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t.dt128 docs 1
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2022-08-28
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D A V E ' S T E R M 1 2 8
by David Jansen
Clock Functions
---------------
This module automatically loads when DT128 is booted. This module may also
be entered from the main menu "Clock Utility."
Set Time:
Select this to set the real time clock.
Display Clock:
Use this to turn the clock display on or off.
Display Connect Time:
If "Yes" each time you are online the clock display is an online timer.
If "No" real time is displayed continuously.
System Date:
This option allows you to set the system date. Use the CRSR or arrow up
and down keys to adjust each field. Press RETURN to move on to the next
field. No verification is done (you could set the date to February 31st,
which is invalid, so make sure you enter a proper date).
1541 Module
-----------
This module adds fast disk access routines to the program for 1541 users.
This is very useful to speed up almost all disk access throughout the
program. This module is recommended for use while uploading and
downloading (you'll notice a significant increase in transfer speed). This
module is in the "Special Disk Functions" submenu. Once loaded you can
toggle high speed disk access on and off with the second option. If you
attempt to access any device other than a 1541 the module is bypassed and
standard ROM routines are used.
Getting Started
---------------
The first thing you should do is check the settings in both the RS-232
menu and the "Configure RS-232" module. You should also read the Keyboard
file as it contains important information about your keyboard.
1. Check the modem initialization string.
Required:
A. Always use response codes.
B. Always use verbose response codes rather than terse.
C. Set the carrier wait time to 255 seconds. This gives full carrier
control to the program.
D. The response code set should be the most extended set your modem
uses.
For Hayes modems use "X4", for the newer version 1670 use "X2", and
for the older version 1670 use "X1".
E. Disable auto-answering.
F. Set the modem duplex to full.
Optional (preferred):
G. Set the modem's echo to "No". If you need an echo use the local
echo in "Terminal Options".
H. Set the speaker status to whatever you prefer.
I. Select the character to use for the modem escape sequence. This
value MUST match the value in the RS-232 configuration module.
If you decide to change this value follow these steps exactly:
1. Change the modem initialization string to the new character.
2. Initialize the modem.
3. Enter the RS-232 configuration module and set the modem
escape code to the same as in the modem string.
ATE0X2V1M1F1Q0S0=0S2=43S7=255
GGDDBBHHFFAAEEEEIIIIICCCCCC (match with letters above).
You may add additional commands to the string.
2. Enter the "Configure RS-232" menu.
The following settings are recommended:
For the older version 1670:
Modem String - ATE0X1V1M1F1Q0S0=0S2=43S7=255
C128 Recognizes DTR - No (required)
Recognize SI line - No (required)
SI Low BPS - 1200 (not used by this modem)
Modem Type - 1670 (required)
Escape Code - 043
Handshaking Mode - 3-line
Duplex - Full
Carrier Detect - Inverted (required)
Default Connect BPS - 1200
Busy/Voice = No Carrier - No (not used by this modem)
Maximum BPS - 1200
Answer BPS - 300
For the newer version 1670:
Modem String - ATE0X2V1M1F1Q0S0=0S2=43S7=255
C128 Recognizes DTR - No (can be either, but if you set this to
yes make sure the DTR Dip switch is up)
Recognize SI line - Yes
SI Low BPS - 1200 (required)
Modem Type - Hayes
Escape Code - 043
Handshaking Mode - 3-line
Duplex - Full
Carrier Detect - Inverted (Required)
Default Connect BPS - 1200
Busy/Voice = No Carrier - No (not used by this modem)
Maximum BPS - 1200
Answer BPS - 300
For the Packard Bell PB2400PLUS:
Modem String - AT&C2&D2E0X4V1M1F1Q0S0=0S2=43S7=255
C128 Recognizes DTR - Yes
Recognize SI line - No
SI Low BPS - 2400
Modem Type - Hayes
Escape Code - 043
Handshaking Mode - 3-line
Duplex - Full
Carrier Detect - Normal (depends on your interface - if carrier
is opposite of what it should be then switch this to inverted)
Default Connect BPS - 1200 (set to the baud rate most likely
expected from callers)
Busy/Voice = No Carrier - Yes
Maximum BPS - 2400
Answer BPS - 2400
Other modems may vary. See the RS232 section of "Docs 4" for detailed
explanations of how these settings work.
That's it for the modem configuration.
At this point you can modify any of the system defaults such as screen
colors, character colors, etc. You should also set the dialing mode in the
"Phone Directory" menu.
To make these changes permanent you must enter the "Display Parameters"
option in the main menu and then select the "Configure System" option.
Select the "Create Configuration File" which will create the file "usr2.0"
on your system disk. If you wish to return to the standard defaults you
only need to scratch "usr2.0" and re-boot.
Terminal Mode
-------------
This is where you communicate with other computer systems. DT128 features
seven different terminal emulations: ASCII, VT-52, VT-100, C/G, DataMedia
1500, ProTerm Special w/music, and Ansi. One interesting feature of this
program is that you can leave terminal mode and still receive characters
while online. Terminal printing continues no matter where you are in the
menus with these exceptions: if you do any serial I/O (disk drives,
printers, etc) while receiving characters from the modem (C128's can't do
both simultaneously), while in the ML monitor, or while viewing a high-
resolution picture. If you need to use any of these functions be sure you
are offline or that the other system has stopped transmitting (most ASCII
systems can be stopped by typing CTRL-S [use the no scroll key while in
terminal mode] and type CTRL-Q to restart). In terminal mode the keyboard
is an ASCII keyboard (unless you are in C/G mode where the "normal" C128
keyboard is active).
Terminal mode uses a 25 row display except for color graphics which is
limited to 24.
Many display parameters can be changed while in terminal mode by pressing
the Alt key with a lettered key.
Commodore/Alt Key Functions:
A - Archive Menu/Insert Mode N - Character Color/Background Color
B - Backspace Type/Buffer Menu O - Buffer Open/Reverse Video Screen
C - 40-80 Columns/Term Calculator P - Toggle Keypad/Phone Directory
D - Download Menu/Disk Functions Q - Transfer Screen to Capture Buffer
E - Local Echo/Remote Echo R - Redial Phone Numbers/Rs-232 Menu
F - Flash Attribute/Undefined S - Buffer to Screen/Display Params
G - Enter Graphic Character/Undef'd T - Terminal Emulation/Terminal Opts
H - Remote Backspace Type/Hangup U - Upload Menu/Underline Attribute
I - Inverse Attribute/Undefined V - Exit to Module/View Hi-Res
J - Undefined/Undefined W - Terminal Word Wrap/Receive a Call
K - Keyboard/Clear Capture Buffer X - Exit Term Mode/Real-Connect Time
L - Local Linefeeds/Rem. Linefeeds Y - Undefined/Send DIR to modem
M - Buffer to Modem/Enter Monitor Z - Undefined/Send Real Time to Modem
Alt-V: The short Alt-V command is a common exit point from terminal mode.
It allows you to enter the View Ansi, C/G40, Macro, Scroll Back,
Term Input, and Scripts modules directly from terminal mode.
In color graphics mode only the Alt key can be used for these
commands.
Some keys have secondary functions. These functions are the second one
listed (follows the "/") for a lettered command. The second function is
accessed by holding down the ALT key continuously for 1 second. This is a
"long" Alt key function. For example, while in terminal mode press Alt-d,
release both ALT and "d" and you will enter the download menu. Go back to
terminal mode and press Alt-d, release the "d" but do not release the Alt
key. After 1 second, you will enter the "Disk Functions" menu.
The "HELP" key is a "BREAK" key. Press it for less tha