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Hacking up Honda's ECU
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PostPosted: Mon Mar 14, 2005 12:44 pm 
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Joined: Tue Jul 27, 2004 2:27 am
Posts: 244
Location: Bay Area, CA
Hi,

I was working on commenting the 273 rom and noticed that the byte sequence C6 00 5B was dasmed to CMP A, #5b00. I'm sure this is correct because makes sense in context, but I was wondering why this does not match with the documentation for the nX-8/500S Core instruction manual? In that document, the only op that starts with C6 is a MOV command. Where did whoever wrote the dasm program get the correct opcodes?

91crxsi


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PostPosted: Mon Mar 14, 2005 3:30 pm 
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PGMFI Elf

Joined: Tue Jul 27, 2004 2:17 am
Posts: 1413
Location: Phoenix, AZ
OKI 66201 Op Code list...

CMP A, obj

#N16 | C6 | NL | NH


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PostPosted: Tue Mar 15, 2005 12:42 am 
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Joined: Tue Jul 27, 2004 2:27 am
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...yes, but where did the 66201 op code list come from (what document)? I thought it was from the nX-8/500S core document, but I guess not. Does anyone have a soft copy of the correct document?

Thanks,
91crxsi


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PostPosted: Thu Mar 24, 2005 12:35 pm 
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Senior Developer

Joined: Tue Jul 27, 2004 2:09 am
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Location: Cincinnati, Ohio
the PDFs are on the wiki.


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