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https://github.com/QB64-Phoenix-Edition/QB64pe.git
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6e01fc8dce
Added new _STRCMP and _STRICMP commands for quick string comparisons. Cleaned up QB64 to finish removing the QUI (quick user insert) code and folders. Altered UCASE and LCASE routines to be faster in some situations for us.
42 lines
1.3 KiB
Plaintext
42 lines
1.3 KiB
Plaintext
The '''_MEMFILL''' statement converts a value to a specified type then fills memory with that type including any non-whole remainder.
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{{PageSyntax}}
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::: _MEMFILL ''memory_block'', ''memory_block.OFFSET'', ''fill_bytes'', ''variable'' [AS variable_type]
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* The ''memory block'' [[_MEM]] memory block is the block referenced to be filled.
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* The ''offset'' is the starting offset of the above referenced memory block.
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* The ''fill bytes'' is the number of bytes to fill the memory block.
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* The ''variable'' is the variable value to place in the memory block. The variable can be optionally set AS a variable [[TYPE]].
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''Example:'' Filling array values quickly.
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{{CodeStart}} '' ''
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{{Cl|DIM}} a(100, 100) {{Cl|AS}} {{Cl|LONG}}
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{{Cl|DIM}} b(100, 100) {{Cl|AS}} {{Cl|LONG}}
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'filling array a with value 13
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{{Cl|FOR...NEXT|FOR}} i1 = 0 {{Cl|TO}} 100
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{{Cl|FOR...NEXT|FOR}} i2 = 0 {{Cl|TO}} 100
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a(i1, i2) = 13
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{{Cl|NEXT}}
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{{Cl|NEXT}}
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'filling array a with value 13
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{{Cl|DIM}} mema {{Cl|AS}} {{Cl|_MEM}}
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mema = {{Cl|_MEM (function)|_MEM}}(a())
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{{Cl|_MEMFILL}} mema, mema.OFFSET, mema.SIZE, 13 {{Cl|AS}} {{Cl|LONG}}
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{{Cl|_MEMFREE}} mema '' ''
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{{CodeEnd}}
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''See also:''
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* [[_MEM]]
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* [[_MEM (function)]]
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* [[_MEMIMAGE]]
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* [[_MEMNEW]]
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* [[_MEMGET]], [[_MEMPUT]]
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{{PageNavigation}} |