Z380 Datasheet, PDF (66/115 Pages) Zilog, Inc. – MICROPROCESSOR

ZILOG
MULTIPLY/DIVIDE INSTRUCTION GROUP (Continued)
MICROPROCESSOR
Mnemonic
DIVUW [HL,]pp
DIVUW [HL,]XY
DIVUW [HL,]nn
Symbolic
Operation
Flags
P/
SZ x Hx VNC
HL(15-0)
← HL(31-0)/pp
HL(31-16) ← remainder
0¤ x • x V• •
HL(15-0)
← HL(31-0)/XY
HL(31-16) ← remainder
HL(15-0)
← HL(31-0)/nn
HL(31-16) ← remainder
0¤ x • x V• •
0¤ x • x V• •
DIVUW [HL,](XY+d) HL(15-0)
← HL(31-0)/(XY+d)
HL(31-16) ← remainder
0¤ x • x V• •
Opcode
# of Execute
76 543 210 HEX Bytes Time Notes
11 101 101 ED 3 20
I
11 001 011 CB
10 111 0pp
← d →
11 101 101 ED 3 20
11 001 011 CB
10 111 10y
11 101 101 ED 5 20
11 001 011 CB
10 111 111 BF
← n →
← n →
11 y11 101
4 22+r I
11 001 011 CB
← d →
10 111 010 BA
r
Reg
000
B
001
C
010
D
011
E
100
H
101
L
111
A
pp
Regs
00
BC
00
DE
11
HL
y
XY
dd
0
IX
00
1
IY
01
10
11
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.
Regs
BC
DE
HL
SP
PS010001-0301