hphcrx Devices




	NOTE: Raw-mode graphics support is not available on any HCRX graphics device. You must use X11. For information on Starbase with X11, read the chapter "Using Starbase with the X Window System" in the Starbase Graphics Techniques manual.

The hphcrx device driver supports the configurations shown in Table 3-1 “hphcrx Device Driver Support ”.

Table 3-1 hphcrx Device Driver Support

Graphics Devices	Number of Image Planes	Number of Overlay Planes	Hardware Accelerator
HCRX-8	8 or 8/8	8 ^[1]	No
HCRX-8Z	8 or 8/8	8 ^[2]	Yes
HCRX-24	24, 12/12, or 8/8	8 ^[3]	No
HCRX-24Z	24, 12/12, or 8/8	8 ^[4]	Yes
^[1]All Starbase graphics rendering to the overlay planes is done by the VMX device driver. ^[2]All Starbase graphics rendering to the overlay planes is done by the VMX device driver. ^[3]All Starbase graphics rendering to the overlay planes is done by the VMX device driver. ^[4]All Starbase graphics rendering to the overlay planes is done by the VMX device driver.

The HCRX-8 and HCRX-8Z support 8 planes single-buffered or 8/8 planes double-buffered. The HCRX-24 and HCRX-24Z support 24 planes single-buffered, 8/8 planes double-buffered, or 12/12 planes double-buffered.

In order to reduce flickering, these graphics devices refresh the attached CRT displays at 72 Hz.

All configurations have 1280 × 1024 pixel color displays, two hardware color maps in the image planes, and two hardware color maps in the overlay planes.

hphcrx Devices

Technical documentation

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