Remove all occurences of charactes from string 2 in string 1

Makefile

CFLAGS = -m32
text: main.o text.o
	gcc $(CFLAGS) main.o text.o -o text

main.o: text.c
	gcc $(CFLAGS) -c text.c -o main.o

text.o: text.s
	nasm -f elf text.s

clean:
	rm -f text text.o main.o

text.c

#include <stdio.h>

void subs(char* str, char* str2);

int main(int argc, char** argv)
{
	char buf[2048], buf2[2048];
	scanf("%s ", buf);
	scanf("%s ", buf2);
	printf("searching %s in %s\n", buf2, buf);
	/*long r =*/ subs(buf, buf2);
	printf("%s\n", buf);
	return 0;
}

text.s

bits 32
section .text
global subs

remove:
	push	edi
	push 	eax
	
remove_cont:
	movzx	eax, byte[edi+1]
	cmp		eax, 0
	jz		remove_end

	mov		byte[edi], al
	inc		edi

	jmp		remove_cont
remove_end:
	mov		byte[edi], 0

	pop		eax
	pop 	edi
	ret

subs:
	;ramka stosu
	push	ebp
	mov		ebp, esp
	sub		esp, 257

	%idefine	str		[ebp+8]
	%idefine	str2	[ebp+12]

	push	ebx
	push	edi
	push	esi
	mov		edx, str2
	mov		edi, str

;zero fill 
	mov		ecx, -257
zfloop:
	jz		read_chars
	mov		byte [ebp+ecx], 0
	inc		ecx
	jmp 	zfloop

;chars in str2
read_chars:
	movzx	ebx, byte[edx] ; char of str2
	inc		edx
	mov		ecx, -1
	sub		ecx, ebx
	mov		byte [ebp+ecx], 1
	cmp		ebx, 0
	jnz		read_chars

stringloop:
	movzx	esi, byte[edi] ; char of str

	cmp		esi, 0
	jz		end_subs

	mov		ecx, -1
	sub		ecx, esi
	movzx	ebx, byte[ebp+ecx]

	cmp		ebx, 0
	jz		next_cmp

	call	remove
	jmp 	stringloop

next_cmp:
	inc 	edi
	jmp		stringloop


end_subs:
	pop		esi
	pop		edi
	pop		ebx
	leave
	ret