEFT:|
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00003980  43 6f 70 79 72 69 67 68  74 0a 3d 3d 3d 3d 3d 3d  |Copyright.======|
00003990  3d 3d 3d 0a 0a 54 68 65  20 63 6f 6e 64 69 74 69  |===..The conditi|
000039a0  6f 6e 73 20 6f 66 20 63  6f 70 79 69 6e 67 20 74  |ons of copying t|
000039b0  68 69 73 20 70 72 6f 67  72 61 6d 20 61 6e 64 20  |his program and |
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000039d0  6f 63 75 6d 65 6e 74 61  74 69 6f 6e 20 61 72 65  |ocumentation are|
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000039f0  73 65 20 6f 66 20 74 68  65 20 6d 61 69 6e 20 5a  |se of the main Z|
00003a00  61 70 20 61 70 70 6c 69  63 61 74 69 6f 6e 2c 20  |ap application, |
00003a10  65 78 63 65 70 74 20 79  6f 75 20 64 6f 20 6e 6f  |except you do no|
00003a20  74 20 6e 65 65 64 20 6d  79 0a 70 65 72 6d 69 73  |t need my.permis|
00003a30  69 6f 6e 20 74 6f 20 63  6f 70 79 20 69 74 20 69  |ion to copy it i|
00003a40  66 20 79 6f 75 20 68 61  76 65 20 44 6f 6d 69 6e  |f you have Domin|
00003a50  69 63 27 73 2e 0a 0a 54  68 69 73 20 73 6f 66 74  |ic's...This soft|
00003a60  77 61 72 65 20 69 73 20  70 72 6f 76 69 64 65 64  |ware is provided|
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00003a80  61 72 72 61 6e 74 79 20  61 73 20 74 6f 20 69 74  |arranty as to it|
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00003ae0  65 6e 20 49 20 77 61 6e  74 20 74 6f 0a 6b 6e 6f  |en I want to.kno|
00003af0  77 20 73 6f 20 49 20 63  61 6e 20 66 69 78 20 69  |w so I can fix i|
00003b00  74 2c 20 62 75 74 20 49  27 6d 20 6e 6f 74 20 74  |t, but I'm not t|
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00003b50  65 20 73 69 6e 63 65 20  49 27 76 65 20 67 6f 74  |e since I've got|
00003b60  20 6e 6f 20 6d 6f 6e 65  79 2e 29 0a 0a 4e 6f 6e  | no money.)..Non|
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00003b80  73 20 6f 66 20 74 68 69  73 20 6d 6f 64 75 6c 65  |s of this module|
00003b90  20 28 69 64 65 6e 74 69  66 79 20 74 68 65 6d 73  | (identify thems|
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00003bb0  72 73 69 6f 6e 73 20 6f  6e 0a 2a 48 65 6c 70 20  |rsions on.*Help |
00003bc0  5a 61 70 4d 4a 45 29 20  61 72 65 20 2a 4e 4f 54  |ZapMJE) are *NOT|
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00003bf0  73 73 20 70 65 72 6d 69  73 73 69 6f 6e 2e 20 54  |ss permission. T|
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00003c10  65 20 6c 69 6b 65 6c 79  20 74 6f 20 66 61 6c 6c  |e likely to fall|
00003c20  20 6f 76 65 72 2e 20 3b  2d 29 0a 0a 50 6c 65 61  | over. ;-)..Plea|
00003c30  73 65 20 6e 6f 74 65 20  74 68 61 74 20 49 20 72  |se note that I r|
00003c40  65 73 65 72 76 65 20 74  68 65 20 72 69 67 68 74  |eserve the right|
00003c50  20 74 6f 20 6d 61 6b 65  20 61 6c 74 65 72 61 74  | to make alterat|
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00003cc0  6e 79 20 77 61 79 0a 49  20 73 65 65 20 66 69 74  |ny way.I see fit|
00003cd0  2e 20 48 6f 70 65 66 75  6c 6c 79 20 69 74 20 77  |. Hopefully it w|
00003ce0  69 6c 6c 20 62 65 20 61  6e 20 69 6d 70 72 6f 76  |ill be an improv|
00003cf0  65 6d 65 6e 74 2e 0a 0a  0a 41 63 6b 6e 6f 77 6c  |ement....Acknowl|
00003d00  65 64 67 65 6d 65 6e 74  73 0a 3d 3d 3d 3d 3d 3d  |edgements.======|
00003d10  3d 3d 3d 3d 3d 3d 3d 3d  3d 3d 0a 0a 54 68 61 6e  |==========..Than|
00003d20  6b 73 20 74 6f 20 44 6f  6d 69 6e 69 63 20 66 6f  |ks to Dominic fo|
00003d30  72 20 77 72 69 74 69 6e  67 20 5a 61 70 20 61 6e  |r writing Zap an|
00003d40  64 20 6e 6f 74 20 65 76  65 6e 20 63 68 61 72 67  |d not even charg|
00003d50  69 6e 67 20 66 6f 72 20  69 74 21 20 28 54 68 6f  |ing for it! (Tho|
00003d60  75 67 68 20 68 65 27 73  0a 70 61 72 74 6c 79 20  |ugh he's.partly |
00003d70  72 65 73 70 6f 6e 73 69  62 6c 65 20 66 6f 72 20  |responsible for |
00003d80  61 20 72 61 74 68 65 72  20 6c 61 72 67 65 20 61  |a rather large a|
00003d90  6d 6f 75 6e 74 20 6f 66  20 64 61 6d 61 67 65 20  |mount of damage |
00003da0  74 6f 20 6d 79 20 27 70  68 6f 6e 65 20 62 69 6c  |to my 'phone bil|
00003db0  6c 2e 0a 3a 2d 28 29 0a  0a 54 68 61 6e 6b 73 20  |l..:-()..Thanks |
00003dc0  74 6f 20 42 72 69 61 6e  20 53 63 61 74 74 65 72  |to Brian Scatter|
00003dd0  67 6f 6f 64 20 66 6f 72  20 77 72 69 74 69 6e 67  |good for writing|
00003de0  20 68 69 73 20 43 6d 6f  64 65 20 77 68 69 63 68  | his Cmode which|
00003df0  20 74 68 69 73 20 6f 72  69 67 69 6e 61 6c 6c 79  | this originally|
00003e00  20 63 61 6d 65 0a 66 72  6f 6d 20 2d 20 69 74 20  | came.from - it |
00003e10  6d 61 64 65 20 69 6e 69  74 69 61 6c 20 64 65 76  |made initial dev|
00003e20  65 6c 6f 70 6d 65 6e 74  20 61 20 6c 6f 74 20 65  |elopment a lot e|
00003e30  61 73 69 65 72 20 28 61  6c 74 68 6f 75 67 68 20  |asier (although |
00003e40  49 20 64 69 64 20 68 61  76 65 20 74 6f 20 68 61  |I did have to ha|
00003e50  63 6b 0a 69 74 20 66 69  72 73 74 20 3a 2d 5d 29  |ck.it first :-])|
00003e60  2e 20 54 68 65 72 65 27  73 20 65 76 65 6e 20 73  |. There's even s|
00003e70  6f 6d 65 20 6f 72 69 67  69 6e 61 6c 20 28 73 6c  |ome original (sl|
00003e80  69 67 68 74 6c 79 20 6d  6f 64 69 66 69 65 64 29  |ightly modified)|
00003e90  20 63 6f 64 65 20 6c 65  66 74 21 0a 28 4d 6f 73  | code left!.(Mos|
00003ea0  74 20 6f 66 20 74 68 65  20 73 74 75 66 66 20 77  |t of the stuff w|
00003eb0  68 69 63 68 20 69 73 20  43 20 6d 6f 64 65 20 6f  |hich is C mode o|
00003ec0  6e 6c 79 2e 29 20 54 68  69 73 20 77 69 6c 6c 20  |nly.) This will |
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00003f10  20 73 6f 6f 6e 65 72 20  6f 72 20 6c 61 74 65 72  | sooner or later|
00003f20  2e 20 3a 2d 28 0a 0a 54  68 61 6e 6b 73 20 74 6f  |. :-(..Thanks to|
00003f30  20 4d 65 72 63 75 72 79  20 66 6f 72 20 6e 6f 74  | Mercury for not|
00003f40  20 63 68 61 72 67 69 6e  67 20 71 75 69 74 65 20  | charging quite |
00003f50  61 73 20 6d 75 63 68 20  61 73 20 42 54 2e 20 28  |as much as BT. (|
00003f60  49 74 20 6d 65 61 6e 73  20 49 27 6d 20 6a 75 73  |It means I'm jus|
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00003ff0  2e 29 0a 0a 0a 43 6f 6e  74 61 63 74 69 6e 67 0a  |.)...Contacting.|
00004000  3d 3d 3d 3d 3d 3d 3d 3d  3d 3d 0a 0a 49 20 63 61  |==========..I ca|
00004010  6e 20 62 65 20 63 6f 6e  74 61 63 74 65 64 20 74  |n be contacted t|
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00004030  6d 6a 65 40 73 6f 74 6f  6e 2e 61 63 2e 75 6b 20  |mje@soton.ac.uk |
00004040  61 6c 6c 20 79 65 61 72  20 72 6f 75 6e 64 20 28  |all year round (|
00004050  66 61 73 74 65 72 0a 72  65 73 70 6f 6e 73 65 20  |faster.response |
00004060  74 69 6d 65 20 64 75 72  69 6e 67 20 74 65 72 6d  |time during term|
00004070  29 2e 20 41 6c 74 65 72  6e 61 74 69 76 65 6c 79  |). Alternatively|
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00004090  61 6c 76 65 72 6e 20 52  6f 61 64 0a 41 63 6f 63  |alvern Road.Acoc|
000040a0  6b 73 20 47 72 65 65 6e  0a 42 69 72 6d 69 6e 67  |ks Green.Birming|
000040b0  68 61 6d 0a 42 32 37 20  36 45 47 0a 0a 50 6c 65  |ham.B27 6EG..Ple|
000040c0  61 73 65 20 6c 65 74 20  6d 65 20 6b 6e 6f 77 20  |ase let me know |
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000040e0  6e 64 6f 63 75 6d 65 6e  74 65 64 20 66 65 61 74  |ndocumented feat|
000040f0  75 72 65 73 20 69 66 20  79 6f 75 20 65 76 65 72  |ures if you ever|
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00004130  74 68 65 20 66 69 6c 65  20 2d 20 74 68 61 74 27  |the file - that'|
00004140  73 20 74 68 65 20 68 61  72 64 20 62 69 74 21 29  |s the hard bit!)|
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00004430  65 73 0a 3d 3d 3d 3d 3d  20 3d 3d 3d 20 3d 3d 3d  |es.===== === ===|
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00004770  74 68 65 20 66 75 6e 63  74 69 6f 6e 20 66 69 6e  |the function fin|
00004780  64 69 6e 67 0a 20 20 8f  20 54 68 65 72 65 20 61  |ding.  . There a|
00004790  72 65 20 70 72 6f 62 6c  65 6d 73 20 77 69 74 68  |re problems with|
000047a0  20 74 68 65 20 63 6f 6c  6f 75 72 69 6e 67 20 6f  | the colouring o|
000047b0  6e 20 63 6f 6e 73 74 72  75 63 74 73 20 73 75 63  |n constructs suc|
000047c0  68 20 61 73 3a 0a 20 20  20 20 31 29 20 5f 6b 65  |h as:.    1) _ke|
000047d0  72 6e 65 6c 5f 6f 73 65  72 72 6f 72 20 28 66 6f  |rnel_oserror (fo|
000047e0  6f 29 20 28 29 3b 0a 20  20 20 20 32 29 20 77 69  |o) ();.    2) wi|
000047f0  62 62 6c 65 0a 20 20 20  20 20 20 20 23 64 65 66  |bble.       #def|
00004800  69 6e 65 20 77 6f 62 62  6c 65 0a 20 20 20 20 20  |ine wobble.     |
00004810  20 20 28 76 6f 69 64 29  0a 0a 50 61 73 63 61 6c  |  (void)..Pascal|
00004820  3a 0a 0a 20 20 8f 20 46  75 6e 63 74 69 6f 6e 20  |:..  . Function |
00004830  66 69 6e 64 69 6e 67 20  63 68 65 61 74 73 20 28  |finding cheats (|
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00004850  0a 4d 69 73 63 65 6c 6c  61 6e 65 6f 75 73 3a 0a  |.Miscellaneous:.|
00004860  0a 20 20 8f 20 54 68 69  73 20 69 73 20 5a 61 70  |.  . This is Zap|
00004870  27 73 20 66 61 75 6c 74  2c 20 62 75 74 20 73 77  |'s fault, but sw|
00004880  61 70 20 74 6f 20 68 65  61 64 65 72 20 64 6f 65  |ap to header doe|
00004890  73 6e 27 74 20 6c 6f 61  64 20 66 69 6c 65 20 69  |sn't load file i|
000048a0  6e 74 6f 20 63 6f 72 72  65 63 74 0a 20 20 20 20  |nto correct.    |
000048b0  6d 6f 64 65                                       |mode|
000048b4