bugZ80 assembler - Bugs: bug #6659, rlc r,(ix+nn) and friends don't...

 
 

bug #6659: rlc r,(ix+nn) and friends don't work

Submitted by:  Bas Wijnen <shevek>
Submitted on:  Wed 19 Nov 2003 11:48:37 AM UTC  
 
Category: NoneSeverity: 2 - Minor
Item Group: NoneStatus: None
Privacy: PublicAssigned to: None
Open/Closed: Open

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Wed 29 Sep 2004 12:13:17 PM UTC, comment #2:

Hmm, very strange indeed. Well, I guess this should be supported then :-)

Bas Wijnen <shevek>
Project Administrator
Tue 28 Sep 2004 08:29:49 PM UTC, comment #1:

No, RLC IXH doesn't exist. The DDCB and FDCB prefixes have an even more strange interpretation, apparently caused by the fact that the index comes before the final opcode byte, so:

DD CB nn 00+r actually is a bizarre opcode usually called RLC r,(IX+nn). See:

http://www.geocities.com/SiliconValley/Peaks/3938/z80undoc.htm

... for the details.

H. Peter Anvin <hpanvin>
Wed 19 Nov 2003 11:48:37 AM UTC, original submission:

commands like rlc ixh are not supported. They should be.

Bas Wijnen <shevek>
Project Administrator

 

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Follow 2 latest changes.

Date Changed By Updated Field Previous Value => Replaced By
Wed 29 Sep 2004 12:13:17 PM UTCshevekSeverity3 - Normal=>2 - Minor
  Summaryshift and rotate with i[xy][hl] don't work=>rlc r,(ix+nn) and friends don't work

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