1510 INT 15 - VMiX - "sys_virtual" - EXECUTE CONFORMING FUNCTION IN PROTECTED MODE
1510 INT 15 - MultiDOS Plus - TEST RESOURCE SEMAPHORE
151000 INT 15 - TopView - "PAUSE" - GIVE UP CPU TIME
151001 INT 15 - TopView - "GETMEM" - ALLOCATE "SYSTEM" MEMORY
151002 INT 15 - TopView - "PUTMEM" - DEALLOCATE "SYSTEM" MEMORY
151003 INT 15 - TopView - "PRINTC" - DISPLAY CHARACTER/ATTRIBUTE ON SCREEN
1510 INT 15 - TopView - UNIMPLEMENTED IN DV 2.x
151013 INT 15 - TopView - "GETBIT" - DEFINE A 2ND-LEVEL INTERRUPT HANDLER
151014 INT 15 - TopView - "FREEBIT" - UNDEFINE A 2ND-LEVEL INTERRUPT HANDLER
151015 INT 15 - TopView - "SETBIT" - SCHEDULE ONE OR MORE 2ND-LEVEL INTERRUPTS
151016 INT 15 - TopView - "ISOBJ" - VERIFY OBJECT HANDLE
151017 INT 15 - TopView - UNIMPLEMENTED IN DV 2.x
151018 INT 15 - TopView - "LOCATE" - FIND WINDOW AT A GIVEN SCREEN LOCATION
151019 INT 15 - TopView - "SOUND" - MAKE TONE
15101A INT 15 - TopView - "OSTACK" - SWITCH TO TASK'S INTERNAL STACK
15101B INT 15 - TopView - "BEGINC" - BEGIN CRITICAL REGION
15101C INT 15 - TopView - "ENDC" - END CRITICAL REGION
15101D INT 15 - TopView - "STOP" - STOP TASK
15101E INT 15 - TopView - "START" - START TASK
15101F INT 15 - TopView - "DISPEROR" - POP-UP ERROR WINDOW
151020 INT 15 - TopView - UNIMPLEMENTED IN DV v2.00+
151021 INT 15 - TopView - "PGMINT" - INTERRUPT ANOTHER TASK
151022BX0000 INT 15 - TopView - "GETVER" - GET VERSION
151023 INT 15 - TopView - "POSWIN" - POSITION WINDOW
151024 INT 15 - TopView - "GETBUF" - GET VIRTUAL SCREEN INFO
151025 INT 15 - TopView - "USTACK" - SWITCH BACK TO USER'S STACK
1510 INT 15 - DESQview (TopView???) - UNIMPLEMENTED IN DV 2.x
15102B INT 15 - DESQview v2.00+ (TopView???) - "POSTTASK" - AWAKEN TASK
15102C INT 15 - DESQview v2.00+ - "NEWPROC" - START NEW APPLICATION IN NEW PROCESS
15102D INT 15 - DESQview v2.00+ - "KMOUSE" - KEYBOARD MOUSE CONTROL
15102E INT 15 - DESQview v2.40+ - ALLOCATE SYSTEM MEMORY