JnS SubCountDown

Halt

$////$ Task $1$: Clearing the screen

$/$ TO DO: Add your subroutine for clearing the screen here

SubClearDisplay, HEX $0$

$////$ Task $2$: Painting a number

$/$ TO DO: Add your subrouting for painting a character below.

PaintDigitCharacter, HEX $0$

PaintDigitDisplay, HEX $0$

SubPaintDigit, HEX $0$

$////$ Task $3$: Count down

$/$ TO DO: Add your subroutine for the countdown, and any

$/$ additional subroutines you implement, below.

SubCountDown, HEX $0$

JumpI SubCountDown

$//////////////$

$////$ Data

$////$

$////$ You don't need to change or add anything below

$/$ Address of the font data

FontAddr, Adr Font

$/$ The font data

$/$ Each character is $3$ pixels wide and $5$ pixels high.

$/$ It is represented as $15$ consecutive words of memory,

$/$ in "row$-$major order". That means that the first three

$/$ words represent the top$-$most row of pixels, the next

$/$ three words the second row, and so on$.$

Font, HEX FFFF $/$ Start of character $0$

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX $0$

HEX FFFF

HEX $0$

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX FFFF $/$ Start of character $1$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX $0$

HEX FFFF

HEX FFFF

HEX $0$

HEX FFFF

HEX FFFF

HEX $0$

HEX FFFF

HEX FFFF

HEX $0$

HEX $0/$ Start of character $2$

HEX $0$

HEX FFFF

HEX FFFF

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX FFFF

HEX $0$

HEX $0$

HEX $0$

HEX $0/$ Start of character $3$

HEX $0$

HEX FFFF

HEX FFFF

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX FFFF

HEX FFFF

HEX $0$

HEX $0$

HEX $0$

HEX FFFF

HEX $0/$ Start of character $4$

HEX FFFF

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX $0$

HEX $0$

HEX $0$

HEX FFFF

HEX FFFF

HEX $0$

HEX FFFF

HEX FFFF

HEX $0$

HEX $0/$ Start of character $5$

HEX $0$

HEX $0$

HEX $0$

HEX FFFF

HEX FFFF

HEX $0$

HEX $0$

HEX FFFF

HEX FFFF

HEX FFFF

HEX $0$

HEX $0$

HEX $0$

HEX FFFF

HEX FFFF $/$ Start of character $6$

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX FFFF

HEX $0$

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0/$ Start of character $7$

HEX $0$

HEX $0$

HEX FFFF

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX FFFF

HEX $0$

HEX FFFF

HEX FFFF

HEX FFFF $/$ Start of character $8$

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX FFFF $/$ Start of character $9$

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX $0$

HEX FFFF

HEX FFFF

HEX $0$

HEX FFFF

HEX $0$

HEX FFFF