Commodore Plus 4 - Page 450

438 Appendix G
Memory Location(S)
Hexadecimal
$3F40-$3FFF
$4000-$7FFF
$8000-$FCFF
$8000-$CDFF
$CE00-$CFFF
$D000-$D7FF
$D800-$FBFF
$FC00-$FCFF
$FCF1-$FCF3
$FCF4-$FCF6
$FCF7-$FCF9
$FCFA-$FCFC
$FCFD-$FCFF
$FD00-$FD0F
$FD1O-$FD1F
$FD20-$FDCF
$FDD0-$FDDF
$FDE0-$FEFF
$FF00-$FF3F
$FF40-$FFFF
$FF40-$FFFF
$FF49-$FF4B
$FF4C-$FF4E
$FF4F-$FF51
$FF52-$FF55
SFF80
$FF81-$FF83
$FF84-$FF86
$FF87-$FF89
$FF8A-$FF8C
$FF8D-$FF8F
$FF90-$FF92
$FF93-$FF95
$FF96-$FF98
$FF99-$FF9B
$FF9C-$FF9E
$FF9F-$FFA1
$FFA2-$FFA4
Decimal
16192-16383
16384-32767
32768-64767
32768-52735
52736-53247
53248-55295
55296-64511
64512-64767
64753-64755
64756-64758
64759-64761
64762-64764
64765-64767
64768-64783
64784-64799
64800-64975
64976-64991
64992-65279
65280-65343
65344-65535
65344-65535
65353-65355
65356-65358
65359-65361
65362-65364
65408
65409-65411
65412-65414
65415-65417
65418-65420
65421-65423
65424-65426
65427-65429
65430-65432
65433-65435
65436-65438
65439-65441
65442-65444
Usage
Free (in BASIC graphics mode)
RAM used by BASIC
RAM used by BASIC (under ROM)
BASIC and monitor ROM
Operating system ROM
Character ROM
Operating system ROM
Banking routines ROM (in all ROM
maps)
Jump to interrupt routine for cartridge
Jump to cartridge reenable routine
Jump to long fetch routine
Jump to long jump routine
Jump to long interrupt routine
ACIA chip (used for RS232, in all maps)
Parallel port (6529, in all maps)
Unknown (in all maps)
Cartridge banking port (in all maps)
Direct Memory Access disk (in all maps)
Graphics chip (in all maps)
RAM (under ROM)
Operating system ROM
Jump to function key definition routine
Jump to PRINT routine
Jump to print message routine
Jump to monitor
Version number of operating system
ROM (most significant bit 0=NTSC,
1=PAL)
Jump to CINT
Jump to IOINIT
Jump to RAMTAS
Jump to RESTOR
Jump to VECTOR
Jump to SETMSG
Jump to SECND
Jump to TKSA
Jump to MEMTOP
Jump to MEMBOT
Jump to SCNKEY
Jump to SETTMO