INSTRUCTION DESCRIPTIONS
A - 168
INSTRUCTION SET DETAILS
MOTOROLA
Operation:
Assembler Syntax:
( . . . . . ); S
➞
D
( . . . . . ) S,D
where ( . . . . . ) refers to any arithmetic or logical instruction which allows parallel moves.
Description: Move the source register S to the destination register D.
If the arithmetic or logical opcode-operand portion of the instruction specifies a given
destination accumulator, that same accumulator or portion of that accumulator may not
be specified as a destination D in the parallel data bus move operation. Thus, if the
opcode-operand portion of the instruction specifies the 56-bit A accumulator as its desti-
nation, the parallel data bus move portion of the instruction may not specify A0, A1, A2,
or A as its destination D. Similarly, if the opcode-operand portion of the instruction speci-
fies the 56-bit B accumulator as its destination, the parallel data bus move portion of the
instruction may not specify B0, B1, B2, or B as its destination D. That is, duplicate des-
tinations are NOT allowed within the same instruction.
If the opcode-operand portion of the instruction specifies a given source or destination
register, that same register or portion of that register may be used as a source S in the
parallel data bus move operation. This allows data to be moved in the same instruction in
which it is being used as a source operand by a data ALU operation. That is, duplicate
sources are allowed within the same instruction.
When a 24-bit source operand is moved into a 16-bit destination register, the 16 LS bits
of the 24-bit source operand are stored in the 16-bit destination register. When a 16-bit
source operand is moved into a 24-bit destination register, the 16 LS bits of the destina-
tion register are loaded with the contents of the 16-bit source operand, and the eight MS
bits of the 24-bit destination register are zeroed.
Note: The MOVE A,B operation will result in a 24-bit positive or negative saturation con-
stant being stored in the B1 portion of the B accumulator if the signed integer portion of
the A accumulator is in use.
Note: Due to instruction pipelining, if an AGU register (Mn, Nn, or Rn) is directly changed
with this instruction, the new contents may not be available for use until the second fol-
lowing instruction. See the restrictions discussed in A.9.6 - R, N, and M Register Restric-
tions on page A-310.
R
Register to Register Data Move
R
Содержание DSP56K
Страница 12: ...xii LIST of TABLES MOTOROLA List of Tables Continued Table Page Number Title Number ...
Страница 13: ...MOTOROLA DSP56K FAMILY INTRODUCTION 1 1 SECTION 1 DSP56K FAMILY INTRODUCTION ...
Страница 25: ...MOTOROLA DSP56K CENTRAL ARCHITECTURE OVERVIEW 2 1 SECTION 2 DSP56K CENTRAL ARCHITECTURE OVERVIEW ...
Страница 31: ...MOTOROLA DATA ARITHMETIC LOGIC UNIT 3 1 SECTION 3 DATA ARITHMETIC LOGIC UNIT ...
Страница 50: ...DATA ALU SUMMARY 3 20 DATA ARITHMETIC LOGIC UNIT MOTOROLA ...
Страница 51: ...MOTOROLA ADDRESS GENERATION UNIT 4 1 SECTION 4 ADDRESS GENERATION UNIT ...
Страница 77: ...MOTOROLA PROGRAM CONTROL UNIT 5 1 SECTION 5 PROGRAM CONTROL UNIT ...
Страница 124: ...INSTRUCTION GROUPS 6 30 INSTRUCTION SET INTRODUCTION MOTOROLA ...
Страница 125: ...MOTOROLA PROCESSING STATES 7 1 SECTION 7 PROCESSING STATES STOP WAIT EXCEPTION NORMAL RESET ...
Страница 167: ...STOP PROCESSING STATE MOTOROLA PROCESSING STATES 7 43 ...
Страница 168: ...STOP PROCESSING STATE 7 44 PROCESSING STATES MOTOROLA ...
Страница 169: ...MOTOROLA PORT A 8 1 SECTION 8 PORT A ...
Страница 176: ...PORT A INTERFACE 8 8 PORT A MOTOROLA ...
Страница 177: ...MOTOROLA PLL CLOCK OSCILLATOR 9 1 SECTION 9 PLL CLOCK OSCILLATOR x x d Φ VCO ...
Страница 191: ...10 2 ON CHIP EMULATION OnCE MOTOROLA SECTION 10 ON CHIP EMULATION OnCE ...
Страница 218: ...USING THE OnCE MOTOROLA ON CHIP EMULATION OnCE 10 29 ...
Страница 604: ...INSTRUCTION ENCODING A 338 INSTRUCTION SET DETAILS MOTOROLA ...
Страница 605: ...MOTOROLA BENCHMARK PROGRAMS B 1 APPENDIX B BENCHMARK PROGRAMS T T T T T P1 P3 P2 P4 T T T ...
Страница 606: ...SECTION CONTENTS B 2 BENCHMARK PROGRAMS MOTOROLA SECTION B 1 INTRODUCTION 3 SECTION B 2 BENCHMARK PROGRAMS 3 ...
Страница 609: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 5 ...
Страница 611: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 7 ...
Страница 613: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 9 ...
Страница 615: ...BENCHMARK PROGRAMS MOTOROLA BENCHMARK PROGRAMS B 11 ...