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LD R,A

Load Memory Refresh register R from the accumulator.
Function: R <- A
 
Format:
1110 1101
 
byte 1: ED
 
0100 1111
 
byte 2: 4F
 
Description: The contents of the accumulator are loaded into the Memory Refresh register.
 
Data Flow:
 
Timing: 2 M cycles; 9 T states: 4.5 usec @ 2 MHz
 
Addressing Mode: implicit
 
Flags:
 
(no effect)
 
Example:

OBJECT CODE
Before:
 
After: