|Cover Art Language:||English|
|Machine Compatibility:||Commodore 16|
|Release:||Professionally released on Cassette|
|Available For:||Amstrad CPC464, Commodore 16, Commodore 64, Commodore Vic 20 & Spectrum 48K|
|Original Release Date:||21st April 1984|
|Original Release Price:||Unknown|
|Market Valuation:||£1.00 (How Is This Calculated?)|
|Box Type:||Cassette Single Plastic Clear|
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An "Entertainment" by Jeff Minter...
Psychedelia is really the culmination of several months' idle thinking. I love games, but occasionally I'd think "there must be some other way of enjoying yourself with the computer...". I also love music, and I'd daydream about creating... something... you could do to music, something you could put on the screen at a party and anyone could come up and have a go, something you'd do just because you enjoyed it, something others could enjoy even if they weren't actually doing it themselves. Gradually the idea solidified into the concept of a light-show generator, something interactive, creative but simple enough so that anyone could do it, yet complex enough to produce breathtaking results once learned well. A program to do for light, in fact, with a synthesiser does for sound.
Psychedelia is the realisation of that dream. Some idle tinkering on a Sunday afternoon produced such startling results that all other work was dropped in order to pursue the development of my Light Synthesiser at last. Many evenings were spent in darkened rooms just freaking out to music and doing it. Demos were given, minds were blown and a good time had by all. Psychedelia is a completely new way of enjoying your micro. If you love music, if you love graphics, if you are creative then you'll enjoy Psychedelia. You'll boot it in when you turn on your hi-fi. You'll find an appeal totally different to that of even the best games. You won't get bored, because the pleasure is as fundamental as that of listening to music, and you'll create different, dynamic light shows each time you use the program.
Psychedelia is the high point of my designing career so far. The concept is simple, the programming not too complex but the parts combine synergistically to create a whole which has given me the most pleasure to use, and the biggest pride in design, of anything I've ever programmed.
Enjoy Psychedelia. This one comes straight from the heart.
I'll give various levels of information, you can enjoy even the simplest level but as you continue you'll probably want to learn how to operate the Light Synthesiser's more complex options.
These all work in conjunction with CTRL, SHIFT or Commodore keys. Where SHIFT or CTRL is specified, use them. All other keyboard input *must* be accompanied by holding down the Commodore key at the same time. Sorry about this, but the Joystick interferes with the keyboard something chronic and until I am more familiar with the C16 and work out a better decode, you have to tell the computer "I really mean these key commands!" by holding down, the Commodore key. None too elegant I'm afraid, but reliable.
Try pressing any of the top row of keys from ESC up to INST/DEL. This calls in one of the sixteen presets, stored Lightsynth parameters which give different effects. Try them all out to see some of the multitude of effects which you can achieve using the system. Some are fast, some slow, some pulse, others swirl. Play with them all, try them to different music.
Choose a pattern you like and get ready to experiment. Press S to change the Symmetry. (The pattern gets reflected in various planes, or not at all according to the setting.) Press SPACE to alter the pattern element. There are eight permanent ones, and eight you can define for yourself (more on this later!). The latter eight are all set up when you load, so you can always choose from sixteen shapes. Press minus to change the shape of the little pixels on the screen. Press L to turn on and off the Line Mode - a bit like drawing with the Aurora Borealis.
I'll divide these into Variables and Others. Variables, when activated, bring up a little graduated bar at the bottom of the screen representing the current value of that variable. Use the and keys to alter the value to what is required, and press RETURN when you're happy. You can play with the current settings while the bar is still on the screen, and with all except two commands you can alter the parameters whilst pattern generation is actually occurring. (Clever little things - those interrupts!)
Cursor Speed - C to activate: Just that. Gives you a slow or fast little cursor, according to setting.
Pulse Speed - P to activate: Usually if you hold down the button you get a continuous stream. Setting the Pulse Speed allows you to generate a pulsed stream, as if you were rapidly pressing and releasing the Fire button.
Pulse Width - O to activate: Sets the length of the pulses in a pulsed stream output. Don't worry about what that means - just get in there and mess with it.
Line Width - W to activate: Sets the width of the lines produced in Line Mode.
Smoothing Delay - D to activate: Because of the time taken to draw larger patterns speed increase/decrease is not linear. You can adjust the 'compensating delay' which often smooths out jerky patterns. Can be used for special FX, though. Suck it and see.
Buffer Length - B to activate. Larger patterns flow more smoothly with a shorter Buffer Length - not so many positions are retained so less plotting to do. Small patterns with a long Buffer Length are good for 'streamer' effects. N.B. Cannot be adjusted whilst patterns are actually on-screen.
Sequencer Speed - V to activate. Controls the rate at which the sequencer feeds in its data. See the Sequencer bit.
Base Level - * to activate. Controls how many 'levels' of pattern are plotted.
Colour Change - H to activate. Allows you to set the colour for each of the seven pattern steps. Set up the colour you want, press RETURN, and the command offers the next colour along, up to no. 7, then ends. Border shows current colour choice. Cannot be adjusted while patterns being generated.
Now, some other commands, not variables:
Tracking On/Off - T: Controls whether logic-seeking is used in the buffer or not. The upshot of this for you is a slightly different feel - continuous but fragmented when "on", or together-ish bursts when "off". Try it.
Auto Demo On/Off - A: Psychedelia plays itself if you want.
Pause - =: Hold a particularly hoopy pattern.
Store on Preset Key: SHIFT plus any of the top row of preset keys: Stores all the parameters for later, instantaneous, recall by pressing that preset key. Use to store your favourites for recall instantly without fiddling with all the parameters. 16 presets available.
Record/Playback: SHIFT-R to start recording, R to playback or stop: Psychedelia can record about five minutes' worth of joystick input in its memory. Start recording and play as normal - you get a coloured border whilst recording. When you've done enough press R to stop. Pressing R again starts playback. Try playing back under different parameters, different preset etc. Adjust parameters while you're playing back a display to see what happens. PSY drops out of RECORD automatically, if it runs out of memory. During playback it repeats the stored performance until R is pressed to halt it.
Burst Generators: SHIFT plus F-key to program, F-key alone to activate. These allow you to pre-program and recall at will instantaneously flashes on the screen. Set up symmetry and smoothing delay as required, then press SHIFT plus the F-key to which you want to assign your FX. Move the cursor to where you want a burst then press ESC to enter that point. Do this up to sixteen times. Press RETURN when done. Pressing the F-key thus assigned stuffs all the points you defined into the buffer instantaneously. Don't worry about it - try the ones I've defined!
Sequencer: SHIFT-Q to program, Q to toggle on/off: Programming is as for the Burst Generators, but you have the freedom of 255 steps allowed played back at varying speeds via the Sequencer Speed control. You can leave the program mode in two ways: press SPACE, and next time you go back in with SHIFT-Q the stuff you already defined is not cleared and you add to the end of it, or press RETURN, and next time you go in the sequencer is cleared. Use the SPACE option to change pattern in mid-sequence, for example, or to "see how it looks so far".
There are eight elements you can define for yourself. To get into pattern edit mode press CTRL and any of the first eight preset keys. The screen clears and the cursor centres. Each pattern is composed of seven "levels". Level One is preset, always just a single white dot. You can determine the positions of the pixels in Levels 2-7. Move the Joystick to get the cursor where you want a pixel, then press ESC to enter it (like in Sequencer and Burst). You can define up to seven pixels per level. Press RETURN when you've done enough pixels on a particular level and the option proceeds to the next level, until level 7 is completed. Remember, the more pixels you have, the slower the finished pattern will run. You can place pixels anywhere on the screen; they don't have to be around the centre Level One pixel at all. Don't worry if this sounds complex, just get in there and have a bash, you can't do any damage! To select your pattern once you've defined it, press SPACE until it comes up on one of the eight User Patterns corresponding to the first eight Preset keys.
Whew! Quite a lot to digest - but the best way is to just learn by experimentation. Play with the values and see what happens - just like you'd tinker with a synthesiser. Above all, use it as it was intended - along with your favourite music. (At last I've discovered a cure for air-guitarring!) Freak out with it. Have fun. Take it to parties and have *lots* of fun. Come along to the next computer show and give a public performance! Blow minds with it, freak out your granny. Be creative with it. Let me know if you like it! Keep it next to your hi-fi!
Psychedelia. I hope you enjoy playing with it as much as I do.
You'll see various messages as the load progresses. Once loading's over, you'll see the basic Psychedelia screen, black with a single pixel on it. You're now ready to go. Use a joystick in Port 1 (the front socket).
The following all in some way inspired this creation: Roger Waters, Dave Gilmour, Nick Masson et al, our Phil with the bald patch, KMEL 106FM, Ronnie James Dio, the Purple, Isso Tomita, Rush, Steve Hillage, Yes, Led Zep, and many more... The Hairy One is pleased with himself this time... perhaps because The Hairy One has played with nothing else on his C64 for three weeks... If this blows your mind you're on the same brainlength as me. See you out by Alpha Centauri...
The following utilities are also available to allow you to edit the supplied screens of this game:
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