Area De Un Triangulo Ensamblador

////area de un triangulo max 99 b*h/ 2

debug
eds:200 "99"
eds:300 "25"
eds:400 "0000"
eds:500 "0000"
eds:600"00000"
eds:700 "00000"
a
mov ch, 2
mov si, 201
mov di, 301
mov bx, 403
mov al, [si] ;salto 1
mov cl, [di]
andal, 0f
and cl, 0f
mul cl
add al, dl
aam
mov [bx], al
mov dl, ah
mov ah, 0
dec si
dec bx
dec ch
jne 10b;salto 1
mov [401], dl
mov dl, 0
mov ch, 2 ;MULTIPLICACION 2
mov si, 201
mov di, 300
mov bx, 502
mov al, [si] ;salto2
mov cl, [di]
and al, 0f
and cl, 0f
mul cl
add al, dl
aam
mov [bx], al
mov dl, ah
mov ah, 0
dec si
dec bxdec ch
jne 137 ;salto 2
mov [500], dl
mov ch, 4 ;SUMA
mov si, 403
mov di, 503
mov bx, 604
mov al, [si] ;salto3
mov cl, [di]
adc al, cl
aaa
mov [bx], al
mov dl, ah
mov ah, 0
dec si
dec di
dec bx
dec chjne 161 ;salto 3
mov ch, 4 ;DIVISION
mov si, 601
mov cl, 2
mov bx, 701
mov al, [si] ;salto 4
aaddiv cl
mov [bx], al
inc si
inc bx
dec ch
jne 17f ;salto 4
mov cl, 5;imprimir
mov si, 700
mov ah, 02
mov dl, [si] ;salto 5
or dl, 30
int 21
inc si
dec cl
jne 194 ;salto 5
int 20