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-
- BRKBOX by Tim Burmeister
-
- V1.1 fixed snow when using IBM color card
- detects monochrome monitor automatically and changes display to all white
- removed time out error indicator - replaced with transmit indicator
- can use on second serial port
-
- SYNTAX
-
-
- BRKBOX -for com1 will display graphic screen if you have a color monitor
- BRKBOX= -for com1 no graphic screen (good for batch files)
- BRKBOX 2 -for com2 will display graphic screen if you have a color monitor
- BRKBOX=2 -for com2 no graphic screen (good for batch files)
-
- (if you have a monodisplay the graphics intro is not displayed)
-
- ERROR BEEPS
-
- STEADY TONE error in the parameters you gave it
- PULSED TONE program is already installed
-
- NOTES
- Uses interupt 1C
- uses less than 1k memory
- writes screen only during vertical retrace
- If the com port has not been initialized you wont see any display
- NO DISPLAY ????
- Try putting your modem in ALB or if you dont have com2 port type brkbox 2
- and you will see the display (although it wont mean anything)
-
-
- This program will display in the upper right hand side of display
- the active (SPACE, CONTROL ON, POSITIVE VOLTAGE) RS232 signals. The DTE
- generated signals are displayed in red, the DCE in green, also uart errors
- are shown in white. ***** NOTE if you have a mono display everything is white
-
- DISPLAY DEFINTIONS
- TXD TRANSMIT DATA
- FRM FRAMING ERROR
- PAR PARITY ERROR
- OVR OVERRUN ERROR
- CD Recieve Line Signal Detected --CARRIER DETECTED
- RNG RING INDICATOR
- DSR DATASET READY
- CTS CLEAR TO SEND
- DTR DATA TERMINAL READY
- RTS REQUEST TO SEND
-
- This program installs itself in memory and the display can be toggled off and
- on by depressing the ALT AND LEFT HAND SHIFT KEYS simultaeneously.
-
- The display is turned on initialy (if you dont see anything put your modem
- into analog or local loopback). Since this routine is active only about 18
- times per second it will not catch all error conditions that may occur
- during a normal communications session.
-
- IT HAS BEEN KNOWN TO CAUSE INTERFERENCE WITH COM PROGRAMS AT 9600 BAUD
-
- **********************************************************************
- If the display is active while accessing a HALF-HEIGHT floppy drive
- it causes data errors. If so toggle the display off while accessing
- the floppy.If anyone has any info about this I would appreciate hearing from you.
-
-
- I would like to hear your comments and suggesstions
-
- Tim Burmeister