hi guys
i am toying with 65C02 emulator and i wander if i can use (or modify) the c65's tools chain in order to compiler for 68hc11.
I don't know exactly which differences between 65202 and 68hc11 because i have learned only the last one.

is it possible to use c65 to compile for hc11 ? i know there is gcc-hc11, but … i do not like gcc at all.

legacy:

ImageCraft has an offer at the moment that provides access for a 30-day period to its HC11 C compiler development toolset: www.imagecraft.com. If you find it useful, then its price may be in your price range.

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Michael A.

yes but i'd like to have an hc11 c compiler on my PowerPC, too, so i need sources in order to recompile, unfortunately i do not like gcc at all.

What about my question: how similar is 6811 to 6502 ? they both be compatible with 6800, so … i wander

I'm sorry if the question offends you, but could you tell us why?

They are related, but rather distantly. It would take significant effort to modify an assembler, and quite a bit more to modify a compiler made for one to work for the other. I'm not saying that it's impossible, just difficult, especially for a casual hobbyist like me.

Mike

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http://WilsonMinesCo.com/ lots of 6502 resources
The "second front page" is http://wilsonminesco.com/links.html .
What's an additional VIA among friends, anyhow?

the hc11 branch of gcc is broken in the newer branches, and it is is very difficult to be configured and compiled, very complicated, especially if you want a PowerPC host instead of x86/PC as in my case: i need sources in order to compiler the c11 compiler on a linux/ppc host.

Also, gcc-11 is very bloated about the asm code it generates from C: i tried Cosmic-C/trial (which compile for a maximum of 4Kbyte, with bigger final app it stops to work and you need to buy a license) and the C-to-ASM code i have seen is prettier, less bloated than the one from gcc11 -S.

unfortunately i do not know 6502 at all, never heard about it till 4 days ago when i read about c65, which appears to me to be very pretty and easy C compiler!

I do not know 6502 but i know 68hc11 very well, i mean a lot of project done, and i am still using it, and i have been studying 6809 for a soft core project, such like fpga around spartan3-500 implementation, just for fun: so … i can say "yes"

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http://WilsonMinesCo.com/ lots of 6502 resources
The "second front page" is http://wilsonminesco.com/links.html .
What's an additional VIA among friends, anyhow?

Er, your 'evil twin' must have joined this forum 13 months ago then, and mingled with the well-respected Arlet, BDD, and others!

Mike

If you felt like a little project, Small-C should target 68hc11 very nicely, if someone hasn't done it already.

I plugged the phrase Small-C should target 68hc11 into my evil search engine, and this was the first link.

Mike

small c ? Yeah, it may be good, is there any repo/branch with the compiler's sources ?

Never seen 6502'ISA before, never analyzed or played with it, 13 months ago i was looking for 6809's info (for the softcore in the fpga project) and i was considering 6502 as a 6800 clone, which is not correct because they are related but not equivalent as i am learning now.

Barry, he's on PowerPC, so that link won't help him (I don't see source).

legacy, try any of the links here: http://www.cpm.z80.de/small_c.html
The "Small C for the Unix platform" appears to work on my G5. However, I eventually abandoned it to work on an interpreted runtime, so I can't vouch for it in great detail. My bet is, someone out there has done this work already, but if you can't find it, Small C is pretty straightforward to retarget.

Alas, no. The 6809 was a wonderful upgrade of the 6800, with new instructions, registers, and addressing modes. When Motorola introduced the 'HC11 they "downgraded" back to the basic 6800 instruction set architecture. The more recent 'HC12 did include many of the improvements of the 6809.

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Because there are never enough Forth implementations: http://www.camelforth.com