use: Microchip Studio and ATmega328p Activity 2: SUB instruction flags Write and assemble the following program. SUB instruction can trigger Z(Zero), C(Carry), N(Negative), V(Overflow), and H(Half Carry) flags. Use the simulator to single- step and examine the flags and register content after the execution of each flag triggering instruction. LDI LDI SUB LDI LDI SUB LDI LDI SUB R20, $27 R21, $15 R20, R21 R20, $20 R21, $15 R20, R21 R24,95 R25, 95 R24, R25 LDI R22,50 LDI R23, 70 SUB R22, R23 End: RJMP End → R20: = R20= → R24 = → R22= [Hex], Active Flags: [Hex], Active Flags: [Hex], Active Flags: [Hex], Active Flags:

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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use: Microchip Studio and ATmega328p
Activity 2: SUB instruction flags
Write and assemble the following program. SUB instruction can trigger Z(Zero),
C(Carry), N(Negative), V(Overflow), and H(Half Carry) flags. Use the simulator to single-
step and examine the flags and register content after the execution of each flag triggering
instruction.
LDI R20, $27
LDI
R21, $15
SUB
R20, R21
LDI
LDI
SUB
R20, $20
R21, $15
R20, R21
R24,95
R25,95
LDI
LDI
SUB R24, R25
LDI R22,50
LDI
R23, 70
SUB R22, R23
End: RJMP End
R20-
→ R20 =
→ R24 =
➜ R22=
[Hex], Active Flags:
[Hex], Active Flags:
[Hex], Active Flags:
[Hex], Active Flags:
Transcribed Image Text:use: Microchip Studio and ATmega328p Activity 2: SUB instruction flags Write and assemble the following program. SUB instruction can trigger Z(Zero), C(Carry), N(Negative), V(Overflow), and H(Half Carry) flags. Use the simulator to single- step and examine the flags and register content after the execution of each flag triggering instruction. LDI R20, $27 LDI R21, $15 SUB R20, R21 LDI LDI SUB R20, $20 R21, $15 R20, R21 R24,95 R25,95 LDI LDI SUB R24, R25 LDI R22,50 LDI R23, 70 SUB R22, R23 End: RJMP End R20- → R20 = → R24 = ➜ R22= [Hex], Active Flags: [Hex], Active Flags: [Hex], Active Flags: [Hex], Active Flags:
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