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EFSC

Capability

64K ROM
128 bytes RAM

Details

There is 64K of ROM divided into 16 banks of 4K. Access is through 16 hotspots.
There are 128 bytes of RAM.

ROM Hotspots

$1FE0 - $1FEF = Switch to associated 4K bank

RAM Hotspots

$1000 - $107F = Write byte to RAM (128 total)
$1080 - $10FF = Read byte from RAM
Note that the write addresses are lower in memory than the read addresses.

Signature

"EFSC" ($45, $46, $53, $43)

see Bank Switching
see Homestar Runner RPG by Paul Slocum