// lib:
// print.dsa

// usage:
//
// include print "<relative path>""
//      
// usage for print:
//      push (register containing address of string)
//      push pcx
//      jmp print::print
//
// usage for reset:
//      push pcx
//      jmp print::reset

dw display: 0x20000
dw current: 0x20000

reset:
    pop ret
    ldw display, rg1
    stw rg1, current
    jmp 4, ret

print:
    pop ret // return address
    pop rg0 // string
    ldw current, rg1

loop:
	ldb rg0, acc
	stb acc, rg1

	addi rg0, 1
	addi rg1, 1

    cmp acc, zero
	jne loop

    // return
end:
    // set current to 
    stw rg1, current
	jmp 4, ret