jSR MULT 3 0 0 0 JSR MULT ADD THIS TO THE TESTING MAIN HALT orig x 3 0 0 0 JSR GETDEC JSR GETDEC HALT GETDIGIT SAVE REGISTERS ST R 1 , SAVE R 1 GETCH GETC Gets input LD R 1 , NEG TEN Checks if 1 0 BRZ END LD R 1 , NEG FORTY EIGHT LD R 1 , NEG FORTY EIGHT Checks if ' 0 ' LD R 1 , NEG FIFTY EIGHT ADD R 1 , R 1 , R 0 BRZP GETCH OUT LD R 1 , NEG FORTY EIGHT ADD R 0 , R 1 , R 0 END RESTORE LD R 1 , SAVE R 1 LD R 7 , SAVE R 7 RET CONSTANTS SAVE R 1 FILL 0 SAVE R 7 FILL 0 NEG FORTY EIGHT FILL NEG FIFTY EIGHT FILL 5 8 NEG TEN FILL 1 0 MULT SAVE REGISTERS ST R 1 , SAVE R 1 ST R 2 , SAVE R 2 ST R 3 , SAVER 3 ST R 4 , SAVE R 4 LD R 0 , ZERO NOT R 3 , R 1 LD R 4 , ONE ADD R 3 , R 3 , R 4 ADD R 3 , R 2 , R 3 BRNZ NO SWAP ADD R 3 , R 1 , R 0 ADD R 1 , R 2 , R 0 ADD R 2 , R 3 , R 0 NO SWAP MULTI LOOP ADD R 0 , R 0 , R 1 LD R 3 , NEG ONE ADD R 2 , R 2 , R 3 DONE RESTORE LD R 1 , SAVE R 1 LD R 2 , SAVE R 2 LD R 3 , SAVER 3 RET CONSANTS SAVE R 2 FILL 0 SAVE R 4 FILL 0 NEG ONE FILL 1 ONE ONO FILL 1 GETDEC SAVE REGISTERS ST R 1 , SAVE R 1 ST R 2 , SAVER 2 ST R 3 , SAVE R 3 ST R 7 , SAVE R 7 LD R 3 , ZERO PRINT PROMPT LEA RO , PROMPT PUTS OUTER LOOP JSR GETDIGIT ADD R 4 , R 0 , 1 0 BRZ END INPUT ADD R 2 , R 3 , 0 LD R 1 , TEN JSR MULT ADD R 3 , R 0 , 0 ADD R 3 , R 3 , R 0 BR OUTER LOOP END INPUT ADD R 0 , R 3 , 0 LD R 1 , SAVE R 1 LD R 2 , SAVE R 2 LD R 3 , SAVE R 3 LD R 7 , SAVE R 7 RET Attatched is my assembly file I am writing an LC 3 subroutine to accept input for a decimal number that is stored in r 0 , and ends when the newline is pressed 1 2 3 Enter Should result in the following in the display Enter an integer 1 2 3 and 1 2 3 ( 7 B in hex ) in R 0 In my current program, entering a newline does nothing and im unsure of how to fix it Due to this, i am also unsure if i am processing the numbers correctly Thank you for your help

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Question: ; ;jSR MULT 3 0 0 0 ; JSR MULT ; ADD THIS TO THE TESTING MAIN ; HALT . orig x 3 0

; ;jSR MULT

\ 3000

; JSR MULT ; ADD THIS TO THE TESTING MAIN

; HALT

.

orig x

3000

JSR GETDEC

HALT

GETDIGIT

;SAVE REGISTERS

ST R

1,

SAVE

_

1

GETCH

GETC ; Gets input

LD R

1,

NEG

_

TEN ; Checks if

10

BRZ END

LD R

1,

NEG

_

FORTY

_

EIGHT

LD R

1,

NEG

_

FORTY

_

EIGHT ; Checks if

' 0' \

LD R

1,

NEG

_

FIFTY

_

EIGHT

ADD R

1,

1,

0

BRZP GETCH

OUT

LD R

1,

NEG

_

FORTY

_

EIGHT

ADD R

0,

1,

0

END

;RESTORE

LD R

1,

SAVE

_

1

LD R

7,

SAVE

_

7

RET

;CONSTANTS

SAVE

_

1 .

FILL

0

SAVE

_

7 .

FILL

0

NEG

_

FORTY

_

EIGHT

.

FILL

NEG

_

FIFTY

_

EIGHT

.

FILL

- - 58

NEG

_

TEN

.

FILL

- 10

MULT

;SAVE REGISTERS

ST R

1,

SAVE

_

1

ST R

2,

SAVE

_

2

ST R

3,

SAVER

3

ST R

4,

SAVE

_

4

LD R

0,

ZERO

NOT R

3,

1

LD R

4,

ONE

ADD R

3,

3,

4

ADD R

3,

2,

3

BRNZ NO

_

SWAP

ADD R

3,

1,

0

ADD R

1,

2,

0

ADD R

2,

3,

0

_

SWAP

MULTI

_

LOOP

ADD R

0,

0,

1

LD R

3,

NEG

_

ONE

ADD R

2,

2,

3

DONE

;RESTORE

LD R

1,

SAVE

_

1

LD R

2,

SAVE

_

2

LD R

3,

SAVER

3

RET

;CONSANTS

SAVE

_

2 .

FILL

0

SAVE

_

4 .

FILL

0

NEG

_

ONE

.

FILL

- 1

ONE ONO

.

FILL

1

GETDEC

; SAVE REGISTERS

ST R

1,

SAVE

_

1

ST R

2,

SAVER

2

ST R

3,

SAVE

_

3

ST R

7,

SAVE

_

7

LD R

3,

ZERO

;PRINT PROMPT

LEA RO

,

PROMPT

PUTS

OUTER

_

LOOP

JSR GETDIGIT

ADD R

4,

0,

- 10

BRZ END

_

INPUT

ADD R

2,

3,

0

LD R

1,

TEN

JSR MULT

ADD R

3,

0,

0

ADD R

3,

3,

0

BR OUTER

_

LOOP

END

_

INPUT

ADD R

0,

3,

0

LD R

1,

SAVE

_

1

LD R

2,

SAVE

_

2

LD R

3,

SAVE

_

3

LD R

7,

SAVE

_

7

RET Attatched is my assembly file. I am writing an LC

3

subroutine to accept input for a decimal number that is stored in r

0,

and ends when the newline is pressed.

1 2 3

Enter

Should result in the following in the display

Enter an integer:

123

and

123 (7

B in hex

)

in R

0 .

In my current program, entering a newline does nothing and im unsure of how to fix it

.

Due to this, i am also unsure if i am processing the numbers correctly. Thank you for your help.

$; ;jSR MULT \ 3 0 0 0 ; JSR MULT ; ADD THIS TO$

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