Z380 Datasheet, PDF (76/115 Pages) Zilog, Inc. – MICROPROCESSOR

ZILOG
INPUT AND OUTPUT INSTRUCTIONS FOR ON-CHIP I/O SPACE
MICROPROCESSOR
Mnemonic
INO r,(n)
INO (n)
OUT0 (n),r
TSTIO n
OTIIM
OTIIMR
OTDM
OTDMR
Symbolic
Operation
r ← (n)
r ← (n)
Changes Flag only.
(n) ← r
(C) AND n
(C) ← (HL)
HL ← HL + 1
C ← C+1
B←B-1
(C) ← (HL)
HL ← HL + 1
C←C+1
B ← B -1
Repeat until B = 0
(C) ← (HL)
HL ← HL - 1
C←C-1
B←B-1
(C) ← (HL)
HL ← HL - 1
C←C-1
B←B-1
Repeat until B = 0
Flags
P/
SZ x Hx VNC
¤ ¤ x 0x P0•
¤ ¤ x 0x P0•
••x•x •••
¤ ¤ x 1x P00
¤ ¤ x ¤ x P¤ ¤
01x0x 1¤0
(2)
¤ ¤ x ¤ x P¤ ¤
01x0x 1¤0
(2)
Opcode
# of Execute
76 543 210 HEX Bytes Time Notes
11 101 101 ED
00 r 000
← n →
11 101 101 ED
00 r 000 30
← n →
11 101 101 ED
00 r 001
← n →
11 101 101 ED
01 110 100 74
← n →
11 101 101 ED
10 000 011 83
3 3+i (3)
3 3+i (3)
3 3+o (3)
3 3+i (3)
3 2+r+o (3),N
11 101 101 ED
10 010 011 93
3 2+r+o (3),N
11 101 101 ED
10 001 011 8B
3 2+r+o (3),N
11 101 101 ED
10 011 011 9B
3 2+r+o (3),N
r
Reg
010
D
011
E
100
H
101
L
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.
N: In Native mode, this instruction address modulo 65536.
(1): P/V flag is 0 if the result of BC-1 = 0, otherwise P/V = 1/.
(2): P/V flag is 0 only at completion of instruction.
PS010001-0301