bugZ80 assembler - Bugs: bug #60921, Opcodes for OR IYL / OR IYH...

 
 

bug #60921: Opcodes for OR IYL / OR IYH appears inverted

Submitted by:  None
Submitted on:  Thu 15 Jul 2021 06:17:46 PM UTC
 
Category:  None Severity:  3 - Normal
Item Group:  None Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open
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Thu 15 Jul 2021 06:17:46 PM UTC, original submission:  

Some websites like:
- https://clrhome.org/table/#or%20ixh
- http://www.z80.info/z80undoc.htm

I also tried Visual Studio Code extensions like Z80 Assembly Meter and Z80 Instruction Set and they show the same result as another assembler:

OR IYH -> FDB4
OR IYL -> FDB5

But it seems z80asm does the opposite. Note the issue may be also the same for AND, XOR and IX part.

Regards

Anonymous

 

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