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mus/play/Subspace68k.lha |
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VBCC compiled 68K-port of Thomas Wenzel's cool Subspace-plugin for AmigaAmp.
Background story:
I wanted a good looking plugin for my recently acquired Mediator/Voodoo3.
Subspace was the most interesting open-sourced non-W3D plugin I could get my hands on.
Unfortunately it is also very demanding with respect to cpu and bandwidth to gfxcard.
Minimum requirements:
- AmigaOS 3.1
- full 68060 (66MHz is strongly recommended)
- fast gfxcard (Mediator1200 with Voodoo3 will do just fine)
- Picasso96 2.0 or CyberGraphX v3
- 320x200 or 320x240 8-bit screenmodes
Performance: (tested with Blizz1260/66 and Mediator1200/Voodoo3-3K, latest mmu driver)
Using medium quality audiodecoding, freqdiv 2 and optimised prefs/settings (see below):
Subspace_68k_LO version (240x112) 11 fps
Subspace_68k_MED version (272x144) 8 fps
Subspace_68k_HI version (288x176) 6 fps
Subspace will probably not look good on anything less than a 66Mhz 060, sorry.
How to achieve highest stable framerate for Subspace plugin with AmigaAmp-Prefs:
- set play buffer to 1/10 second
- loadbuffer should be "file" to eliminate HD access
- task priorities: main=1, play=1, vis=0
(note: side-effect is that you can not change settings while playing)
- decrease the audio quality (freqdiv: 2 or 4, quality: medium or low).
(note: the plugin should be run at 0 priority with AmigaAmp setup like above)
- choose backdrop and immovable mode (from menu), then save settings.
Notable changes from PPC/WOS version:
- Picasso96 supported!
- Screenmode Requester (320x200 or 320x240 8-bit modes)
- 'T' key toggles song-title display (default on)
- 'L' key locks/unlocks current waveshape/deltafield combination
- static palettes (palette randomizer produced ugly results too often)
- some ugly waveshapes left out.
- 3 versions: 240x112, 272x136 and 288x176 centered on 320x200 screen
- tooltype support is missing, hence the 3 versions
- source adapted for VBCC (it looks a quite messy:)
History (68k version)
- first release
Future:
- make it amplifier compatible
- aspect correction for 320x200 screenmode
- maybe add AGA support
Thanks:
Thomas Wenzel for AmigaAmp and for open-sourcing for this cool plugin!
Original readme from Subspace:
------------------------------
Homepage
--------
http://amigaamp.amiga-software.com
History
-------
v1.0 - initial release
v1.1 - more warpfields
- more waveshapes
- more colormaps
- experimental PowerUP version
Legal
-----
Copyrighted Open Source Freeware. All restrictions and distribution
conditions of AmigaAMP apply. Based on and inspired by G-Force for
WinAMP.
Don't ask me too many things about the PowerUP version! Running several
PowerUP tasks at different priorities is very unstable on my system, so
I decided to use WarpUP which is much more reliable here. However, some
people have reported the contrary, so it's worth a try. If it doesn't
work - bad luck. If it hangs - bad luck. Don't bother me :)
Usage
-----
Just start the plugin while AmigaAMP is running in skin mode. For the
PowerUP version to run smooth don't set AmigaAMP's PPC decoder priority
to anything higher than 0.
Key assignments
---------------
ESC - quit
F - show framerate on/off
W - show waveform on/off
I - show info about program on
Options/ToolTypes
-----------------
RESOLUTION - LOW = 320x240, HIGH = 640 x 480
SCREENSIZE - Override default vertical screen [25 .. 100] in percent
MAXFPS - Limit framerate to the number specified
Example
-------
RESOLUTION=HIGH
SCREENSIZE=50
MAXFPS=10
Minimum requirements
--------------------
AmigaOS 3.1
CyberGraphX v3
PowerPC 603e or 604e (PowerUP AND WarpUP supported!)
Fast graphics card (Z3, PCI or Local Bus)
More info
---------
See AmigaAMP's documentation
The framerate heavily depends on the throughput of you graphics bus.
A CyberVisionPPC along with a PPC604e-200 will give you about 20fps
in low resolution/full size and 10fps in high res at 66% screensize.
Everything less is probably slower.
It may be nessecary to select at least 1/5s playback buffer in AmigaAMP
for uninterrupted playback.
Future plans
------------
- More Waveshapes and Warpfields
- Particles
- Minor speed optimizations
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Contents of mus/play/Subspace68k.lha
PERMSSN UID GID PACKED SIZE RATIO CRC STAMP NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic] 1843 2802 65.8% -lh5- c111 May 4 2001 Subspace68k/src.info
[generic] 1459 5251 27.8% -lh5- db37 May 4 2001 Subspace68k/src/Deltafields.c
[generic] 1466 5270 27.8% -lh5- 7310 May 4 2001 Subspace68k/src/Deltafields4.c
[generic] 1464 5278 27.7% -lh5- 076e May 4 2001 Subspace68k/src/Deltafields_OPT.c
[generic] 330 582 56.7% -lh5- adef May 4 2001 Subspace68k/src/makefile
[generic] 339 746 45.4% -lh5- 7487 May 4 2001 Subspace68k/src/makefile.vbccm68k
[generic] 381 1011 37.7% -lh5- f65d May 4 2001 Subspace68k/src/makefile.vbccm68k_OPT_LO
[generic] 382 1012 37.7% -lh5- dd28 May 4 2001 Subspace68k/src/makefile.vbccm68k_OPT_MED
[generic] 137 247 55.5% -lh5- 5861 May 4 2001 Subspace68k/src/SCOPTIONS
[generic] 185 286 64.7% -lh5- 9f24 May 4 2001 Subspace68k/src/smakefile
[generic] 10054 33600 29.9% -lh5- 4f90 May 4 2001 Subspace68k/src/Subspace.c
[generic] 10100 33369 30.3% -lh5- acd6 May 4 2001 Subspace68k/src/Subspace68k.c
[generic] 10886 36461 29.9% -lh5- bf61 May 4 2001 Subspace68k/src/Subspace68k2.c
[generic] 12283 54597 22.5% -lh5- ab14 May 4 2001 Subspace68k/src/Subspace68k3.c
[generic] 11972 53444 22.4% -lh5- 6d14 May 4 2001 Subspace68k/src/Subspace68k4.c
[generic] 12660 55499 22.8% -lh5- 5773 May 4 2001 Subspace68k/src/Subspace68k_FS.c
[generic] 12549 55337 22.7% -lh5- bb79 May 4 2001 Subspace68k/src/Subspace68k_HS.c
[generic] 12669 55608 22.8% -lh5- c4f5 May 4 2001 Subspace68k/src/Subspace68k_MS.c
[generic] 347 632 54.9% -lh5- 6454 May 4 2001 Subspace68k/src/TrackInfo.h
[generic] 2376 10711 22.2% -lh5- 23d0 May 4 2001 Subspace68k/src/Waveshapes.c
[generic] 2308 10538 21.9% -lh5- a163 May 4 2001 Subspace68k/src/Waveshapes4.c
[generic] 2620 18495 14.2% -lh5- f1d1 May 4 2001 Subspace68k/src/Waveshapes_OPT.c
[generic] 2260 4377 51.6% -lh5- 0ab4 May 4 2001 Subspace68k/Subspace68k.readme
[generic] 24366 47764 51.0% -lh5- 3f87 May 4 2001 Subspace68k/Subspace_68k_HI
[generic] 1297 1846 70.3% -lh5- f2c9 May 4 2001 Subspace68k/Subspace_68k_HI.info
[generic] 24307 47724 50.9% -lh5- ad35 May 4 2001 Subspace68k/Subspace_68k_LO
[generic] 1298 1846 70.3% -lh5- 4c60 May 4 2001 Subspace68k/Subspace_68k_LO.info
[generic] 24395 47840 51.0% -lh5- 6e55 May 4 2001 Subspace68k/Subspace_68k_MED
[generic] 1300 1846 70.4% -lh5- 3197 May 4 2001 Subspace68k/Subspace_68k_MED.info
---------- ----------- ------- ------- ------ ---------- ------------ -------------
Total 29 files 188033 594019 31.7% May 4 2001
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