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<< Click to Display Table of Contents >> Navigation: ThinBASIC Core Language > BuiltIn Functions > Numeric functions > Bit_Reset |
Description
Set to 0 (zero) a particular bit and return changed value
Syntax
nBit = BIT_Reset(InValue, BitNumber)
Returns
Number
Parameters
Name |
Type |
Optional |
Meaning |
InValue |
Numeric |
No |
This parameter will be casted to a QUAD data type before checking bits |
BitNumber |
Numeric |
No |
The bit in question: from 31 to 0 The first bit is the least-significant bit, which is bit number zero. See example for more info |
Remarks
Restrictions
See also
Examples
Uses "Console"
Dim l As Long
'---Bits representation---------------
'--- 3 2 1
'--- 10987654321098765432109876543210
l = &b10000000000010000000000000000001
'---MSB = bit 31 LSB = bit 0
PrintL "Bit 0 is ", Bit(l, 0) '---Will return 1 because bit 0 (LSB) is 1
PrintL "Bit 31 is ", Bit(l, 31) '---Will return 1 because bit 31 (MSB) is 1
PrintL "Bit 20 is ", Bit(l, 20) '---Will return 0 because bit 20 is 0
PrintL "Bit 19 is ", Bit(l, 19) '---Will return 1 because bit 19 is 1
PrintL
PrintL "Now changing some bits"
l = Bit_Reset(l, 19)
PrintL "After reset Bit 19 is now ", Bit_Get(l, 19) '---Will return 0
l = Bit_Toggle(l, 19)
PrintL "After toggle Bit 19 is now ", Bit_Get(l, 19) '---Will return 1
l = Bit_Reset(l, 19)
PrintL "After reset Bit 19 is now ", Bit_Get(l, 19) '---Will return 0
l = Bit_Set(l, 19)
PrintL "After set Bit 19 is now ", Bit_Get(l, 19) '---Will return 1
WaitKey