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# zasm - Z80 Assembler – Version 4.4

# Command Line Options

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| ##### --reqcolon, .reqcolon Related Differences from v3 to v4: Command line options Command Line Options Command Line Options: Command line options command line option, Pseudo instructions 8080 Assembler: 8080 pseudo instructions pseudo instruction and predefined label Select syntax variant where colons ':' are required after Types of labels: Program labels Types of labels: Program labels program label definitions. Normally colons are not required and the assembler decides whether a name is a label definition or something else by the position where it starts: Pseudo instructions: Label definition Numeric expressions: Labels 8080 Assembler: Labels label names must start in column 1 and instructions must be preceded by some space. This #insert: Examples: #assert: Example: incbin: Examples: #assert: Example:example must not be compiled with --reqcolon or --Command Line Options: --dotnames, .dotnames Commands for command line options: --dotnames, .dotnames Label definition: --dotnames dotnames:
    .org 0                  ; due to the dot this Pseudo instructions
    8080 Assembler: 8080 pseudo instructionspseudo instruction is allowed in column 1
    foo     Pseudo instructions: equ
    Types of labels: Named values
    Labels: EQUequ 0xF00       ; label definition
    bar:    and a           ; Types of labels: Program labels
    Types of labels: Program labelsprogram label def and a instruction
            jp  foo         ; instruction
    shelf   Pseudo instructions: defb, db, .db and .byte
    8080 pseudo instructions: DBdb  0           ; Types of labels: Program labels
    Types of labels: Program labelsprogram label def and a Pseudo instructions
    8080 Assembler: 8080 pseudo instructionspseudo instruction
But some source files don't obey this widely accepted rule and put instructions in column 1 or – actually seen – start label definitions indented with some tabs. As long as only Pseudo instructions 8080 Assembler: 8080 pseudo instructions pseudo instructions starting with a dot are put in column 1 and option --Command Line Options: --dotnames, .dotnames Commands for command line options: --dotnames, .dotnames Label definition: --dotnames dotnames is not required, this is no problem. In all other cases you need this option --reqcolon and, of course, then colons are required after Types of labels: Program labels Types of labels: Program labels program label definitions, but still not after other label definitions with 'Pseudo instructions: equ Types of labels: Named values Labels: EQU equ' and the like: This #insert: Examples: #assert: Example: incbin: Examples: #assert: Example:example must be compiled with --reqcolon:
    ; funny indented:
    org 0                       ; 'org' would be recognized as a Pseudo instructions: Label definition
    Numeric expressions: Labels
    8080 Assembler: Labelslabel without --reqcolon
        foo     Pseudo instructions: equ
    Types of labels: Named values
    Labels: EQUequ 0xF00       ; label definition
        bar:    and a           ; Types of labels: Program labels
    Types of labels: Program labelsprogram label def and a instruction
    jp  foo                     ; instruction
        shelf:                  ; Types of labels: Program labels
    Types of labels: Program labelsprogram label definition
    .Pseudo instructions: defb, db, .db and .byte
    8080 pseudo instructions: DBdb 0                       ; a Pseudo instructions
    8080 Assembler: 8080 pseudo instructionspseudo instruction
Prior to version 4.3.4 a Pseudo instructions: Label definition Numeric expressions: Labels 8080 Assembler: Labels label _reqcolon_ was also defined. |

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