z8f1601 ZiLOG Semiconductor, z8f1601 Datasheet - Page 212

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z8f1601

Manufacturer Part Number
z8f1601
Description
Z8 Encore!? Microcontroller With Flash Memory And 10-bit A/d Converter
Manufacturer
ZiLOG Semiconductor
Datasheet

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Table 126. eZ8 CPU Instruction Summary (Continued)
PS017609-0803
Assembly
Mnemonic
DA dst
DEC dst
DECW dst
DI
DJNZ dst, RA
EI
HALT
INC dst
INCW dst
IRET
JP dst
JP cc, dst
JR dst
JR cc, dst
Flags Notation:
Symbolic Operation
dst ¬ DA(dst)
dst ¬ dst - 1
dst ¬ dst - 1
IRQCTL[7] ¬ 0
dst ¬ dst – 1
if dst ¹ 0
IRQCTL[7] ¬ 1
Halt Mode
dst ¬ dst + 1
dst ¬ dst + 1
FLAGS ¬ @SP
SP ¬ SP + 1
PC ¬ @SP
SP ¬ SP + 2
IRQCTL[7] ¬ 1
PC ¬ dst
if cc is true
PC ¬ PC + X
if cc is true
* = Value is a function of the result of the operation.
- = Unaffected
X = Undefined
PC ¬ PC + X
PC ¬ dst
PC ¬ PC + X
Address Mode
IRR
IRR
IRR
DA
DA
DA
DA
RR
RR
dst
IR
IR
IR
R
R
R
r
r
src
Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
Opcode(s)
0D-FD
0A-FA
0B-FB
0E-FE
(Hex)
A0
A1
BF
8D
C4
8B
8F
9F
7F
40
41
30
31
80
81
20
21
C Z
*
*
-
-
-
-
-
-
-
-
-
-
-
-
0 = Reset to 0
1 = Set to 1
*
*
*
*
*
*
-
-
-
-
-
-
-
-
Flags
S V D H
*
*
*
*
*
*
-
-
-
-
-
-
-
-
X
eZ8 CPU Instruction Set
*
*
*
*
*
-
-
-
-
-
-
-
-
*
-
-
-
-
-
-
-
-
-
-
-
-
-
*
-
-
-
-
-
-
-
-
-
-
-
-
-
Z8 Encore!
Cycles
Fetch
2
2
2
2
2
2
1
2
1
1
2
2
1
2
2
1
3
2
3
2
2
Cycles
Instr.
2
3
2
3
5
6
2
3
2
2
2
3
2
5
6
5
2
3
2
2
2
®
194

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