SPMCK16Z4MPV20 datasheet(90/500 Pages) FREESCALE

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CENTRAL PROCESSING UNIT

M68HC16 Z SERIES

4-30

USER’S MANUAL

Table 4-3 Instruction Set Abbreviations and Symbols

A — Accumulator A

X — Register used in operation

AM — Accumulator M

M — Address of one memory byte

B — Accumulator B

+1 — Address of byte at M + $0001

CCR — Condition code register

: M + 1 — Address of one memory word

D — Accumulator D

(

…)X — Contents of address pointed to by IX

E — Accumulator E

(

...)Y — Contents of address pointed to by IY

EK — Extended addressing extension field

(

...)Z — Contents of address pointed to by IZ

IR — MAC multiplicand register

E, X — IX with E offset

HR — MAC multiplier register

E, Y — IY with E offset

IX — Index register X

E, Z — IZ with E offset

IY — Index register Y

EXT — Extended

IZ — Index register Z

EXT20 — 20-bit extended

K — Address extension register

IMM8 — 8-bit immediate

PC — Program counter

IMM16 — 16-bit immediate

PK — Program counter extension field

IND8, X — IX with unsigned 8-bit offset

SK — Stack pointer extension field

IND8, Y — IY with unsigned 8-bit offset

SL — Multiply and accumulate sign latch

IND8, Z — IZ with unsigned 8-bit offset

SP — Stack pointer

IND16, X — IX with signed 16-bit offset

XK — Index register X extension field

IND16, Y — IY with signed 16-bit offset

YK — Index register Y extension field

IND16, Z — IZ with signed 16-bit offset

ZK — Index register Z extension field

IND20, X — IX with signed 20-bit offset

XMSK — Modulo addressing index register X mask

IND20, Y — IY with signed 20-bit offset

YMSK — Modulo addressing index register Y mask

IND20, Z — IZ with signed 20-bit offset

S — Stop disable control bit

INH — Inherent

MV — AM overflow indicator

IXP — Post-modified indexed

H — Half carry indicator

REL8 — 8-bit relative

EV — AM extended overflow indicator

REL16 — 16-bit relative

N — Negative indicator

b — 4-bit address extension

Z — Zero indicator

ff — 8-bit unsigned offset

V — Two’s complement overflow indicator

gggg — 16-bit signed offset

C — Carry/borrow indicator

hh — High byte of 16-bit extended address

IP — Interrupt priority field

ii — 8-bit immediate data

SM — Saturation mode control bit

jj — High byte of 16-bit immediate data

PK — Program counter extension field

kk — Low byte of 16-bit immediate data

— — Bit not affected

ll — Low byte of 16-bit extended address

∆ — Bit changes as specified

mm — 8-bit mask

0 — Bit cleared

mmmm — 16-bit mask

1 — Bit set

rr — 8-bit unsigned relative offset

M — Memory location used in operation

rrrr — 16-bit signed relative offset

R — Result of operation

xo — MAC index register X offset

S — Source data

yo — MAC index register Y offset

z — 4-bit zero extension

+ — Addition

• — AND

− — Subtraction or negation (two’s complement)

' — Inclusive OR (OR)

∗ — Multiplication

⊕ — Exclusive OR (EOR)

/ — Division

NOT — Complementation

> — Greater

: — Concatenation

< — Less

⇒ — Transferred

= — Equal

⇔ — Exchanged

≥ — Equal or greater

± — Sign bit; also used to show tolerance

≤ — Equal or less

« — Sign extension

≠ — Not equal

% — Binary value

$ — Hexadecimal value

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