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LDD

Block load with decrement.
Function: (DE) <- (HL); DE <- DE - 1; HL <- HL -1; BC <- BC - 1
 
Format:
1110 1101
 
byte 1: ED
 
1010 1000
 
byte 2: A8
 
Description: The contents of the memory location addressed by HL are loaded into the memory location addressed by DE. Then BC, DE, and HL are all decremented.
 
Data Flow:
 
Timing: 4 M cycles; 16 T states: 8 usec @ 2 MHz
 
Addressing Mode: indirect
 
Flags:
 
Example:
LDD

OBJECT CODE
Before:
 
After: