Z380 Datasheet, PDF (51/115 Pages) Zilog, Inc. – MICROPROCESSOR

ZILOG
16/32 BIT LOAD GROUP
Mnemonic
LD dd,nn
Symbolic
Operation
dd ← nn
LD XY,nn
XY ← nn
Flags
P/
SZ x Hx VNC
••x•x•••
••x•x•••
LD HL,(nn)
LD dd,(nn)
H ← (nn+1)
L ← (nn)
ddh ← (nn+1)
ddl ← (nn)
••x•x•••
••x•x•••
LD XY,(nn)
XYU ← (nn+1) • • x • x • • •
XYL ← (nn)
LD (nn),HL
LD (nn),dd
(nn+1) ← H
(nn) ← L
(nn+1) ← ddh
(nn) ← ddl
••x•x•••
••x•x•••
LD (nn),XY
(nn+1) ← XYU • • x • x • • •
(nn) ← XYL
LD W(pp),nn (pp+1) ← nh
(pp) ← nl
••x•x•••
LD pp,(uu)
LD (pp),uu
LD SP,HL
LD SP,XY
LD pp,UU
LD XY,pp
LD IX,IY
pph ← (uu+1)
ppl ← (uu)
(pp+1) ← uuh
(pp) ← uul
SP ← HL
SP ← XY
pp ← UU
XY ← pp
IX ← IY
••x•x•••
••x•x•••
••x•x•••
••x•x•••
••x•x•••
••x•x•••
••x•x•••
MICROPROCESSOR
Opcode
76 543 210
00 dd0 001
← n →
← n →
11 y11 101
00 100 001
← n →
← n →
00 101 010
← n →
← n →
11 101 101
01 dd1 011
← n →
← n →
11 y11 101
00 101 010
← n →
← n →
00 100 010
← n →
← n →
11 101 101
01 dd0 011
← n →
← n →
11 y11 101
00 100 010
← n →
← n →
11 101 101
00 pp0 110
← n →
← n →
11 011 101
00 pp1 1uu
11 111 101
00 pp1 1uu
11 111 001
11 y11 101
11 111 001
11 UU1 101
00 pp0 010
11 y11 101
00 pp0 111
11 011 101
00 100 111
# of Execute
HEX Bytes Time Notes
3
2 L1,I
4
21
2 L1,I
2A
3
3+r L1,I
ED 4 3+r L1,I
4 3+r L1,I
2A
22
3 4+w L1,I
ED 4 4+w L1,I
4 4+w L1,I
22
ED 4 3+w L1,I
DD 2 2+r L1
FD 2 3+w L1
F9
1
2
F9
2
2
L1
2
L1
2
L1
2
2
L1
DD 2
27
2
L1
PS010001-0301