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23 intd interrupt disable – Texas Instruments MSP50C6xx User Manual

Page 193

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Individual Instruction Descriptions

4-107

Assembly Language Instructions

4.14.23

INTD

Interrupt Disable

Syntax

[label]

name

Clock, clk

Word, w

With RPT, clk

Class

INTD

1

1

N/R

9d

Execution

STAT.IM

0

(IM is STAT bit 4)

PC

PC + 1

Flags Affected

None

Opcode

Instructions

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

INTD

1

1

1

1

1

1

1

1

0

1

0

0

1

0

0

0

0

Description

Disables interrupts. Resets bit 4 (the IM, interrupt mask bit) of status register
(STAT) to 0.

See Also

INTE, IRET

Example 4.14.23.1

INTD

Disable interrupts. INTD must be always be immediately followed by a NOP. Any maskable interrupt
occurring after the INTD – NOP sequence will not be serviced.