100 ;  HELLO PROGRAM - JIM BUTTERFIELD
110    *=$1C40     ; FOR C128
120 ;  *=$0830     ; FOR C64
130 ;  *=$0430     ; FOR PET/CBM
140      LDX #$00
150 LOOP LDA MESSG,X
160     JSR $FFD2
170     INX
180     CMP #$0D
190     BNE LOOP
200     RTS
210 MESSG .ASC "HELLO!"
220     .BYTE $0D
230     END