 | | Re: Bug in HEX handling?
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(...) Thanks. That helps. Case sensitivity is good but requiring upper case for hex is annoying. I suppose this is forth standard. That is one thing that I find annoying about forth, that most builtin words are upper case. It reveals the age of (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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| | RE: Bug in HEX handling?
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(...) If you use U. (unsigned dot) you will get FFFF. The "." is for signed numbers. (...) Yes it is, but pbForth is case sensitive. Cheers, Ralph Hempel - P.Eng ---...--- Check out pbFORTH for LEGO Mindstorms at: (URL) ---...--- Reply to: rhempel (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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| | Bug in HEX handling?
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HEX is not working the way I think it should in 1.1.1. Is this wrong or do I not understand something. This is 1.1.1 pbmax.srec. ok DECIMAL ok 65536 DUP . -1 ok HEX . -1 Why isn't this ffff? ok 300b 300b ? undefined word Isn't 300b a legal hex (...) (24 years ago, 23-May-00, to lugnet.robotics.rcx.pbforth)
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| | FW: pbForth Feedback
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-----Original Message----- From: ian@dolphin.pst.cfmu...control.be [mailto:ian@dolphin....ontrol.be] On Behalf Of Ian Wild Sent: Monday, May 22, 2000 3:18 AM To: Ralph Hempel Subject: Re: pbForth Feedback (...) Indeed it did not. I've patched four (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: Finally able to add asm forth words (long)
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(...) Yep. But if I have two choices I will always steal from working code over documentation. I will always write code in C first and see what assembler the compiler creates, especialy on a new machine. Trust what already works. -- (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.pbforth)
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| | Taking the plunge
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OK I'm about to nervously take the plunge. My code assembles and I'm about to push it off the cliff and see if it flies. If any one feels bored please feel free to review the following and make comments. Finding bugs by inspection is always easier. (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.pbforth)
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| | RE: Finally able to add asm forth words (long)
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(...) Steve, You ARE using Kekoa's Internals document, right? Here's the part that describes the interrupt vector redirection. In fact, that's what I do for grabbing the OC1B interrupt for the servo control words... remember intercepting the (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: Finally able to add asm forth words.
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(...) It puzzled me for quite a while until I realized that the output was in pbforth.s. Once I saw the results it was much easier. (...) I agree. I have no interest in supporting a varient. I'll hack until it seems to work and then pass it to you (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.pbforth)
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| | RE: Finally able to add asm forth words.
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(...) As they say (with a striaght face in the original C library) "Use the fork, Luke" I hope you didn't find the M4 stuff too much of a brain-bender. I'd be hard pressed to tell you how it works anymore... (...) Ummm, because the original hForth (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.pbforth)
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| | Finally able to add asm forth words.
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Yeah!! After lots of reading and study and experimentation and suggestions from Ralph I finally added a new word to the .asm files. It was a simple word. I just cloned DUP under a different name. But it works. Now I am truely turned to the dark (...) (24 years ago, 22-May-00, to lugnet.robotics.rcx.pbforth)
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| | RE: pbForth gui
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(...) Hmmm...this is a good alternative, the dialog would then point the user in the right direction, which is the rcxoption.tcl file. I like it. I could even do it when the com port could not be opened... (...) This is wierd. It works just fine on (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.pbforth)
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| | RE: Help with Terminal Emulator
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(...) I have run into this too, Jerry. A few especially bothersome noise sources include video cameras, security systems, and remote controls. You might consider covering the RCX and tower with a box or towel... I'm glad the terminal emulator works (...) (24 years ago, 21-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: Help with Terminal Emulator
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I think my problem is bounce back noise. I doubled checked the port settings, started with a fresh set of batteries, made sure I had a clear buffer, but what made the difference is where I am doing my programming. I'm working off of a laptop, and (...) (24 years ago, 20-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: Is there a compatible h8 assembler for forth words?
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(...) A good rule. I just know I'm going to need fast so I am planning ahead. Somehow I'm usually at the bleeding edge of trying to squeeze everything possible out of limited hardware. I originally learned my Forth on a 68000 (Mac Forth on the (...) (24 years ago, 20-May-00, to lugnet.robotics.rcx.pbforth)
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| | RE: Is there a compatible h8 assembler for forth words?
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(...) No there is not. That being said, it's pretty easy to write one...if you have the time. I fiddled around with it a bit and then gave up since the GNU tools worked pretty quick. It was strictly a time/value exchange. From bitter experience, (...) (24 years ago, 19-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: Is there a compatible h8 assembler for forth words?
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(...) I don't think this is clear. I ment an assembler written in pbforth that can create assembler defined words in the RCX (24 years ago, 19-May-00, to lugnet.robotics.rcx.pbforth)
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| | Is there a compatible h8 assembler for forth words?
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I asked this once before but in the middle of an unrelated email so the question got lost. (24 years ago, 19-May-00, to lugnet.robotics.rcx.pbforth)
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| | RE: hforth register usage
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(...) Right. If you look at the beginning of h8hforth.asm, I've abstracted the actual register names so I could move them around....here's the snippet from the file... ; The H8/300 Forth machine register usage has to be closely intertwined with ; (...) (24 years ago, 19-May-00, to lugnet.robotics.rcx.pbforth)
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| | hforth register usage
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Ralph, I'm trying to add an assembler word and trying to deduce register. usage. Could you verify for me please. It looks like the top cell on the stack is actually a register (r6). The second cell on the stack is pointer to by r7. This means that (...) (24 years ago, 19-May-00, to lugnet.robotics.rcx.pbforth)
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| | Re: Help with Terminal Emulator
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(...) At first look, I thought this looked like a baud rate problem. But with Ralph's program (at least on my machine), you can't really screw up....the baud rate is set in rcxutil.tcl, and overrides whatever you do in the control panel "ports" (...) (24 years ago, 18-May-00, to lugnet.robotics.rcx.pbforth)
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