I need help in this assembly program, I can fix those 4 errors

.MODEL SMALL .286 .DATA

.CODE

Menu: mov ah, 0 mov al,3h int 10h

mov ax, 0600h mov bh,0fh mov cx, 0000h mov dx, 184Fh int 10h mov ah,02h mov bh,00 mov dh,00 mov dl,00 int 10h mov dl, mostrarMenu mov ah,09 int 21h

mov ah,08 int 21h

mostrarMenu db 'Bienvenido Eliga una figura',13,10 db '1. Circulo',13,10 db '2. Linea',13,10 db '3. Cuadrado',13,10 db '4. Triangle',13,10 db 'Selecciona un opcion',13,10,'$'

cmp al,49 je op1 cmp al,50 je op2 cmp al,51 je op3 cmp al,52 je op4

op1: .model SMALL .code org 100h circle1: mov ax, 13h int 10h PUSH 0A000H pop es mov dx, 160 mov di,100 mov al, 04h mov bx, 50 call circle mov ah,0 int 16h mov ax, 3 int 10h mov ah, 4ch int 21h circle: mov bp,0 mov si, bx c00: call _8pixels sub bx, bp inc bp sub bx, bp jg c01 add bx, si dec si add bx, si c01: cmp si, bp jae c00 ret _8pixels: CALL _4PIXELS

_4PIXELS: xchg bp, si call _2PIXELS _2PIXELS: neg si push di add di, si IMUL DI,320 add di, dx mov es:[di+bp], al sub di, bp stosb pop di ret end circle1

op2: .MODEL SMALL .DATA H DW 100 W DW 100 TEMP DW 0000 TEMP2 DW 0000 .CODE LINE PROC MOV AH, OH MOV AL, 12H INT 10H MOV CX, H MOV DX, W MOV TEMP2, CX MOV BX, CX ADD BX, DX MOV TEMP, BX MOV AX, 0C02H BACK: INT 10H INC CX CMP CX, 300 JNZ BACK MOV AX, 0C02H RET LINE ENDP START: MOV AX, @DATA MOV DS, AX CALL LINE MOV AX,0H INT 16H MOV AH, OH MOV AL,03H INT 10H FIN: MOV AX, 4C00H INT 21H END START

op3: .MODEL SMALL .DATA H DW 100 W DW 100 TEMP DW 0000 TEMP 2 DW 0000 .CODE RECT PROC MOV AH, 0H MOV AL, 12H INT 10H MOV CX, W MOV DX, H MOV TEMP2, CX MOV BX, CX ADD BX, DX MOV TEMP, BX MOV AX, 0C02H BACK1: INT 10H INC DX CMP DX, CX JNZ BACK1

MOV AX, 0C02H BACK2: INT 10H DEC CX CMP CX, TEMP2 JNZ BACK2 MOV AX, 0C02H BACK3: INT 10H DEC DX CMP DX, CX JNZ BACK 3 RET RECT ENDP RECT1: MOV AX, @DATA MOV DX, AX CALL RECT MOV AX, 0H INT 16H MOV AH, 0H MOV AL, 03H INT 10H FIN: MOV AX, 4C00H INT 21H END RECT1

op4: .MODEL SMALL .DATA H DW 50 W DW 50 TEMP DW 0000 TEMP2 DW 0000 .CODE JMP START MODE DB 18 X_CENTER DW 300 Y_CENTER DW 200 Y_VALUE DW 0 X_VALUE DW 100 DECISION DW 1 COLOUR DB 2

TRI: MOV AH, 00 MOV AL, MODE INT 10H

DRAWCIRCLE: MOV AL, COLOUR MOV AH, 0CH

MOV CX, X_VALUE ADD CX, X_CENTER MOV DX, Y_VALUE NEG DX ADD DX, Y_CENTER INT 10H

MOV CX, X_VALUE NEG CX ADD CX, X_CENTER INT 10H

MOV CX, Y_VALUE ADD CX, X_CENTER MOV DX, X_VALUE NEG DX ADD DX, Y_CENTER INT 10H MOV CX, Y_VALUE NEG CX ADD CX, X_CENTER INT 10H

INC Y_VALUE CONDITIO1: CMP DECISION, 0 JA CONDITION2 MOV CX, Y_VALUE MOV AX, 2 IMUL CX ADD CX, 1 INC CX ADD DECISION, CX MOV BX, Y_VALUE MOV BX, X_VALUE CMP BX, DX JG READKEY JMP DRAWCIRCLE

CONDITION2: DEC X_VALUE MOV CX, Y_VALUE SUB CX, X_VALUE MOV AX, 2 IMUL CX INC CX ADD DECISION, CX MOV BX, Y_VALUE MOV DX, X_VALUE CMP BX, DX JG READKEY JMP DRAWCIRCLE

READKEY: MOV AH, 00 INT 16H

ENDD: MOV AH, 00 MOV AL, 03 INT 10H MOV AH, 04CH MOV AL, 00 INT 21H END TRI

END Menu

icrosoft (R) Macro Assembler Uersiom 5.00 right (C) Microsoft Corp 1981-1985, 1987. All rights reserved object filename [menu oBJ1: Source listing CNUL.LSTI: ross-reference CNUL.CRFJ nu. ASM(29) error A2006: Phase error between passes menu ASM(39): error A2009: Symbol not defined: 0P2 menu .ASM(41): error A2009: Symbol not defined OP3 menu ASMC43): error A2009: Symbol not defined OPA 50418 466110 Bytes symbol space free Warning Errors 4 Severe Errors