KermMartian at 08:00, 6 February 2016

2016-02-06T08:00:14Z

← Older revision		Revision as of 08:00, 6 February 2016
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	<!-- What the instruction can be used for -->		<!-- What the instruction can be used for -->
	DJNZ is a very useful instruction when it comes to creating loops. See [[Z80:Control~~-structures~~\|Control Structures]] to find out more about loops.		DJNZ is a very useful instruction when it comes to creating loops. See [[Z80:Control Structures\|Control Structures]] to find out more about loops.

	== T-States ==		== T-States ==

Maintenance script: Initial automated import

2016-02-05T22:33:05Z

Initial automated import

New page

Decreases B and jumps to a label if not zero. Note that DJNZ does a relative jump, so it can only jump between 128 bytes back/ahead.

== Syntax ==



djnz label

== Effects ==


Preserves all flags.

== Uses ==


DJNZ is a very useful instruction when it comes to creating loops. See [[Z80:Control-structures|Control Structures]] to find out more about loops.

== T-States ==
{| class="wikitable"
| B != 0 || 13
|-
| B == 0 || 8
|}
== See Also ==


[[Z80:Opcodes:CALL|CALL]],[[Z80:Opcodes:JP|JP]],[[Z80:Opcodes:JR|JR]]

{{lowercase}}
[[Category:Z80 Assembly]]
[[Category:Z80 Heaven]]
[[Category:Z80 Opcodes]]

Z80:Opcodes:DJNZ - Revision history

KermMartian at 08:00, 6 February 2016

Maintenance script: Initial automated import