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APF MP1000 & Imagination Machine
Memory Map

Hex Comments Decimal
$0-$17F Text Mode:
Scratch pad

Graphics Mode:
Display Grid
0-383
$180-$1FF Scratch pad 384-511
$200-$3FF Text Mode:
Text Display

Graphics Mode:
Shape Table
512-1023
$400-$1FFF Echos
0-1023($3FF)
1024-8191
$2000-$2003 PIA #1 8192-8195
$2004-$3FFF Echos
8192-8195
$2000-$2003
8196-16383
$4000-$47FF BIOS
Rocket Patrol
16384-18431
$4800-$4FFF Expanded BIOS
ROMMON 2.5
18432-20479
$5000-$5FFF Designated as
MP1000 BIOS
20480-24575
$6000-$6003 IM PIA 1
Keyboard and
Cassette Control
24576-24579
$6004-$63FF Echos
24576-24579
$6000-$6003
24580-25599
$6400-65FF? External IO
Devices
25600-26111?
$6600-6603 PIA
Disk Control
26112-26115
$6604?-$67FF External IO
Devices
26116?-26623
$6800-$77FF 1st part
Standard BASIC
26624-30719
$7800-$7FFF Expanded
BASIC
Only
30720-32767
$8000-$87FF 2K Cart ROM

4k Cart ROM
Start

Part 2
Standard BASIC
starts
32768-34815
$8800-$8FFF 4K cart ROM
continued

BASIC Cont.
34816-36863
$9000-$9FFF BASIC cont. 36864-40959
$A000-$BFFF 8K IM RAM 40960-49151
$C000-$DFFF 8K IM Exp RAM
16K Total
49152-57343
$E000-$FFFF 8K Alt Exp RAM
24K Total
57344-65535
Legend:
Unknown
Cart Space