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 | | Re: Mechanical Memory for Computing
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| (...) I just had to join in on this one :) I greatly enjoyed playing around with Intel's early 4004 PMOS microprocessor, one of the very first I think. It was a 4 bit per entity (character?) device which was primarily aimed at processing BCD, one (...) (21 years ago, 1-Jul-03, to lugnet.robotics)
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memory
(score: 1.130)
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| | Expanding the memory of the handyboard
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| A number of students that used the handyboard in our Mechatronics competition needed substantially more memory than the 16,320 bytes currently available. What options are there to add memory to the handyboard? Thanks to everyone who contributes to (...) (27 years ago, 16-Feb-98, to lugnet.robotics.handyboard)
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memory
(score: 1.130)
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| | Re: HB Downloader Trouble
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| Success on the first bootstrap download and failure to write into RAM could easily be explained by a fault in the memory circuit. The memory circuit, which includes the 'hc373, the 'hc132, and the RAM chip itself, with about 27 signals going to the (...) (28 years ago, 13-Jan-97, to lugnet.robotics.handyboard)
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memory
(score: 1.130)
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| | Re: Memory/Sampling Rate
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| (...) not easily. half of the lower 32k of the 6811 address space is consumed by the '138 circuit to generate 4 digital input and 4 digital output areas. it would be possible to have some kind of data memory area making use of the signals on the exp (...) (28 years ago, 31-Jul-96, to lugnet.robotics.handyboard)
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memory
(score: 1.130)
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| | memory problems!!
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| Hi, I'm writting a C program for the HB that will allow it to be controlled by a LabVIEW software interface. The problem i'm having is that when my C code goes above 8Kb in size IC won'teven compiule it, it just crashes and the dos window closes. (...) (24 years ago, 21-Apr-00, to lugnet.robotics.handyboard)
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memory
(score: 1.130)
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| | NXT memory map
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| Hi, where can I get some more informations about NXT memory map when system is running ? 1. Startaddress of RAM (Range: 0x0000 0000 - 0x0000 FFFF) ??? 2. Startaddress of Flash (Range: 0x0001 0000 - 0x0003 FFFF) ??? Is it true, that the flashmemory (...) (17 years ago, 6-Aug-07, to lugnet.robotics.nxt.nxthacking)
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memory
(score: 1.130)
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| | Re: Scout memory map and variable extraction
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| Hi Mike, Yes, you're right, I started counting memory at 1 which should ofcourse have been 0, and then the offset indeed makes our findings identical. I've corrected the page on my website (and copied your email into it, hope you don't mind): page (...) (25 years ago, 4-Dec-99, to lugnet.robotics)
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memory
(score: 1.130)
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| | Re: memory left
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| Not to the best of my knowledge, but I'll take a look later this afternoon. If you need to create more memory, take a look at kernel/config.h, and start undefining features that you don't need. None of those will make a huge difference, but they are (...) (24 years ago, 7-Jun-00, to lugnet.robotics.rcx.legos)
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memory
(score: 1.130)
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| | Re: Mindstorms USB connection and memory
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| (...) Steve, Thanks! I was hoping it might work like the memory card in my digital camera. By the way, when your working on the next NXT, a memory card slot would be COOL! I can dream can't I? Sincerely, Todd (18 years ago, 20-Dec-06, to lugnet.robotics)
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memory
(score: 1.130)
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| | IC memory map
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| (...) Right now, IC reserves 16k for shared code and data space. 8k is for the multitasking stacks and interaction download space, and 8k is for pcode. -- Randy (28 years ago, 12-Jul-96, to lugnet.robotics.handyboard)
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memory
(score: 1.130)
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| | IC memory usage
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| (...) IC 3.1's pcode is structured the same way. -- Randy ---...--- Randy Sargent Newton Research Labs Senior Design Engineer Robotic Systems and Software rsargent@newtonlabs.com (URL) (27 years ago, 26-Aug-97, to lugnet.robotics.handyboard)
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memory
(score: 1.130)
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| | Re: Memory
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| (...) Worth a go, but I have to say that O'Reilly's artistic types don't take well to suggestions :-) Not that I don't _lurve_ my horse. I do. Betcha they do a turtle. Cheers, Ben. -- (URL) grandfather once told me that there are two kinds of (...) (26 years ago, 8-Feb-99, to lugnet.robotics)
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memory
(score: 1.130)
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| | Memory
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| (...) an Amoeba or Paramecium would suit well. Stimulus Response, Stimulus Response. Cheers Tim -- Did you check the web site first?: (URL) (26 years ago, 8-Feb-99, to lugnet.robotics)
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memory
(score: 1.130)
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| | RE: Memory
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| (...) No that's no good, people might think the RCX is completely useless. What's the difference between an engineer and a marketroid? The Engineer knows when he's lying. ObLego: When is this book due to come out? what's in it? The Mindstorms (...) (26 years ago, 8-Feb-99, to lugnet.robotics)
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memory
(score: 1.130)
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| | Re: nonvolatile memory
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| Just a thought, you could try one of Dallas Semiconductor's nonvolatile SRAM such as the DS1225Y Cheers, Ranjit (...) -- Ranjit Diol - COMPSys Dowagiac,Michigan e-mail: rsdiol@mich.com website: (URL) (26 years ago, 8-Mar-99, to lugnet.robotics.handyboard)
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memory
(score: 1.130)
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| | Re: nonvolatile memory
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| (...) Actually the DS1225Y is a 8Kx8 NVRAM chip. The correct Dallas part for the HB is a DS1230. Another option is the Simtek EEPROM backed (no battery) chips. They have the same package as a standard RAM chip, whereas the higher profile Dallas (...) (26 years ago, 8-Mar-99, to lugnet.robotics.handyboard)
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memory
(score: 1.130)
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| | Re: Simtek memory
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| (...) [short snip] Problem is the Simtek chip needs a few (...) Bruce, they *do* work well. I haven't had to add any caps. I just plugged it in and it worked 8^]. And they don't collide with the LCD or exp. board like the Dallas battery backed (...) (26 years ago, 23-Mar-99, to lugnet.robotics.handyboard)
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memory
(score: 1.130)
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| | Re: HB Memory
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| Stef, The HB comes with a 32K ram chip addressed at $8000 and above. A fair amount of this space is taken up with the Pcode interpreter if you run Interactive C, but there is still lots of room left for programs. Good luck, Gary Livick (26 years ago, 25-Mar-99, to lugnet.robotics.handyboard)
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memory
(score: 1.130)
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memory
(score: 1.130)
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| | Re: HB memory capacity
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| As IC loads each file, it reports how many bytes each one occupies. Just add 'em up. The IC interpreter is said to occupy approximately half of the 32 kB available, so if your code gets up to about 16 kB total, then you need to worry about trying to (...) (25 years ago, 29-Feb-00, to lugnet.robotics.handyboard)
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memory
(score: 1.130)
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