.data
	spaceFound:
	.byte 0

.text
.type transform, @function
.global transform

#rdi - string pointer
#rsi - change

#0 - no space
#1 - space found

transform:
	MOV %rdi, %rcx #beginning
	MOV %rdi, %rbx #second pointer
loop:
	CMP $' ', (%rdi)
	JE space
	MOVB $0, spaceFound
	CMP $1, %rsi
	JE transformToUpperCase
	MOV (%rdi), %al
	MOV %al, (%rbx)
afterSpace:
	INC %rdi
	CMP $0, (%rdi)
	JNE loop
	MOV %rcx, %rax
	RET

space:
	CMP $0, spaceFound
	JE moveSpace
	JMP afterSpace

moveSpace:
	MOV (%rdi), %al
	MOV %al, (%rbx)
	INC %rbx
	MOVB $1, spaceFound
	JMP afterSpace

transformToUpperCase:
	MOV (%rdi), %al
	MOV %al, (%rbx)
	SUBL $'A', (%rax)
	INC %rbx
	JMP afterSpace