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zasm - Z80 Assembler – Version 4.4

Pseudo instructions

defs, ds, .ds, .block, .blkb and data

defs   <value1> [,<value2>]
Pseudo instructions: defs, ds, .ds, .block, .blkb and data
8080 pseudo instructions: DS
ds <value1> [,<value2>] .block <value1> [,<value2>] .blkb <value1> [,<value2>] data <value1>

This Pseudo instructions
8080 Assembler: 8080 pseudo instructions
pseudo instruction inserts a block of <value1> bytes into the current code or data segment. The default fill pattern is $FF for ROMs and $00 for all other target formats. Assembler directives: #if, #elif, #else, #endif
Pseudo instructions: if, endif
If you append a <value2>, this byte is used as pattern instead.

Assembler directives: #if, #elif, #else, #endif
Pseudo instructions: if, endif
If the current segment is a data segment, then no fill pattern is allowed, as no actual code is stored.

Instruction 'data' is only allowed in a data segment and therefore it can never have a fill pattern assigned.

Multitiple names are recognized to support sources for different assemblers. defs or Pseudo instructions: defs, ds, .ds, .block, .blkb and data
8080 pseudo instructions: DS
ds
are recommended, the others are deprecated for new source.

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