INT 33 - Mouse Function Calls
For more information see the following topics:
INT 33,0 Mouse Reset/Get Mouse Installed Flag
INT 33,1 Show Mouse Cursor
INT 33,2 Hide Mouse Cursor
INT 33,3 Get Mouse Position and Button Status
INT 33,4 Set Mouse Cursor Position
INT 33,5 Get Mouse Button Press Information
INT 33,6 Get Mouse Button Release Information
INT 33,7 Set Mouse Horizontal Min/Max Position
INT 33,8 Set Mouse Vertical Min/Max Position
INT 33,9 Set Mouse Graphics Cursor
INT 33,A Set Mouse Text Cursor
INT 33,B Read Mouse Motion Counters
INT 33,C Set Mouse User Defined Subroutine and Input Mask
INT 33,D Mouse Light Pen Emulation On
INT 33,E Mouse Light Pen Emulation Off
INT 33,F Set Mouse Mickey Pixel Ratio
INT 33,10 Mouse Conditional OFF
INT 33,13 Set Mouse Double Speed Threshold
INT 33,14 Swap interrupt subroutines
INT 33,15 Get mouse driver state and memory requirements
INT 33,16 Save mouse driver state
INT 33,17 Restore mouse driver state
INT 33,18 Set alternate subroutine call mask and address
INT 33,19 Get user alternate interrupt address
INT 33,1A Set mouse sensitivity
INT 33,1B Get mouse sensitivity
INT 33,1C Set mouse interrupt rate (InPort only)
INT 33,1D Set mouse CRT page
INT 33,1E Get mouse CRT page
INT 33,1F Disable mouse driver
INT 33,20 Enable mouse driver
INT 33,21 Reset mouse software
INT 33,22 Set language for messages
INT 33,23 Get language number
INT 33,24 Get driver version, mouse type & IRQ number
- function is specified in AX
- a mickey is 1/200 inches
- for additional information see your vendor documentation
- function number occupies all of AX rather than AH
Mouse functions can be broken down into the following classes:
Mouse Driver Control / Feedback Functions
INT 33,0 Mouse Reset/Get Mouse Installed Flag
INT 33,15 Get Mouse Driver State and Memory Requirements
INT 33,16 Save Mouse Driver State
INT 33,17 Restore Mouse Driver State
INT 33,1C Set Mouse Interrupt Rate (InPort only)
INT 33,1F Disable Mouse Driver
INT 33,20 Enable Mouse Driver
INT 33,21 Reset Mouse Software
INT 33,24 Get Driver Version, Mouse Type & IRQ Number
Mouse Cursor Control Functions
INT 33,1 Show Mouse Cursor
INT 33,2 Hide Mouse Cursor
INT 33,4 Set Mouse Cursor Position
INT 33,7 Set Mouse Horizontal Min/Max Position
INT 33,8 Set Mouse Vertical Min/Max Position
INT 33,9 Set Mouse Graphics Cursor
INT 33,A Set Mouse Text Cursor
INT 33,F Set Mouse Mickey Pixel Ratio
INT 33,10 Mouse Conditional OFF
INT 33,13 Set Mouse Double Speed Threshold
INT 33,1A Set Mouse Sensitivity
INT 33,1B Get Mouse Sensitivity
Mouse Button and Position Feedback Functions
INT 33,3 Get Mouse Position and Button Status
INT 33,5 Get Mouse Button Press Information
INT 33,6 Get Mouse Button Release Information
INT 33,B Read Mouse Motion Counters
Video Control and Feedback Functions
INT 33,1D Set Mouse CRT Page
INT 33,1E Get Mouse CRT Page
Mouse Interrupt Setup Functions
INT 33,C Set Mouse User Defined Subroutine and Input Mask
INT 33,14 Swap Interrupt Subroutines
Alternate Mouse Interrupt Setup Functions
INT 33,18 Set Alternate Subroutine Call Mask and Address
INT 33,19 Get User Alternate Interrupt Address
Light Pen Emulation Functions
INT 33,D Mouse Light Pen Emulation On
INT 33,E Mouse Light Pen Emulation Off
International Language Support Functions
INT 33,22 Set Language for Messages
INT 33,23 Get Language Number
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