Z380 Datasheet, PDF (50/115 Pages) Zilog, Inc. – MICROPROCESSOR

ZILOG
8-BIT LOAD GROUP (Continued)
Mnemonic
LD XYU,s
LD XYL,s
LD s,XYU
LD s,XYL
LD A,I
LD A,R
LD I,A
LD R,A
Symbolic
Operation
XYU ← s
XYL ← s
s ← XYU
s ← XYL
A←I
A←R
I←A
R←A
Flags
P/
SZ x Hx VNC
••x•x•••
••x•x•••
••x•x•••
••x•x•••
¤ ¤ x 0 x IEF 0 •
¤ ¤ x 0 x IEF 0 •
••x•x•••
••x•x•••
MICROPROCESSOR
Opcode
76 543 210
11 y11 101
01 100 s
11 y11 101
01 101 s
11 y11 101
01 s 100
11 y11 101
01 s 101
11 101 101
01 010 111
11 101 101
01 011 111
11 101 101
01 000 111
11 101 101
01 001 111
# of Execute
HEX Bytes Time Notes
2
2
2
2
2
2
2
2
ED 2
2
57
ED 2
2
5F
ED 2
2
47
ED 2
2
4F
r,r
Reg
000 B
001 C
010 D
011 E
100 H
101 L
111 A
s
Regs
y XY
000 B
0 IX
001 C
1 IY
010 D
011 E
100 IXU (x = 0),IYU(x = 1)
101 IXL (x = 0),IYL(x = 1)
111 A
Notes:
Instructions in Italic face are Z380 new instructions, instructions with underline are Z180 original instructions.
I: This instruction may be used with DDIR Immediate instructions.
PS010001-0301