A source module is composed of source statements in the assembler language. You can include these statements in the source module in two ways:
The first statement of a source module can be any assembler language statement, except MEXIT and MEND. You can initiate the first control section of a source module by using the START instruction. However, you can write some source statements before the beginning of the first control statement. See First section for more details.
The END instruction marks the end of a source module. However, you can code several END instructions; conditional assembly processing can determine which of several coded or substituted END instructions is to be processed. Also, specifying the BATCH option allows you to supply more than one source module in a single input stream; when BATCH is specified, the assembler completes assembling a source module when an END statement is encountered, and if further statements are found in the input stream, assembly of a new source module is begun. See END instruction for more details, and the section "BATCH" in the HLASM Programmer's Guide for information about the BATCH option.
Conditional Assembly: Conditional assembly processing can determine which of several coded or substituted END instructions is to be processed.
[ Top of Page | Previous Page | Next Page | Contents | Index ]