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 | | Re: Peeron Memory Upgrade
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| (...) Hi Dan, Yes, it does seem quite a bit faster for me when I search. Looks like the upgrade was definitely effective! Kelly (18 years ago, 4-Feb-07, to lugnet.db.inv, FTX)
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memory
(score: 1.128)
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memory
(score: 1.128)
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| | malloc() bug found -- BAD MEMORY REGION :-(
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| It looks like it's not a bug in legOS, but in the RCX hardware: Memory from 0xfb80 to 0xfd7f is simply NOT WRITEABLE, or more exactly, always read as 0xff, at least on my RCX ! Try the following little test: // // memory test // #include <conio.h> (...) (25 years ago, 1-Mar-00, to lugnet.robotics.rcx.legos)
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memory
(score: 1.128)
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| | Re: Large LDraw/MPD Files?
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| (...) I'm not sure what you mean by this. Ldglite only creates one structure in memory per part file. It's quite frugal with the memory when you use the L3 Parser. Thanks, Lars. I think I've displayed datsville in ldglite on a PC with as little as (...) (22 years ago, 20-Dec-02, to lugnet.cad)
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memory
(score: 1.128)
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| | Re: Memory
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| I have to admit I actually don't know all that much about robotics itself. The mindstorms are my first foray into robotic creation and programming. I just thought it would be helpful to point out the memory limitation in the H8/300. In that respect, (...) (26 years ago, 8-Feb-99, to lugnet.robotics)
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memory
(score: 1.128)
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| | Re: Another New NXT Utility
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| (...) I noticed that myself shortly before you posted. The version with a main menu bar and toolbar at the top has menu shortcuts which do work but in the NXT image version (with no main menu) the shortcuts do not work. Or, at least, they did not (...) (17 years ago, 11-Apr-07, to lugnet.robotics.nxt)
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memory
(score: 1.128)
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| | Re: Expanding the memory of the handyboard
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| Dear Kevin, Please forgive this non-answering of your question, but I am curious as to what kinds of hardware projects/software objectives were your students working on when they ran out of 'hc11 memory, and how did they deal with this circumstance? (...) (27 years ago, 16-Feb-98, to lugnet.robotics.handyboard)
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memory
(score: 1.128)
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| | Re: Readings
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| yes, memory wires should be oscillating, back and forth betw 0 and 5 volts. this is not floating; floating implies not connected. re: your other DL probs, usually, it is a bad connection on the PCB. try continuity checks on the memory subsystem. (...) (26 years ago, 17-Jan-99, to lugnet.robotics.handyboard)
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memory
(score: 1.128)
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| | Re: SPI ram
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| Anthony, A easier way to get 8K of EEPROM memory is to use Microchip Technology 25C640 Serial SPI EEPROM Memory. This is a 8 pin DIP device with a built in SPI interface. Cost is about $3 each. I wrote a simple application note to connect to a HB (...) (27 years ago, 8-Apr-98, to lugnet.robotics.handyboard)
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memory
(score: 1.128)
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| | Re: How much memory finally?
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| (...) I believe it has a 16K ROM and 32K SRAM. Within the 32K, 16K is occupied by the 'firmware' downloaded to the RCX. About 6K is reserved for bytecode program space and the datalog. Presumably the rest is working memory for the firmware (stack, (...) (25 years ago, 10-Feb-00, to lugnet.robotics.rcx)
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memory
(score: 1.128)
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| | Re: Loading multiple java binaries using leJOS
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| (...) AFAIK not, they have to be linked together. To put it another way, you'd need the .class files produced by the Java compiler, and they probably should be compiled against the same library. Then you are almost back to compiling it yourself, so (...) (23 years ago, 3-Oct-01, to lugnet.robotics.rcx.java)
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memory
(score: 1.128)
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| | Re: AS11
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| (...) DW - Define word (intel assembler) FDB - Form Double Byte Constant (motorola assembler) Example: (in HC11 memory order) ORG $100 DW $1234 DW $5678 Memory dump start at address $100, you will find: Address Data $0100 $12 $0101 $34 $0102 $56 (...) (28 years ago, 31-Mar-97, to lugnet.robotics.handyboard)
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memory
(score: 1.128)
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| | RE: Expanding the memory of the handyboard
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| Dear Fred, The Mechatronics class competition was to build autonomous miniature forklifts that would navigate a complex course. In the course, the forklifts had to identify, pick up, and deliver three. The path that the forklifts had to negotiate (...) (27 years ago, 17-Feb-98, to lugnet.robotics.handyboard)
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memory
(score: 1.128)
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| | Re: Scout memory map and variable extraction
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| Hi Mike, Yes I do like decimal, is it that obvious :)) Pollm's legal range starts at 0x0040, and I used that as 1 in my memory count. But even if I take that offset in account your results still differ from mine. I think it's more a definition (...) (25 years ago, 4-Dec-99, to lugnet.robotics)
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memory
(score: 1.128)
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memory
(score: 1.128)
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| | Re: Mindstorms USB connection and memory
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| In article <C351BAFF646DAC4F8F7...98F@YS-EX- CLUSTER.ysi.int>, Fred Mullins <lego-robotics@crynwr.com> writes (...) It is not safe to do this. Perhaps there is a power-down PC connected, that will be unable to deal with 5V being applied to the (...) (18 years ago, 21-Dec-06, to lugnet.robotics)
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memory
(score: 1.128)
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memory
(score: 1.128)
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| | Re: I just can't run LDLite
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| Well, I don't know what criteria Windows 98 uses to dump memory blocks to the swap file, but it seems to me that the memory you are asking cannot be swapped to disk. Is even stranger because I'm 100% sure it reports an out of memory problem without (...) (26 years ago, 31-Jan-99, to lugnet.cad)
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memory
(score: 1.128)
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| | Re: mindstorms NXT and memory
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| (...) Right but that's not what I'm really asking! :-)! I'm sure its a variation of an ARM7 chip which will implement the standard ARM ISA. However, with any ARM7 implementation it can be catered to a specific applications. From the ARM website: (...) (19 years ago, 9-Jan-06, to lugnet.robotics)
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memory
(score: 1.128)
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| | 32K static RAM
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| Does anybody knows a subtitute for the 62256LP-120 , 32K static RAM? Because I´m having trouble find the Memory, and I got a other memory but it doesn´t work (I think). Thanks for the Help Daniel ---...--- " `BETTER´ IS THE ENEMY OF `GOOD ENOUGH´" (...) (25 years ago, 27-May-99, to lugnet.robotics.handyboard)
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memory
(score: 1.128)
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