; A not optimized at all hello world program psh 72 ; H mov a st prt a psh 101 ; e mov a st prt a psh 108 ; l mov a st prt a prt a psh 111 ; o mov a st prt a psh 32 ; mov a st prt a psh 87 ; W mov a st prt a psh 111 ; o mov a st prt a psh 114 ; r mov a st prt a psh 108 ; l mov a st prt a psh 100 ; d mov a st prt a psh 32 ; mov a st prt a psh 33 ; ! mov a st prt a psh 10 ; \n mov a st prt a