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 INT 15h, 1014h  - TopView - "FREEBIT" - Undefine a 2nd-level interrupt handler
 INT 15h, 1015h  - TopView - "SETBIT" - Schedule one or more 2nd-level interrupts
 INT 15h, 1016h  - TopView - "ISOBJ" - Verify object handle
 INT 15h, 1017h  - TopView - Unimplemented in dv 2.x
 INT 15h, 1018h  - TopView - "LOCATE" - Find window at a given screen location
 INT 15h, 1019h  - TopView - "SOUND" - Make tone
 INT 15h, 101Ah  - TopView - "OSTACK" - Switch to task's internal stack
 INT 15h, 101Bh  - TopView - "BEGINC" - Begin critical region
 INT 15h, 101Ch  - TopView - "ENDC" - End critical region
 INT 15h, 101Dh  - TopView - "STOP" - Stop task
 INT 15h, 101Eh  - TopView - "START" - Start task
 INT 15h, 101Fh  - TopView - "DISPEROR" - POP-UP Error window
 INT 15h, 1020h  - TopView - Unimplemented in dv 2.0x
 INT 15h, 1021h  - TopView - "PGMINT" - Interrupt another task
 INT 15h, 1022h  - TopView - "GETVER" - Get version
 INT 15h, 1023h  - TopView - "POSWIN" - Position window
 INT 15h, 1024h  - TopView - "GETBUF" - Get virtual screen info
 INT 15h, 1025h  - TopView - "USTACK" - Switch back to user's stack
 INT 15h, 11h  - TopView commands
 INT 15h, 12h  - TopView - SEND MESSAGE - "HANDLE" - Return object handle
 INT 15h, 12h  - TopView - SEND MESSAGE - "NEW" - Create new object
 INT 15h, 12h  - TopView - SEND MESSAGE - "FREE" - Free an object
 INT 15h, 12h  - TopView - SEND MESSAGE - "DIR" - Get panel file directory
 INT 15h, 12h  - TopView - SEND MESSAGE - "ADDR" - Get object handle
 INT 15h, 12h  - TopView - SEND MESSAGE - "READ" - Wait for timer to expire
 INT 15h, 12h  - TopView - SEND MESSAGE - "READ" - Get next record
 INT 15h, 12h  - TopView - SEND MESSAGE - "APPLY" - Write panel to window
 INT 15h, 12h  - TopView - SEND MESSAGE - "WRITE" - Write to object
 INT 15h, 12h  - TopView - SEND MESSAGE - "WRITE" - Write string to window
 INT 15h, 12h  - TopView - SEND MESSAGE - "SIZEOF" - Get object size
 INT 15h, 12h  - TopView - SEND MESSAGE - "LEN" - Get object length
 INT 15h, 12h  - TopView - SEND MESSAGE - "ADDTO" - Set object bits
 INT 15h, 12h  - TopView - SEND MESSAGE - "SUBFROM" - Reset object bits
 INT 15h, 12h  - TopView - SEND MESSAGE - "OPEN" - Open object
 INT 15h, 12h  - TopView - SEND MESSAGE - "CLOSE" - Close object
 INT 15h, 12h  - TopView - SEND MESSAGE - "ERASE" - Erase object
 INT 15h, 12h  - TopView - SEND MESSAGE - "STATUS" - Get object status
 INT 15h, 12h  - TopView - SEND MESSAGE - "EOF" - Get object eof status
 INT 15h, 12h  - TopView - SEND MESSAGE - "AT" - Position object cursor
 INT 15h, 12h  - TopView - SEND MESSAGE - "SETNAME" - Assign name to mailbox
 INT 15h, 12h  - TopView - SEND MESSAGE - "SETSCALE" - Set pointer scale factor
 INT 15h, 12h  - TopView - SEND MESSAGE - "READN" - Get next n object bytes
 INT 15h, 12h  - TopView - SEND MESSAGE - "GETSCALE" - Get pointer scale factor
 INT 15h, 12h  - TopView - SEND MESSAGE - "REDRAW" - Redraw window
 INT 15h, 12h  - TopView - SEND MESSAGE - "SETICON" - Specify pointer icon
 INT 15h, 12h  - TopView - SEND MESSAGE - "SETESC" - Set escape routine address
 INT 15h, 12h  - TopView - SEND MESSAGE - "LOCK" - Request exclusive access to resource
 INT 15h, 10h - DESQview (TopView???) - Unimplemented in dv 2.x
 INT 15h, 102Bh - DESQview 2.0 (TopView???) - "POSTTASK" - Awaken task
 INT 15h, 102Ch - DESQview 2.0 (TopView???) - Start new application in new process
 INT 15h, 102Dh - DESQview 2.0 - Keyboard mouse control
 INT 15h, 1117h - DESQview 2.2 - "ASSERTMAP" - Get/set mapping context
 INT 15h, 11DEh - DESQview - XDV.COM - Installation check
 INT 15h, 12h - DESQview 2.2 - SEND MESSAGE - Set priority
 INT 15h, 12h - DESQview 2.2 - SEND MESSAGE - Get priority
 INT 15h, 12h - DESQview 2.2 - SEND MESSAGE - Set flags
 INT 15h, 12h  - DESQview 2.2 - SEND MESSAGE - Get flags
 INT 15h, DE00h - DESQview - Get program name
 INT 15h, DE01h - DESQview - Update "open window" menu
 INT 15h, DE02h - DESQview 1.x only - Set ??? flag for current window
 INT 15h, DE03h - DESQview 1.x only - Get ??? for current window
 INT 15h, DE04h - DESQview - Get available common memory
 INT 15h, DE05h - DESQview - Get available conventional memory
 INT 15h, DE06h - DESQview - Get available expanded memory
 INT 15h, DE07h - DESQview - "APPNUM" - Get current program's number
 INT 15h, DE08h - DESQview - Get ???
 INT 15h, DE09h - DESQview - Unimplemented
 INT 15h, DE0Ah - DESQview 2.x - "DBGPOKE" - Display character on status line
 INT 15h, DE0Bh - DESQview 2.x - "APILEVEL" - Define minimum api level required
 INT 15h, DE0Ch - DESQview 2.x - "GETMEM" - Allocate "system" memory
 INT 15h, DE0Dh - DESQview 2.x - "PUTMEM" - Deallocate "system" memory
 INT 15h, DE0Eh - DESQview 2.x - Find mailbox by name
 INT 15h, DE0Fh - DESQview 2.x - Enable desqview extensions
 INT 15h, DE10h - DESQview 2.x - "PUSHKEY" - Put key into keyboard input stream
 INT 15h, DE11h - DESQview 2.x - Enable/disable automatic justification of window
 INT 15h, DE12h - DESQview 2.01+ - Set ???
 INT 15h, DE13h - DESQview 2.2 - Get critical nesting count
 INT 15h, DE14h - DESQview 2.2 - Get object type
 INT 15h, DE15h - DESQview 2.2 - Set mailbox error handling
 INT 15h, DE16h - DESQview 2.2 - Get mailbox error handling
 INT 15h, DE17h - DESQview 2.2 - reserved
 INT 15h, DE18h - DESQview 2.2 - ???
 INT 15h, 00h    VMiX v2+ - INSTALLATION CHECK???
 INT 15h, 01h    VMiX - I/O CHANNEL OBJECT MANAGER
 INT 15h, 02h    VMiX - MEMORY OBJECT MANAGER
 INT 15h, 03h    VMiX - PROMPTED CONSOLE INPUT
 INT 15h, 04h    VMiX - VPRINTF
 INT 15h, 05h    VMiX - GET PROCESS ID OF CURRENT PROCESS
 INT 15h, 06h   VMiX - GET POINTER TO PROCESS CONTROL BLOCK
 INT 15h, 07h    VMiX - GET POINTER TO OBJECT CONTROL BLOCK
 INT 15h, 0Ah    VMiX - GET ID OF NEXT QUEUED ELEMENT
 INT 15h, 0Bh    VMiX - GET TOTAL NUMBER OF ACTIVE PROCESSES
 INT 15h, 0Ch    VMiX - GET POINTER TO PROCESS TSS STACK
 INT 15h, 0Dh    VMiX - START A CHILD PROCESS JOB SHELL
 INT 15h, 0Eh    VMiX - TERMINATE PROCESS
 INT 15h, 0Fh    VMiX - GET KEY FIELD OF QUEUED ELEMENT
 INT 15h, 10h    VMiX - EXECUTE FUNCTION IN PROTECTED MODE
 INT 15h, 11h - VMiX - Execute shell system commands
 INT 15h, 12h - VMiX - Put process to sleep
 INT 15h, 13h - VMiX - Wake process
 INT 15h, 14h - VMiX - Clear window
 INT 15h, 15h - VMiX - Set banner window message
 INT 15h, 16h - VMiX - Set root window size and home cursor
 INT 15h, 17h - VMiX - Get console window colors
 INT 15h, 18h - VMiX - Set console colors
 INT 15h, 19h - VMiX v2+ - ???
 INT 15h, 1Ah - VMiX v2+ - ???
 INT 15h, 1Bh - VMiX v2+ - ???
 INT 15h, 1Ch - VMiX v2+ - ???
 INT 15h, 1Dh - VMiX v2+ - ???
 INT 15h, 1Eh - VMiX v2+ - ???