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DEC IX

Decrement IX.
Function: IX <- IX - 1
 
Format:
1101 1101
 
byte 1: DD
 
0010 1011
 
byte 2: 2B
 
Description: The contents of the IX register are decremented and the result is stored back in IX.
 
Data Flow:
 
Timing:
 
Addressing Mode:
 
Flags:
 
(no effect)
 
Example:

OBJECT CODE
Before:
 
After: