WebJan 26, 2024 · When the assembler generates the length for the comparison it is based on the first operand. You do not show this in the code but my assumption it is something like . INPUT DS CL3. In this case, the instruction CLC input,=c'1' is comparing a three byte field with 1 character literal. So, you are comparing a three byte area to a three byte area ... WebMar 8, 2012 · 4. CLD: clear direction flag so that string pointers auto increment after each string operation. STD: std is used to set the direction flag to a 1 so that SI and/or DI will …
MVCL, CLCL, and EX - Northern Illinois University
WebThe following is a table of links to articles covering a variety of topics in IBM z/OS Assembly language. Conversion of Binary, Decimal, and Hexadecimal Data: ... Instructions, … WebThis instruction behaves like CLC but it can be used to compare fields as long as 2 24-1 bytes long. Format: label CLCL R 1,R 2. Each of the specified registers must be an even … riding in cars with boys wiki
Assembler Programming or Coding Techniques for a Mainframe …
WebCreate a Binary Table. This is a rather esoteric coding technique for creating a sequential 256 byte table of the character set using a single instruction. The technique uses the addressing constant (ADCON) function of mainframe assembler. Let's take a look at how the 256AL1 (*-TABLE) creates a 256 byte EBCDIC table. Webit will set the condition code .... 0=equal. 1=args1 WebSC26-4940-06. This appendix summarizes the macro and conditional assembly language described in Part 3 of this publication. Table 1 indicates which macro and conditional assembly language elements can be used in the name and operand entries of each statement. Table 3 summarizes the expressions that can be used in macro instruction … riding in cars with boys true story