 | | Re: Running NBC/NXC on a Mac (OSX)
|
|
(...) I accidentally left off the "=" after -I. ./nbc -I=/usr/local/include program.nxc -O=program.rxe Sorry about that. John Hansen (18 years ago, 22-Mar-07, to lugnet.robotics.nxt)
|
| |
| | Re: Running NBC/NXC on a Mac (OSX)
|
|
(...) Here's a really simple way to use NBC/NXC on a Mac: (URL) you want to execute the compiler yourself then you just open a terminal window, change directory to your source code path, and execute nbc like this: nbc program.nbc -O=program.rxe or (...) (18 years ago, 22-Mar-07, to lugnet.robotics.nxt)
|
| |
| | Running NBC/NXC on a Mac (OSX)
|
|
Assume I'm an idiot. As many will tell you here, this is at many times a reasonably safe assumption. Yes, I know who you are, stop snickering. How do I work NBC/NXC under OSX? When I download the latest package and double-click the app, it opens the (...) (18 years ago, 22-Mar-07, to lugnet.robotics.nxt)
|
| |
| | Re: Faster NXT LCD Screen Refresh
|
|
(...) Okay, there's a little more to it than this. If you have a display that supports greyscales, it can control the level of the voltage jolt that's applied to each pixel during the actual refresh cycle. That way you get a smoother display with (...) (18 years ago, 22-Mar-07, to lugnet.robotics.nxt.nxthacking, FTX)
|
| |
| | Re: Faster NXT LCD Screen Refresh
|
|
(...) So that is how you did it. I was wondering about this ever since I saw the announcement. Incidentally, this would have been great cross posted to .color as well. <</robotics/nxt/?n=539>> Doug (18 years ago, 22-Mar-07, to lugnet.robotics.nxt.nxthacking, FTX)
|
| |
| | Re: Faster NXT LCD Screen Refresh
|
|
(...) This kind of works. In the first instance, you get two identical shades of grey. In the second instance (and I've tried this) you'd be surprised to see that the difference in shades between the two greys is actually very small. You really need (...) (18 years ago, 22-Mar-07, to lugnet.robotics.nxt.nxthacking)
|
| |
| | Re: Faster NXT LCD Screen Refresh
|
|
(...) I already got one shade of grey out of it by flicking between two images at the current rate: (URL) I use all those spare cycles to mix and merge screen layers in real time, so this image has full parallax scrolling. I've been trying to do (...) (18 years ago, 22-Mar-07, to lugnet.robotics.nxt.nxthacking, FTX)
|
| |
| | Re: Faster NXT LCD Screen Refresh
|
|
(...) <snip> (...) This is really interesting. If I understand correctly, to get colors, or at least shades of grey, you have to refresh the screen quickly and the "darker" the pixel, the more often it shows up in the pattern. For example, let's say (...) (18 years ago, 22-Mar-07, to lugnet.robotics.nxt.nxthacking)
|
| |
| | Re: Adding syscalls/opcodes to NXT-G
|
|
(...) John - I know you don't like this and I agree that the best solution is NI changing their compiler to allow extending firmware with new syscalls. The way things work, I'm afraid, this will not happen anytime soon. I'm trying to suggest (...) (18 years ago, 22-Mar-07, to lugnet.robotics.nxt)
|
| |
| | Faster NXT LCD Screen Refresh
|
|
Here's a trick to get a faster rate on the LCD display refresh. It currently takes 16 milliseconds to refresh the NXT LCD. 16 "messages" are sent to the LCD. One message is sent per millisecond. There are two messages from the ARM to the LCD for (...) (18 years ago, 22-Mar-07, to lugnet.robotics.nxt.nxthacking)
|
| |
| | pbLua Beta 3 - Available
|
|
All, pbLua beta 3 is available now at: (URL) This new version has the bug in the regulation fixed, and the default motor mode is brake, not float. I've also updated the API docs to correct errors (there are probably more) and added an install doc (...) (18 years ago, 22-Mar-07, to lugnet.robotics.nxt, lugnet.robotics.nxt.nxthacking)
|
| |
| | Re: pbLua Fun at OSX
|
|
(...) Finally, I did something right - by accident! Christian, could I ask you to please send me (off list if you like) some screen shots of what happens when you connect the NXT? I can't remember if I sent you Mac instructions, but you just look (...) (18 years ago, 21-Mar-07, to lugnet.robotics.nxt)
|
| |
| | pbLua Fun at OSX
|
|
Hello World, pbLua-Beta2 is out and 90% of my wishes are true now :D Running pbLua with OSX worked out of the box... 1. Flashing NXT and reboot the box once 2. checking for new NXT-Device (ls -la /dev/tty.usb*) 3. connecting with screen to NXT (...) (18 years ago, 21-Mar-07, to lugnet.robotics.nxt)
|
| |
| | Re: The standard NXT firmware & the case of the missing opcodes
|
|
(...) I guess what I'm saying is '<<=', 'OP_ASL' and 'OP_LSL' are all the same thing (zero fill). '>>=' means either 'OP_ASR' (smear fill) or 'OP_LSR' (zero fill) depending on whether your target is signed or not. If you wanted direct equivalents (...) (18 years ago, 21-Mar-07, to lugnet.robotics.nxt.nxthacking)
|
| |
| | Re: The standard NXT firmware & the case of the missing opcodes
|
|
(...) Having used shifts in Z80 assembly before, I can see the uses of the different types. However, I can't see how I'd want anything other than arithmetical in the NBC opcodes. The only times I used logical, rotating, or with-carry-bit shifts was (...) (18 years ago, 21-Mar-07, to lugnet.robotics.nxt.nxthacking)
|
| |
| | Re: Adding syscalls/opcodes to NXT-G
|
|
(...) Can you flesh this out a bit? What do you have in mind when you say "create from it a new program clump"? The current version of the firmware limits the size of this buffer to 64 bytes. I increased that limit in my recent changes to be 800 (...) (18 years ago, 21-Mar-07, to lugnet.robotics.nxt)
|
| |
| | Adding syscalls/opcodes to NXT-G
|
|
One of the biggest problems with extending the current FW is that the NI compiler for NXT-G/NXTToolkit is not so flexible. In particular, one can't add new syscalls. Here's a suggestion I would be happy to hear your ideas on - the NXT-G compiler has (...) (18 years ago, 21-Mar-07, to lugnet.robotics.nxt)
|
| |
| | The standard NXT firmware & the case of the missing opcodes
|
|
There are several opcodes defined in c_cmd_bytecodes.h which are missing from the VM implementation in c_cmd.c Here are the ones that are not implemented: //Family: Bit manipulation #define OP_CMNT 0x0A // dest, src #define OP_LSL 0x0B // dest, src (...) (18 years ago, 21-Mar-07, to lugnet.robotics.nxt.nxthacking)
|
| |
| | new NXT mailinglist established
|
|
Hello! A new NXT mailinglist is established. Because there are no german mailinglists until now, this mailinglist is for german speaking (not necessary native) people around the world. You need an (free) yahoo account to participate! (URL) (18 years ago, 19-Mar-07, to lugnet.robotics.nxt)
|
| |
| | Re: Enhanced standard NXT firmware
|
|
... (...) Hi John, I just tried to load it and just tested the "Try-me" light sensor. It worked fine. Not so much help, but I can try some more another day. Good work. Rasmus (...) (18 years ago, 19-Mar-07, to lugnet.robotics.nxt.nxthacking, lugnet.robotics, lugnet.robotics.nxt)
|
