Read Through The Assembly Program Below And Answer The Following Questions. A. What Is The Purpose Of Lines 32-35? (1 Point) B. Lines 43 - 65 Initialize I/O Pin PB.2. What Do Lines 51 - 53 And Lines 59-61 Accomplish? (2 Points) C. Lines 67 - 84 Initialize I/O Pin PA.0. What Do Lines 70 - 72 And Lines 82 - 84 Accomplish? (2 Points) D. Lines 10 - 26 Toggles

Only answer number (d)

 

Read through the assembly program below and answer the following questions. 1 2 3 4 5 a. What is the purpose of lines 32-35? (1 point) b. Lines 43-65 initialize I/O pin PB.2. What do lines 51 - 53 and lines 59-61 accomplish? (2 points) c. Lines 67-84 initialize I/O pin PA.0. What do lines 70-72 and lines 82 - 84 accomplish? (2 points) d. Lines 10-26 toggles the state of pin PB.2 whenever pin PA.0 goes high. Write an assembly language could segment to replace these lines of code, such that, when PA.0 is high, PB.2 goes high, but when PA.0 is low, then PB.2 goes low. (5 points) AREA main_code, CODE, READONLY EXPORT __main ALIGN INCLUDE stm3211xx_constants.s ENTRY 6 7 main PROC 8 9 62345622222222222223333 10 loop 12 13 14 15 16 BL pin init LDR re, =GPIOA_BASE LDR r1, [re, #GPIO_IDR] ANDS r2, r1, #1 CMP r2, #0x01 BNE loop 17 18 LDR r0, =0x00800000 ;~300 ms delay if pushbutton is pressed 19 20 21 inner loop SUBS 0, #1 BNE inner loop LDR ro, =GPIOB_BASE LDR r1, [re, #GPIO_ODR] EOR r1, r1, #(1 < < 2) STR r1, [re, #GPIO_ODR] B loop 27 28 ENDP 29 30 pin_init PROC 35 36 LDR ro, = RCC_BASE LDR r1, [re, #RCC_AHB2ENR] ORR r1, r1, #0x00000002 STR r1, [r0, #RCC_AHB2ENR] ; RCC_AHBENR_GPIOBEN