EX (SP),IY

 Exchange IY with top of stack.
Function: (SP) <- IYlow; (SP + 1) <- IYhigh
 
Format:
1111 1101
  		byte 1: FD
 
1110 0011
  		byte 2: E3
 
Description: The contents of the low order of the IY register are exchanged with the contents of the memory location addressed by the stack pointer. The contents of the high order of the IY register are exchanged withh the contents of the memory location immediately following the one addressed by the stack pointer.
 
Data Flow:
 
Timing: 6 M cycles; 23 T states: 11.5 MHz @ 2 MHz
 
Addressing Mode: indirect
 
Flags:
 		 (no effect)
 
Example: 








OBJECT CODE		
Before:
 		
After: