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DPMI Function by Functional Group

Initialization Services

[1.0] 2f 1680 - Release Current Virtual Machine's Time Slice
[0.9] 2f 1686 - Get CPU Mode
[0.9] 2f 1687 - Obtain Real-to-Protected Mode Switch Entry Point
[1.0] 2f 168a - Get Vendor-Specific API Entry Point

LDT Management Services

[0.9] 31 0000 - Allocate LDT Descriptors
[0.9] 31 0001 - Free LDT Descriptor
[0.9] 31 0002 - Segment to Descriptor
[0.9] 31 0003 - Get Selector Increment Value
[0.9] 31 0006 - Get Segment Base Address
[0.9] 31 0007 - Set Segment Base Address
[0.9] 31 0008 - Set Segment Limit
[0.9] 31 0009 - Set Descriptor Access Rights
[0.9] 31 000a - Create Alias Descriptor
[0.9] 31 000b - Get Descriptor
[0.9] 31 000c - Set Descriptor
[0.9] 31 000d - Allocate Specific LDT Descriptor
[1.0] 31 000e - Get Multiple Descriptors
[1.0] 31 000f - Set Multiple Descriptors

Extended Memory Management Services

[0.9] 31 0500 - Get Free Memory Information
[0.9] 31 0501 - Allocate Memory Block
[0.9] 31 0502 - Free Memory Block
[0.9] 31 0503 - Resize Memory Block
[1.0] 31 0504 - Allocate Linear Memory Block
[1.0] 31 0505 - Resize Linear Memory Block
[1.0] 31 0506 - Get Page Attributes
[1.0] 31 0507 - Set Page Attributes
[1.0] 31 0508 - Map Device in Memory Block
[1.0] 31 0509 - Map Conventional Memory in Memory Block
[1.0] 31 050a - Get Memory Block Size and Base
[1.0] 31 050b - Get Memory Information
[0.9] 31 0800 - Physical Address Mapping
[1.0] 31 0801 - Free Physical Address Mapping
[1.0] 31 0d00 - Allocate Shared Memory
[1.0] 31 0d01 - Free Shared Memory
[1.0] 31 0d02 - Serialize on Shared Memory
[1.0] 31 0d03 - Free Serialization on Shared Memory

DOS Memory Management Services

[0.9] 31 0100 - Allocate DOS Memory Block
[0.9] 31 0101 - Free DOS Memory Block
[0.9] 31 0102 - Resize DOS Memory Block

Interrupt Management Services

[0.9] 31 0200 - Get Real Mode Interrupt Vector
[0.9] 31 0201 - Set Real Mode Interrupt Vector
[0.9] 31 0202 - Get Processor Exception Handler Vector
[0.9] 31 0203 - Set Processor Exception Handler Vector
[0.9] 31 0204 - Get Protected Mode Interrupt Vector
[0.9] 31 0205 - Set Protected Mode Interrupt Vector
[1.0] 31 0210 - Get Extended Processor Exception Handler Vector (Protected Mode)
[1.0] 31 0211 - Get Extended Processor Exception Handler Vector (Real Mode)
[1.0] 31 0212 - Set Extended Processor Exception Handler Vector (Protected Mode)
[1.0] 31 0213 - Set Extended Processor Exception Handler Vector (Real Mode)
[0.9] 31 0900 - Get and Disable Virtual Interrupt State
[0.9] 31 0901 - Get and Enable Virtual Interrupt State
[0.9] 31 0902 - Get Virtual Interrupt State

Translation Services

[0.9] 31 0300 - Simulate Real Mode Interrupt
[0.9] 31 0301 - Call Real Mode Procedure With Far Return Frame
[0.9] 31 0302 - Call Real Mode Procedure With IRET Frame
[0.9] 31 0303 - Allocate Real Mode Callback Address
[0.9] 31 0304 - Free Real Mode Callback Address
[0.9] 31 0305 - Get State Save/Restore Addresses
[0.9] 31 0306 - Get Raw Mode Switch Addresses

Page Management Services

[0.9] 31 0600 - Lock Linear Region
[0.9] 31 0601 - Unlock Linear Region
[0.9] 31 0602 - Mark Real Mode Region as Pageable
[0.9] 31 0603 - Relock Real Mode Region
[0.9] 31 0604 - Get Page Size
[0.9] 31 0702 - Mark Page as Demand Paging Candidate
[0.9] 31 0703 - Discard Page Contents

Debug Support Services

[0.9] 31 0b00 - Set Debug Watchpoint
[0.9] 31 0b01 - Clear Debug Watchpoint
[0.9] 31 0b02 - Get State of Debug Watchpoint
[0.9] 31 0b03 - Reset Debug Watchpoint

Miscellaneous Services

[0.9] 31 0400 - Get Version
[1.0] 31 0401 - Get DPMI Capabilities
[0.9] 31 0a00 - Get Vendor-Specific API Entry Point
[1.0] 31 0c00 - Install Resident Service Provider Callback
[1.0] 31 0c01 - Terminate and Stay Resident
[1.0] 31 0e00 - Get Coprocessor Status
[1.0] 31 0e01 - Set Coprocessor Emulation

Reserved Function Numbers

[0.9] 31 0004 - Reserved
[0.9] 31 0005 - Reserved
[0.9] 31 0700 - Reserved
[0.9] 31 0701 - Reserved

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