I need help with this practrice problem! I am mostly complete, but I am getting stuck on my output. This is Assembly Language and uses the Irvine tool kit. Here is my code:

$\mathrm{.}586$

$.$model flat, stdcall

option casemap: none ; case$-$sensitive

ExitProcess proto, dwExitCode: dword

INCLUDE Irvine$32.$inc

$.$data

forwardSlash db $\text{'}/\text{'}$

$.$code

; Procedure to calculate FAT date

FATDate proc stdcall

push bx ; Preserve BX register

push cx ; Preserve CX register

xor bx$,$ bx ; Clear BX register

mov bx$,$ ax ; Copy date value to BX register

; Extract day $($bits $04)$

mov ax$,$ bx

and ax$,1$Fh ; Mask bits $04$

mov bl$,$ al ; Store day in BL register

; Extract month $($bits $58)$

mov ax$,$ bx

shr ax$,5$ ; Shift right to bring month bits to LSB

and ax$,0$Fh ; Mask bits $58$

mov bh$,$ al ; Store month in BH register

; Extract year $($bits $915)$

mov ax$,$ bx

shr ax$,9$ ; Shift right to bring year bits to LSB

and ax$,7$Fh ; Mask bits $915$

add ax$,1980$ ; Add $1980$ to get actual year

mov dx$,$ ax ; Store year in DX register

pop cx ; Restore preserved registers

pop bx

ret

FATDate endp

; Main program

main proc

; Load date value into AX register

mov ax$,4200$h ; Example date: $01/02/1990$

; Call FATDate procedure

call FATDate

; Display day

movzx eax, bl ; Day to EAX $($zero$-$extended to clear upper bits$)$

call WriteDec

call Crlf

; Display month

movzx eax, bh ; Month to EAX $($zero$-$extended to clear upper bits$)$

call WriteDec

call Crlf

; Display year

movzx eax, dx ; Year to EAX $($zero$-$extended to clear upper bits$)$

call WriteDec

call Crlf

invoke ExitProcess, $0$

main endp

end main

Now $0$

$48$

$1980\mathrm{.}586$

$.$model flat, stdcall

option casemap: none ; case$-$sensitive

ExitProcess proto, dwExitCode: dword

INCLUDE Irvine$32.$inc

$.$data

forwardSlash db $\text{'}/\text{'}$

$.$code

; Procedure to calculate FAT date

FATDate proc stdcall

push bx ; Preserve BX register

push cx ; Preserve CX register

xor bx$,$ bx ; Clear BX register

mov bx$,$ ax ; Copy date value to BX register

; Extract day $($bits $04)$

mov ax$,$ bx

and ax$,1$Fh ; Mask bits $04$

mov bl$,$ al ; Store day in BL register

; Extract month $($bits $58)$

mov ax$,$ bx

shr ax$,5$ ; Shift right to bring month bits to LSB

and al$,0$Fh ; Mask bits $58$

mov bh$,$ al ; Store month in BH register

; Extract year $($bits $915)$

mov ax$,$ bx

shr ax$,9$ ; Shift right to bring year bits to LSB

and ax$,7$Fh ; Mask bits $915$

add ax$,1980$ ; Add $1980$ to get actual year

mov dx$,$ ax ; Store year in DX register

pop cx ; Restore preserved registers

pop bx

ret

FATDate endp

; Main program

main proc

; Load date value into BX register

mov bx$,4200$h ; Example date: $01/02/1990$

; Call FATDate procedure

call FATDate

; Display day

movzx eax, bl ; Day to EAX $($zero$-$extended to clear upper bits$)$

call WriteDec

call Crlf

; Display month

movzx eax, bh ; Month to EAX $($zero$-$extended to clear upper bits$)$

call WriteDec

call Crlf

; Display year

movzx eax, dx ; Year to EAX $($zero$-$extended to clear upper bits$)$

call WriteDec

call Crlf

invoke ExitProcess, $0$

main endp

end mainthe output is currently:

$0$

$48$

$1980$

Which is suppose to represent the example date: $01/02/1980.$

Here is the practice question:

Create a procedure called FATDate that calculates the FAT date as outlined below. The procedure must accept a date value in the AX register, calculate, and store the day in the BL register, the month in the BH register, and the year in the DX register. All other registers must be preserved. Create a demonstration program that calls the FATDate procedure and displays the month, day, and year to the console window using the Irvine provided procedures. Date Format. A FAT directory entry date stamp is a $16-$bit field that is basically a date relative to the MS$-$DOS epoch of $01/01/1980.$ Here is the format $($bit $0$ is the LSB of the $16-$bit word, bit

$15$ is the MSB of the $16-$bit word$)$:

Bits $04$: Day of month, valid value range $1-31$ inclusive.

Bits $58$: Month of year, $1=$ January, valid value range $112$ inclusive.

Bits $915$: Count of years from $1980,$ valid value range $0127$ inclusive $(19802107).$