asm68c Activity
Assembles M6800 and 6801 assembly language source code. (and Forth)
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Activity for asm68c
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Joel Rees posted a comment on discussion Help
2023年1月18日(水) 0:49 JOHN DIMEGLIO johnd007@users.sourceforge.net: I don't know, why would the asm68c 6800 assembler cause the software to go into a (not responding) mode or freeze up, when after initiating a compile of a 6800 assembly program? Well, help me out here, I need more information. For starters, what operating system are you using? Also, what C compiler did you use to compile the assembler? What warnings and errors did the compiler tell you when you compiled it? And, how are you invoking...
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JOHN DIMEGLIO posted a comment on discussion Help
I don't know, why would the asm68c 6800 assembler cause the software to go into a (not responding) mode or freeze up, when after initiating a compile of a 6800 assembly program? My email address: johndimeglio957@yahoo.com. Thank you.
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2022年9月17日(土) 15:04 Richard Rothwell chergr@users.sourceforge.net: Hi, Hi, and thanks. I can run figforth on the simulator fine. Except typing WORDS look like this. WWOORRDDSS Typing backspace backspaces 5 characters. This does not occur in the exorsim monitor, so I figure its an issue with the forth and its adaption to call EXBUG for EMIT and KEY. I have not diagnosed this properly yet, but though you might like to know, To tell you the truth, I haven't properly worked out how the EXORsim terminal...
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Richard Rothwell posted a comment on discussion Help
Hi, I can run figforth on the simulator fine. Except typing WORDS look like this. WWOORRDDSS Typing backspace backspaces 5 characters. This does not occur in the exorsim monitor, so I figure its an issue with the forth and its adaption to call EXBUG for EMIT and KEY. I have not diagnosed this properly yet, but though you might like to know,
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asm68c released /asm68c-code.tar.xz
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Home
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Home
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List switches, .bin and .c10 output formats
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Now assembles Tom Pittman's Tiny BASIC (Holger Veit transcription)
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adding semicolon comments, etc.
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lengthening the labels so tiny basic can assemble
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Maybe I can assemble stdin now?
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now assembles most of tiny basic
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bring in the 6801 version forth
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Correcting asmspec
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Okay, I finally got the proper fix for this into the repository.
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Fix an outstanding bug in strsave()
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adding a socialized fig-forth for people's convenience.
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socialize.pl is now just for converting counted strings to quoted.
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Fixing the FCC handling.
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And likewise. Sorry I was so slow to take a real look at it. It'll be a few weeks, at least, before I can push a fix in. Wish I had more time to work on it. Want to set it up to handle some of the other Motorola 8-bit processors, but I'd probably do better to rewrite it from scratch.
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On the other hand, 2017/08/10 3:53 "Ron Yorston": Here's a really, really basic source file: FLAG EQU $E084 FIRST EQU $15CF This produces output like: | 15cf:FIRST || 15cf:FIRST || e084:FLAG | | e084:FLAGa | where the second, duplicated symbols have a surplus character appended. Sometimes printable, sometimes not. And sometimes the assembler crashes without any output. This is on Linux: Fedora 26. There's only one use of the macro mystrcpy, in strsave. length+1 bytes are allocated for newword and...
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On the other hand, 2017/08/10 3:53 "Ron Yorkston": Here's a really, really basic source file: FLAG EQU $E084 FIRST EQU $15CF This produces output like: | 15cf:FIRST || 15cf:FIRST || e084:FLAG | | e084:FLAGa | where the second, duplicated symbols have a surplus character appended. Sometimes printable, sometimes not. And sometimes the assembler crashes without any output. This is on Linux: Fedora 26. There's only one use of the macro mystrcpy, in strsave. length+1 bytes are allocated for newword and...
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Ron Yorston posted a comment on discussion Help
Thanks for looking at this. On Fedora 26 I have gcc 7.1.1 and glibc 2.25. It's a 64-bit system. I've now built and used the assembler on a 32-bit CentOS 6 system with gcc 4.4.7 and glibc 2.12. In this case my source assembled without incident. Clearly it's system-dependent. On both Fedora and CentOS Valgrind identifies the problem. With my suggested change to the macro Valgrind doesn't report any runtime errors.
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On the other hand, 2017/08/10 3:53 "Ron Yorston" rmyorston@users.sf.net: Here's a really, really basic source file: FLAG EQU $E084 FIRST EQU $15CF This produces output like: | 15cf:FIRST || 15cf:FIRST || e084:FLAG | | e084:FLAGa | where the second, duplicated symbols have a surplus character appended. Sometimes printable, sometimes not. And sometimes the assembler crashes without any output. This is on Linux: Fedora 26. There's only one use of the macro mystrcpy, in strsave. length+1 bytes are allocated...
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This is very odd. I don't see this behavior on my system -- Debian Wheezy, gcc 4.7.2 as of now. If you look at, say, fig-forth/fig-forth.list.goal, you should be able to see the results I get. I hope you'll be patient with me about this, because it would be a big favor if I could ask you to descend into the test-stuff directory and the fig-forth directory and do a make and make test in each of those, preferably with a fresh copy of the source, and tell me what the diffs say. And I've left this out...
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Here's a really, really basic source file: FLAG EQU $E084 FIRST EQU $15CF This produces output like: | 15cf:FIRST || 15cf:FIRST || e084:FLAG | | e084:FLAGa | where the second, duplicated symbols have a surplus character appended. Sometimes printable, sometimes not. And sometimes the assembler crashes without any output. This is on Linux: Fedora 26. There's only one use of the macro mystrcpy, in strsave. length+1 bytes are allocated for newword and the macro is invoked as: mystrcpy(newword, oldword,...
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Thanks for giving the assembler a try. My 6800 source code is not producing any writes beyond allocation. Could you show some of your lines where this occurs, and describe the output you are getting?
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Thanks for releasing this assembler. I tried it with some of my 1983-vintage code and found a problem: when the mystrcpy macro pre-terminates the new string it writes beyond the end of the allocated buffer.
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Joel Matthew Rees committed [88511d]
Getting a start on emulation.
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Joel Matthew Rees committed [17e38e]
More of the mnemonics table split (svn habits a...
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Joel Matthew Rees committed [282c63]
Split the mnemonics table out to make it more a...
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