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-
- These folders contain specially tuned video drivers for various Falcon
- hardware configurations. They are included to make sure the CFG tool
- is compatible with as many video formats as possible. Simply choose
- the driver most suited to your system, and replace the file VIDEO.DRV
- with the newly selected driver.
-
- If you have a video card which is not supported here, it is possible
- that one of the supplied drivers will work with your card anyway.
- There are not that many colour formats available, so it is very likely
- some drivers will work with your hardware, even if it is not named
- specifically.
-
-
- The various drivers are described in the following subsections:
-
- VIDEL
- -----
-
- Pixel format: %RRRRRGGG:GGGBBBBB (Motorola/big-endian 16-bit)
-
- The VIDEL display driver is designed to make use of the Falcon's
- built-in 16-bit (65536 colour) video hardware. This should be used
- as the default driver, since it works on all Falcon machines.
-
- You can modify the actual display resolution used with a suitable
- screen enhancer, particularly our own VIDELITY package, although other
- equivalent programs such as BlowUP, Videl Inside (VI) and FalconScreen
- (FS) can be used to do the same job - each with their own set of
- special limitations (see manual). ScreenBlaster I, II & III cannot be
- used with the driver unless truecolour mode is selected from the
- Desktop before running the program. This is due to restrictions in the
- SB software. All other screen enhancers will allow the program to be
- run from any Falcon video mode, which will switch to truecolor mode
- automatically.
-
- NOVA
- ----
-
- These display drivers are designed for Falcons equipped with the Nova
- or SuperNova video cards, allowing the program to take advantage of
- the large truecolour video modes available with such hardware.
-
- The video card should be operating in the appropriate colour mode
- before use with any of these drivers, simply because the program
- cannot change resolution on-the-fly with a video card connected.
- Attempting to use a 16-bit driver in a 24-bit display mode for
- instance will not work, resulting in a screen full of garbage.
-
- The currently supported drivers are as follows:
-
- * NOVA.15B
-
- Pixel format: %GGGBBBBB:xRRRRRGG (Intel/little-endian 15-bit)
-
- This driver is for use with 15-bit truecolour, allowing up to 32768
- simultaneous on-screen colours. This colour mode is very fast, but
- can suffer from noricable colour banding artifacts on finely shaded
- images.
-
- * NOVA.16B
-
- Pixel format: %GGGBBBBB:RRRRRGGG (Intel/little-endian 16-bit)
-
- This driver is for use with 16-bit truecolour, allowing up to 65536
- simultaneous on-screen colours. This colour mode is almost as fast
- as the 15-bit version, but has the advantage of much less noticable
- colour banding on images.
-
- This is by far the best mode for use with this program. It is very
- quick, and allows very large resolutions on a standard card. It is
- also as close as you can get to 24-bit without paying in terms of
- memory or performance.
-
- * NOVA.24B
-
- Pixel format: %BBBBBBBB:GGGGGGGG:RRRRRRRR (Reverse R,G,B)
-
- This driver is for use with 24-bit truecolour, allowing up to 16
- million simultaneous on-screen colours. The 24-bit display format
- is very inefficient, which can impact on performance during screen
- redraws. Although it is considerably slower than the 15 & 16 bit
- colour modes, it has the advantage of causing no colour banding.
- It does however require 50% more video memory than any equivalent
- sized 15 or 16-bit display, limiting your maximum available screen
- resolution.
-
- Don't use 24-bit colour modes if you can get the resolution you
- want with 32-bit colour instead, since it is considerably faster
- for some screen operations.
-
- * NOVA.32B
-
- Pixel format: %RRRRRRRR:GGGGGGGG:BBBBBBBB:AAAAAAAA (Std R,G,B,A)
-
- This driver is for use with 32-bit aligned truecolour, allowing up
- to 16 million simultaneous on-screen colours (identical to 24-bit).
- The 32-bit display format is a more efficient layout than 24-bit,
- which makes it faster for some screen operations. Although 32-bit
- produces no colour banding problems, it requires 33% more video
- memory than and equivalent 24-bit modes - placing a tighter limit
- on the maximum available resolution.
-
- If you can achieve the resolution you want in 32-bit colour, use it
- instead of 24-bit for smoother operation.
-
-