Question
In the program below, write the contents of SREG after each line finishes executing. Record SREG in the table the first time a line is
In the program below, write the contents of SREG after each line finishes executing. Record SREG in the table the first time a line is executed in a loop, follow the program for subsequent executions of the same line but do not record the value in the table. You can assume all memory starts with a value of 0.
Command Number | SREG | |||||||
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;Program for Task 2
.CSEG
.ORG 0x0000
Start:
LDI R18, 3
SUBI R16, 1
First:
INC R17
MUL R16, R17
CP R1, R18
BRNE First
Second:
ADD R0, R1
INC R1
BRCC Second
CLR R17
DEC R18
BRNE First
What are the contents of R16 and R17 at the end of the program?
R16 _____________, R17 _____________
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