simplify this assembly code for rock, paper, scissors

;RPS game

%include "asm_io.inc"

segment .data

;

; initialized data is put in the data segment here

;

; PORTA EQU 00H

; PORTB EQU 02H

; PORTC EQU 04H

; PORT_CON EQU 06H ;sets alias of the i/o addresses of each port as their name

DATA ENDS

CODE SEGMENT

ORG 0000H

START:

MOV DX, 06H

MOV AL, 10000010B; port C (output), port A (output) in mode 0 and PORT B (INPUT) in mode 0

OUT DX, AL

MOV CL, 00000000B

MOV CH, 00000000B ;initializing CH and CL as 0

MOV DX, 00H

MOV AL, 00000000B

OUT DX, AL

MOV DX, 04H

OUT DX, AL ;turning off all the LEDs

GAME:

CMP CH, 03H ;checks if both the users have given their inputs

JZ DECISION ;if so, jumps to decision function

MOV DX, 02H

IN AL,DX

CMP AL, 11111111B ;takes input from portb and checks if the user has pressed any button

JNZ SELECT ;jumps to select if an input is detected

JMP GAME ;repeats the process indefinitely

SELECT:

CMP AL, 11111110B

JZ ROCK1

CMP AL, 11111101B

JZ PAPER1

CMP AL, 11111011B

JZ SCISSORS1

CMP AL, 11110111B

JZ ROCK2

CMP AL, 11101111B

JZ PAPER2

CMP AL, 11011111B

JZ SCISSORS2

CMP AL, 10111111B ;compares each choice with their respective buttons

JZ RESET

JMP GAME

ROCK1:

OR CH,01H ;sets the lsb of CH to indicate that player1 has inputted their choice

AND CL, 11111000B ;clears the previous choice if any

OR CL, 00000001B ;sets the bit according to the choice made (rock/paper/scissors)

JMP GAME

PAPER1:

OR CH,01H

AND CL, 11111000B

OR CL, 00000010B

JMP GAME

SCISSORS1:

OR CH,01H

AND CL, 11111000B

OR CL, 00000100B

JMP GAME

ROCK2:

OR CH,02H ;sets the 2nd last bit of CH to indicate player 2 has made their choice

AND CL, 11000111B ;clears the previous choices if any (the first two bits are don't care)

OR CL, 00001000B

JMP GAME

PAPER2:

OR CH,02H

AND CL, 11000111B

OR CL, 00010000B

JMP GAME

SCISSORS2:

OR CH,02H

AND CL, 11000111B

OR CL, 00100000B

JMP GAME

RESET: ;resets the game

JMP START

DECISION: ;compares every possible combination and accordingly jumps to the draw, lose and win functions

CALL LEDOUT

CMP CL, 00001001B

JZ DRAW

CMP CL, 00010001B

JZ LOSE

CMP CL, 00100001B

JZ WIN

CMP CL, 00001010B

JZ WIN

CMP CL, 00010010B

JZ DRAW

CMP CL, 00100010B

JZ LOSE

CMP CL, 00001100B

JZ LOSE

CMP CL, 00010100B

JZ WIN

CMP CL, 00100100B

JZ DRAW

LEDOUT:

MOV AL, CL

MOV DX, 00H

OUT DX, AL ;turns on the LEDs corresponding to the choice the players made

RET

DRAW:

MOV AL, 00000010B

MOV DX, 04H

OUT DX,AL ;turns on the draw LED

JMP PAUSE

WIN:

MOV AL, 00000100B

MOV DX, 04H

OUT DX,AL ;turns on the player 1 win LED

JMP PAUSE

LOSE:

MOV AL, 00000001B

MOV DX, 04H

OUT DX,AL ;turns on the player 2 win LED

JMP PAUSE

PAUSE: ;waits until reset button is set to maintain the state of the LEDs

MOV DX, 02H

IN AL,DX

CMP AL, 10111111B

JZ START

JMP PAUSE

JMP START

CODE ENDS

END