Motorola DSP56000 Manual page 525

24-bit digital signal processor
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RESET
Operation:
Reset the interrupt priority register
and all on-chip peripherals
Description: Reset the interrupt priority register and all on-chip peripherals. This is a
software reset which is NOT equivalent to a hardware reset since only on-chip peripher-
als and the interrupt structure are affected. The processor state is not affected, and exe-
cution continues with the next instruction. All interrupt sources are disabled except for
the trace, stack error, NMI, illegal instruction, and hardware reset interrupts.
Restrictions: A RESET instruction cannot be the last instruction in a DO loop (at LA).
Example:
:
RESET
:
Explanation of Example: The execution of the RESET instruction resets all on-chip
peripherals and the interrupt priority register (IPR).
Condition Codes:
5
14
13
1
LF
DM
The condition codes are not affected by this instruction
A - 256
INSTRUCTION DESCRIPTIONS
Reset On-Chip Peripheral Devices
;reset all on-chip peripherals and IPR
12
11
10
9
T
**
S1
S0
I1
MR
INSTRUCTION SET DETAILS
Assembler Syntax:
RESET
8
7
6
5
4
I0
S
L
E
U
CCR
RESET
3
2
1
0
N
Z
V
C
MOTOROLA

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