H@ ORG ! 0x8000 BIN( !
JMPs, L1 FWRs ( start )
L2 ( msg ) BSET ," Hello World!" 0 A,
L1 FSET ( start )
SI L2 @ ( msg ) MOVxi, AH 0x0e MOVri, ( print char )
L1 BSET ( loop ) LODSB, AL AL ORrr, ( end of str? )
JZ, L2 FWRs ( next ) 0x10 INT, ( print char )
JMPs, L1 ( loop ) BWR
L2 FSET ( next ) AH 0 MOVri, 0x16 INT, ( read kbd )
AH 0x0e MOVri, 0x10 INT, ( spit read char ) HLT, ( done )