Motorola DSP56000, 24-Bit Digital Signal Processor manual For destination operand a or B

INSTRUCTION DESCRIPTIONS

BTST Bit Test

Condition Codes:

BTST

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

CCR Condition Codes:

For destination operand A or B:

C — Set if bit tested is set. Cleared otherwise.

V —

Not affected

Z —

Not affected

N —

Not affected

U —

Not affected

E —

Not affected

L — Set if data limiting has occurred. See Notes on page A-69.

S — Computed according to the definition. See Notes on page A-69.

For other destination operands:

C — Set if bit tested is set. Cleared otherwise.

V — Not affected

Z — Not affected

N — Not affected

U — Not affected

E — Not affected

L — Not affected

S — Not affected

MR Status bits are not affected.

SP — Stack Pointer:

For destination operand SSH: SP — Decrement by 1.

For other destination operands: Not affected

MOTOROLA INSTRUCTION SET DETAILS A - 65