diff --git a/05-subroutines-params/task1.c b/05-subroutines-params/task1.c
new file mode 100644
index 0000000..9579b78
--- /dev/null
+++ b/05-subroutines-params/task1.c
@@ -0,0 +1,55 @@
+#include <stdio.h>
+
+typedef struct
+{
+  unsigned long h;
+  unsigned long l;
+} LongNum;
+
+typedef unsigned char byte;
+
+extern void task_regs(LongNum* a, LongNum* b, LongNum* result);
+
+extern unsigned long task_stack(); // Для передачи через Си потребуется функцкия-обертка
+
+unsigned long stack_wrapper(void* arr, byte bits)
+{
+  unsigned long result = 0;
+  byte shift = bits >> 3;
+  printf("shift is %d", shift);
+  __asm__(
+      "pushq %%rsp\n\t"
+      "movq $2, %%rcx\n\t"
+      "subq $2, %%rsp\n\t"
+      "movb %2, (%%rsp)\n\t"
+      "xorq %%rdx, %%rdx\n\t"
+      "pop %%dx\n\t"
+      "stack_push_loop:\n\t"
+      "subq %%rdx, %%rsp\n\t"
+      "movq (%1), %%rsp\n\t"
+      "addq %%rdx, %1\n\t"
+      "loopq stack_push_loop\n\t"
+      "call stack_wrapper\n\t"
+      "addq %%rdx, %%rdx\n\t" // умножаем на 2
+      "addq %%rdx, %%rsp\n\t"
+      "popq %%rsp"
+      :"=a"(result)
+      :"b"(arr), "d"(shift)
+      :"%rcx"
+  );
+  result = task_stack();
+  return result;
+}
+
+int main()
+{
+  LongNum a = { 0x00000000, 0x01000000}; // По факту передача через стек)
+  LongNum b = { 0x10100010, 0x0900000f};
+  LongNum c;
+
+  task_regs(&a, &b, &c);
+  printf("asdfasfasfasfda %lx %lx", c.h, c.l); // Проверим, что сложили +- корректно
+  int nums[2] = {88, 11};
+  stack_wrapper(nums, sizeof(int));
+  return 0;
+}