Write an assembly language program that contains function SelectionSort ( float a , int len ) This function must take an array of single precision floating point values ( allocated in RAM ) and its length ( both passed in stack ) and sort the array in ascending order by using the selection sort method Make sure to allocate and initialize an array to sort in ROM and copy its values into RAM prior calling your sorting routine Print the original ( unsorted ) array and the sorted one You may use selection sort project for sorting integers from Module 3 and make necessary adjustments in it for f p processing Hint use the following method to print floating point numbers WriteFloat 2 PROC push R 0 , LR vpush f S 1 vmov f R 0 , S 0 tst R 0 , 0 x 1 0 0 0 0 0 0 0 beq wf 1 movs R 0 , ' ' bl WriteChar vneg f S 0 , S 0 wf 1 vcvt u 3 2 f S 1 , S 0 S 1 integer part vmov f R 0 , S 1 bl WriteInt vcvt f u 3 2 S 1 , S 1 vsub f S 0 , S 1 S 0 fraction movw R 0 , ' ' bl WriteChar vldr f S 1 , 1 0 0 0 vmul f S 0 , S 1 vcvt u 3 2 f S 1 , S 0 vmov f R 0 , S 1 bl WriteInt vpop f S 1 pop R 0 , PC ENDP WRITE IT IN THIS FORMAT INCLUDE EFR 3 2 BG 2 2 inc CPU register definitions INCLUDE terminal inc terminal function definitions EXPORT main IMPORT LETIMER setup import names from other code files IMPORT GPIO setup non initialized DATA segment in RAM AREA RAM, DATA, NOINIT, READWRITE, ALIGN 3 myWord SPACE 4 3 2 bit variable ( MUST BE ALIGHED ) myHalf SPACE 2 1 6 bit variable ( MUST BE ALIGHED ) myByte SPACE 1 8 bit variable ( NO alighment required ) CODE segment in flash ( ROM ) AREA text , CODE, READONLY main PROC main user code bl Terminal setup setup TeraTerm communication bl GPIO setup configure port pins bl LETIMER setup start 1 sec timer for periodic events your code starts here loop periodic task starts here b loop repeat periodic task ENDP prompt DCB Enter a number , 0 allocate constant strings here ALIGN constW DCD 1 5 initialized 3 2 bit constant constH DCW 2 3 initialized 1 6 bit constant constB DCB 1 7 initialized 8 bit constant ALIGN END

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Question: Write an assembly language program that contains function SelectionSort ( float [ ] a , int len ) . This function must take an array

Write an assembly language program that contains function SelectionSort

(

float

[]

,

int len

) .

This function must take an array of single precision floating point values

(

allocated in RAM

)

and its length

(

both passed in stack

)

and sort the array in ascending order by using the selection

-

sort method. Make sure to allocate and initialize an array to sort in ROM and copy its values into RAM prior calling your sorting routine. Print the original

(

unsorted

)

array and the sorted one. You may use selection

-

sort project for sorting integers from Module

3

and make necessary adjustments in it for f

.

.

processing.

Hint: use the following method to print floating

-

point numbers:

WriteFloat

2

PROC push

{

0,

}

vpush.f

{

1}

vmov.f R

0,

0

tst R

0,

0

10000000

beq wf

1

movs R

0,

' -'

bl WriteChar vneg.f S

0,

0

1

vcvt

.

32 .

f S

1,

0

; S

1 =

integer part vmov.f R

0,

1

bl WriteInt vcvt

.

.

32

1,

1

vsub.f S

0,

1

; S

0 =

fraction movw R

0,

' .'

bl WriteChar vldr

.

f S

1, = 1000

vmul.f S

0,

1

vcvt

.

32 .

f S

1,

0

vmov.f R

0,

1

bl WriteInt vpop.f

{

1}

pop

{

0,

}

ENDP

WRITE IT IN THIS FORMAT

INCLUDE EFR

32

22 .

inc ; CPU register definitions

INCLUDE terminal.inc ; terminal function definitions

EXPORT main

IMPORT LETIMER

_

setup ; import names from other code files

IMPORT GPIO

_

setup

;

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

; non

-

initialized DATA segment in RAM

AREA RAM, DATA, NOINIT, READWRITE, ALIGN

= 3

;myWord SPACE

4

;

32 -

bit variable

(

MUST BE ALIGHED!

)

;myHalf SPACE

2

;

16 -

bit variable

(

MUST BE ALIGHED!

)

;myByte SPACE

1

;

8 -

bit variable

(

NO alighment required

)

;

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

; CODE segment in flash

(

ROM

)

AREA

| .

text

|,

CODE, READONLY

main PROC ; main user code

bl Terminal

_

setup ; setup TeraTerm communication

; bl GPIO

_

setup ; configure port pins

; bl LETIMER

_

setup ; start

1 -

sec timer for periodic events

; your code starts here

loop ; periodic task starts here

b loop ; repeat periodic task

ENDP

;

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

;prompt DCB "Enter a number:

", 0

; allocate constant strings here

ALIGN

;constW DCD

15

; initialized

32 -

bit constant

;constH DCW

23

; initialized

16 -

bit constant

;constB DCB

17

; initialized

8 -

bit constant

ALIGN

END

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