The offset of the alternate status register relative to the IO Base on legacy systems For instance ATA_ISABASE_1 + ATA_ALTERNATESTATUS_BASE = &H3F6

The base register offset for the primary IDE bus on legacy systems

The base register offset for the secondary IDE bus on legacy systems

Contains the status of the drive currently selected in ATA_RW_DEVSEL it holds a bitfield of status flags from ATASTATUS

The offset to the data port Data is sent to/from the drive through this port when in PIO mode, and DRQ is set in ATA_R_STATUS The port is 16 bits wide and should normally be accessed with REP INSW/OUTS

Contains drive selection as well as some operation features

The device is busy executing a command.

The device does not operate as expected.

The device is ready to accept commands

The device is waiting for the host to perform data transfer

The device has aborted the previous command

The offset to the command port.

The default offset for the 16-bit BGA data port

The default offset for the 16-bit BGA index port

this attempts to create a viewport

Call index for character streams

see: GFXPRIMITIVES.GFX_SETCHAR

see: GFXPRIMITIVES.GFX_SETPIXEL

32-bit register for configuring the internal and external buses

8-bit register for external clock control.

8-bit register for addressing a register of the integrated clock generator (undocumented)

8-bit register for accessing a register of the integrated clock generator (undocumented)

enables the CRTC when set, resets the CRTC when clear.

allows the programmer to switch between the VGA and native CRTC

32-bit register for general CRTC configuration.

32-bit register holding the hsync pulse settings

32-bit register holding the horizontal counter settings

32-bit register holding the screen offset and virtual width

32-bit register holding the vsync pulse settings

32-bit register holding the vertical counter settings

32-bit register holding the current vertical counter and reference counter.

32-bit register for general DAC configuration

8-bit register for reading/writing the contents of the DAC

8-bit register containing the mask to be applied to color indices prior to lookup in the DAC

8-bit register for selecting the DAC entry to read from.

8-bit register for selecting the DAC entry to write to.

Base message id for device management commands

Requests a new DeviceID to be registerd

Deprecated Requests the server to list the connected device IDs

Retrieves a device’s address

Retrieves a node’s location string

Retrieves a node’s name

Sets the message address for a device.

Names a device

Names a device

32-bit register for the DSP (undocumented)

32-bit register for the DSP (undocumented)

32-bit register for memory configuration

load the high 16 bits of a register with an immediate value

load the high 24 bits of a register with an immediate value

32-bit register for general engine and test settings.

Call index for drawing a character

Call index for setting a pixel

16-bit register containing the emulated interface version

Identifies the BLOCKCOMMANDS set

Identifies the GFXCOMMANDS set

The base message code for system administration commands.

the page-aligned location where the bss should start.

the size of the kernel image in bytes.

32-bit register for memory configuration

32-bit register holding the size of the horizontal overscan area

32-bit register holding the size of the vertical overscan area

Get the Vendor/Type for a certain device

Read one byte from PCI Configuration space

Read a 32-bit doubleword from PCI Configuration space

defines the maxinum number returned by rand

lookup table for required privileges

Jump table for the kernel functions

jump table for kernel calls

The message identifier for getting a link’s supported interfaces

Load a byte from RAM

the ops number used for the graphics application

the ops number used for the graphics application

The first property index of the driver’s custom range.

Any non-zero positive number.

Any valid engine ID, provided no dependency cycles are created, or -1

Any non-zero positive number

Zero, or any constant from UDI_GFX_STOCK_FORMAT

Any, signed value.

Any signed value.

Any non-zero positive value

Any non-zero positive value

Any non-zero positive number.

the ops number used for the graphics driver

the ops number used for the graphics driver