; Prints "Hello world" in terminal ; Usage: assemble this file with z80asm and insert the resulting bytes ; via Memory Monitor from address 0xA000 to test SET and RUN commands. org 0xA000 ; Set starting position to ram ld bc, HELLO_WORLD_STR Term_print: ld a, (bc) ; bc is the pointer to string's first char cp 0 ; compare A content with 0 (subtract 0 from value and set zero flag Z if result is 0) jp z, term_print_end out (0x00),a ; output char to IO device 0, addr 0 inc bc ; increment bc to move to next char jp Term_print term_print_end: halt HELLO_WORLD_STR: DB "Hello world!",0