excel vba make a short integer from two bytes
Public Function MakeInteger%(LoByte As Byte, HiByte As Byte)
If HiByte And &H80 Then
MakeInteger = ((HiByte * &H100&) Or LoByte) Or &HFFFF0000
Else
MakeInteger = (HiByte * &H100) Or LoByte
End If
End Functionexcel vba long integer to bits
Function LongToBits$(ByVal n&)
Dim i&
LongToBits = "00000000000000000000000000000000"
If n And &H80000000 Then
Mid$(LongToBits, 1, 1) = "1"
n = n And Not &H80000000
End If
For i = 32 To 2 Step -1
If n And 1 Then Mid$(LongToBits, i, 1) = "1"
n = n \ 2
Next
End Function
'------------------------------------------------------------------------------
MsgBox LongToBits(0) '<--displays: 00000000000000000000000000000000
MsgBox LongToBits(293781237) '<--displays: 00010001100000101011111011110101
MsgBox LongToBits(-1) '<--displays: 11111111111111111111111111111111vba bits to integer
'Extremely fast VBA function to convert a binary string to a 16-bit Integer:
Function BitsToInteger%(bits$)
Dim i&
Static b() As Byte
If LenB(bits) > 32 Then Exit Function
If LenB(bits) = 32 Then
b = bits
Else
b = String$(16 - Len(bits), "0") & bits
End If
For i = 2 To 30 Step 2
BitsToInteger = 2 * BitsToInteger Or (b(i) Xor 48)
Next
If (b(0) Xor 48) Then BitsToInteger = BitsToInteger Or &H8000
End Function
'Example:
MsgBox BitsToInteger("1111111111111111") '<--displays: -1
MsgBox BitsToInteger("0111111111111111") '<--displays: 32767Copyright © 2021 Codeinu
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