Variable bit set error

[ToniG]

I use bit set with a byte variable for the bit number without issue

Tmp_1 = DBuf(DigN)
Tmp_1.Seg_n = SEGon ' ok

But when I use a var with NOT to toggle the bit I get an error.

Temp_1.Seg_n = !Temp_1.Seg_n    '< Error: SysTemp1 is not a bit or valid constant

I used a workaround to keep going (If statement) ,
Issue test code below...

'Toggle bit Test

#chip 12F683, 8
#config Osc = Int

Seg_n = 7
Temp_1 = 255
'Toggle disp buffer array  bit
    Temp_1.7 = !Temp_1.7            'OK
    Temp_1.Seg_n = !Temp_1.Seg_n    '< Error: SysTemp1 is not a bit or valid constant
    If Temp_1.Seg_n = 1 then Temp_1.Seg_n = 0 Else Temp_1.Seg_n = 1 '< Workaround

End

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Great Cow BASIC (0.98.07 2021-07-07 (Windows 64 bit) : Build 995)

Compiling D:\Data_GCBasic\TEST1_OEM_Lib\BitToggleTst_1.GCB ...

An error has been found:

BitToggleTst_1.GCB (12): Error: SysTemp1 is not a bit or valid constant.
Constant values should be 0 or 1

The message has been logged to the file Errors.txt.

Test code attached...

[ToniG]

Another workaround is similar to the bit set for an array.

Dim TmpBit as Bit
TmpBit = Temp_1.Seg_n : TmpBit = !TmpBit : Temp_1.Seg_n = TmpBit '< Workaround 2