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Q.2 a. A 3x3 matrix data is to be stored in an SRAM of ATmega32 microcontroller. The data is fed horizontally (left to right -
Q.2 a. A 3x3 matrix data is to be stored in an SRAM of ATmega32 microcontroller. The data is fed horizontally (left to right - refer Figure Q.2) to PORTD starting from the first row of the matrix. By using a loop, write a program that stores the data from address location $0060. [The pull-up resistors of input PORTD are enabled] (6 marks) [211 212 213 021 422 423 a31 a32 033 Figure 2.2 (Use the following template to write your program) include "m32def.inc" .org 0 jmp start def count=r16 // use it as a counter def temp = 117 .org $2A equ cell - 9 start: // (Your program starts here) dseg data: db 1 b. Write a program that transposes the stored 3x3 matrix data in part (a) and then store the transposed data from address location $0060. The program must use a loop and stack to transpose and to store the data. [You can continue writing the code from part (a)] (14 marks) c. What is the final value of R16 after execution of the following instructions? The instructions are executed sequentially R16 Instruction LDI R16,52 ANDI R16,123 LSR R16 COM R16 NEG R16 (5 marks) Q.2 a. A 3x3 matrix data is to be stored in an SRAM of ATmega32 microcontroller. The data is fed horizontally (left to right - refer Figure Q.2) to PORTD starting from the first row of the matrix. By using a loop, write a program that stores the data from address location $0060. [The pull-up resistors of input PORTD are enabled] (6 marks) [211 212 213 021 422 423 a31 a32 033 Figure 2.2 (Use the following template to write your program) include "m32def.inc" .org 0 jmp start def count=r16 // use it as a counter def temp = 117 .org $2A equ cell - 9 start: // (Your program starts here) dseg data: db 1 b. Write a program that transposes the stored 3x3 matrix data in part (a) and then store the transposed data from address location $0060. The program must use a loop and stack to transpose and to store the data. [You can continue writing the code from part (a)] (14 marks) c. What is the final value of R16 after execution of the following instructions? The instructions are executed sequentially R16 Instruction LDI R16,52 ANDI R16,123 LSR R16 COM R16 NEG R16
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