fathello.asm
USE16
ORG 100h
JMP SHORT 105h ;length: 2
; JP 110h
DB 0C3h,10h,1 ;length: 3
;total length: 5
msdos: ;absolute address: 100h+5=105h
MOV DX,11Dh ;length: 3
MOV AH,9 ;length: 2
INT 21h ;length: 2
MOV AH,0 ;length: 2
INT 21h ;length: 2
;total length: 11
cpm: ;absolute address: 100h+5+11=110h
; LD DE,11Dh
DB 11h,1Dh,1 ;length: 3
; LD C,9
DB 0Eh,9 ;length: 2
; CALL 5
DB 0CDh,5,0 ;length: 3
; LD C,0
DB 0Eh,0 ;length: 2
; CALL 5
DB 0CDh,5,0 ;length: 3
;total length: 13
hello: ;absolute address: 100h+5+11+13=11Dh
DB 'Hello, world!',13,10,'$'