**Transcription for Educational Website**---**Activity: Using the GPR Assignments to Determine LED Status**You need to determine which LEDs connected to PORTD will be lit based on the following assembly code instructions:```15) Using the GPR assignments from the previous page, indicate which LEDs connected to PORTD will be lit: CLRF WREG CLRF TRISD LFSR 0,0X01AGAIN: BTFS0 FSR0L,4 BRA SKIP ANDWF INDF0,W BRA SKIP2 SKIP: IORWF INDF0,WSKIP2: INCF FSR0L,F DECF CTR1 BNZ AGAIN MOVWF PORTD```**Task:**Indicate the LED(s) that are lit by filling in the appropriate circle(s) below. Remember, the Least Significant Bit (LSB) is on the right.```[○] [○] [○] [○] [○] [○] [○] [○]```**Instructions Overview:**- Execute the provided assembly language snippet.- Identify which operations affect the PORTD register that controls the LEDs.- Determine the LED states and indicate which circles correspond to lit LEDs.---**Note:**This activity helps in understanding how microcontroller registers and assembly language instructions impact connected hardware components like LEDs. Be sure to revisit and thoroughly understand the GPR (General Purpose Register) assignments from the previous page before proceeding with this exercise. Please use the following GPR register names and contents when answering the following questions: (let the GPRs be reset to the table values upon entering each question)| GPR NAME | ADDRESS | CONTENTS (HEX) ||----------|---------|----------------|| DATA1 | 01 | 5A || DATA2 | 02 | 59 || DATA3 | 03 | F9 || DATA4 | 04 | DB || DATA5 | 05 | 4E || CTR1 | 06 | 03 || CTR2 | 07 | 02 |

Answer: I have given answer in the handwritten format

15) Using the GPR assignments from the previous page, indicate which LEDS connected to PORTD will be lit: CLRF WREG CLRF TRISD 0,0X01 FSROL,4 SKIP LFSR AGAIN: BTFSC BRA INDFO, W SKIP2 ANDWF BRA INDFO, W FSROL,F CTR1 SKIP: IORWF SKIP2: INCF DECF BNZ AGAIN MOVWF PORTD ndicate the LED that are lit by filling in the appropriate circle: (LSB on right)

15) Using the GPR assignments from the previous page, indicate which LEDS connected to PORTD will be lit: CLRF WREG CLRF TRISD 0,0X01 FSROL,4 SKIP LFSR AGAIN: BTFSC BRA INDFO, W SKIP2 ANDWF BRA INDFO, W FSROL,F CTR1 SKIP: IORWF SKIP2: INCF DECF BNZ AGAIN MOVWF PORTD ndicate the LED that are lit by filling in the appropriate circle: (LSB on right)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

**Transcription for Educational Website**

---

**Activity: Using the GPR Assignments to Determine LED Status**

You need to determine which LEDs connected to PORTD will be lit based on the following assembly code instructions:

```
15) Using the GPR assignments from the previous page, indicate which LEDs connected to PORTD will be lit:

CLRF WREG
CLRF TRISD
LFSR 0,0X01
AGAIN: BTFS0 FSR0L,4
BRA SKIP
ANDWF INDF0,W
BRA SKIP2
SKIP: IORWF INDF0,W
SKIP2: INCF FSR0L,F
DECF CTR1
BNZ AGAIN
MOVWF PORTD
```

**Task:**
Indicate the LED(s) that are lit by filling in the appropriate circle(s) below. Remember, the Least Significant Bit (LSB) is on the right.

```
[○] [○] [○] [○] [○] [○] [○] [○]
```

**Instructions Overview:**
- Execute the provided assembly language snippet.
- Identify which operations affect the PORTD register that controls the LEDs.
- Determine the LED states and indicate which circles correspond to lit LEDs.

---

**Note:**
This activity helps in understanding how microcontroller registers and assembly language instructions impact connected hardware components like LEDs. Be sure to revisit and thoroughly understand the GPR (General Purpose Register) assignments from the previous page before proceeding with this exercise.

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