Loop1 MOVLW 0x32 MOVWF REG2 DECFSZ REG2,F GOTO LOOP1 If the system clock frequency is aMHz and each machine cycle consumes 4 cycles of it. Calculate the delay time of the LOOP1 loop. Include the execution difference time of the DECFSZ instruction in the last cycle.

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Author:James Kurose, Keith Ross
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10.- Consider the following code and picture
Loop1
MOVLW 0x32
MOVWF REG2
DECFSZ REG2,F
GOTO LOOP1

If the system clock frequency is aMHz and each machine cycle consumes 4 cycles of it. Calculate the delay time of the LOOP1 loop. Include the execution difference time of the DECFSZ instruction in the last cycle.

Select an answer
A) 0.6.s
B) 6ms
C)6us
D) 60us

Cancicote le siguiante
microcontrolador PIC de Microchip:
14-Bit Opcode
Status
Mnemonic,
Operands
Description
Cycles
Notes
MSb
LSb
Affected
CONTROL OPERATIONS
BRA
BRW
CALL
k
Relative Branch
11
001k kkkk kkkk
Relative Branch with W
00
0000 0000 1011
Call Subroutine
10
Okkk kkkk kkkk
CALLW
Call Subroutine with W
00
0000 0000 1010
GOTO
k
Go to address
10
1kkk kkkk
kkkk
RETFIE
k
Return from interrupt
00
0000 0000 1001
RETLW
k
Return with literal in W
11
0100 kkkk
kkkk
RETURN
Return from Subroutine
00
0000 0000 1000
BYTE ORIENTED SKIP OPERATIONS
f, d
f, d
Decrement f, Skip if 0
Increment f, Skip if 0
1(2)
1(2)
1011 dfff ffff
1111 dfff ffff
1, 2
1, 2
DECFSZ
00
INCFSZ
00
Transcribed Image Text:Cancicote le siguiante microcontrolador PIC de Microchip: 14-Bit Opcode Status Mnemonic, Operands Description Cycles Notes MSb LSb Affected CONTROL OPERATIONS BRA BRW CALL k Relative Branch 11 001k kkkk kkkk Relative Branch with W 00 0000 0000 1011 Call Subroutine 10 Okkk kkkk kkkk CALLW Call Subroutine with W 00 0000 0000 1010 GOTO k Go to address 10 1kkk kkkk kkkk RETFIE k Return from interrupt 00 0000 0000 1001 RETLW k Return with literal in W 11 0100 kkkk kkkk RETURN Return from Subroutine 00 0000 0000 1000 BYTE ORIENTED SKIP OPERATIONS f, d f, d Decrement f, Skip if 0 Increment f, Skip if 0 1(2) 1(2) 1011 dfff ffff 1111 dfff ffff 1, 2 1, 2 DECFSZ 00 INCFSZ 00
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