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Old 22 September 2019, 12:46   #1
D4Ni3L3
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Illegal Operator opt c-,ow, o+

Hello to everyone here...

I started studying 68000 Assembly language and installed ASM-One V1.20 on WinUAE with KS1.3.

In addition to the basics of the MC68000 I am also trying to take a look to some sources and obviously can't be missing a sneak peek to the code of some intros that made so facinating this topic.

Incredible lines of code ... amazing!...

But ...when it comes to assemble some of them I am often experiencing the same error:

** Illegal Operator
24 opt c-,ow, o+

Can you tell me how to get rid of this and go on?

Thanks a lot!
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Old 22 September 2019, 13:16   #2
Don_Adan
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Try
; opt c-,ow, o+
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Old 22 September 2019, 17:12   #3
meynaf
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Apparently the code was made to assemble with Devpac and Asm-one does not recognise the options.
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Old 22 September 2019, 18:10   #4
D4Ni3L3
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Quote:
Originally Posted by Don_Adan View Post
Try
; opt c-,ow, o+
Thanks! Now it works!
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Old 22 September 2019, 20:06   #5
phx
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You're lucky. "opt c-" disables case-sensitivity. So this feature was not used in the source.

"opt o+" enables most optimizations, so the code generated by AsmOne is probably worse.
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Old 23 September 2019, 21:45   #6
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Quote:
Originally Posted by phx View Post
You're lucky. "opt c-" disables case-sensitivity. So this feature was not used in the source.

"opt o+" enables most optimizations, so the code generated by AsmOne is probably worse.

Very Good to know! Thanks!
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