Write the code needed to perform the following operation and insert it as needed in the program shell below. Setup Port A, pin 4 as input, with pull up resistor enabled, Setup Port H, all pins as an outputs, Continuously read the input on Port A, pin 4 Write to Port H, all pins (all 0s or 1s) the data read from Port A, pin 4 (0 or 1) Write the code so as to not affect any other port bits or setup   INCLUDE     .DEF TEMP=R16 .CSEG ; The start of the code segment .ORG 0X0000 ; Set the beginning of code at the reset interrupt vector RJMP MAIN ;jump to main program from the reset interrupt   MAIN: LDI TEMP, LOW(RAMEND)    ; Setup Stack OUT SPL, TEMP        ; Set SPL to the low byte of RAMEND LDI TEMP, HIGH(RAMEND)   ; OUT SPH, TEMP        ; Set SPH to the high byte of RAMEND ;insert code here                             LOOP: ; A continuous loop is an essential ; part of any embedded program ;insert code here                     RJMP LOOP    ; Start the LOOP over

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
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  1. Write the code needed to perform the following operation and insert it as needed in the program shell below.
  • Setup Port A, pin 4 as input, with pull up resistor enabled,
  • Setup Port H, all pins as an outputs,
  • Continuously read the input on Port A, pin 4
  • Write to Port H, all pins (all 0s or 1s) the data read from Port A, pin 4 (0 or 1)
  • Write the code so as to not affect any other port bits or setup

 

INCLUDE <m2560def.inc>    

.DEF TEMP=R16

.CSEG ; The start of the code segment

.ORG 0X0000 ; Set the beginning of code at the reset interrupt vector

RJMP MAIN ;jump to main program from the reset interrupt

 

MAIN:

LDI TEMP, LOW(RAMEND)    ; Setup Stack

OUT SPL, TEMP        ; Set SPL to the low byte of RAMEND

LDI TEMP, HIGH(RAMEND)   ;

OUT SPH, TEMP        ; Set SPH to the high byte of RAMEND

;insert code here

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOOP: ; A continuous loop is an essential

; part of any embedded program

;insert code here

 

 

 

 

 

 

 

 

 

 

RJMP LOOP    ; Start the LOOP over

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