home *** CD-ROM | disk | FTP | other *** search
/ ftp.elysium.pl / ftp.elysium.pl.tar / ftp.elysium.pl / docs / schematics / computers / c128 / manual / 15.gif < prev    next >
Graphics Interchange Format  |  2008-03-11  |  148.8 KB  |  2304x3300
   ocr: READ ONLY MEMORY FOLD OUT SCHEMATIC SHEETS 3 AND 4, PAGES 75 AND 76, FOR EASY REFERENCE. InC64 mode, the operating system resides in 16K of ROM, which includes approximately 8K for Kernal and 8K for Basic. In C128 mode, the operating system resides in 48K of ROM and includes advanced Kernal and Basic features. The Kernal, by definition, is the general operating system of the computer, with fixed entry points into usable subroutines. The entry table for the Kernal is located in memory at addresses $FF40 - $FFF9, exluding of course the MMU registers at $FF00 - $FF04. There is also a CHARACTER RO ...