No, the "-" is not a bug. I'm not sure I understand your 'Fault at : 50 and 53'
The line... '#-10, HST,AtST,PST,MST,CST,EST,AlST' ... In the Propeller IDE evaluates to ...
HST = -10
AtST = -9
PST = -8
MST = -7
CST = -6 <-- I am in Central USA time zone which is GMT - 6
EST = -5
AlST = -4
...likewise for the Daylight time zones
If you want GMT + 1, then in the CON section, just make...
BST = 1 or CET = 1 or wherever you may be.
The line of code that this constant gets applied to reads ...
... Change 'CST' to your abbreviation or just hard code the number in its place like this...
LongHIGH contains the upper 32 Bits of the 64 Bit time stamp <--- Seconds
LongLOW contains the lower 32 Bits of the 64 Bit time stamp <--- Fractional seconds