!AWJune94/Goodies/Zap/!Help

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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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*****************************************************************************
* >!Help file for !Zap version 1.10					    *
* Copyright Dominic Symes 1992/1993/1994. See 'Copyright' file.      	    *
* NB This program needs the COLOURS module to run. It is in !System.Modules *
*   on Acorn's Application disc 1. If in doubt, double click on !System.    *
*****************************************************************************

This is the 5th release version of the text editor !Zap.

Main features:* Display may be in text, byte or disassembly format.
* All key short cuts are user redefinable.
* Automatic updating line numbers & file addresses.
* Full (unix style) wildcard search with your own definable
  macros and search 'throwback' buffers.
* Proper unix tabs and true scrollbar operation.
* Full undo on all operations.
* COPY key causes standard cursor editing.
* Fast redraw in system or anti-aliased fonts.
* Any number of markers on each file, and a facility for
  following branches in disassembly mode.
* Full ARMBE style BASIC Editor.
* Search as you type with minibuffer.
* Learns keys sequences.
* Emacs style Yank (Cut & Paste) and !Edit style move and
  copy implemented.
* C throwback/info supported.
* Reads disc sectors/tracks and memory of other tasks.
* Keyboard selection of regions.
* Taskwindow supports control characters / line-editor.
* Emacs compatible keymap.
* Auto indent.
* Can edit assembler instructions when in code mode.
* Tested on Risc Os 2 and 3.

*************************************************************************
* Important:*
*************************************************************************

(1)If you find this help file too technical, then please look in the
ZapPrimer directory. This contains a 'beginners manual', aimed at
those used to !Edit. Thanks to David Holden for writing this.

(2)This file does NOT contain help on the menu items and dialogue
boxes. See the Helpdata file or run the !Help application to
find out about these.

(3)The 3rdParty extension modes each have their own help file in the
3rdParty directory.

(4)If you are changing versions of Zap then please read the 'Changes'
file first!

*************************************************************************
* Contents:                                                             *
*************************************************************************

Section AKeys and options.
A.1 Summary of default key actions.
A.2 How to (re)define more keys.
A.3 How to change Zap's default options.
A.4 Differences RISCOS 2/3.
A.5 Multiple keymaps / the Emacs keymap.
A.6 Colour and changing the default colours.

Section BLoading/saving/printing/editing files
B.1 Loading files/creating files.
B.2 Saving files.
B.3 Dumping/printing files.
B.4 Selecting regions.
B.5 Copying/cutting/pasting/yanking.
B.6 Inserting text/control codes

Section CEditing BASIC - PLEASE READ
C.1 How to change editors/options.
C.2 Using BASIC in ARMBE mode.
C.3 Testing BASIC programs.

Section DIndividual mode help.
D.0 Text mode
D.1 Byte mode .. etc ..

Section ESearch and Replace.
E.1 The Search window.
E.2 The Replace window.
E.3 Keyboard (incremental) search.

Section FOther features.
F.1 Learning key sequences - very useful.
F.2 Tabs and indenting.
F.3 Fonts and font sizes.
F.4 Universal arguments.
F.5 The minibuffer

Section GHow to find out more.
G.1 Other help files - MENU help.
G.2 Obtaining future versions of Zap.
G.3 Contacting me with suggestions/bugs.

*************************************************************************
* Section A:Keys and options.*
*************************************************************************

A.1 Default key actions
-----------------------

When Zap is loaded, it reads in the 'keys' file, and uses this to create the
current key bindings. Many other options are also stored in this file. See
section A.3 for more details. Each key mentioned in the 'keys' file has a
command name following it. By editing the file and moving the command names
about, you can change the action of any key. See section A.2 for more details
(the format of a 'keys' file entry and how to define multiple keymaps).

Please note that the key short cuts given in the menus are automatically
updated to reflect your new choice of keys (for whatever you have set as the
default keymap). A summary of the default key bindings is given below.
(s=Shift c=Ctrl sc=Shift+Ctrl).

Key:Command:Action:

ReturnRETURNSplits line / inserts new line in line edit
mode. Also indents in auto-indent mode.
Edits an instruction in code mode.
sReturnRETURNAs above.
cReturnRETURNNOINDENTAs RETURN except doesn't auto-indent.

DeleteDELETEDelete last character.
sDeleteDELETENEXTDelete next character.
cDeleteDELLINEDelete current line.
scDeleteDELTOENDDelete to end of line.

TabTABInserts a variety of tabs - see tab menu.
sTabSWITCHTABSwitches between Unix and !Edit tab modes.
cTab-Reserved for !Larger/!Menon users.
(!Larger - Virtual desktop with many extra
features. 10 pounds from Robin Watts/Warm
Silence Software 0865-54382).

Escape   ESCAPEStops copy modes/selection modes/search
as you type mode/yank mode.
sEscape   CANCELCancel operation and return to start posn.
cEscapeCOMMANDBrings up a minibuffer in which you can type
any Zap command. Equivalent of Emacs M-X.

<-|DELETEDelete last character.
s<-|LASTMARKJump to last marker
c<-|FASTUNDOUndo last operation.

CopyCOPYInitiates split cursor copying. Move cursor
with cursor keys and use COPY key to copy.
Note that you may copy from one window to
another by pressing SELECT on the other.
sCopyCOPYFor those who wish to redefine Copy to be
DELETENEXT. Copy key still ok in copy mode.
cCopySELREGIONStarts selection of a region via cursor keys.
Press Escape/cCopy to end the selection.
scCopyDUMPFILEProduce text version of the display.

InsertTOGGLEINSERTToggle insert and overwrite modes.

PrintQUICKPRINTSend file directly to printer.
sPrintPRINTFILEPrint file through printer driver.
cPrintOPENPRINTEROpen 'printer:$' filer window.
scPrintCLOSEPRINTERClose 'printer:$' filer window.

Space barCHAR &20Inserts a space.
sSpaceCHAR &20As above.
cSpaceTOGGLEMARKEmacs compatible.

Cursor keys:

Left        LEFTMoves 1 left / goto last mark in code mode.
RightRIGHTMoves 1 right / goto address in code mode.
DownDOWNMove 1 line down.
UpUPMove 1 line up.
sLeft  SLEFTMove back one word.
sRightSRIGHTMove forward one word.
sDown/PageDownSDOWNMove down a page.
sUp/PageUp    SUPMove up a page.
cLeftCLEFTMove to start of logical line.
cRightCRIGHTMove to end of logical line.
cDownCDOWNMove to end of text (and leave marker).
cUpCUPMove to start of text (and leave marker).
scLeftSCLEFTMove to the left without moving cursor.
scRightSCRIGHTMove to the right without moving cursor.
scDownSCDOWNMove down without moving cursor.
scUpSCUPMove up without moving cursor.

Function keys:

F1EXECUTEExecute learnt key sequence (see F.1).
F2FINDFILELoad a named file (Emacs C-X C-F).
F3SAVEBrings up save box. See save box help.
F4SEARCHCURBrings up Search by Goto box. (See E.1).
F5 GOTOBrings up Goto line/address box.
F6 TOGGLEMARKInserts marker in text/deletes marker.
F7SEARCHBUFBrings up Search to buffer box. (See E.1)
F8FULLUNDOFull undo (takes longest path in undo tree).
F9REDORedo (undo last undo whether full or fast).
F10DELLINEDelete current line.

sF1SPLITLINESplit line (useful in Basic mode).
sF2SWAPWINDOWSwap window (to next window/last used).
sF3HEXASCIIToggles hex entry mode when byte/word modes.
sF4REPLACEBrings up search and replace box. (See E.2).
sF5HELPBrings up this help text.
sF6LASTMARKLast mark (eg after ctrl-down by mistake).
sF7NEXTMATCHNext match (after an F4 or F7 search).
sF8RENUMBERRenumbers a BASIC file.
sF9NEXTMARKJump to next set marker.
sF10DELTOSTARTDelete to start of line.

cF1JOINLINEJoin line (useful in Basic mode).
cF2CLOSEWINDOWClose current window (and jump to next).
cF3QUICKSAVESave the file with no prompt.
cF4NEWVIEWNew view (open new window on this file).
cF5WORDWRAPToggle wordwrap mode (w in title).
cF6FORMATTEXTFormat text to start of next paragraph.
cF7LASTMATCHPrevious match (see sF7).
cF8BINDTOKEYBind learnt sequence to a key.
cF9SAVESELOpen the 'save selection' window.
cF10DELTOENDDelete to end of line (emacs style ctrl K).

scF1MODE0Text mode   (display in text format)
scF2MODE1Byte mode   (display in hex bytes)
scF3MODE2Word mode   (display in hex words)
scF4MODE3Ascii mode  (display in characters)
scF5MODE4Code mode   (display in disassembled code)
scF6MODE5BASIC mode  (display tokenised Basic)
scF7MODE6BASTXT mode (display detokenised Basic)
scF8MODE7C mode      (bracket matching + fn listing)
scF9MODE8Colour C mode.
scF10MODE9Colour Acorn assembler mode.

Ctrl letters:

cACLEFTStart of line   - emacs compatibility.
cBLEFTBack a char     - emacs compatibility.
cC COPYSELCopy selected region to current position.
cDDELETENEXTDelete next char- emacs compatibility.
cECRIGHTLine end- emacs compatibility.
cFRIGHTForward a char  - emacs compatibility.
cGCANCELCancel search 'as you type' and return to
start. Also cancel any yank operations.
Escape from minibuffer.
cHOUTDENTOutdent selection by current indent string.
cIINDIRECTIndirect (move to the address given by word
at cursor - useful in Code mode).
cJINDENTIndent selection by string (see selection
menu).
cKDELTOENDKill line- emacs compatibility.
cLLEARNLearn key sequence (see F.1).
cMRETURNPerforms return action for current mode.
cNDOWNNext line- emacs compatibility.
cOTOFRONTBring editor window to front of windows.
cPUPPrevious line- emacs compatibility.
cQQUOTEInsert next character into text (even if it
is a ctrl character. eg cQ,cA inserts #1).
cRSEARCHBACKReverse search 'as you type'.
cSSEARCHFORWARDSearch 'as you type' forwards.
cTSELECTBUFFERSelect entire buffer.
cUUNIVERSALARGPerform next instruction 'n' times. Eg
cU 4 RETURN A inserts 4 A's.
cVMOVESELMove selected region to current position.
cWSETWIDTHSet the window width.
cXCUTDelete/Cut selected region.
cYPASTEPaste/Yank once selected region.
cZCLEARSELClear selection.

scAADDRESSESAddresses shown at line start.
scBBASICDrop into Basic with program downloaded.
scCCOMPILESaves then chains/compiles a program.
scDINSERTDATEInsert current date (format in 'keys' file).
scESAVEANDRUNSaves then runs a program then exits.
scFRUNANDEXITRuns a program and then exits.
scGTOGGLEWINDToggle window size.
scHLISTFNSList function definitions.
scINEXTTRACKMove forward one track.
scJLASTSECTORMove back one sector.
scKNEXTSECTORMove forward one sector.
scLLOGICALLogical line numbers shown at line start.
scMLASTTRACKMove back one track.
scNNOLINENOSRemoves line numbers/addresses.
scOTOGGLEHEXLine numbers shown in hex/decimal.
scPPHYSICALPhysical line numbers shown at line start.
scQSWAPCHARSSwap next two characters around.
scRREADONLYToggle read only state (r in title).
scSSWAPCASESwap case of next character/selected region.
scTINSERTTIMEInsert current time (format in 'Keys' file).
scURUNRun a basic program from memory.
scV-Reserved.
scWKEEPREGIONPut selected region into yank buffer.
scXCLOSEOTHERClose other open window.
scYYANKYank cyclically through deleted regions.
scZKEYMAP 1Emacs prefix key (eg scZ ESC X).
sc- (c_)FULLUNDOUndo - emacs compatibility.

A.2 How to redefine more keys
-----------------------------

At the start of the 'keys' file, the keys for keymap 0 (the default key map)
are defined. Each line is of the form "comment &xxx command" where 'comment'
is any text without a '&' describing the key, 'xxx' is the number of the key
in hexadecimal (Zap key number - see below), ' ' is any number of spaces and
tabs, and 'command' is the command (or list of commands) to be attached to
that key. You may edit the file to add/remove keys as you please.  If a key
is not mentioned in the keys file then it is passed on to the next task. Thus
DO NOT put F12 in the 'keys' file (or if you do then bind it to the command
SUSPEND :-).

A list of the valid commands you can use and their actions is given in the
file 'Commands' within the 'Docs' directory. This also gives full details of
the syntax used. To summarise these details, string parameters must be in
double quotes (or omitted if you wish the minibuffer to be opened), and
commands can be strung together with the ':' separator (as in BASIC).

The Zap key numbers lie in the range &000-&1FF and are based on those
returned by Wimp_Poll. Thus, the function keys return &180-&1FF, as
documented in the PRMs. Just look at the 'keys' file if you don't have a copy
of the PRMs. Standard characters return their ascii value &20-&FF as usual.
&7F stands for unshifted DELETE. Internally Zap uses some extra codes in the
range &00-&1F and &100-&17F which differ from the Wimp's. These are
documented in the file E-Keycodes in the docs directory.

Example: Suppose you wished ctrl-] to enter the code &1D into the file. Then
you would enter the line: "c]        &12D CHAR &1D".

The keys c0-c9 and sc0-sc9 have been left intentionally blank. I suggest
these are used for user commands/macros or binding the learnt sequence to via
cF8. See the section A.5 on how to define multiple keymaps and switch between
them.

A.3 Changing the default options
--------------------------------

The Zap menu you get when you click the MENU button on a window contains the
status for that window only. Any options changed on this menu will be lost
immediately the window is closed. To change any option permanently, use the
'options' menu obtained by clicking on the Zap icon on the iconbar. After you
have changed the option on this menu click the 'save options' entry.

Please note that some options are stored MODE dependantly. To change these
options it is first necessary to SWITCH TO THE MODE WHOSE OPTIONS YOU WANT TO
CHANGE ON THE OPTIONS.MODE MENU. The options you need to do this for include:
1) Display width.
2) Line number status.
3) Auto indent status.
4) Line edit/Non standard edit status.
5) Hex entry and Overwrite status.
6) Tab display status.
7) Colours.

When you change mode, the other options menus will be updated to give the
status of the flags for this mode.

Example: To turn the line numbers off in Basic editing mode use the sequence
of clicks:

zap.options.mode.basic
zap.options.display.linenumbers.none
zap.options.mode.text

The mode set on the 'Options.Mode' menu will also be the mode used for
loading files whose type is not recognised, or when you hold down the CTRL
key. In general you should always put this mode back to TEXT after changing
options of other modes.

Other options that are saved by clicking Save Settings include:
1) Whether searches are case sensitive or not.
2) Whether quick print adds a title header or not.

To change the default display width for mode n, use the options.mode.width
menus. To change the size of an opened window for mode n, create a template
in the template file called mode_n. The size and position of this template
determines the opening size and position (modulo stacking) of your window.
The other template flags are not looked at.

Some other options are stored in the 'keys' file. The file entries are in the
form: "<comment> &xxx <arg1> <arg2> ... <argn>" where 'xxx' is a number I
will call the key variable number. The variable numbers in the keys file are
documented below:

 &000-&1FFThe default keymap.
 arg1=the command attached to that key code.

 &200-&20FThese give the 16 search macros.
 arg1=the macro string (up to 3 chars)
 arg2=the replacement string.
 &300The date format to use for scD.
 arg1=format string as used by the SWI OS_ConvertDateAndTime
 &301The time format to use for scT.
 arg1=format string as used by the SWI OS_ConvertDateAndTime
 &302The default font name to use in font display modes.
 &303The number of blank lines to leave at the end of a window.
 &304The default font size in points.
 &305The number of pixels to shave off the top of a font char.
 &306The number of pixels to shave off the bottom of a font char.
 &307The codes to send to the printer at the end of a line for
 'quick print'. arg1=string to be GS transed.
 &308Number of characters to keep cursor from the left margin.
 &309Number of characters to keep cursor from the right margin.
 &30ANumber of characters to keep cursor from the top.
 &30BNumber of characters to keep cursor from the bottom.
 &30DRight hand margin in pixels.
 &30EFiletype of file to be created when SELECT clicked on
 the iconbar.
 &30FFiletype of file to be created when ADJUST clicked on
 the iconbar.
 &310The number of pixels to shave off the left of a font char.
 &311The number of pixels to shave off the right of a font char.
 &314The minibuffer size in characters.
 &315The default indent string.
 &316Flashing cursor on period in centiseconds.
 &317Flashing cursor off period in centiseconds.
 
 &400The number of the default key map (usually 0).
 &4xx (xx<>0)Range of keymap xx (see A.5)
 arg1=smallest Zap keynumber to be supported
 arg2=largest Zap keynumber to be supported (inclusive)
 
 &5xxThese say which mode to load a file on dependent on the path.
 arg1=filetype to match (-1 for match any)
arg2=filename to match - the string can contain any of
     the wildcards documented under searching.
arg3=[+]<mode name> as for arg1 in the 1xxx's below.
NB The order in which the names appear is important - the
first match will be taken.

 &1xxxThese specify which of the Zap modes a file of filetype xxx
 should be loaded in as (when CTRL not pressed).
 arg1=[+]<mode name>
 If the optional '+' is present then the file will be loaded
 even if SHIFT is not held when you double click.
 The mode name is CASE SENSITIVE.
 Place the &1xxx variable before the &5xx ones if you want
 the filetype to be checked before the pathname.
 
 &2000As for &1xxx, but the mode to use for UNTYPED files.
 
 &10000+These specify alternate keymaps (see A.5).
 &y0xxxarg1=the command to be mapped to key with code &xxx in
 keymap number &y.

A.4 Differences with RISCOS 2/3
-------------------------------

If using fonts, then Zap will need the outline font manager vsn 2.42. This is
used by Impression and other DTP programs. If using task windows, then Zap
will expect to find the module 'Task' in the System:Modules directory. This
should be the Task module supplied with DDE. Of course ^F12 will not bring up
the taskwindow on Risc Os 2. I'm sorry about this, but it's a lot of hassle
for me to find a Risc Os 2 machine to work on. You can always map ^F12 to the
command TASKWINDOW.

Please note that only left shift double click will load a non text file.
Right shift is deliberately not tested for as some people use it for other
things. I have no control over this on Risc Os 3.

Another set of templates has been provided for Risc Os 3 users. These are
called TemplatesE and I must thank Martin Ebourne for allowing me to
include them.

A.5 Multiple keymaps / the Emacs keymap.
----------------------------------------

Zap can support several keymaps at once. Each keymap is numbered 0-255.
In the default 'keys' file, keymap 0 is the standard Zap keymap and keymap 1
an Emacs emulation keymap. Keymaps 2-4 form part of the Emacs keymap as I
will describe below. To switch to keymap n, use the command "BASEMAP n" (by
pressing Ctrl-Escape or binding the command to a key). The commands
DEFAULTMAP and EMACS act as BASEMAP 0 and BASEMAP 1 respectively.

The default keymap to use when Zap starts up is given by variable number &400
in the keys file. Set this to 1 if you wish to use the Emacs keymap all the
time.

To define a new keymap, keymap number &yy say, you need to do two things.
First you must enter a line in the 'keys' file reserving space for the keys.
This takes the form:

&4yy&aa&bb

where &aa is the smallest keynumber you wish to use and &bb the largest
(inclusive). See entry &401 for an example.

Next you must define the keys. To define key number &xxx you must enter a
line in the 'keys' file of the form:

&yy0xxx<command>

where <command> is the name of the command to be attached to the key. The
format of the <command> field is described in A.1 and the 'Commands' file.

By using multiple keymaps you can provide for a sequence of keys to execute a
command. To do this you need the 'KEYMAP' command. The command 'KEYMAP n'
switches the current keymap to 'n'. However, after the next key has been
read, the current keymap is restored to whatever basemap you have set with
the basemap command. Thus in effect, the keymap only changes for the next
keypress (unless that two has a KEYMAP command).

For example, in Emacs "Ctrl-X 4 F" loads a file. This is accomplished by
setting:

Ctrl-X in keymap 1 is bound to KEYMAP 2
4 in keymap 2 is bound to KEYMAP 4
F in keymap 4 is bound to FINDFILE

After the command FINDFILE has been executed, the keymap will be restored to
1 for the next key press.

A.6 Colour
----------

Colour is changed using the 'Colour' menu off the 'Display' menu, both on
the main Zap window menu. The first 9 colours you can change are the same
for all modes, being:

ColourAction

0Background1The colour used for squares containing no text.
1Background2The colour used for squares containing text.
2ForegroundThe standard foreground colour.
3Selection-BSelection background colour.
4Selection-FSelection foreground colour.
5Cursor-BacCursor background colour (ie the cursor colour).
6Cursor-ForCursor foreground colour.
7Line numsColour used for line numbers (eg in Basic mode).
8Ctrl charsColour used for control characters (0-31).

Colours 9-15 are mode dependant and lie below a dotted line. If the 'all
modes' flag at the top of the menu is set then when you change one of the
colours 0-8 (as above) then it is changed for all modes, not just that one
mode. Colours 9-15 only set the colour for that mode regardless of the status
of this flag. You will need to change modes to set up the colours for
different modes differently.

Of course, if you change colours from the window menu, then the colours are
only changed for that window and are lost when the window is closed. To
change them permanently, use the Display menu off the options menu and then
click on 'save options'.

*************************************************************************
* Section B:Loading,Saving,Printing,Editing files*
*************************************************************************

B.1 Loading/creating files
--------------------------

These are the ways to load a file into Zap:
 (a) If the file is a text file then double click on it.
     (or more generally if there is a '+' for this type in the keys file).
 (b) If the file is typed then hold down left shift and double click on it.
 (c) If the file is untyped then drag it onto the Zap icon on the iconbar.
 (d) Press F2 then type the name of the file and RETURN (TAB completes the
     filename).
 
When you load a file into Zap, it works out the best mode to load it into. At
the moment there are two mechanisms for doing this, both specified in the
'keys' file. These are: (see A.3 for more details).

(i) By filename: The keys variables &5xx are followed by a filetype then a
    filename and then a mode to use. If the (wildcarded) filename matches
    and the filetype matches then that mode is used.
    
(ii) By filetype: The keys variable &1xxx is followed by the mode name to
     use for type &xxx. If the name is preceded by a '+' then the file is
     loaded even if shift is not held.
     
If the file satisfies more than one of the above criterion, then the first
one mentioned in the keys file will be used.

Sometimes you may wish to load a file in a mode other than its default one.
To do this, set the required mode on the 'Options.Mode' menu, and then hold
down the CTRL key while loading the file. (Eg Shift-Ctrl double click on the
file). It will then be loaded in the selected mode (usually text).

Dragging a file into an open window inserts the data at the current cursor
position. RAM loads/saves are fully supported and you may even save a file
into itself. If you are short of memory then I suggest you switch the undo
buffer off before performing such drags. (Use the File menu).

In any mode the window title is of the form:

 "<filename> [*] ([options]) [view number/number of views]".

The title is centered unless the window is small when it is right aligned so
you can see the leaf name and options of the file. A '*' indicates that the
file has been altered since last saved. The options characters are described
below. The view number is only shown if you have more than one view on a
file.

 RRead only and fixed as read only.
 rRead only but can be toggled to read/write by scR.
 uUndo supported by this file (so cX acts as cut, not delete).
 oOverwrite mode active (toggle via Insert key).
 hHex entry mode active for Byte/Word (toggle via F2).
 wWordwrap mode active (toggle via cF5).
 lLine edit mode active (return inserts new line).
 aAuto indent mode active (see the Edit submenu).
 nNon standard mode active (used by ARMBE emulation mode).
 LLine wrap mode.
 
You may also create files of a given type using the 'Create.Type' menu, or
grab modules using the 'Create.Getmodule' menu. Zap can also read disc
sectors and other applications memory. Click SELECT on the Zap icon to create
a new text file and ADJUST on the Zap icon to create a new BASIC file. You
can change the type of file created by SELECT/ADJUST click in the 'keys'
file.

Zap will warn you before overwriting a file of the same name if it is
altered. If it is unaltered then the newly loaded file will replace the one
currently loaded as in !Edit.

When a file is loaded, OS_FSControl, Canonicalise_Path will be called to
convert any path references into full path names (unless you have RISC OS 2).

B.2 Saving files
----------------

Press F3 (or click on the menu option 'File') to open the save box. You may
change the file type either by clicking the MENU button, or by moving to the
type name window, typing the new type name and pressing RETURN. Zap will warn
you if you are about to overwrite a more recent file (if you have the
check-dates option on - see the options.misc menu), or if the file contains
no path. If you ignore the warning then it will save the file to the
currently selected directory.

Ctrl-F3 (or clicking on 'File.Save') does a direct save. Ctrl-F2 deletes the
current file and Shift-Ctrl-X deletes the other file being viewed. Please
note that when the SAVE,DISCARD,CANCEL box pops up you may simply press
'S','D',or 'C' instead of using the mouse. The same holds for other dialogue
boxes (ctrl S,D,C are also valid).

If you are using one of the basic modes then please note that you must save
from a window in the correct mode. If you switch to text mode and then save,
your file will be saved as a text file and not a Basic program.

B.3 Dumping, printing files
---------------------------

First note that any window display may be turned into a text file simply by
pressing SHIFT-CTRL-COPY. Once you have done this you could print a file
simply by saving it to a printer driver, or by opening the 'printer:$' filing
system (press ctrl-print) and saving the file into it. Zap also provides two
other printout commands.

The first, 'quick print' can be got by pressing the 'Print' key. When you
press Return, or click 'PRINT', it will send the display to the printer
directly. It sends a LF and a CR to the printer at the end of each line. You
may configure the codes sent by altering the 'keys' file variable &307.

The second, 'fancy print' can be got by pressing 'Shift-Print'. You must have
a printer driver loaded. The file will then be output via the printer driver
in the current outline font selected via the 'Display.Font.Othername' menu.

B.4 Selecting regions
---------------------

There are several ways to mark regions in Zap. The most obvious is to use the
mouse.

If there is no region selected then DRAG SELECT will mark a new region, and
ADJUST CLICK/DRAG will select between the clicked point and the cursor. If
there is already a region selected then DRAG SELECT will start selecting a
new region, ADJUST CLICK/DRAG will alter the old region. In either case, hold
down the CTRL key to leave the cursor unaffected by the selection.

The second method is to use the keyboard. This method is much faster when
you have got used to it. First move to the start of the region you wish to
mark. Then press CTRL-COPY and move (via the cursor keys) to the end of the
region. Then press ESCAPE (or CTRL-COPY).

The third method is to use multiple clicks. Double click marks a word, triple
click a line, quadruple click a paragraph and quintuple click the whole
file. If you do a drag selection after the second/third click, then the text
will be selected in words/lines. Note that the BASIC mode limits selected
regions across lines to full Basic lines (like the ARMBE).

B.5 Copying/pasting/cutting/yanking
-----------------------------------

Zap implements both the !Edit style copy/move and the Emacs style paste/yank.

The !Edit method: To move a region to the cursor position press ctrl-V. To
copy a region press ctrl-C.

The Emacs method: To move a region cut it with ctrl-X and then paste it with
ctrl-Y (the undo buffer must be on to do this). To copy a region, grab it
with shift-ctrl-W (Emacs meta-W) and paste it with ctrl-Y. Press shift-ctrl-Y
(Emacs meta-Y) to cycle through the previously deleted regions. Also note
that multiple presses of ctrl-K or F10 produce data which can be yanked by
ctrl-Y.

Another way to copy text is via the COPY key. This is faster for copying
small sections of other lines. First press the COPY key to split the cursor
into two. One cursor can be moved about by the cursor keys. Move this to the
area you wish to copy from and press the COPY key once for each character.
Press ESCAPE or RETURN to cancel the copy mode. Please note that you can also
use this method across windows and even across modes!

B.6 Inserting text/control codes
--------------------------------

In text mode there are two features to help you format text as you type it.
The first is called 'word wrap' and is toggled on and off via cF5. The second
is called 'line wrap' and can be toggled on and off via the 'Edit' menu (or
you can bind the LINEWRAP command to a key if you wish). Whilst either of
these modes are active, text typed beyond the 'wrap width' margin (set via
the 'Edit' menu) is automatically split at spaces and placed on the next
line. 'Wordwrap' differs from 'linewrap' in that when you delete characters,
the paragraph will be formatted in wordwrap mode (thus pulling text back) but
not in linewrap mode.

There are two ways to insert control characters. The first is to 'quote' the
character. To do this, press ctrl-Q and then type the control character you
want to insert. Eg, ctrl-Q ctrl-A will insert the byte 1. The second is to
switch to byte mode (scF2), type the digits in hex and then switch back to
text mode (scF1). This assumes that 'hex entry mode' is active in byte mode.

When creating macros, by binding a list of commands to a key, you may find
the commands INSERT and INSERTGS useful. The first inserts a string into the
text and the second GS-Trans's it first.

*************************************************************************
* Section C:Editing BASIC - PLEASE READ*
*************************************************************************

C.1 Changing editors/options
----------------------------

There are essentially 3 ways to edit basic programs in Zap. Do not be put off
if you dislike the default configuration. You may change most things to your
preference.

In the default configuration, basic programs are edited in the zap extension
mode called BASIC. This is designed to be a desktop version of Acorn's ARMBE.
Those people used to ARMBE should find this mode very easy to use. The main
points are that is edits the program while tokenised, and acts as a line
editor. Ie, RETURN inserts a new line after the current one, and the
functions SPLIT,JOIN on shift-F1 and ctrl-F1 are used to manipulate lines.

For those people who wish to edit BASIC in tokenised form, and thus with line
numbers accessible, but who do not like 'line editors' as described above,
perform the option changes indicated by the clicks:

options.mode.BASIC ; configure basic mode
options.edit.line edit ; turn off line editor mode
options.edit.non standard ; turn off non standard split/join
options.display.linenumbers.none ; turn off line numbers
options.mode.TEXT ; return config mode to text
options.save options ; save your !Config file

This will result in a mode where the BASIC program is still tokenised, but
RETURN and DELETE act normally as split and join operators. Also the line
numbers have been switched off.

For those who prefer to edit basic in detokenised form, there is a separate
mode named BASTXT which accomplishes this. To load a single file in using
this mode it is easiest to set the options menu mode to BASTXT and hold down
CTRL key while loading the file. To change to the BASTXT mode permanently,
change the line of the 'Keys' file which reads:

Basic&1FFBBASIC

to read:

Basic&1FFBBASTXT

In this mode, whenever a file is loaded it is converted into text with line
numbers striped. Saving is the converse. Please note that if the program
contained line number references, then Zap will beep before forcing the BASIC
mode described in C.2.

C.2 Using BASIC in ARMBE mode
-----------------------------

In it's default setup the BASIC mode is designed to emulate ARMBE. Thus line
numbers are displayed in the left margin, and automatic renumbering takes
place as lines are added to the file. All GOTO and GOSUB line number
references are automatically updated.

In line editor mode, the RETURN key inserts a new logical line. To split the
line in two at the current cursor position press SHIFT-F1 and to join two
lines press CTRL-F1. When two lines are joined, a ':' is inserted between the
statements. If you do not like this, it can be switched off by turning off
the line-edit and non-standard flags on the edit menu. See above.

Text is typed as usual with the proviso that tokens are automatically
expanded. For example 'P.' will be expanded to 'PRINT' when you press the
dot. Also note that in non-standard editing mode excess spaces are
automatically removed from the end of a line (except when this would prevent
the line wrapping onto the next). 'Unix' tab mode just advances the cursor to
the next tab stop as in ARMBE. The other tab modes, !Edit and Coltab work as
in the text mode.

Copying bits out of the middle of lines is performed using the COPY key.
Groups of lines are selected, cut and moved/copied as usual for any text
region. The regions are automatically renumbered internally. For those (like
me) used to the ARMBE way of moving regions, there is a natural replacement.
For example suppose you wish to move lines 10-50, to before line 100. In the
ARMBE you would do:

  Move to line 10, cM cM, move to line 50, cM cM, move to line 100, cB, f12
  
In Zap you do:

  Move to line 10, cCOPY, move to line 60, ESCAPE, move to line 100, cV

Goto's are automatically updated. For example copy the lines 10 and 20 below
several times in a basic program.

10 PRINT "HELLO"
20 GOTO 10

Shift-F8 renumbers any program in steps of 10. Please note that line numbers
are not stored in the undo buffer as this would be a waste of space. Thus
after multiple undo's, the line numbers may get out of order. This can be
rectified by Shift-F8. Basic programs can be appended by simply dropping them
into the window.

C.3 Testing BASIC programs
--------------------------

Zap provides a number of functions to test out basic programs while they are
being edited. The first 3 start up a new BASIC task and ram transfers your
program to the new task, loading it a PAGE:

 scBThis drops you into basic with your program loaded at PAGE.
 scUThis acts as cB and then Runs the program.
 scFThis acts as cU but automatically quits BASIC when finished.
 
The other two commands save the program first, and then run them from disc.
These are of course slower:

 scCThis acts as cU but saves the program first and chains it from disc.
 scEThis acts as cF but saves the program first and chains it from disc.

Zap calculates the amount of room needed to run the program as the maximum
of: 1) Next slot size 2) Program size+16k 3) Program size * 1.5.

*************************************************************************
* Section D:Individual mode help*
*************************************************************************

Zap can handle up to 256 text processing modes. I have currently allocated
space for 16. For details on how to write your own mode see the 'Docs'
directory. The currently defined modes are described below.

D.0 Text Mode
-------------

This is a basic text editing mode. Most of the functions associated with this
mode are detailed elsewhere. See the 'Helpdata' file for a detailed listing
of menu options. To insert control characters in the text it is easiest to
switch temporarily to byte mode. The character &09 in a text file is taken to
denote a tab to next column of 8. You may change this character and the way
it is displayed from the display menu. Tab action may be changed by the
'Misc.Tabs' menu.

D.1 Byte Mode
-------------

This mode gives displays the file in hex bytes and is used for examining data
or inserting control characters. The hex-entry flag (toggled by shift F3)
controls this action. If it is off and you type '0B' then the letters '0' and
'B' will be inserted. If hex-entry is on (h in title) then the byte &0B will
be inserted. Use the overwrite mode (toggled via the insert key) to change
the data without shifting the file.

D.2 Word Mode
-------------

This is similar to byte mode except the data is shown in word form. Typing
characters with hex-entry mode off has no effect, but typing with it on
inserts the given word in hex.

D.3 Ascii Mode
--------------

This mode displays data in ascii dump form. Letters typed are inserted as
usual.

D.4 Code Mode
-------------

This mode displays data in disassembled format with 1 instruction per line.
Please note that in RISCOS 3, the debugger adds some extra information after
some instructions, but some of this only appears if you disassemble
sequentially. Eg TEQP R0,#0 followed by MOV R8,#0 gives the warning 'Not
r8-r14'. However this may vanish if you are moving backwards up the file
instead of forwards. This happens very rarely but it may cause confusion if
you don't understand what's happening.

The four most useful keys in code mode are cI,Left,Right,Return. For example
if you are at the start of a module then pressing cI will cause you to jump
to the start offset of the module. If you are on an instruction 'BL
&00012345' or 'ADR r0,&01822445' then pressing Right will jump to the
indicated address. At any time, Left will move you back to your previous
position. This jumping uses the marker buffer and can be done to any depth
you require.

The RETURN key enables you to edit an instruction (via the ASSEMBLE command).
When you press it, the minibuffer will be opened with the current instruction
entered as default. You should then edit the instruction and press RETURN
again for it to be assembled and written back. The assembling is done by the
ZapBasic module which tokenises the instruction and then uses the BASIC
assembler. Hence you may use the basic functions ASC,EQUD,ADR etc.

If the file is typed 'Module' then the first few offsets display the module
entry point name rather than the instruction. 

D.5 BASIC Mode
--------------

See sections C.1, C.2 and C.3 for details about how to use this mode.

A slight modification is made to the BASIC program on loading. The actual
file format edited is  a number of lines of the form:

 xx yy zz "Tokenised line" &0D
 
Where xx yy zz is the line number in 3 byte text form as stored after a GOTO
or GOSUB statement.

D.6 BASTXT Mode
---------------

This edits Basic files in detokenised form. See sections C.1 and C.3 for
details.

D.7 CMODE Mode
--------------

This mode provides facilities for editing C, TeX, and Gopher files including
bracket/dollar matching and function listing. The mode is written by Bryan
Scattergood. Please see the file '3rdParty.CModeHelp' for details about this
mode.

D.8 C Mode
----------

This provides a coloured C mode. See the file '3rdParty.ZapMjeHelp' for more
details.

D.9 Assembler Mode
------------------

This provides a coloured Acorn Assembler mode. See the file
'3rdParty.ZapMjeHelp' for more details.

D.10 Pascal Mode
----------------

See the file '3rdParty.ZapMjeHelp' for more details.

D.11 THROWBACK Mode
-------------------

This mode handles the files generated by Zap's search to buffer, C throwback
and !Find info output. Double clicking on an item will jump to that item in
the source file. Shift double clicking will jump to the item and then kill
the throwback buffer. Clicking ADJUST on a line will remove the line from the
file.

Also note that RETURN acts in the same way as double click and DELETE in the
same way as adjust if you move into the file.

D.12 Taskwindow Mode
--------------------

This mode handles task windows. To create a task window use the
'Create.Taskwindow' menu option or press ctrl-F12. At any time, changing mode
to TEXT will suspend the task, and changing mode back to TASKWINDOW will
resume it. The taskwindow output supports the COPY key and the following VDU
actions:

07 CTRL GBell.
08 CTRL HMove back one character.
09 CTRL IMove forward one character.
10 CTRL JMove down a line.
11 CTRL KMove up a line.
12 CTRL LClear text window.
13 CTRL MMove to line start.
22 CTRL VChange mode.
26 CTRL ZRestore text window.
28Define text window.
30Home cursor.
31Move to x,y (TAB).

If you use Richard K. Lloyd's wonderful 'Line Editor' module then you'll find
it now works within the taskwindow. There is a problem in that it changes the
FX 4 value and thus the COPY key will not work in the taskwindow if you have
the line editor loaded. The solution is to press F12 then RETURN to reset the
FX 4 value before using the copy key. Mode changes are reflected by changing
the width and height of the window.

Control keys and function keys are NOT passed on to the taskwindow so you
can use CTRL-C to copy commands to the current taskwindow line. If you
want to send a control key or function key to the taskwindow then this can
be done by quoting it with CTRL-Q. For example, CTRL-Q CTRL-L will clear
the screen, and CTRL-Q F1 will cause function key F1 to be expanded in the
taskwindow.

D.13-D.15 These modes are reserved
----------------------------------

*************************************************************************
* Section E:Search and Replace*
*************************************************************************

E.1 The Search window
---------------------

Zap has quite a powerful search facility which is based loosely on emacs
search, allowing 'OR' constructs and character ranges. The search window can
created by pressing F4 or F7 or using the 'file' menu. Pressing F4 will
ensure that search matches are jumped to, whereas pressing F7 will cause all
matches to be placed in a separate throwback buffer. Double clicking on a
match in the buffer then jumps to the match. See section D.11.

The first column of the search window selects whether you wish to search for
a string, instruction or word (4 bytes). In the first two cases enter the
string to match. In the third case enter an expression evaluating to a number
to search for.

The second column selects where the search should start and the direction of
the search. You may start at the beginning of the text or forwards/backwards
from the current cursor position. If you wish to change the default option
for this then just edit the template file.

The third column selects the output. If you choose cursor output (F4) then
the cursor will be moved to the first match and subsequent matches may be
got by sF7 (Next match) and scF7 (Previous match) as in the Basic Editor. A
beep will sound if there are no more matches and the cursor will not move. If
you choose 'to buffer' (F7) then all matches are placed in a new (text) file.
Double clicking on entries in this text file cause the cursor to be moved to
the corresponding match.

Now to the search string. In order that the user may have any search syntax
he/she chooses, I have adopted the following approach:

 * All wildcards/commands begin with a '\' as listed below.
 * The user may define up to 16 macros (aliases) in terms of these commands.
 * When the search string is entered, all the users macros are substituted
   before the search takes place.

The macros may be examined and altered by clicking on the 'Show Macros'
button. The default macro definitions are stored in the 'Keys' file and may
be altered there. The macros can be temporarily turned off in the 'Macros'
window. This window also controls whether the search is case sensitive or
not. These options are stored in the !Config file and saved via the menu
option 'Options.Save options'.

For example; I have * as a standard macro for \.\*. Thus if I typed in a*b,
the string would be converted to a\.\*b. However a\*b would remain as a\*b as
the * follows a \ and is thus treated as a command.

The table below details all the escape characters and commands. In it I will
use 'x' to stand for any ascii character unless otherwise mentioned.

xMatches character 'x' (according to case sensitivity).
\xMatches 'x' case sensitively, unless \x mentioned below.
`xMatches 'x' only (without any replacement of macros).
\( \)Act as brackets for nesting expressions.
\{ \}Act as the normal brackets above, but may be referred
to in the replace string during a search and replace. See E.2.
\#Matches any character. Eg a\#d matches 'and','aad' but not 'ad'.
\.Matches any character except the return character.
\*Matches any number of the previous expression. Eg fo\* matches
'f','fo','foo' etc. and \(and\)\* matches '','and','andand' etc.
\%Matches the most number of repetitions of the previous expression.
Thus \[0-9]\% matches '1' in '1pt' and the '395' in 'ab395rty'.
\|Matches one expression OR another. Eg hello\|goodbye\|fred.
Eg \(a\|b\)\* matches 'abababa','abbba' etc.
\[..]Matches a range of characters. Eg \[a-zA-Z%] matches any letter or
a '%'. If a '^' is given after the opening bracket then
it acts as a NOT. Thus \[^abc] matches any character except a,b,c.
\<Matches null string at line start (and file start).
\>Matches null string at line end.
\+Turns on case sensitivity for the following letters ONLY. It's
effect stops at the next wildcard/bracket/command. It doesn't
affect nested/bracketed statements - this will be improved.
Eg \+Fred\|Bill matches Fred case sensitively but not Bill.
\-As above, but turns off case sensitivity.
\\Matches a '\'.
\dddWhere d is any decimal digit matches that number.
Eg '\0alf' matches byte 0,'alf' and \233 matches byte 233.
Please note that \999 matches byte 99 followed by '9' as 999>255.
\&hhAs above but matches the hex byte hh when h are valid hex chars.
\xhhMatches hex numbers as above (where 'x' is the letter 'x').
\A-\ZMatch ctrl A to ctrl Z.
\bMatches backspace (8)
\fMatches a form feed (12)
\nMatches a new line (10)
\oMatches any character except a '.' (useful for matching filenames).
\rMatches a return (13)
\tMatches a tab (9)
\vMatches a vertical tab (11)

In most cases you will wish to macro '|' as being '\|' and '(' as '\(' etc.
This is how the default macros are set up. Macros can be switched off in the
macro box. In the examples below, the default macros are assumed. Please note
that you may macro the macros! Eg, you could define '(' to be '\(' and '\( to
be '(' if you wished.

Examples:

 cat|matMatches cat or mat.
 re*mentMatches any occurrence of 're' then 'ment' on a line.
 SWI    Matches any SWI (in code mode).
 LDR|STRMatches any load or store instruction.
 R6Matches any instruction using R6.
 BL*&0000A95CMatches any call to &0000A95C.
 \&0AMatches the byte &0A.
 \<fredMatches fred, but only at the start of a line.
 main`(Matches 'main('
 \d\%Matches any number (where \d is macroed as \[0-9]).

Hints:

The search will be MUCH faster if you give a definite first character to
start with. Eg 'a\(nd\|pple\)' will be a lot faster than 'and\|apple'.
If the search takes longer than 1/3 second, then an hourglass will come up
displaying the position in the file as a percentage underneath. You may stop
the search by pressing Escape, and the partial results will be displayed if
you are using 'Search to buffer'.

E.2 The Replace window
----------------------

A Search and Replace window can be created by pressing shift-F4 or from the
'file' menu. The first column sets the search start position and direction as
in the Search window described above. The second column selects either
selective or global replace.

For a selective replace, each match will be highlighted and a 'Replace ?'
window will appear. Press 'R' to replace that match and move onto the next
match. Press 'S' to skip to the next match without replacement. Press 'T' or
'E' to replace all matches from this point (inclusive) to the end of the
file. Press 'C' or ESCAPE to stop the selective replace.

The format of the search string is described in section E.2. In the replace
string, MACROS ARE NOT EXPANDED and you may use the following control
sequences:

\dddReplace with the decimal byte ddd.
\&hhReplace with the hex byte hh.
\xReplace with character 'x' (eg '\\' -> '\').
&nReplace with the n'th \{,\} expression in the search string (n<10).
&&replace with an '&'

If you wish to include parts of the match string in the replacement string
then you must surround the relevant sections in the search string with {,}
type brackets (assuming the standard macros). Note that macros like '\n'
should not be inserted in a replace string, you will just get 'n'.

Examples:

 Search string:Replace string:Action:

 'cat'''Removes all occurrences of 'cat'
 '{cat}''&1s'Replaces 'cat' with 'cats' preserving case.
 'time={#}''time is &1'Replaces 'time=58' with 'time is 58' etc.

To convert spaces between columns of figures in a table into tab characters
make the find string '{\d}  \*' and the replace string '&1\9'. Another way
to do this is replace '{\d} \%' with '&1\9'.
 
E.3 Keyboard (incremental/interactive) search
---------------------------------------------

Incremental search is activated by pressing ctrl-S (Search forward) or ctrl-R
(Reverse search). When you do this a minibuffer will be opened for you to
type the search string into. As you type the search string, Zap will
search through the text placing the cursor at the end of the next match.
If there is no match then Zap will beep and print "(fail)". You may use the
DELETE key to remove characters from the search string.

To halt the search at the current position, press Escape or Return. If you
press an arrow or function key then the search will be halted and the key
then acted upon. Alternatively, pressing cG (Cancel) will cause the search to
be cancelled and the cursor returned to its initial position. This setup
should be familiar to users of Emacs.

Pressing ctrl-S or ctrl-R whilst in search mode will move you to the
next/previous matches. If the search string was empty then the previous
search string will be placed in the buffer.

Macros are turned off during the search so ('s etc act as normal. However,
\( and all other \-starting commands will still work so you must type \\
to search for a \.

*************************************************************************
* Section F:Other features*
*************************************************************************

F.1 Learning key sequences
--------------------------

This feature of Zap is very simple to use, and very useful. To start
'learning' a key sequence, simply press ctrl-L. Type the sequence you wish to
learn and then press ctrl-L again. Press F1 to execute the learnt sequence.

Note firstly that Zap will beep after every keypress you make to remind you
that it is being stored. Secondly note that the ESCAPE key will NOT stop the
learning process. Only ctrl-L will stop it. Thus you can learn sequences
which use incremental search, or keyboard selection of regions. Both these
actions involve the Escape key.

Once you have learnt a sequence, you may 'bind' that sequence to a key so
that pressing that key in future causes the same series of actions to take
place. To do this press CTRL F8 and then press the key you want to bind the
sequence to (or Escape if it was a mistake - Escape won't be bound).

The learn feature has many uses:

Example 1:

Suppose you wanted to insert a tab at the beginning of a group of lines. One
way would be to use the indent region option. Another way however would be to
learn the sequence: TAB,DOWN,CLEFT and then press F1 a number of times.

Example 2:

Suppose you wanted to go to the next match of 'cat' and switch the case of
the letters. You could learn the sequence:

 ctrl-S C A T ESCAPE LEFT LEFT LEFT scS scS scS
 
and then press F1 a number of times.

Exercise (for the reader):

When editing this !Help file I decided to switch the columns labelled 'Key:'
and 'Command:' around in section A.1. I did this by learning a key sequence
and then I only had to press F1 once for each line. What was the sequence?
(no prizes unfortunately).

F.2 Tabs and indenting
----------------------

The standard tab character is taken to be &09. You may alter this from the
'Display.Tabs' menu. This menu also allows you to alter the appearance of
Tabs. The menu 'Misc.Tab mode' controls how tabs are entered when you press
the TAB key. In 'Unix' mode the character &09 is inserted. In '!Edit' mode,
the cursor moves to the column which starts the next word on the above line.
In coltab mode, the cursor moves forward 'n' characters where 'n' is the
current coltab width. In the latter two, as many tab characters as possible
are inserted. If you wish spaces only to be inserted, then tick the 'as
spaces' menu option. Use shift-TAB to switch between 'Unix' and '!Edit' tab
modes.

To indent a region, first select it and the use the 'Selection.Indent' menu
option (or Ctrl J). Type 'n' to indent by n spaces, '-n' to remove n spaces,
or type a string to indent by that string. To outdent a region use Ctrl H.
The region is outdented by the length of the current indent string (thus a
negative indent string will cause outdent to indent :-).

F.3 Fonts and font sizes
------------------------

The font used in a Zap window is determined by the 'Display.Font' menu. The
first 3 items select the system font drawn in a number of different ways. The
first two use direct screen access and the latter uses the VDU drivers. The
cached system font may be updated by clicking on 'Options.Ctrlchars.Default'.

To use a font other than the system font select either the fourth or fifth
items. The fourth displays an anti-aliased font by direct screen access (and
thus uses quite a bit of memory) and the fifth via normal Font_Paint call.
The font name and size can be selected via the last two items. If you type in
a ludicrously large size, then weird things may happen!

To configure the font name and size, change variables &302 and &304 in the
keys file. You may also use variables &305/306/310/311 to shave off surplus
spacing around font characters. Fonts are monospaced.

When using the FAST FONT option, it should be noted that the font is only
cached in one set of anti aliased colours. These are taken to be the default
colours for text mode foreground and background. All other colours are drawn,
but not anti-aliased.

F.4 Universal arguments.
------------------------

The universal argument feature enables you to execute a keypress an arbitrary
number of times. Suppose for example you wanted to insert 100 spaces. The
quick way to do this is to type:

CTRL-U 100 SPACE

In general you type CTRL-U then the number of times you want the key to be
executed, then press Return, then press the key to execute. The 'pressing
Return' step can be omitted if the key you want to repeat is not delete or a
digit or another valid key for editing the number you are typing (as in the
example above).

F.5 The minibuffer
------------------

Some Zap commands can take parameters. In order that these parameters can
be entered at run time, a minibuffer is provided. If you type a command into
the 'keys' file without specifying its parameter then, when you press that
key, the minibuffer opens. You should type in the command argument and then
press RETURN. Several examples keys are cESC,cS,cR,cW,F2.

Several control keys have default meanings in the minibuffer. These can not
at the moment be reconfigured, but are compatible with the Emacs minibuffer
keys:

cA / cLeftMove to start of line
cB / LeftMove back a character
cD / sDeleteDelete the next character
cE / cRightMove to end of line
cF / RightMove forward a character
cG / EscapeQuit the minibuffer
cKDelete to end of line
cUClear minibuffer
TABComplete key (eg after F2, TAB will complete
filenames)
RETURNExecute the command.

These keys can be redefined by commands, but should remain as consistent as
possible with the above.

*************************************************************************
* Section G:How to find out more*
*************************************************************************

G.1 Other help files
--------------------

The 'Helpdata' file contains help for all the leaf windows, main windows, and
MENU entries. You can view this by using Acorn's !Help application, or just
by loading the text file. On RISC OS 2/3.0 you cannot get help on the menu
entries, only the windows (but you can just read the file directly).

The 'Docs.Commands' file gives a list of all currently defined Zap commands
and their syntax. These will be useful for turning keys into macros. For
example INSERT "Hello":RETURN. 

For those interested in writing an extension mode, or adding new commands, or
Zap's internal workings, please look in the Docs directory. You should start
with the file called ReadMe. This directory also contains a Zap keystrip in
the form of a Draw file.

Please see the file 'Changes' for my future plans for Zap.

G.2 Obtaining future versions of Zap
------------------------------------

I will be sending any future versions (>1) of Zap to:

1) Hensa: e-mail: archive-server@micros.hensa.ac.uk (send message 'help')
  ftp   : micros.hensa.ac.uk (IP 148.88.8.84)

(The Newcastle Info Server has unfortunately been closed down :-( ).

2) The Archimedes Public Domain Library:
   39 Knighton Park Road
   Sydenham
   London
   SE26 5RN
   
Please look at the 'Changes' file for the anticipated release date.

G.3 Contacting me with suggestions/bugs
---------------------------------------

Suggestions and bug reports are welcome. See the Copyright file for my
address (E-Mail preferred). Before sending suggestions please read the
'Changes' file where I list the things currently on my 'wish list'. If you
find a bug then please give me as many details as possible as to the
circumstances that cause it - try and get it repeatable. If you have a
comment on a Zap extension mode not written by me then please write to the
author (see 3rdParty.ReadMe).

I hope you find Zap a useful program.

Dominic Symes
March 1994

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*
00000620  2a 2a 2a 2a 0a 2a 20 49  6d 70 6f 72 74 61 6e 74  |****.* Important|
00000630  3a 2a 0a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |:*.*************|
00000640  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
*
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00000680  29 49 66 20 79 6f 75 20  66 69 6e 64 20 74 68 69  |)If you find thi|
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00000890  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
*
000008d0  0a 2a 20 43 6f 6e 74 65  6e 74 73 3a 20 20 20 20  |.* Contents:    |
000008e0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
00000910  20 20 20 20 20 20 20 20  20 2a 0a 2a 2a 2a 2a 2a  |         *.*****|
00000920  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
*
00000960  2a 2a 2a 2a 0a 0a 53 65  63 74 69 6f 6e 20 41 4b  |****..Section AK|
00000970  65 79 73 20 61 6e 64 20  6f 70 74 69 6f 6e 73 2e  |eys and options.|
00000980  0a 41 2e 31 20 53 75 6d  6d 61 72 79 20 6f 66 20  |.A.1 Summary of |
00000990  64 65 66 61 75 6c 74 20  6b 65 79 20 61 63 74 69  |default key acti|
000009a0  6f 6e 73 2e 0a 41 2e 32  20 48 6f 77 20 74 6f 20  |ons..A.2 How to |
000009b0  28 72 65 29 64 65 66 69  6e 65 20 6d 6f 72 65 20  |(re)define more |
000009c0  6b 65 79 73 2e 0a 41 2e  33 20 48 6f 77 20 74 6f  |keys..A.3 How to|
000009d0  20 63 68 61 6e 67 65 20  5a 61 70 27 73 20 64 65  | change Zap's de|
000009e0  66 61 75 6c 74 20 6f 70  74 69 6f 6e 73 2e 0a 41  |fault options..A|
000009f0  2e 34 20 44 69 66 66 65  72 65 6e 63 65 73 20 52  |.4 Differences R|
00000a00  49 53 43 4f 53 20 32 2f  33 2e 0a 41 2e 35 20 4d  |ISCOS 2/3..A.5 M|
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00000a50  64 65 66 61 75 6c 74 20  63 6f 6c 6f 75 72 73 2e  |default colours.|
00000a60  0a 0a 53 65 63 74 69 6f  6e 20 42 4c 6f 61 64 69  |..Section BLoadi|
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00000a80  6e 67 2f 65 64 69 74 69  6e 67 20 66 69 6c 65 73  |ng/editing files|
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00000b20  20 49 6e 73 65 72 74 69  6e 67 20 74 65 78 74 2f  | Inserting text/|
00000b30  63 6f 6e 74 72 6f 6c 20  63 6f 64 65 73 0a 0a 53  |control codes..S|
00000b40  65 63 74 69 6f 6e 20 43  45 64 69 74 69 6e 67 20  |ection CEditing |
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00000b60  45 41 44 0a 43 2e 31 20  48 6f 77 20 74 6f 20 63  |EAD.C.1 How to c|
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00000b80  74 69 6f 6e 73 2e 0a 43  2e 32 20 55 73 69 6e 67  |tions..C.2 Using|
00000b90  20 42 41 53 49 43 20 69  6e 20 41 52 4d 42 45 20  | BASIC in ARMBE |
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00000bb0  67 20 42 41 53 49 43 20  70 72 6f 67 72 61 6d 73  |g BASIC programs|
00000bc0  2e 0a 0a 53 65 63 74 69  6f 6e 20 44 49 6e 64 69  |...Section DIndi|
00000bd0  76 69 64 75 61 6c 20 6d  6f 64 65 20 68 65 6c 70  |vidual mode help|
00000be0  2e 0a 44 2e 30 20 54 65  78 74 20 6d 6f 64 65 0a  |..D.0 Text mode.|
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00000c40  20 54 68 65 20 52 65 70  6c 61 63 65 20 77 69 6e  | The Replace win|
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00000c70  73 65 61 72 63 68 2e 0a  0a 53 65 63 74 69 6f 6e  |search...Section|
00000c80  20 46 4f 74 68 65 72 20  66 65 61 74 75 72 65 73  | FOther features|
00000c90  2e 0a 46 2e 31 20 4c 65  61 72 6e 69 6e 67 20 6b  |..F.1 Learning k|
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00000cc0  54 61 62 73 20 61 6e 64  20 69 6e 64 65 6e 74 69  |Tabs and indenti|
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00000cf0  34 20 55 6e 69 76 65 72  73 61 6c 20 61 72 67 75  |4 Universal argu|
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00000d10  69 6e 69 62 75 66 66 65  72 0a 0a 53 65 63 74 69  |inibuffer..Secti|
00000d20  6f 6e 20 47 48 6f 77 20  74 6f 20 66 69 6e 64 20  |on GHow to find |
00000d30  6f 75 74 20 6d 6f 72 65  2e 0a 47 2e 31 20 4f 74  |out more..G.1 Ot|
00000d40  68 65 72 20 68 65 6c 70  20 66 69 6c 65 73 20 2d  |her help files -|
00000d50  20 4d 45 4e 55 20 68 65  6c 70 2e 0a 47 2e 32 20  | MENU help..G.2 |
00000d60  4f 62 74 61 69 6e 69 6e  67 20 66 75 74 75 72 65  |Obtaining future|
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00000d80  2e 0a 47 2e 33 20 43 6f  6e 74 61 63 74 69 6e 67  |..G.3 Contacting|
00000d90  20 6d 65 20 77 69 74 68  20 73 75 67 67 65 73 74  | me with suggest|
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00000db0  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
*
00000df0  2a 2a 2a 2a 2a 0a 2a 20  53 65 63 74 69 6f 6e 20  |*****.* Section |
00000e00  41 3a 4b 65 79 73 20 61  6e 64 20 6f 70 74 69 6f  |A:Keys and optio|
00000e10  6e 73 2e 2a 0a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |ns.*.***********|
00000e20  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
*
00000e50  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 0a 0a  |**************..|
00000e60  41 2e 31 20 44 65 66 61  75 6c 74 20 6b 65 79 20  |A.1 Default key |
00000e70  61 63 74 69 6f 6e 73 0a  2d 2d 2d 2d 2d 2d 2d 2d  |actions.--------|
00000e80  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 0a  |---------------.|
00000e90  0a 57 68 65 6e 20 5a 61  70 20 69 73 20 6c 6f 61  |.When Zap is loa|
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000068e0  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 2d  |----------------|
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00006a00  65 20 66 69 6c 65 20 69  6e 74 6f 20 69 74 2e 20  |e file into it. |
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00006a30  74 6f 75 74 20 63 6f 6d  6d 61 6e 64 73 2e 0a 0a  |tout commands...|
00006a40  54 68 65 20 66 69 72 73  74 2c 20 27 71 75 69 63  |The first, 'quic|
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00006a70  74 68 65 20 27 50 72 69  6e 74 27 20 6b 65 79 2e  |the 'Print' key.|
00006a80  20 57 68 65 6e 20 79 6f  75 0a 70 72 65 73 73 20  | When you.press |
00006a90  52 65 74 75 72 6e 2c 20  6f 72 20 63 6c 69 63 6b  |Return, or click|
00006aa0  20 27 50 52 49 4e 54 27  2c 20 69 74 20 77 69 6c  | 'PRINT', it wil|
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00006af0  43 52 20 74 6f 20 74 68  65 20 70 72 69 6e 74 65  |CR to the printe|
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00006b30  20 63 6f 64 65 73 20 73  65 6e 74 20 62 79 20 61  | codes sent by a|
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00006b50  73 27 20 66 69 6c 65 20  76 61 72 69 61 62 6c 65  |s' file variable|
00006b60  20 26 33 30 37 2e 0a 0a  54 68 65 20 73 65 63 6f  | &307...The seco|
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00006b80  27 20 63 61 6e 20 62 65  20 67 6f 74 20 62 79 20  |' can be got by |
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00006ba0  50 72 69 6e 74 27 2e 20  59 6f 75 20 6d 75 73 74  |Print'. You must|
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00006bc0  64 72 69 76 65 72 20 6c  6f 61 64 65 64 2e 20 54  |driver loaded. T|
00006bd0  68 65 20 66 69 6c 65 20  77 69 6c 6c 20 74 68 65  |he file will the|
00006be0  6e 20 62 65 20 6f 75 74  70 75 74 20 76 69 61 20  |n be output via |
00006bf0  74 68 65 20 70 72 69 6e  74 65 72 20 64 72 69 76  |the printer driv|
00006c00  65 72 0a 69 6e 20 74 68  65 20 63 75 72 72 65 6e  |er.in the curren|
00006c10  74 20 6f 75 74 6c 69 6e  65 20 66 6f 6e 74 20 73  |t outline font s|
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00006c30  27 44 69 73 70 6c 61 79  2e 46 6f 6e 74 2e 4f 74  |'Display.Font.Ot|
00006c40  68 65 72 6e 61 6d 65 27  20 6d 65 6e 75 2e 0a 0a  |hername' menu...|
00006c50  42 2e 34 20 53 65 6c 65  63 74 69 6e 67 20 72 65  |B.4 Selecting re|
00006c60  67 69 6f 6e 73 0a 2d 2d  2d 2d 2d 2d 2d 2d 2d 2d  |gions.----------|
00006c70  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 0a 0a 54 68 65  |-----------..The|
00006c80  72 65 20 61 72 65 20 73  65 76 65 72 61 6c 20 77  |re are several w|
00006c90  61 79 73 20 74 6f 20 6d  61 72 6b 20 72 65 67 69  |ays to mark regi|
00006ca0  6f 6e 73 20 69 6e 20 5a  61 70 2e 20 54 68 65 20  |ons in Zap. The |
00006cb0  6d 6f 73 74 20 6f 62 76  69 6f 75 73 20 69 73 20  |most obvious is |
00006cc0  74 6f 20 75 73 65 20 74  68 65 0a 6d 6f 75 73 65  |to use the.mouse|
00006cd0  2e 0a 0a 49 66 20 74 68  65 72 65 20 69 73 20 6e  |...If there is n|
00006ce0  6f 20 72 65 67 69 6f 6e  20 73 65 6c 65 63 74 65  |o region selecte|
00006cf0  64 20 74 68 65 6e 20 44  52 41 47 20 53 45 4c 45  |d then DRAG SELE|
00006d00  43 54 20 77 69 6c 6c 20  6d 61 72 6b 20 61 20 6e  |CT will mark a n|
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00006d20  44 4a 55 53 54 20 43 4c  49 43 4b 2f 44 52 41 47  |DJUST CLICK/DRAG|
00006d30  20 77 69 6c 6c 20 73 65  6c 65 63 74 20 62 65 74  | will select bet|
00006d40  77 65 65 6e 20 74 68 65  20 63 6c 69 63 6b 65 64  |ween the clicked|
00006d50  20 70 6f 69 6e 74 20 61  6e 64 20 74 68 65 20 63  | point and the c|
00006d60  75 72 73 6f 72 2e 20 49  66 0a 74 68 65 72 65 20  |ursor. If.there |
00006d70  69 73 20 61 6c 72 65 61  64 79 20 61 20 72 65 67  |is already a reg|
00006d80  69 6f 6e 20 73 65 6c 65  63 74 65 64 20 74 68 65  |ion selected the|
00006d90  6e 20 44 52 41 47 20 53  45 4c 45 43 54 20 77 69  |n DRAG SELECT wi|
00006da0  6c 6c 20 73 74 61 72 74  20 73 65 6c 65 63 74 69  |ll start selecti|
00006db0  6e 67 20 61 0a 6e 65 77  20 72 65 67 69 6f 6e 2c  |ng a.new region,|
00006dc0  20 41 44 4a 55 53 54 20  43 4c 49 43 4b 2f 44 52  | ADJUST CLICK/DR|
00006dd0  41 47 20 77 69 6c 6c 20  61 6c 74 65 72 20 74 68  |AG will alter th|
00006de0  65 20 6f 6c 64 20 72 65  67 69 6f 6e 2e 20 49 6e  |e old region. In|
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00006e60  73 65 20 74 68 65 20 6b  65 79 62 6f 61 72 64 2e  |se the keyboard.|
00006e70  20 54 68 69 73 20 6d 65  74 68 6f 64 20 69 73 20  | This method is |
00006e80  6d 75 63 68 20 66 61 73  74 65 72 20 77 68 65 6e  |much faster when|
00006e90  0a 79 6f 75 20 68 61 76  65 20 67 6f 74 20 75 73  |.you have got us|
00006ea0  65 64 20 74 6f 20 69 74  2e 20 46 69 72 73 74 20  |ed to it. First |
00006eb0  6d 6f 76 65 20 74 6f 20  74 68 65 20 73 74 61 72  |move to the star|
00006ec0  74 20 6f 66 20 74 68 65  20 72 65 67 69 6f 6e 20  |t of the region |
00006ed0  79 6f 75 20 77 69 73 68  20 74 6f 0a 6d 61 72 6b  |you wish to.mark|
00006ee0  2e 20 54 68 65 6e 20 70  72 65 73 73 20 43 54 52  |. Then press CTR|
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00006f00  28 76 69 61 20 74 68 65  20 63 75 72 73 6f 72 20  |(via the cursor |
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00006f20  20 6f 66 20 74 68 65 0a  72 65 67 69 6f 6e 2e 20  | of the.region. |
00006f30  54 68 65 6e 20 70 72 65  73 73 20 45 53 43 41 50  |Then press ESCAP|
00006f40  45 20 28 6f 72 20 43 54  52 4c 2d 43 4f 50 59 29  |E (or CTRL-COPY)|
00006f50  2e 0a 0a 54 68 65 20 74  68 69 72 64 20 6d 65 74  |...The third met|
00006f60  68 6f 64 20 69 73 20 74  6f 20 75 73 65 20 6d 75  |hod is to use mu|
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00006f90  73 20 61 20 77 6f 72 64  2c 20 74 72 69 70 6c 65  |s a word, triple|
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00006fb0  75 61 64 72 75 70 6c 65  20 63 6c 69 63 6b 20 61  |uadruple click a|
00006fc0  20 70 61 72 61 67 72 61  70 68 20 61 6e 64 20 71  | paragraph and q|
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00007000  73 65 6c 65 63 74 69 6f  6e 20 61 66 74 65 72 20  |selection after |
00007010  74 68 65 20 73 65 63 6f  6e 64 2f 74 68 69 72 64  |the second/third|
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00007030  20 74 65 78 74 0a 77 69  6c 6c 20 62 65 20 73 65  | text.will be se|
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00007050  6c 69 6e 65 73 2e 20 4e  6f 74 65 20 74 68 61 74  |lines. Note that|
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00007070  6c 69 6d 69 74 73 20 73  65 6c 65 63 74 65 64 0a  |limits selected.|
00007080  72 65 67 69 6f 6e 73 20  61 63 72 6f 73 73 20 6c  |regions across l|
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000070b0  68 65 20 41 52 4d 42 45  29 2e 0a 0a 42 2e 35 20  |he ARMBE)...B.5 |
000070c0  43 6f 70 79 69 6e 67 2f  70 61 73 74 69 6e 67 2f  |Copying/pasting/|
000070d0  63 75 74 74 69 6e 67 2f  79 61 6e 6b 69 6e 67 0a  |cutting/yanking.|
000070e0  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 2d  |----------------|
*
00007100  2d 2d 2d 0a 0a 5a 61 70  20 69 6d 70 6c 65 6d 65  |---..Zap impleme|
00007110  6e 74 73 20 62 6f 74 68  20 74 68 65 20 21 45 64  |nts both the !Ed|
00007120  69 74 20 73 74 79 6c 65  20 63 6f 70 79 2f 6d 6f  |it style copy/mo|
00007130  76 65 20 61 6e 64 20 74  68 65 20 45 6d 61 63 73  |ve and the Emacs|
00007140  20 73 74 79 6c 65 20 70  61 73 74 65 2f 79 61 6e  | style paste/yan|
00007150  6b 2e 0a 0a 54 68 65 20  21 45 64 69 74 20 6d 65  |k...The !Edit me|
00007160  74 68 6f 64 3a 20 54 6f  20 6d 6f 76 65 20 61 20  |thod: To move a |
00007170  72 65 67 69 6f 6e 20 74  6f 20 74 68 65 20 63 75  |region to the cu|
00007180  72 73 6f 72 20 70 6f 73  69 74 69 6f 6e 20 70 72  |rsor position pr|
00007190  65 73 73 20 63 74 72 6c  2d 56 2e 20 54 6f 0a 63  |ess ctrl-V. To.c|
000071a0  6f 70 79 20 61 20 72 65  67 69 6f 6e 20 70 72 65  |opy a region pre|
000071b0  73 73 20 63 74 72 6c 2d  43 2e 0a 0a 54 68 65 20  |ss ctrl-C...The |
000071c0  45 6d 61 63 73 20 6d 65  74 68 6f 64 3a 20 54 6f  |Emacs method: To|
000071d0  20 6d 6f 76 65 20 61 20  72 65 67 69 6f 6e 20 63  | move a region c|
000071e0  75 74 20 69 74 20 77 69  74 68 20 63 74 72 6c 2d  |ut it with ctrl-|
000071f0  58 20 61 6e 64 20 74 68  65 6e 20 70 61 73 74 65  |X and then paste|
00007200  20 69 74 20 77 69 74 68  0a 63 74 72 6c 2d 59 20  | it with.ctrl-Y |
00007210  28 74 68 65 20 75 6e 64  6f 20 62 75 66 66 65 72  |(the undo buffer|
00007220  20 6d 75 73 74 20 62 65  20 6f 6e 20 74 6f 20 64  | must be on to d|
00007230  6f 20 74 68 69 73 29 2e  20 54 6f 20 63 6f 70 79  |o this). To copy|
00007240  20 61 20 72 65 67 69 6f  6e 2c 20 67 72 61 62 20  | a region, grab |
00007250  69 74 0a 77 69 74 68 20  73 68 69 66 74 2d 63 74  |it.with shift-ct|
00007260  72 6c 2d 57 20 28 45 6d  61 63 73 20 6d 65 74 61  |rl-W (Emacs meta|
00007270  2d 57 29 20 61 6e 64 20  70 61 73 74 65 20 69 74  |-W) and paste it|
00007280  20 77 69 74 68 20 63 74  72 6c 2d 59 2e 20 50 72  | with ctrl-Y. Pr|
00007290  65 73 73 20 73 68 69 66  74 2d 63 74 72 6c 2d 59  |ess shift-ctrl-Y|
000072a0  0a 28 45 6d 61 63 73 20  6d 65 74 61 2d 59 29 20  |.(Emacs meta-Y) |
000072b0  74 6f 20 63 79 63 6c 65  20 74 68 72 6f 75 67 68  |to cycle through|
000072c0  20 74 68 65 20 70 72 65  76 69 6f 75 73 6c 79 20  | the previously |
000072d0  64 65 6c 65 74 65 64 20  72 65 67 69 6f 6e 73 2e  |deleted regions.|
000072e0  20 41 6c 73 6f 20 6e 6f  74 65 0a 74 68 61 74 20  | Also note.that |
000072f0  6d 75 6c 74 69 70 6c 65  20 70 72 65 73 73 65 73  |multiple presses|
00007300  20 6f 66 20 63 74 72 6c  2d 4b 20 6f 72 20 46 31  | of ctrl-K or F1|
00007310  30 20 70 72 6f 64 75 63  65 20 64 61 74 61 20 77  |0 produce data w|
00007320  68 69 63 68 20 63 61 6e  20 62 65 20 79 61 6e 6b  |hich can be yank|
00007330  65 64 20 62 79 0a 63 74  72 6c 2d 59 2e 0a 0a 41  |ed by.ctrl-Y...A|
00007340  6e 6f 74 68 65 72 20 77  61 79 20 74 6f 20 63 6f  |nother way to co|
00007350  70 79 20 74 65 78 74 20  69 73 20 76 69 61 20 74  |py text is via t|
00007360  68 65 20 43 4f 50 59 20  6b 65 79 2e 20 54 68 69  |he COPY key. Thi|
00007370  73 20 69 73 20 66 61 73  74 65 72 20 66 6f 72 20  |s is faster for |
00007380  63 6f 70 79 69 6e 67 0a  73 6d 61 6c 6c 20 73 65  |copying.small se|
00007390  63 74 69 6f 6e 73 20 6f  66 20 6f 74 68 65 72 20  |ctions of other |
000073a0  6c 69 6e 65 73 2e 20 46  69 72 73 74 20 70 72 65  |lines. First pre|
000073b0  73 73 20 74 68 65 20 43  4f 50 59 20 6b 65 79 20  |ss the COPY key |
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00007980  4e 53 45 52 54 20 61 6e  64 20 49 4e 53 45 52 54  |NSERT and INSERT|
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000079e0  20 66 69 72 73 74 2e 0a  0a 2a 2a 2a 2a 2a 2a 2a  | first...*******|
000079f0  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
*
00007a30  2a 2a 0a 2a 20 53 65 63  74 69 6f 6e 20 43 3a 45  |**.* Section C:E|
00007a40  64 69 74 69 6e 67 20 42  41 53 49 43 20 2d 20 50  |diting BASIC - P|
00007a50  4c 45 41 53 45 20 52 45  41 44 2a 0a 2a 2a 2a 2a  |LEASE READ*.****|
00007a60  2a 2a 2a 2a 2a 2a 2a 2a  2a 2a 2a 2a 2a 2a 2a 2a  |****************|
*
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00007ad0  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 2d  |----------------|
00007ae0  0a 0a 54 68 65 72 65 20  61 72 65 20 65 73 73 65  |..There are esse|
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00007c20  4d 42 45 2e 0a 54 68 6f  73 65 20 70 65 6f 70 6c  |MBE..Those peopl|
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00007f00  72 65 74 75 72 6e 20 63  6f 6e 66 69 67 20 6d 6f  |return config mo|
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00008160  61 73 69 63 26 31 46 46  42 42 41 53 49 43 0a 0a  |asic&1FFBBASIC..|
00008170  74 6f 20 72 65 61 64 3a  0a 0a 42 61 73 69 63 26  |to read:..Basic&|
00008180  31 46 46 42 42 41 53 54  58 54 0a 0a 49 6e 20 74  |1FFBBASTXT..In t|
00008190  68 69 73 20 6d 6f 64 65  2c 20 77 68 65 6e 65 76  |his mode, whenev|
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000081e0  73 74 72 69 70 65 64 2e  20 53 61 76 69 6e 67 20  |striped. Saving |
000081f0  69 73 20 74 68 65 20 63  6f 6e 76 65 72 73 65 2e  |is the converse.|
00008200  20 50 6c 65 61 73 65 20  6e 6f 74 65 20 74 68 61  | Please note tha|
00008210  74 20 69 66 20 74 68 65  20 70 72 6f 67 72 61 6d  |t if the program|
00008220  0a 63 6f 6e 74 61 69 6e  65 64 20 6c 69 6e 65 20  |.contained line |
00008230  6e 75 6d 62 65 72 20 72  65 66 65 72 65 6e 63 65  |number reference|
00008240  73 2c 20 74 68 65 6e 20  5a 61 70 20 77 69 6c 6c  |s, then Zap will|
00008250  20 62 65 65 70 20 62 65  66 6f 72 65 20 66 6f 72  | beep before for|
00008260  63 69 6e 67 20 74 68 65  20 42 41 53 49 43 0a 6d  |cing the BASIC.m|
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0000e800  20 61 20 75 73 65 66 75  6c 20 70 72 6f 67 72 61  | a useful progra|
0000e810  6d 2e 0a 0a 44 6f 6d 69  6e 69 63 20 53 79 6d 65  |m...Dominic Syme|
0000e820  73 0a 4d 61 72 63 68 20  31 39 39 34 0a           |s.March 1994.|
0000e82d

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