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AlexC
Registered: Jan 2008
Posts: 299 |
Illegal opcodes support
Can somebody point me to cartridges / roms that support illegal opcodes during disassembly - besides TFR.
Thanks in advance |
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LHS
Registered: Dec 2002
Posts: 66 |
IDE64 with a new Soci's firmware. |
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Burglar
Registered: Dec 2004
Posts: 1101 |
afaik the vice monitor supports undoc ops as well |
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Cruzer
Registered: Dec 2001
Posts: 1048 |
Vice does indeed.
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AlexC
Registered: Jan 2008
Posts: 299 |
I'm looking rather for info on cartridges like hacked version of AR or Expert for example (monitors loaded from disk/tape also count in). I can refine my question and ask how did you guys handle illegal opcodes in good old times. On the other hand I remember seeing few hacked versions of Turbo Assembler that could handle illegal opcodes. |
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LHS
Registered: Dec 2002
Posts: 66 |
In old good times I have coded f.e.:
.byte $AF, $00, $20 ;LAX $2000
:-D
I mean the Assblaster knows illegal opcodes (I am not sure). |
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Radiant
Registered: Sep 2004
Posts: 639 |
I still use .byte + comment when I need illegals, haven't bothered fiddling with ca65 to get proper support. I mean, it's not like you use them that often in any case, compared to the regular opcodes. |
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Frantic
Registered: Mar 2003
Posts: 1648 |
RadiantX: Try "--cpu 6502X" as one of the options sent to ca65 and illegals will be available for youuuu..
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Zyron
Registered: Jan 2002
Posts: 2381 |
Monster-Mon V5.1 Preview supports them IIRC. |
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chatGPZ
Registered: Dec 2001
Posts: 11386 |
one of the original SMON versions handles illegals too |
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AlexC
Registered: Jan 2008
Posts: 299 |
Talking about cross assemblers don't forget about dreamass ;) It supports illegal opcodes by using .cpu "6510ill" macro. But my main intrest are old cartriges as I said. |
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