miscellaneous



12 bit truecolor C2P for the TT030 (updated to contain 2x2 version) about:

demonstrates a method to perform an interlaced 12bpp truecolor c2p on

the Atari TT. contains 320x480 (1x1) and a faster 160x100 (2x2) version

for realtime effects. full sourcecode is also included.



requirements/specs.:

-Atari TT

-VGA monitor



download



interlaced color-resolutions on the Mega ST about:

run from the autofolder this small gadget installs a tsr that takes ad-

vantage of the Mega ST's Blitter to double the vertical resolution in the

ST color-modes using a technique known as hardware feature on the

falcon (i.e. interlacing).

it works on the STE and the Mega STE, as well. however, there it does

not make much of a sense as for those machines a number of similar

utilities, that make use of the finescroll registers present on the STE-

shifter instead, already exist. so i recommend you to use this one on a

Mega ST only. the source is included.



requirements/specs.:

-Mega ST (Mega STE/STE)

-RGB monitor



download



overclocking the TT's FPU about:

this document describes a cheap upgrade that enables you to overclock

your TT's FPU without much of an effort (neither financial, nor craftly). it is

very save not involving any modification of your mainboard.



requirements/specs.:

-soldering iron and screwdriver

-an oscillator plus some short wires

-gives you 48Mhz or more



download



CrY image viewer about:

this little tool was finished in a hurry for alive #12 . it's supposed to demonstrate

my idea of emulating a 16bpp CrY mode on the TT as known from Atari's Jaguar

using interlacing. standard 4-4-8 CrY images can be viewed with the attached

utility called "cryview.ttp".

large images will get resized to fit the emulated 320x240 pixel resolution and

gimmicks like antialiasing, gamma readjustion and a grayscale mode have been

included (take a look into the readme.txt on how to use them).

it comes along with my own tga2cry conversion tool, the viewer itself, a doc

describing the used techniques and the complete sourcecode.



requirements/specs.:

-TT030

-VGA monitor



download



mandelbrot explorer about:

as above this package has been made up in a hurry along with an article for

alive #12 so don't expect it to be free of bugs. the goal was to optimize the

mandelbrot iteration loop as much as possible for the 68030 resulting in a solution

without any multiplications.

the demonstration program let's you zoom into a rather high resolution version of

the fractal somewhat using your mouse. however, due to the fact this is a lookup

table based method the zooming range is a bit limited.technical documentation

and the complete sourcecode are included as usual.



requirements/specs.:

-Falcon/TT030

-RGB/VGA monitor

-CT60 compatible



download



BiQ v1.0 (lightweight, lossy imagecodec) about:

this is my attempt at a lossy image codec that should allow you to include

more textures, graphics and so on in your 4ktros or 96ktros etc. without being

forced to generate them.

the codec uses a simple haar wavelet tree decomposition and achieves compres-

sion rates of up to 1:80. v1.0 offers support for 8bpp grayscale, 8bpp paletted

and 24bpp truecolor images. support for a 16bpp RGB and a 16bpp CrY (jaguar)

mode are planned for a future release. seperate size optimized 68k decoders for

the various file types are included besides the conversion tool (tgabiq), an

example program and the complete source code.

for further instrucions on using the package please refer to the readme.txt.



requirements/specs.:

-TT030/Falcon

-RGB/VGA monitor

-Fastram support

-CT60 compatible



download

view performance results



TT03 hires slideshow about:

a little slideshow demonstrating an intelaced display mode with 1280x480 pixels,

32 colors per scanline on the TT030.

a 50Khz stereo sample is replayed in the background and a VU-meter is displayed

on the screen's bottom.



requirements:

-TT030, 4+4 Mb ram

-VGA monitor



download





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