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PSP Homebrew
Name = 3D Duck Demo
Authors /Website = 71M
Screenshots
Downloads = Release Here
Information =
Runs only on PSP 1.00.
Place EBOOT.PBP at directory PSP\GAME\duck\ of Memory Stick
"This demo is simply a personal test to see what the
PSP is capable of doing purely in software. The code is based
on the fantastic Hello World demo by nem (Great!). All the
effects (plasma, grid and duck) are being rendered in software
rather than using the available hardware unfortunately.
The PLASMA effect is essentially a sin wave test I wrote first,
using a look up table and plotting colors to every pixel on
the screen.
FLOOR (also called MODE7 on SNES) is an old effect again using
look up tables to determine the texture step size when drawing
scan lines on the screen.
The SOLID duck is rendered using a scanline rasteriser, which
turns triangles into lots of horizontal lines ready for rendering,
very easy to write, but quite difficult to get running as
fast as the hardware can do."
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