83Plus:BCALLs:80A8
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Revision as of 17:49, 7 February 2006 by FloppusMaximus (Talk | contribs)
Synopsis
Unofficial Name: IsAppFreeware
BCALL Address: 80A8
Check if a given app key ID is a "freeware" one.
Inputs
- appID contains the app key ID
- low nibble of (appID + 1) is the length of the ID
- (appID + 2) to (appID + n) are the actual ID
Outputs
- Z if the given key is "freeware" for this calculator (i.e., 0102 on the 73, 0104 on the 83 Plus, 0104 or 010A on the 84 Plus)
Destroys
Comments
This is a horribly complicated routine to do a very simple task.
