;.org 0x100
;.db msg "Hello, world!", 0
;.db more_stuff "AA", 0
copy r7, 45 ; //
cmp r8, 45 ;1000 1111
add r4, 30
sub r1, 69
int 20
jz 45

;copy r1, 45 ;//B0 = 10110000
;copy 2, 45
;loop:
;    cmp r1, 0
;    jz loop
;    add r1, 1
;mov r1, 5   ; move the immediate value 5 into r1
;add r1,5   ; add 5 into r1
;int 21      ; maybe that will call some string drawing BIOS-like routine
;ret