Z380 Datasheet, PDF (69/115 Pages) Zilog, Inc. – MICROPROCESSOR

ZILOG
8-BIT BIT SET, RESET, AND TEST GROUP
MICROPROCESSOR
Mnemonic
BIT b,r
BIT b,(HL)
BIT b,(XY+d)
Symbolic
Operation
Z ← rb
Z ← (HL)b
Z ← (XY+d)b
SET b,r
SET b,(HL)
SET b,(XY+d)
rb ← 1
(HL)b ← 1
(XY+d)b ← 1
RES b,m
mb ← 0
Flags
P/
SZ x Hx VNC
• ¤ x 1x • 0•
• ¤ x 1x • 0•
• ¤ x 1x • 0•
••x•x•••
••x•x•••
••x•x•••
Opcode
# of Execute
76 543 210 HEX Bytes Time Notes
11 001 011 CB 2
01 b r
11 001 011 CB 2
01 b 110
11 y11 101
4
I
11 001 011 CB
← d →
01 b 110
11 001 011 CB 2
(11) b r
11 001 011 CB 2
(11) b 110
11 y11 101
4
I
11 001 011 CB
← d →
(11) b 110
(10)
To form new opcode replace (11) of SET b,s with (10). s is any of r,(HL), (XY+d).
The notation mb indicates location m, bit b(0~7)
r
Reg
000
B
001
C
010
D
011
E
100
H
101
L
111
A
y
XY
0
IX
1
IY
Notes:
Instructions in Italic face are Z380 new instructions, instructions with underline are Z180 original instructions.
I: This instruction may be operate with DDIR Immediate instructions.
PS010001-0301