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‎Experiment - 2/part1.asm‎

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; Define constants for button and LED
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buttonMask equ 00000100b ; Bit mask for P1.2
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ledMask equ 00010000b ; Bit mask for P1.4
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; Define variables
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count equ 0 ; Counter for button presses
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; Initialize ports and variables
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SetupP1:
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mov.b #11111111b, &P1DIR ; Set all P1 pins as inputs (except P1.4)
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mov.b #11110111b, &P1OUT ; Enable pull-up resistor for P1.2 (P1.4 is initially low)
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mov.b #0d, R8 ; Initialize R8 as a loop counter
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main:
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; Check if the button is pressed
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bit.b #buttonMask, &P1IN ; Read the state of the button
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jz buttonNotPressed ; If the button is not pressed, continue
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; Debounce the button (wait for a short time)
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mov.w #1000, R9 ; Adjust the delay as needed
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debounceLoop:
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dec.w R9
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jnz debounceLoop
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; Check the button state again
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bit.b #buttonMask, &P1IN
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jz buttonNotPressed ; If the button is still not pressed, continue
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; Button is pressed
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inc.w count ; Increment the count
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; Toggle the LED
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bit.b #ledMask, &P1OUT ; Toggle the LED state
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buttonNotPressed:
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; Your code continues here
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; For example, you can display the count on the LEDs or perform other actions
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; Delay for a short time (optional)
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mov.w #10000, R10 ; Adjust the delay as needed
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delayLoop:
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dec.w R10
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jnz delayLoop
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jmp main ; Repeat the main loop

‎Experiment - 2/part2.asm‎

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; Define constants for buttons and LEDs
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incXButtonMask equ 00000001b ; Bit mask for P1.0 (Increase X)
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incYButtonMask equ 00000010b ; Bit mask for P1.1 (Increase Y)
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resetButtonMask equ 00000100b ; Bit mask for P1.2 (Reset)
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ledXMask equ 00001000b ; Bit mask for P1.3 (LED for X)
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ledYMask equ 00010000b ; Bit mask for P1.4 (LED for Y)
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; Define variables
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countX equ 0 ; Variable X
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countY equ 0 ; Variable Y
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; Initialize ports and variables
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SetupP1:
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mov.b #11111111b, &P1DIR ; Set all P1 pins as inputs (except P1.3 and P1.4)
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mov.b #11110011b, &P1OUT ; Enable pull-up resistors for P1.0, P1.1, and P1.2
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mov.b #00000000b, &P1OUT ; Initialize LEDs (P1.3 and P1.4) to LOW
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mov.b #0d, R8 ; Initialize R8 as a loop counter
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main:
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; Check if the Increase X button is pressed
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bit.b #incXButtonMask, &P1IN
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jz incYButtonPressed ; If the Increase X button is not pressed, check the Increase Y button
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; Debounce the button (wait for a short time)
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mov.w #1000, R9 ; Adjust the delay as needed
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debounceLoopX:
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dec.w R9
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jnz debounceLoopX
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; Check the button state again
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bit.b #incXButtonMask, &P1IN
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jz incYButtonPressed ; If the Increase X button is still not pressed, check the Increase Y button
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; Increase X
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inc.w countX ; Increment X
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; Display X on the LED (P1.3)
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mov.b countX, &P1OUT ; Output X to P1.3 LED
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jmp main
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incYButtonPressed:
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; Check if the Increase Y button is pressed
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bit.b #incYButtonMask, &P1IN
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jz resetButtonPressed ; If the Increase Y button is not pressed, check the Reset button
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; Debounce the button (wait for a short time)
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mov.w #1000, R9 ; Adjust the delay as needed
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debounceLoopY:
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dec.w R9
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jnz debounceLoopY
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; Check the button state again
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bit.b #incYButtonMask, &P1IN
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jz resetButtonPressed ; If the Increase Y button is still not pressed, check the Reset button
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; Increase Y
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inc.w countY ; Increment Y
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; Display Y on the LED (P1.4)
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mov.b countY, &P1OUT ; Output Y to P1.4 LED
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jmp main
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resetButtonPressed:
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; Check if the Reset button is pressed
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bit.b #resetButtonMask, &P1IN
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jz debounceLoopX ; If the Reset button is not pressed, go back to checking the Increase X button
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; Debounce the button (wait for a short time)
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mov.w #1000, R9 ; Adjust the delay as needed
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debounceLoopReset:
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dec.w R9
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jnz debounceLoopReset
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; Check the button state again
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bit.b #resetButtonMask, &P1IN
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jz debounceLoopX ; If the Reset button is still not pressed, go back to checking the Increase X button
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; Reset X and Y
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clr.w countX ; Clear X
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clr.w countY ; Clear Y
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; Turn off LEDs (P1.3 and P1.4)
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mov.b #00000000b, &P1OUT ; Turn off LEDs
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jmp main

‎Experiment - 2/part3.asm‎

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; Define constants for buttons and LEDs
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incXButtonMask equ 00000001b ; Bit mask for P1.0 (Increase X)
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incYButtonMask equ 00000010b ; Bit mask for P1.1 (Increase Y)
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resetButtonMask equ 00000100b ; Bit mask for P1.2 (Reset)
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calculateZButtonMask equ 00001000b ; Bit mask for P1.3 (Calculate Z)
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ledXMask equ 00010000b ; Bit mask for P1.4 (LED for X)
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ledYMask equ 00100000b ; Bit mask for P1.5 (LED for Y)
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ledZMask equ 01000000b ; Bit mask for P1.6 (LED for Z)
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; Define variables
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countX equ 0 ; Variable X
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countY equ 0 ; Variable Y
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countZ equ 0 ; Variable Z
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; Initialize ports and variables
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SetupP1:
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mov.b #11111111b, &P1DIR ; Set all P1 pins as inputs (except P1.4, P1.5, and P1.6)
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mov.b #11110011b, &P1OUT ; Enable pull-up resistors for P1.0, P1.1, and P1.2
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mov.b #00000000b, &P1OUT ; Initialize LEDs (P1.4, P1.5, and P1.6) to LOW
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mov.b #0d, R8 ; Initialize R8 as a loop counter
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main:
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; Check if the Increase X button is pressed
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bit.b #incXButtonMask, &P1IN
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jz incYButtonPressed ; If the Increase X button is not pressed, check the Increase Y button
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; ... (Increment X code)
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incYButtonPressed:
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; Check if the Increase Y button is pressed
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bit.b #incYButtonMask, &P1IN
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jz resetButtonPressed ; If the Increase Y button is not pressed, check the Reset button
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; ... (Increment Y code)
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resetButtonPressed:
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; Check if the Reset button is pressed
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bit.b #resetButtonMask, &P1IN
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jz calculateZButtonPressed ; If the Reset button is not pressed, check the Calculate Z button
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; ... (Reset code)
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calculateZButtonPressed:
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; Check if the Calculate Z button is pressed
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bit.b #calculateZButtonMask, &P1IN
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jz debounceLoopX ; If the Calculate Z button is not pressed, go back to checking the Increase X button
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; ... (Debounce Calculate Z button)
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calculateZ:
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; Calculate Z as X * Y using a loop
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clr.w countZ ; Clear Z
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calculateZLoop:
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add.w countX, countZ ; Add X to Z
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dec.w countY
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jnz calculateZLoop
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; Display Z on the LED (P1.6)
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mov.b countZ, &P1OUT ; Output Z to P1.6 LED
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jmp main

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