310B00 INT 31 P - DPMI 0.9+ - SET DEBUG WATCHPOINT
310B01 INT 31 P - DPMI 0.9+ - CLEAR DEBUG WATCHPOINT
310B02 INT 31 P - DPMI 0.9+ - GET STATE OF DEBUG WATCHPOINT
310B03 INT 31 P - DPMI 0.9+ - RESET DEBUG WATCHPOINT