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1993-06-01
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DMODE
version 1.04
01-Jun-93
(c) 1993, David C. McMasters, All Rights Reserved
This product is distributed as SHAREWARE. Payment is expected for
continued use of this product after the 30 day evaluation period.
Send $5.00 US, check or currency only, to:
David C. McMasters
1528 James Street
Monroeville, PA 15146
DMODE is a variation of the DOS MODE command dedicated to servicing the
serial ports on a PC compatible computer. DMODE does not support the
video features of MODE. What DMODE does do is allow the user to program
baud rates from 50 to 115200 bps. Additionally, and perhaps more
importantly, DMODE allows you to check the current configuration of your
serial ports.
COM3 and COM4 are also supported. The 'standard' port addresses are
assumed for these ports (3E8h and 2E8h). If your system uses addresses
other than these, write me with the addresses used and a blank diskette
and the $5.00 registration fee and I will send you a modified version of
DMODE.
The syntax of the DMODE utility is:
>DMODE comX:baud,parity,data,stop
or
>DMODE comX
comX: communication port to be set or checked (1,2,3,4);
baud: 115200, 57600, 38400, 19200, 9600, 7200, 4800, 3600,
2400, 2000, 1800, 1200, 600, 300, 150, 134.5, 75, 50;
parity: none, even or odd (N, E, O);
data: 5, 6, 7 or 8 data bits;
stop: 1 or 2 stop bits.
Ex. To select 19200 bps, no parity, 8 data bits and 1 stop bit on com1,
>DMODE com1:19200,N,8,1
To check the current settings of a communication port, issue the DMODE
with just the com port.
>DMODE com2
To check the settings of all com ports on your system, type >DMODE *.
You may optionally specify the baud rate with just the first two
characters (as with DOS MODE), i.e. 19200 may be represented as 19 and
134.5 as 13.
Typing DMODE by itself on the command line will print a usage screen so that
you don't have to constantly refer to this document.
What's New?
1.04 01-Jun-93 Fix baud rate list in online help.
1.03 20-Sep-91 Add 'dmode *' feature which shows the status of all ports
present.
1.02 24-Jul-91 Fixed a bug which overwrote a register in the UART.
1.01 24-Jul-91 Add 115200 bps, correct 56000 to 57600, and,
No Release unfortunately, removed 110 bps. In order to be somewhat
compatible with DOS MODE, DMODE supports two character
baud rate names. 115200 and 110 share the same first two
characters. If you really need 110 bps, let me know.
1.00 23-Jul-91 First release. No Errors!!!!