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System Specification for C65Fred BowenMarch 1, 1991

1.5 System maps

1.5.1 Composite System memory Map

  C64 CATRIDGES C64 C65 RAM-LO RAM-HI
$FFFF GAME
 
CARD
KERNEL
&
EDITOR
KERNEL
&
EDITOR
C65 EVEN
BITPLANES

C65 BASIC
TEXT
$2000-$FEFF

COLOR NYBS
$F800 C65 ODD
BITPLANES

C65 VARS &
STRINGS
$2000-$FEFF

$E000   COLOR NYBS
I/O & CHARS
COLOR NYBS
I/O & CHARS
$D000
 
    KERNEL
$C000
 
 
 
 
APPLICATION
CARD _ HI
BASIC BASIC
GRAPHICS

DOS
(MAPPED)

$A000
 
 
 
 
APPLICATION
CARD _ LOW
  C64 VAR &
STRINGS
TEXT-$BFFF

C64 BASIC
TEXT
$0800-VARS

$8000     MONITOR
(MAPPED)
$6000
 
 
 
 
 
 
 
    BASIC
$2000
$0000
      C65 SYSTEM
TEXT SCREENS
C64 & C65
DOS



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