1 SEE DEMO invoke full screen editor to
create DEMO.ALC 370 assembler
source file.
2 DEMO CSECT first line - define section
3 USING *,15 second - define base register
4 LA 2,=C'HELLO$' third - address of msg. text
5 SVC 209 fourth - request console msg.
6 BR 14 fifth - exit to MS-DOS
7 END sixth - end of program
8 enter escape key to save DEMO.ALC
and exit to MS-DOS
9 A370 DEMO/LX assemble DEMO.ALC and create
DEMO.OBJ object code file and
DEMO.PRN listing with symbol
cross reference.