Random Thoughts.....What Are You Thinking?

Option Explicit On
Option Strict On
Option Infer Off


Public Class MainForm


    Private Sub exitButton_Click(sender As System.Object, e As System.EventArgs) Handles exitButton.Click
        Me.Close()

    End Sub


    Private Sub calcButton_Click(sender As System.Object, e As System.EventArgs) Handles calcButton.Click
        'declare variables and constants
        Const WaterChg As Double = 0.00175
        Dim currentRead As Double
        Dim prevRead As Double
        Dim gallonsUsed As Double
        Dim totalCharge As Double

        'get the input from the text boxes
        Double.TryParse(currentTextBox.Text, currentRead)
        Double.TryParse(prevTextBox.Text, prevRead)

        'calculate gallons used and total charge
        If currentRead >= prevRead Then
            gallonsUsed = currentRead - prevRead
            totalCharge = gallonsUsed * WaterChg

            'display gallons used and total charge
            gallonsUsedLabel.Text = gallonsUsed.ToString()
            totalChargeLabel.Text = totalCharge.ToString("C2")

        Else
            'show error message if currentRead is less than prevRead
            messageLabel.Text = "Invalid Parameters: Current Reading must be less than Previous Reading!"
        End If





    End Sub
End Class

.text
.globl main

main:
lui      $9,0x1000 # Loads the buffer to $9
lui 	 $10,0x1000 # Loads the string to $10
addiu    $10, $10, 512 # Increment

loop1:    
lbu $11, 0($10) # Get the char
sll $0,$0,$0 # Branch delay
beq $11, $0, done # Exit loop if char == null
sll $0,$0,$0 # Branch delay
sb $11, 0($9) # Store the char to $11

addiu $9, $9, 1 # Increment $9
addiu $10, $10, 1 # Increment $10

j loop1 # Jump to loop1
sll $0,$0,$0 # Branch delay

done: sll $0,$0,$0 # Target for branch
addiu $10,$10,1 # Increment $10
j loop2 # Jump to loop2

loop2:
lbu $11,0($10) # Get the Char
sll $0,$0,$0 # Branch delay
sb $11, 0($9) # Store the char to $11
beq $11, $0, done2 # Exit the loop if char == null
addiu $10, $10, 1 # Increment $10
addiu $9,$9, 1 # Increment $9



j loop2 # Jump to loop2
sll $0,$0,$0 # Branch delay

done2: sll $0,$0,$0 # Target for branch


.data

buffer: .space 512 # Buffer
string1: .asciiz "In a hole in the ground" #  First String
string2: .asciiz " there lived a hobbit." #  Second String