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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.
28 lines
1.1 KiB
Plaintext
28 lines
1.1 KiB
Plaintext
The '''SETMEM''' function is used to increase, decrease or return the current "far heap" byte size.
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{{PageSyntax}}
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:: SETMEM(byte_size)
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''Description:''
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*'''[[Keywords currently not supported by QB64|Currently NOT supported in QB64!]]'''
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* SETMEM(0) returns the total number of bytes currently in the far heap memory area.
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* The byte size indicates the number of bytes to increase or decrease the far heap.
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:* If the byte size is negative, SETMEM decreases the far heap by the indicated number of bytes.
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:* If the byte size is positive, SETMEM '''attempts''' to increase the far heap space by the number of bytes.
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* If SETMEM cannot change the far heap by the requested number of bytes, it reallocates as many bytes as possible.
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* SETMEM can be used in mixed-language programming to decrease the far heap space so procedures in other languages can dynamically allocate far memory.
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:'''Note: A first call to SETMEM trying to increase the far heap has no effect because Basic'''
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::'''allocates as much memory as possible to the far heap when a program starts.'''
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''See also:''
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* [[DECLARE (non-BASIC statement)]]
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{{PageNavigation}} |