Apple IIe Device I/O



Location Name Notes
$C700-$C7FF Slot 7 ROM
$C600-$C6FF Slot 6 ROM
$C500-$C5FF Slot 5 ROM
$C400-$C4FF Slot 4 ROM
$C300-$C3FF Slot 3 ROM
$C200-$C2FF Slot 2 ROM
$C100-$C1FF Slot 1 ROM
$C0F0-$C0FF Slot 7 I/O Memory Locations
$C0E0-$C0EF Slot 6 I/O Memory Locations
$C0D0-$C0DF Slot 5 I/O Memory Locations
$C0C0-$C0CF Slot 4 I/O Memory Locations
$C0B0-$C0BF Slot 3 I/O Memory Locations
$C0A0-$C0AF Slot 2 I/O Memory Locations
$C090-$C09F Slot 1 I/O Memory Locations
$C070 Analog Input Reset Read.
$C067 Analog Input 3 Read.
$C066 Analog Input 2 Read.
$C065 Analog Input 1 Read.
$C064 Analog Input 0 Read.
$C063 Switch Input 2 Read.
$C062 Switch Input 1 or Solid-Apple Key Read.
$C061 Switch Input 0 or Open-Apple Key Read.
$C060 Cassette In Read.
$C05F Annunciator Pin 12 On.
$C05E Annunciator Pin 12 Off.
$C05D Annunciator Pin 13 On.
$C05C Annunciator Pin 13 Off.
$C05B Annunciator Pin 14 On.
$C05A Annunciator Pin 14 Off.
$C059 Annunciator Pin 15 On.
$C058 Annunciator Pin 15 Off.
$C057 HiRes Hi-res mode on.
$C056 HiRes Hi-res mode off.
$C055 Page2 Display page two.
$C054 Page2 Display page one.
$C053 Mixed Mixed text/graphics mode on. Applicable only in graphics mode.
$C052 Mixed Mixed text/graphics mode off. Applicable only in graphics mode.
$C051 Text Text mode on, graghics on.
$C050 Text Text mode off, graghics on.
$C040 Strobe Output Read.
$C030 Speaker Toggle speaker (read).
$C020 Cassette Out
$C01F 80Col Read 80 column switch.
$C01E AltCharSet Read AltCharSet switch.
$C01D HiRes Read HiRes switch.
$C01C Page2 Read page display switch.
$C01B Mixed Read mixed text/graphics switch.
$C01A Text Read text/graphics switch.
$C019 VBL Read vertical blanking.
$C018 80Store Read 80Store Switch.
$C010 Keyboard Any key down flag and clear strobe switch.
$C00F AltCharSet Alternate character set off (Write).
$C00E AltCharSet Alternate character set on (Write).
$C00D 80Col 80-column display on.
$C00C 80Col 80-column display off.
$C001 80STORE Store in auxilliary memory.
$C000 80STORE Store in main memory.
$C000 Keyboard Keyboard data and strobe.

Retun to memory map.

Source: Apple IIe Reference Manual