182 lines
6.3 KiB
Plaintext
182 lines
6.3 KiB
Plaintext
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TURBO HELP UTILITY
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------------------
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This file explains how to use THELP.COM. THELP is a memory-resident
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utility that provides online help for Turbo Pascal and Turbo C++. If you
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are using Turbo Debugger, for example, you can load THELP, then run
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the debugger and get online help for Pascal or C while you are
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debugging.
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Table of Contents
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-----------------
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1. Starting THELP
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2. Command-line Options Summary
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3. Detailed Explanation of Keys Used When THELP is Active
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4. Detailed Explanation of Command line Options
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1. Starting THELP
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------------------
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Load THELP at the DOS command line simply by typing THELP. Make sure
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the Turbo help file is in the current directory or use the /F command
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line option described below. The INSTALL program on the distribution
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disks inserts the correct path information in THELP.
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Memory Usage - THELP requires about 20K bytes.
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Default hotkey - The default hotkey is Numeric-Keypad-5 (scan
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code 4ch, shift state 00h).
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Paste speed - The default pasting speed is FAST. You'll have
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to experiment if it pastes too quickly for your
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editor. Note that you should turn off autoindent
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in the integrated environment before using the
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paste feature.
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If you are using SideKick Plus or SideKick 1.x, make sure you
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load THELP before you load SideKick.
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2. Command-line Options Summary
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-------------------------------
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USAGE: THELP [options]
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Here is a summary of the command line options. If you use more
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than one option, they must be separated by spaces.
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/Fname Full path and filename of help file
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/H,/?,? Display this help screen
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/Kxxyy Change hotkey: xx=shift state(hex),
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yy=scan code(hex)
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/Px Pasting speed: 0=slow, 1=medium, 2=fast
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/S+ Enable snow checking for video (useful for older CGA adapters).
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/S- Disable snow checking for video (for snappier displays).
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/U Remove THELP from memory
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/W Write Options to THELP.COM and exit
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3. Detailed Explanation of Keys Used When THELP is Active
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---------------------------------------------------------
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Arrow keys: Moves the cursor.
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PgUp/PgDn: Moves the cursor.
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Shift-Arrow keys: Moves the cursor while marking a block.
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TAB: Moves the cursor to the next keyword.
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Shift-TAB: Moves the cursor to the previous keyword.
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HOME: Go to the beginning of the line.
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END: Go to the end of the line.
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ENTER: Select help entry for the item highlighted in the
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current help screen.
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ESC: End Help.
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F1: Help Index. F1 from any help screen brings up
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the Help Index. You can search for a specific keyword
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incrementally. For example, you can find "printf" by
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typing p r i. With each letter you type, the list
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jumps to the keyword that starts with p, then to pr,
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then to pri, etc.
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ALT-F1: Displays in reverse order the last 20 screens you
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have reviewed.
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CTL-F1: Bring up help screen for THELP's hot keys.
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CTRL-P key: Paste the example text into the application.
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4. Detailed Explanation of Command-line Options
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------------------------------------------------
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/Fname -- Full path and filename of help file
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The name that follows the /F option should be the full
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drive/directory pathname of the help file to use; e.g.,
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THELP /FC:\TP\TURBO.HLP
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THELP /FC:\TURBOC\TCHELP.TCH
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By default, THELP looks for the help file on the logged drive and
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directory.
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/H,/?,? -- Display help screen
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This option displays a summary of THELP's command-line options
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/Kxxyy -- Change hotkey: xx=shift state, yy=scan code
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Virtually any shift state/scan code combination may be selected. A
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quick summary of some common shift-states and scan codes follows:
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Shift States (may be OR'ed together)
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right shift 01h
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left shift 02h
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control 04h
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alt 08h
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Scan Codes
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A --- 1eh N --- 31h 0 --- 0bh F1 --- 3bh
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B --- 30h O --- 18h 1 --- 02h F2 --- 3ch
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C --- 2eh P --- 19h 2 --- 03h F3 --- 3dh
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D --- 20h Q --- 10h 3 --- 04h F4 --- 3eh
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E --- 12h R --- 13h 4 --- 05h F5 --- 3fh
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F --- 21h S --- 1fh 5 --- 06h F6 --- 40h
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G --- 22h T --- 14h 6 --- 07h F7 --- 41h
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H --- 23h U --- 16h 7 --- 08h F8 --- 42h
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I --- 17h V --- 2fh 8 --- 09h F9 --- 43h
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J --- 24h W --- 11h 9 --- 0ah F10 --- 44h
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K --- 25h X --- 2dh
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L --- 26h Y --- 15h
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M --- 32h Z --- 2ch
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Enhanced Keyboards only (may not work with all computers, keyboards)
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F11 --- 57h
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F12 --- 58h
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/Px -- Pasting speed: 0=slow, 1=medium, 2=fast
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Some editors do not accept characters pasted into the keyboard buffer
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as fast as THELP can put them there. By setting an appropriate paste
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speed, virtually all possible configurations of editors may be used.
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FAST speed pastes as many characters as will fit on every timer tick;
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MEDIUM pastes up to four characters per tick; and SLOW pastes a single
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character into the buffer ONLY when the buffer is empty.
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/S -- Controls snow checking logic for video.
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Some older CGA have a tendency to produce a "snow" effect when
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software tries to write directly into their memory space. If you see
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this snow you should start up THELP with /S+ to enable the snow
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checking code. You may want to use the /W switch (see below) to make
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it permanent. Snow checking takes time and it is better to live
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without it. To disable snow checking use /S-; this is the default.
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/U -- Remove THELP from memory
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This option is used to remove THELP from memory. If other TSRs have
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been loaded after THELP, make sure to remove them before removing
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THELP.
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/W -- Write Options to THELP.COM and exit
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The /W parameter is used to create a new version of THELP that uses
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the options you desire as a default. All options, including may be
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specified and made 'permanent'.
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