310500 INT 31 P - DPMI 0.9+ - GET FREE MEMORY INFORMATION
310501 INT 31 P - DPMI 0.9+ - ALLOCATE MEMORY BLOCK
310502 INT 31 P - DPMI 0.9+ - FREE MEMORY BLOCK
310503 INT 31 P - DPMI 0.9+ - RESIZE MEMORY BLOCK
310504 INT 31 P - DPMI 1.0+ - ALLOCATE LINEAR MEMORY BLOCK
310505 INT 31 P - DPMI 1.0+ - RESIZE LINEAR MEMORY BLOCK
310506 INT 31 P - DPMI 1.0+ - GET PAGE ATTRIBUTES
310507 INT 31 P - DPMI 1.0+ - MODIFY PAGE ATTRIBUTES
310508 INT 31 P - DPMI 1.0+ - MAP DEVICE IN MEMORY BLOCK
310509 INT 31 P - DPMI 1.0+ - MAP CONVENTIONAL MEMORY IN MEMORY BLOCK
31050A INT 31 P - DPMI 1.0+ - GET MEMORY BLOCK SIZE AND BASE
31050B INT 31 P - DPMI 1.0+ - GET MEMORY INFORMATION