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added on the 2019-09-16 13:54:45 by viti  |
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comments
live: https://www.twitch.tv/videos/481421862?t=02h34m27s
added on the 2019-09-16 14:25:08 by viti
like someone said in the twitch chat: tempest 2000!
Nice show!
very very nice one!
Very good laser effects :)
nice!
Love it
Sweet C64 Laz0r!
pretty
Äääähh, will this work on a real C64 ??? :)
Cool idea! I liked it nagyon.
really cool and fresh.
any details?
any details?
At the beginning of the youtube video the hardware:
https://www.pouet.net/prod.php?which=64191
Copy/paste from other forum: :)
The sensitive continuous laser-control is performed by a hardware on the expansion-port with an 8-core microcontroller.
There are 2 frame-buffers in the hardware. In one of the frame-buffers one core of the microcontroller keeps sending the stored coordinates with the corresponding colours and timing. Meanwhile in the other frame-buffer another core of the microcontroller receives and processes the X & Y coordinates and colour info, and some control-commands like turning the laser on/off or switching between frame-buffers, etc.
The controlling details (after startup) so far:
1. writing to $de00 memory location: laser-ON/OFF command
2. at $de01: timing-control (speed of mirror-galvanometers in the laser-projector) is set to the laser-projector by default, we don't touch this value in this version. (Smoothness of the projected shapes depends on it.)
3. at $de02: All points (maximum 100..200 of them) are sent in strict 3-byte bunches: colour, X-coordinate, Y-coordinate (each one byte)
For example we can set the laser beam's starting coordinates with 'black,X,Y' combo, then we can draw a red line from it with 'red,X2,Y2' and then continue with a green line from X2-Y2 to X3-Y3 with 'green,X3,Y3' command, etc. etc...
4. at $de03: Sending a 'frame-buffer switch' command. The two frame-buffers get exchanged, in other words: The one which received C64 commands will turn to serve the laser-projector, and the one which sent data previously to the laser-projector starts receiving C64-commands.
Then we repeat the steps from the 3rd step for the upcoming frames again-and-again...
Now I use double transparent foil with few fog.
https://www.pouet.net/prod.php?which=64191
Copy/paste from other forum: :)
The sensitive continuous laser-control is performed by a hardware on the expansion-port with an 8-core microcontroller.
There are 2 frame-buffers in the hardware. In one of the frame-buffers one core of the microcontroller keeps sending the stored coordinates with the corresponding colours and timing. Meanwhile in the other frame-buffer another core of the microcontroller receives and processes the X & Y coordinates and colour info, and some control-commands like turning the laser on/off or switching between frame-buffers, etc.
The controlling details (after startup) so far:
1. writing to $de00 memory location: laser-ON/OFF command
2. at $de01: timing-control (speed of mirror-galvanometers in the laser-projector) is set to the laser-projector by default, we don't touch this value in this version. (Smoothness of the projected shapes depends on it.)
3. at $de02: All points (maximum 100..200 of them) are sent in strict 3-byte bunches: colour, X-coordinate, Y-coordinate (each one byte)
For example we can set the laser beam's starting coordinates with 'black,X,Y' combo, then we can draw a red line from it with 'red,X2,Y2' and then continue with a green line from X2-Y2 to X3-Y3 with 'green,X3,Y3' command, etc. etc...
4. at $de03: Sending a 'frame-buffer switch' command. The two frame-buffers get exchanged, in other words: The one which received C64 commands will turn to serve the laser-projector, and the one which sent data previously to the laser-projector starts receiving C64-commands.
Then we repeat the steps from the 3rd step for the upcoming frames again-and-again...
Now I use double transparent foil with few fog.
Wow!
submit changes
if this prod is a fake, some info is false or the download link is broken,
do not post about it in the comments, it will get lost.
instead, click here !