Chapter 2. ColdFire Core
2-23
Instruction Set Summary
2.6 Instruction Set Summary
The ColdFire instruction set is a simplified version of the M68000 instruction set. The
removed instructions include BCD, bit field, logical rotate, decrement and branch, and
integer multiply with a 64-bit result. Nine new MAC instructions have been added.
Table 2-6 lists notational conventions used throughout this manual.
Table 2-5. ColdFire Effective Addressing Modes
Addressing Modes
Syntax
Mode
Field
Reg.
Field
Category
Data
Memory
Control
Alterable
Register direct
Data
Address
Dn
An
000
001
reg. no.
reg. no.
X
—
—
—
—
—
X
X
Register indirect
Address
Address with
Postincrement
Address with
Predecrement
Address with
Displacement
(An)
(An)+
–(An)
(d
16
, An)
010
011
100
101
reg. no.
reg. no.
reg. no.
reg. no.
X
X
X
X
X
X
X
X
X
—
—
X
X
X
X
X
Address register indirect with
scaled index
8-bit displacement
(d
8
, An,
Xi*SF)
110
reg. no.
X
X
X
X
Program counter indirect
with displacement
(d
16
, PC)
111
010
X
X
X
—
Program counter indirect
with scaled index
8-bit displacement
(d
8
, PC,
Xi*SF)
111
011
X
X
X
—
Absolute data addressing
Short
Long
(xxx).W
(xxx).L
111
111
000
001
X
X
X
X
X
X
—
—
Immediate
#<xxx>
111
100
X
X
—
—
Содержание DigitalDNA ColdFire MCF5272
Страница 1: ...MCF5272UM D Rev 0 02 2001 MCF5272 ColdFire Integrated Microprocessor User s Manual ...
Страница 38: ...xxxviii MCF5272 User s Manual TABLES Table Number Title Page Number ...
Страница 58: ...1 10 MCF5272 User s Manual MCF5272 Specific Features ...
Страница 90: ...2 42 MCF5272 User s Manual Exception Processing Overview ...
Страница 96: ...3 6 MCF5272 User s Manual MAC Instruction Execution Timings ...
Страница 158: ...5 46 MCF5272 User s Manual Motorola Recommended BDM Pinout ...
Страница 184: ...7 12 MCF5272 User s Manual Interrupt Controller Registers ...
Страница 338: ...13 44 MCF5272 User s Manual Application Examples ...
Страница 414: ...18 6 MCF5272 User s Manual PWM Programming Model ...
Страница 452: ...19 38 MCF5272 User s Manual Power Supply Pins ...
Страница 482: ...20 30 MCF5272 User s Manual Reset Operation ...
Страница 492: ...21 10 MCF5272 User s Manual Non IEEE 1149 1 Operation ...
Страница 548: ...INDEX Index 12 MCF5272 User s Manual ...