Motorola 24-Bit Digital Signal Processor, DSP56000 manual Jump, Operation Assembler Syntax

INSTRUCTION DESCRIPTIONS

JMP Jump JMP

Operation:	Assembler Syntax:
0xxx ➞ PC	JMP xxx
ea ➞ PC	JMP ea

Description: Jump to the location in program memory given by the instruction’s effective address. All memory alterable addressing modes may be used for the effective address. A Fast Short Jump addressing mode may also be used. The 12-bit data is zero extended to form the effective address.

Restrictions: A JMP instruction used within a DO loop cannot begin at the address LA within that DO loop.

A JMP instruction cannot be repeated using the REP instruction.

Example:

:
JMP (R1+N1)	;jump to program address P:(R1+N1)
:

Explanation of Example: In this example, program execution is transferred to the pro- gram address P:(R1+N1).

Condition Codes:

15	14	13	12	11		10	9		8	7	6	5	4	3	2	1		0
LF	DM	T	**		S1	S0		I1	I0	S	L	E	U	N	Z		V	C
				MR									CCR

The condition codes are not affected by this instruction.

Instruction Format:

JMP xxx

Opcode:

23	16	15			8	7		0
0 0 0 0 1 1 0	0	0 0 0	0	a	a a a	a	a	a a a a a a

A - 116 INSTRUCTION SET DETAILS MOTOROLA