ZiLOG Z80380 User Manual page 116

Z
ILOG
LD
LOAD ACCUMULATOR
LD dst,src
dst ← src
Operation:
The contents of the source are loaded into the destination.
S: Unaffected
Flags:
Z: Unaffected
H: Unaffected
V: Unaffected
N: Unaffected
C: Unaffected
Load into Accunulator
Addressing
Mode Syntax
LD A,R
R:
RX: LD A,RX
IM: LD A,n
IR: LD A,(HL)
LD A,(IR)
LD A,(nn)
DA:
X: LD A,(XY+d)
Load from Accunulator
Addressing
Mode Syntax
R: LD Rd,A
RX: LD RX,A
IR: LD (HL),A
LD (IR),A
DA: LD (nn),A
X:
LD (XY+d),A
Field Encodings: r: per convention
y: 0 for IX, 1 for IY
w: 0 for high byte, 1 for low byte
a: 0 for BC, 1 for DE
5-82
dst = A
src = R, RX, IM, IR, DA, X
or
dst = R, RX, IR, DA, X
src = A
Instruction Format
01111-r-
11y11101 0111110w
00111110 ——n—
01111110
000a1010
00111010 -n(low)- -n(high)
11y11101 01111110 ——d—
Instruction Format
01-r-111
11y11101 0110w111
01110111
000a0010
00110010 -n(low)- -n(high)
11y11101 01110111 ——d—
U '
SER
Execute
Time Note
2
2
2
2+r
2+r
3+r I
4+r I
Execute
Time Note
2
2
3+w
3+w
4+w I
5+w I
DC-8297-03
Z380 ™
M
S ANUAL