ZiLOG eZ80 - Page 231

eZ80
®
CPU
User Manual
UM007714-0908 CPU Instruction Set
222
LD r, ir
Load Register
Operation
r ← ir
Description
The r operand is any of the 8-bit CPU registers A, B, C, D, or E. The ir operand is any of
the 8-bit registers IXH, IXL, IYH, or IYL. The CPU writes the contents of the specified
ir
register to the selected
r register.
Condition Bits Affected
None.
Attributes
Mnemonic Operand ADL Mode Cycle Opcode (hex)
LD A,IXH X 2 DD, 7C
LD A,IXL X 2 DD, 7D
LD A,IYH X 2 FD, 7C
LD A,IYL X 2 FD, 7D
LD B,IXH X 2 DD, 44
LD B,IXL X 2 DD, 45
LD B,IYH X 2 FD, 44
LD B,IYL X 2 FD, 45
LD C,IXH X 2 DD, 4C
LD C,IXL X 2 DD, 4D
LD C,IYH X 2 FD, 4C
LD C,IYL X 2 FD, 4D
LD D,IXH X 2 DD, 54
LD D,IXL X 2 DD, 55
LD D,IYH X 2 FD, 54
LD D,IYL X 2 FD, 55
LD E,IXH X 2 DD, 5C
LD E,IXL X 2 DD, 5D