Format of DOS 3.30 internal code page structure:
Offset Size Description )
00h 8 BYTEs ???
08h 64 BYTEs name of country information file (see #02619)
48h WORD system code page (see #01757 at INT 21/AX=6602h)
4Ah WORD number of supported subfunctions
4Ch 5 BYTEs data to return for INT 21/AX=6502h
51h 5 BYTEs data to return for INT 21/AX=6504h
56h 5 BYTEs data to return for INT 21/AX=6505h
5Bh 5 BYTEs data to return for INT 21/AX=6506h
60h 41 BYTEs data to return for INT 21/AX=6501h