Computer

#include <stdio.h> #include <stdint.h> #include <stdbool.h> #define INITIALIZE_vals \ ai = -4;\ xi = 1;\ au = -4;\ xu = 1; #define INITIALIZE_OUTPUT_ARRAY \ po = outpt_array; \ for (i = 0; i < 8; i++) { \ *(po + i) = 0; \ }\ // Functions defined in a .s file extern int32_t task1i(int32_t a, int32_t x); extern uint32_t task1u(uint32_t a, uint32_t x); extern int32_t task2(int32_t a, int32_t x); extern int32_t task3(int32_t a, int32_t x); extern int32_t task4(int32_t a, int32_t x); extern int32_t task5(int32_t n); extern int32_t task6(int32_t *ptr, int32_t n); extern int32_t task7(int32_t n); extern int32_t task8(int32_t n); extern int32_t task9(int32_t n); extern int32_t task10(int32_t n); extern int32_t task11(int32_t a, int32_t x); extern void task12(int32_t *input_array, int32_t *outpt_array, int n); extern void task13(int32_t *input_array, int32_t *outpt_array, int n); extern void task14(int32_t n); // Global variable int32_t ai, xi; uint32_t au, xu; int32_t input_array[8] = {1, 2, 3, 4, 5, 6, 7, 8}; int32_t outpt_array[8] = {1, 2, 3, 4, 5, 6, 7, 8}; int32_t i, sum5, sum6, sum7, sum8, sum9, sum10; int main(void) { // Task 1. Simple if-then statement: INITIALIZE_vals printf("ai_1a = %d\n", ai); if (ai > xi) { ai <<= 2; } printf("ai_1b = %d\n", ai); INITIALIZE_vals ai = task1i(ai, xi); printf("ai_1c = %d\n", ai); INITIALIZE_vals printf("au_1a = %u\n", au); if (au > xu) { au <<= 2; } printf("au_1b = %u\n", au); INITIALIZE_vals au = task1u(au, xu); printf("au_1c = %u\n", au); // Task 2. Simple if-then statement with compound logic OR expression: INITIALIZE_vals printf("ai_2a = %d\n", ai); if (xi <= 20 || xi >= 25) { ai *= 4; } printf("ai_2b = %d\n", ai); INITIALIZE_vals ai = task2(ai, xi); printf("ai_2c = %d\n", ai); // Task 3. Simple if-then-else statement: INITIALIZE_vals if (ai == xi) { xi += 3; } else { xi -= 4; } printf("xi_3a = %d\n", xi); INITIALIZE_vals xi = task3(ai, xi); printf("xi_3b = %d\n", xi); // Task 4. If-then-else statement with compound logic OR expression: INITIALIZE_vals printf("ai_4a = %d\n", ai); if (xi <= 20 || xi >= 25) { ai *= 8; } else { ai *= 16; } printf("ai_4b = %d\n", ai); INITIALIZE_vals ai = task4(ai, xi); printf("ai_4c = %d\n", ai); // Task 5. The for loop---a simple example sum5 = 0; for (int i = 0; i < 10; i++) { sum5 += i*4; } printf("sum5_a = %d\n", sum5); sum5 = 0; sum5 = task5(10); printf("sum5_b = %d\n", sum5); // Task 6. The for loop---revisit the addressing problem int32_t *pArray = input_array; sum6 = 0; for (int i = 0; i < 8; i++) { sum6 += *pArray++; } printf("sum6_a = %d\n", sum6); sum6 = 0; pArray = input_array; sum6 = task6(pArray, 8); printf("sum6_b = %d\n", sum6); // Task 7. The while loop doing the same thing as a for loop given in Task 5. i = 0; sum7 = 0; while (i < 10) { sum7 += i*4; i++; } printf("sum7_a = %d\n", sum7); sum7 = 0; sum7 = task7(10); printf("sum7_b = %d\n", sum7); // Task 8. Another form of while loop doing the same thing as the above for loop i = 9; sum8 = 0; while (i >= 0) { sum8 += i*4; i--; } printf("sum8_a = %d\n", sum8); sum8 = 0; sum8 = task8(9); printf("sum8_b = %d\n", sum8); // Task 9. The do-while loop doing the same thing as the above while loops i = 9; sum9 = 0; do { sum9 += i*4; i--; } while (i >= 0); printf("sum9_a = %d\n", sum9); sum9 = 0; sum9 = task9(9); printf("sum9_b = %d\n", sum9); // Task 10. Another form of do-while loop doing the same thing as the above do-while loop i = 0; sum10 = 0; do { sum10 += i*4; i++; } while (i < 10); printf("sum10_a = %d\n", sum10); sum10 = 0; sum10 = task10(10); printf("sum10_b = %d\n", sum10); // Task 11. Simple if-then statement with compound logic AND expression: // positive logic INITIALIZE_vals if (xi > 20 && xi < 25) { ai = 11; } printf("ai_11a = %d\n", ai); // negative logic---transition to the Assembly code INITIALIZE_vals if (!(xi > 20 && xi < 25)) { } else { ai = 11; } printf("ai_11b = %d\n", ai); INITIALIZE_vals ai = task11(ai, xi); printf("ai_11c = %d\n", ai); // Task 12. The break stastment in a for loop int32_t *pi = input_array; int32_t *po = outpt_array; for (i = 0; i < 6; i++) { if (i == 3) break; *(po++) = 2 * *(pi++); } pi = input_array; INITIALIZE_OUTPUT_ARRAY task12(input_array, outpt_array, 6); // Task 13. The continue statement in a for loop pi = input_array; INITIALIZE_OUTPUT_ARRAY for (i = 0; i < 6; i++) { if (i == 3) continue; *(po+i) = 4 * *(pi++); } pi = input_array; INITIALIZE_OUTPUT_ARRAY task13(input_array, outpt_array, 6); // Task 14. The IT instruction task14(10); while (1); }