Zilog Z80380 - Manual (Page 120)

5-86
Z380 ™
U SER ' S M ANUAL
DC-8297-03
Z ILOG
LD
LOAD REGISTER (BYTE)
LD dst,src dst = R
src = R, RX, IM, IR, X
or
dst = R, RX, IR, X
src = R
Operation: dst
←
src
The contents of the source are loaded into the destination.
Flags: S: Unaffected
Z: Unaffected
H: Unaffected
V: Unaffected
N: Unaffected
C: Unaffected
Load into Register
Addressing
Execute
Mode Syntax Instruction Format Time Note
R: LD Rd,Rs 01-rd-rs 2
RX: LD Rd,RX 11y11101 01-ra10w 2
LD RXa,RXb 11y11101 0110a10b 2
IM: LD R,n 00-r-110 ——n— 2
IR: LD R,(HL) 01-r-110 5+w
X: LD R,(XY+d) 11y11101 01-r-110 ——d— 7+w I
Load from Register
Addressing
Execute
Mode Syntax Instruction Format Time Note
RX: LD RX,Rs 11y11101 0110w-ra 2
LD RXa,RXb 11y11101 0110a10b 2
IR: LD (HL),R 01110-r- 3+w
X: LD (XY+d),R 11y11101 01110-r- ——d— 5+w I
Field Encodings: r: per convention
rd: per convention
rs: per convention
y:
0 for IX, 1 for IY
w: 0 for high byte, 1 for low byte
ra: per convention, for A, B, C, D, E only
a:
destination, 0 for high byte, 1 for low byte
b: source, 0 for high byte, 1 for low byte