The planned memory layout is:
$0000000 - $00003FF - ZP, stack etc as usual $0000400 - $00007FF - Normal C64 screen $0000400 - $00006FD - Cursor sprite $0000700 - $00007FF - Font name for pack loading $0000800 - $000CFFF - Code (normal C64-mode loading program) (50KB) $000D000 - $000DFFF - C64 charset / IO as normal. Not currently using the 4K RAM beneath. $000E000 - $000FFFF - C64 KERNAL ROM $0010000 - $0011FFF - C65 DOS RESERVED $0012000 - $0014FFF - Slide #0 screen RAM (100x60x 2 bytes per tile) $0015000 - $0017FFF - Slide #1 (next) screen RAM $0018000 - $001AFFF - Slide #2 (previous) screen RAM $001B000 - $001DFFF - Slide #2 (previous) colour RAM $001E000 - $001F76F - Text render buffer for screen memory (100 x 30 tiles x 2 bytes per tile) $001F770 - $001FFFF - Single line scratch $0020000 - $0023FFF - C65 DOS ROM $0024000 - $0027FFF - Slide data (16KB) [editor text buffer] $0028000 - $002FFFF - C64 and C65 ROMs $0030000 - $003BFFF - C65 ROMs $003C000 - $003DFFF - More slide data (8KB) [editor single line text buffer] $003E000 - $003FFFF - C65 ROMs $0040000 - $005FFFF - Fonts and graphics (as fonts) etc $FF80000 - $FF807FF - C64/C65 colour RAM $FF80800 - $FF837FF - Slide #0 colour RAM $FF83800 - $FF867FF - Slide #1 (next) colour RAM $FF86800 - $FF87FFF - Text render rbuffer for colour memory (100 x 30 tiles x 2 bytes per tile)