 | | Re: problem wirh downloading demo program
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The program "dll" attempts to delete the program in the slot on the RCX that the new program will be placed. It does this every time, because, it doesn't know if a program is there or not (better safe than sorry). The fact that you are getting this (...) (21 years ago, 26-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: problem wirh downloading demo program
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(...) This error indicate that the program don't download succefully the program ... turn on RCX ;-) or see if you can acess to the right COM name or sotmething like that nanobapt (21 years ago, 26-Jan-04, to lugnet.robotics.rcx.legos)
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| | problem wirh downloading demo program
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Hi, I tried to download the hello-world demo-program after downloading legos for the first time. It failed with the message "delete program failed". What program should be deleted, there is none! Anne (21 years ago, 26-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BricxCC release 3.3.7.7
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(...) Unfortunately, BricxCC is still not downloading the brickOS firmware correctly. I will look into this problem and try to fix it. In the mean time, you can use firmdl3 which works correctly. John Hansen (21 years ago, 23-Jan-04, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | BricxCC release 3.3.7.7
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I've released version 3.3.7.7 of BricxCC today. It adds a Spybot EEPROM tool window. It adds a new configurable watch tool window. It adds a new generic set source value tool window. It adds a hot key (F2) for the pbForth console. The position of (...) (21 years ago, 22-Jan-04, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: brickOS & Cygwin with BricxCC
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(...) Thanks again for testing this for me! (...) The Send Messages tool window can send any IR message from 0 to 255 to a brick. John Hansen (21 years ago, 22-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: brickOS & Cygwin with BricxCC
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(...) Its true, Before John "fixed" the older OS issues, I was at my whit's end and was prepared to do damage to myself with a fork -- after unsuccessfully trying to install BrickOS.... but now, thanks to John and Bricxcc my cutlery is safely (...) (21 years ago, 22-Jan-04, to lugnet.robotics.rcx.legos)
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| | brickOS & Cygwin with BricxCC
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Yesterday, I replaced the two installers I have up on my bricxcc.sourceforge.net site with slightly modified versions. The new installers contain a new cross compiler which I built from 2.95.2 myself (rather than the one Hitachi provided some time (...) (21 years ago, 22-Jan-04, to lugnet.robotics.rcx.legos)
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| | Has anybody successfully added an RCX to 7471 Mars Rover?
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Ever since I picked up the 7471 Mars Rover a few months ago, I thought it screamed out for an RCX modification. I saw a lot of discussion about the possibility, but didn't find where anybody had actually successfully done it. Now that BrickFest PDX (...) (21 years ago, 22-Jan-04, to lugnet.space, lugnet.robotics, lugnet.org.ca.rtltoronto, lugnet.robotics.rcx.legos, lugnet.org.us.smart, lugnet.org.scibrick)
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| | Re: NEWBIE question : installing BrickOS
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(...) Or you can just skip the make strip step entirely. All it does is reduce the size of your executables but that has no bearing whatsoever on whether they function. Try opening a DOS box, change directory (without entering the BASH shell) into (...) (21 years ago, 21-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: NEWBIE question : installing BrickOS
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(...) Try make fontdesign in the util directory to build fontdesign.exe, and then do the make strip again. (21 years ago, 21-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Assembler
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(...) Volatile tells the compiler that should assume the value can change without the compiler's knowledge. So yes, it gets reloaded every time. (...) To find this stuff, you need to read through documentation for GCC. It has been a few years since (...) (21 years ago, 21-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Assembler
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(...) Oh, I see. That's nifty. So a 'volatile' keyword ensures that it's reloaded every time? (...) Which doc is this? The only ones I have are the BrickOS command reference (it's a shorter HTML one), and the software manual from Hitachi. (...) (...) (21 years ago, 20-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Assembler
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(...) Glad to help! (...) However, it *does* work for bytes... See the program below. In your example program, you declared the "total" variable as an unsigned short (which is a 16-bit word), but accessed it using an 8-bit move instruction. Instead, (...) (21 years ago, 20-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Assembler
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(...) PERFECT. That was exactly what I was looking for. Clearly, the @_variablename method only works for words and not bytes. This had been my problem. Thanks very much. And thanks to everyone else who contributed too... I'm just a sucker for the (...) (21 years ago, 19-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Assembler
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(...) One more answer... :-) Mark #include <unistd.h> #include <conio.h> int x = 10; int y = 5; int z; int main() { __asm__(" mov @_x,r0 mov @_y,r1 add r1,r0 mov r0,@_z "); lcd_int(z); msleep(5); return 0; } (21 years ago, 19-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Assembler
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(...) In rethinking I think that compiling with the -S option will do what you want. It should create a file with a .s suffix. -S makes the compiler compile, but not assemble. Kevin "YOU ARE A GENIUS!!!!!! you can put that in your sig file!!!" Chris (...) (21 years ago, 19-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Assembler
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(...) I recommend compiling with the -gstabs+ option (by modifying the makefile). After your .lx file is generated use "h8300-hms-objdump --disassemble-all --source > my.lst" to get a disassembled file with the C source intermixed.into the file (...) (21 years ago, 19-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Assembler
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(...) Hi Mike, Check out the source for memcpy.c in the C library. It's not immediately clear, but the directives at the end of the __asm__ section beginning with "r" associate the %n macros with the given variables. I'm not sure of the exact syntax (...) (21 years ago, 18-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Assembler
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(...) I need to access elements of a 2d array. I don't think this is an option for that. Nevertheless, could you post code that demonstrates this? (...) How do I do that? (...) ??? (...) Hmm... this sounds more like what I'm trying to do. Someone? (...) (21 years ago, 18-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Assembler
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Hi, Michael. I had some trouble with getting variables into registers, as well. I can think of three ways: 1) Pass the variable to a function - the first function argument seems to be r0. You can easily experiment with this by inspecting the (...) (21 years ago, 18-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: Brickos fun and games!
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(...) I actually had this exact problem at the Hobby Show. I was in a hurry and didn't want to think about it (all I was doing was tweaking the light sensor thresh), so I just rebooted every time. Chris: I had lots of trouble too, but the final (...) (21 years ago, 17-Jan-04, to lugnet.robotics.rcx.legos, FTX)
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| | Re: NEWBIE question : installing BrickOS
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I hate to see questions go unanswered. Steve H replied to me saying it took him 12 hours under these conditions, and now that I have done it I can say it took my P233 laptop a full 24 hours to install brickOS under Paolo's instructions. I'm also sad (...) (21 years ago, 17-Jan-04, to lugnet.robotics.rcx.legos)
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| | BrickOS Assembler
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Okay, I'm working on a proc in ASM, and I need help with using MOV to move stuff back and forth between memory and registers. I have the following (very simple) program working, but I can't for the life of me get the MOV to work. I've got the (...) (21 years ago, 17-Jan-04, to lugnet.robotics.rcx.legos)
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| | NEWBIE question : installing BrickOS
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HI, preface, I wouldn't know a cygwin from a GCC if it him me in the head. I just want to D/L a .c prg into my RCX I need advice on the process of installing BrickOS on a p233 laptop running W98se. my question is this: What is a reasonable amount (...) (21 years ago, 16-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: Brickos fun and games!
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(...) Looks like a nasty one, hopefully someone can offer some specific help. If you'd prefer to use a more recent gcc you can, I posted some info (URL) here>. My problem seemed to be the version of binutils I had. It may be time consuming, but with (...) (21 years ago, 16-Jan-04, to lugnet.robotics.rcx.legos, FTX)
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| | Re: BricxCC release 3.3.7.6
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(...) You are welcome! I'm glad you were able to get the pre-built tools installed and working. The brickOS root that BricxCC had configured on your system was a result of having a previous installation of BricxCC where I had used that path as the (...) (21 years ago, 15-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BricxCC release 3.3.7.6
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Hi John, Thanks to your pre-built BrickOS tools, I have finally installed it on my Windows 2000 machine (I tried several times in the past... no luck !). The installation was really fast and easy, the only problem I got was that the default BrickOS (...) (21 years ago, 15-Jan-04, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: The BrickOS Task Manager
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(...) C++ is more particular with types than regular ol' C. However, I think BrickOS's definition of NULL in mem.h is incorrect (as this was causing one of the problems in the execi call). IMO, it should be defined like so: #ifdef __cplusplus (...) (21 years ago, 13-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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(...) When saved as multi.c, but not when saved as multi.cpp (...) Start multiple tasks within a program that uses objects. I could rewrite a number of parts to use structs instead, but I just wanted to check that there wasn't some easy solution. (...) (21 years ago, 13-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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(...) Were you able to compile it as is? What are you trying to do? What errors are you getting? I tested that with version xx.09, not the latest one. Steve (21 years ago, 13-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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(...) Thank you again for the help, but unfortunately it only compiles when saved as a '.c' file. Some of my code depends pretty heavily on classes... is there any easy change to make this work as object oriented code? *just spent two hours trying (...) (21 years ago, 12-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: BricxCC release 3.3.7.6
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(...) I will make this change. Thanks for the report! John Hansen (21 years ago, 12-Jan-04, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: BricxCC release 3.3.7.6
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small suggestion: when you've a syntax error in NQC, it goes like this - error is reported - you correct the error - recompile the source - code is downloaded - error message disappears In my opinion, the last 2 actions should be the other way (...) (21 years ago, 11-Jan-04, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: The BrickOS Task Manager
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(...) Thank you very much. That was exactly what I needed. Very much appreciated. Mike (21 years ago, 10-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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(...) This works. Steve ---- #include <unistd.h> #include <dbutton.h> #include <dmotor.h> int MotorSpeed = 0; int RunMotor() { while (!shutdown_requested()) { motor_a_dir(MotorSpeed); } return 0; } int CheckButton() { while (!shutdown_requested()) { (...) (21 years ago, 10-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: Implementation of Installable Timers
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(...) I'd go with the flag, myself. (...) Its certainly possible for the client timer to reinsert itself - therefore the recurring timer is not strictly required. It could be left out for space reasons. I'd probably either take it out and make it (...) (21 years ago, 10-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: The BrickOS Task Manager
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(...) Sorry, I'm still just not getting it at all. I have type errors all over the place trying to pass arguments to my task. Could someone please simply email me or post an example of a program that starts, runs two or more threads, and will (...) (21 years ago, 10-Jan-04, to lugnet.robotics.rcx.legos)
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| | Brickos fun and games!
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Hello. I have finally got gcc 2.95.3 - the official brickos compiler - installed on my computer (SUSE Linux). I can type "make" and compile all the brickos directory fine. firmdl3 works fine. BUT, dll doesn't seem to work. When I use dll to download (...) (21 years ago, 9-Jan-04, to lugnet.robotics.rcx.legos)
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| | Re: Implementation of Installable Timers
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(...) It would seem reasonable to check the location of the struct; if in kernel memory, don't remove; if in user memory, remove. However, you could add a flag to the timer struct which could use T_KERNEL and T_USER flags. (...) I looked quickly (...) (21 years ago, 9-Jan-04, to lugnet.robotics.rcx.legos)
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