Z8FMC16100 Datasheet, PDF (311/402 Pages) Zilog, Inc. – Z8 Encore-R Motor Control Flash MCUs

Z8FMC16100 Series Flash MCU
Product Specification
289
Table 165. eZ8 CPU Instruction Summary (Continued)
Assembly
Mnemonic
Address
Mode
Symbolic Operation dst src
CPCX dst, src dst – src – C
ER ER
ER IM
CPX dst, src dst – src
ER ER
ER IM
DA dst
dst ← DA(dst)
R
IR
DEC dst
dst ← dst – 1
R
IR
DECW dst
dst ← dst – 1
RR
IRR
DI
IRQE ← 0
DJNZ dst, RA dst ← dst – 1
r
if dst ≠ 0
PC ← PC + X
EI
IRQE ← 1
HALT
HALT Mode
INC dst
dst ← dst + 1
R
IR
r
INCW dst
dst ← dst + 1
RR
IRR
IRET
FLAGS ← @SP
SP ← SP + 1
PC ← @SP
SP ← SP + 2
IRQE ← 1
Note: Flags Notation:
* = Value is a function of the result of the operation.
– = unaffected.
X = undefined.
0 = reset to 0.
1 = set to 1.
Op
Code(s)
(Hex)
1F A8
1F A9
A8
A9
40
41
30
31
80
81
8F
0A–FA
9F
7F
20
21
0E–FE
A0
A1
BF
Flags
Fetch Instr.
C Z S V D H Cycles Cycles
* * * * —— 5
3
5
3
* * * * —— 4
3
4
3
* * * X —— 2
2
2
3
—* * * v— 2
2
2
3
— * * * —— 2
5
2
6
—————— 1
2
—————— 2
3
—————— 1
2
—————— 1
2
— * * * —— 2
2
2
3
1
2
— * * * —— 2
5
2
6
****** 1
5
PS024604-1005
PRELIMINARY
eZ8 CPU Instruction Set