vi Test/ Alter /Branch Group , , , , , 38 Shift/ Rotate Group , " 40 Logical Group· ......... , , , , 41 Stack Group ..................... . .... 42 BCD Math Group· .......................... , ............ , , 44 I/O Group ................................ ···47 Miscellaneous . , , ....... , , , , , , , , , , , , , 48 Chapter 4: Assembly Language Fundamentals Program Entry , .. , ., ., ..... , , , , , , , 49 Assembly Language Source ............. '. " ....................... 51 Actions· ... , ................... , , , 51 Labels .... , , , , , , , , 51 Comments' .... , . , . . . . . . . . .. . ... , ... , .... , ... , ...... , 53 Syntaxing the Source , .. , 53 Creating Modules ..
, , , , , , 55 Storage .. , , , 56 Modules ...... , , , , 56 Variables ... , ........ , ................... '.' , , 56 Data Generators· ... , , , , , , , , , , 57 Repeating Instructions . , . , , , , 59 Assembling, ........ , ... , , .. , , ,. ·······,····,········,··,········60 Effect of BASIC Environments , , , , , , 60 Source Listing Control , .................. , ... , .......... , .. , .... ", ...... , 61 Page Format· .. , , , , , , ,.,." , , , , , 62 Page Length ... , . , , , , , 63 End-of-Page Control ., , , ' , , , , .' 63 Page Headings ....... , , ..... , ........ , , . , , , , , 64 Blank Line Generation .. , , , , , , , 65 Non-Listable Pseudo-Instructions ., ..... , ..
",............. ., ..... , ...... 65 Conditional Assembly, ......... , . , .. , , , , , 65 Symbolic Operations ,.,.' ................ , .................. , ..... ,., ... 69 Relocation ..... , .. , , , , , , , , , 68 Pre-Defined Symbols .,., ..... , .......... " ...... , , , , , 69 Defining Your Own .. , . , .. , . , , " , , 71 Literals .', ... , ............ , ......... , , , , , , 72 Evaluation of Literals, .... , .... , .... , ... , .. , , , , 72 Nesting Literals , ......... , , , , 73 Nonsensical Uses of Literals· , , , , , , , 74 Literal Pools .......... , ... , , , , , 74