patchZ80 assembler - Patches: patch #9377, Add support for inc ixl, etc....

 
 

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patch #9377: Add support for inc ixl, etc. undocumented instructions

Submitted by:  Tomaž Šolc <avian>
Submitted on:  Wed 14 Jun 2017 09:13:21 AM UTC  
 
Category:  None Priority:  5 - Normal
Status:  None Privacy:  Public
Assigned to:  None Open/Closed:  Open

Wed 14 Jun 2017 09:13:21 AM UTC, original submission:

Hi

I've noticed that z80asm doesn't support the following undocumented instructions:

inc ixl ; dd 2c
inc ixh ; dd 24
inc iyl ; fd 2c
inc iyh ; fd 24
dec ixl ; dd 2d
dec ixh ; dd 25
dec iyl ; fd 2d
dec iyh ; fd 25

See this page for details http://www.z80.info/z80undoc.htm

It does seem to support ixl, ixh, iyl, iyh register operands in other instructions, but not in inc and dec instructions.

This patch adds support for these operands in inc and dec instructions and also adds some tests.

Best regards
Tomaž

Tomaž Šolc <avian>

 

Attached Files
file #40914:  inc-ixl-undoc.patch added by avian (2KiB - text/x-patch)

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -email is unavailable- added by avian (Submitted the item)
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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2017-06-14 avian Attached File- => Added inc-ixl-undoc.patch, #40914

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