; ; Quick hack to emulate some CPM bdos calls (well, enough to make it work) ; option output-file, hex.hex option output-format, hex org 0 halt org 5 jp cpm org $f000 cpm: push af push bc push de push hl ld a,9 cp c call z,print_string ld a,2 cp c call z,print_char pop hl pop de pop bc pop af ret print_string: ld bc,$0082 out (c),a ret print_char: ld a,e ld bc,$0080 out (c),a ret