Zilog Z16F2810 User Manual
Page 114
DI Instruction
UM018809-0611
98
ZNEO
®
CPU Core
User Manual
DI
Definition
Disable Interrupts
Syntax
DI
Operation
FLAGS[0]
0
Description
The Master Interrupt Enable (
IRQE
) bit in the Flags register is cleared to 0 to prevent the ZNEO
CPU from responding to interrupt requests.
Flags
Syntax and Opcodes
Example
Before:
IRQE=1 (Interrupt requests are enabled or disabled by their individual control
registers.)
DI
;Object code: FFFB
7
6
5
4
3
2
1
0
C
Z
S
V
B
CIRQE IRQE
–
–
–
–
–
–
–
0
Legend
C
= No change.
Z
= No change.
S
= No change.
V
= No change.
B
= No change.
CIRQE
= No change.
IRQE
= Cleared to 0.
Instruction, Operands
Word 0
Word 1
Word 2
DI
FFFBH