Each
PET
has
32K of RAM address space, allocated between active RAM
and Expansion RAM.
as
follows:
Active RAM
4K (0-4095)
8K (0-8191)
16K (0-1638)
Expansion RAM
28K (4096-32767)
24K (8191-32767)
Addresses
32768-36863:
4K Video RAM
The first thousand locations of this block, from addresses 32768 through
33767.
are
allocated to screen memory. A
POKE
to any of these locations displays
the character in the appropriate screen position.
32768
33792
34816
35840
36863
TV
RAM
Images of
TV
RAM
Images of
TV
RAM
Images of
TV
RAM
1K
Addresses
36864-49151:
Expansion ROM
12K
Memory addresses 36864 through 49151 are allocated for optional expan-
sion of
ROM
to 26K.
36864
40960
45056
49151
Expansion
ROM
Expansion
ROM
Expansion
ROM
4K
307
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