The following ASSEMBLY routines were written for use with Clipper.
Source code and .OBJ files (MASM v4.0 was used to compile) are included
in this .ARC file.


FILE NAME: BOOT.ASM
AUTHOR: F. Ho
SYNTAX: CALL BOOTIT
NOTES: Reboots the system.


FILE NAME: CLEARBOX.ASM
AUTHOR: F. Ho
SYNTAX: DO CLEARIT WITH 1,2,3,4
NOTES: Clears that part of the screen specified by the coordinates.


FILE NAME: COMM_IO.ASM
AUTHOR: Curt Klinsing, modified by Patrick Jonte
SYNTAX:
NOTES: Clipper Communication for Com1:
A set of Clipper W85 callable functions to support interrupt
driven character I/O on the IBM PC. Input is buffered, output
is polled.


FILE NAME: CRSONOF.ASM
AUTHOR: F. Ho
SYNTAX: DO CURSON
DO CURSOF
NOTES: Turns the cursor ON and OFF for color monitor.


FILE NAME: CURSOR.ASM
AUTHOR: Kelly McTiernan
SYNTAX: CALL CURSW
NOTES: Toggle to turn cursor on and off for IBM PC ONLY.


FILE NAME: DEVICE.ASM
AUTHOR: Neil Weicher, Communication Horizons
SYNTAX: CALL DEVICE WITH
NOTES: Redirects printer output to the specified device or file.


FILE NAME: DRV_STAT.ASM
AUTHOR: Kelly McTiernan
SYNTAX: CALL DRSTAT WITH DR,ST
NOTES: Uses the lowest level BIOS interrupt for disk I/O to
determine the status of the disk drive.


FILE NAME: EXTENDCL.ASM
AUTHOR: Mark Fanara
SYNTAX:
NOTES: User-defined functions in 8086 assembly for Clipper
- INIT_PRN : procedure to initialize printer
- CURSOR_ON : procedure to turn cursor on
- CURSOR_OFF : procedure to turn cursor off


FILE NAME: KEYLOCK.ASM
AUTHOR: F. Ho
SYNTAX: ? LOCKSTAT()
NOTES: Returns current status of the 4 "lock" keys in the form - ICNS.


FILE NAME: LOGICLP.ASM
AUTHOR: Patrick Jonte
SYNTAX:
NOTES: Perform bit operations on numeric variables such as AND, OR,
NOT, XOR on long integers.


FILE NAME: NUMDRV.ASM
AUTHOR: F. Ho
SYNTAX: ? DRIVE()
NOTES: Returns the number of logical drives for that system.


FILE NAME: NUMLOCK.ASM
AUTHOR: Dennis Dias
SYNTAX: DO numon
DO numoff
NOTES: Toggles NUMLOCK ON and OFF.


FILE NAME: NUM_DRVS.ASM
AUTHOR: Kelly McTiernan
SYNTAX: CALL NUMDSK WITH NDRV
NOTES: Returns the number of logical drives available on the machine
in question.


FILE NAME: PRTSCR.ASM
AUTHOR: F. Ho
SYNTAX: CALL PRTSCR
NOTES: Prints a screen image.


FILE NAME: PR_STAT.ASM
AUTHOR: Kelly McTiernan
SYNTAX:
NOTES: Determines the current status of the printer (parallel) on
IBM compatibles.


FILE NAME: ROLLSCRN.ASM
AUTHOR: F. Ho
SYNTAX: DO ROLLUP WITH 1,2,3,4
DO ROLLDN WITH 1,2,3,4
NOTES: Rolls UP or DOWN that part of the screen specified by the
coordinates.


FILE NAME: TURNIT.ASM
AUTHOR: F. Ho
SYNTAX: ? TURN(expC)
NOTES: Reverses the order of the character string passed (max 60 chars).