Weird Assembly program to print the numbers from 1 to 100.

numbers.asm

section .text
global _start

print:
	xor rax, rax
	inc rax
	xor rdi, rdi
	xor rdx, rdx
	inc rdx
	inc rdx
	inc rdx
	inc rdx
	syscall
	ret
	
_start:
	xor rax, rax
	xor rbx, rbx
	
	inc rax
	inc rax
	inc rax
	mov rcx, rax
	inc rax
	shl rax, cl
	
	dec rsp
	mov [rsp], rax
	
	xor rax, rax
	inc rax
	inc rax
	inc rax
	mov rcx, rax
	inc rcx
	
	shl rax, cl
	mov cl, al
	mov ch, al
	
	dec rsp
	mov [rsp], cl
	dec rsp
	mov [rsp], cl
	dec rsp
	mov [rsp], cl
	
	inc cl
	inc cl
	inc cl
	inc cl
	inc cl
	inc cl
	inc cl
	inc cl
	inc cl
	inc cl
	
	mov rsi, rsp
	
	dec rsp
	mov [rsp], cl
	dec rsp
	mov [rsp], ch

	loop:
		mov ch, [rsp]
		inc rsp
		mov cl, [rsp]
		inc rsp
	
		inc rsp
		inc rsp
		
		mov al, [rsp]
		inc al
		mov [rsp], al
		
		cmp al, cl
		jne next
		
		mov [rsp], ch
		dec rsp
		mov al, [rsp]
		inc al
		mov [rsp], al
		inc rsp
		
		cmp al, cl
		jne next
		
		dec rsp
		mov [rsp], ch
		dec rsp
		mov al, [rsp]
		inc al
		mov [rsp], al
		inc rsp
		inc rsp
		jmp last
		
		next:
		dec rsp
		dec rsp
		dec rsp
		dec rsp

		call print
	jmp loop
	
	last:
	dec rsp
	dec rsp
	dec rsp
	dec rsp

	call print