Added option to protect system vars.

Added option to protect system vars.

Full Changelog: v1.0...v1.1

v1.0

Change SP sooner to avoid overwriting actual game's data with our sta…

0.8

Allocate segments if MSX DOS 1 or harcode them (4, 5, 6, 7) if MSX DOS 1

0.7

Reserve segments instead of hardcoding them

v0.6

Allow overwritting system variables if IM=2

v0.5

Always call print_slot_config. If this is not called, for some unknow…

v0.4

Make Navy Moves work. However, with this change Profanation does not

v0.3

Don't overwritte MSX-DOS variables area

0.2

go.sh --> compile.sh

First version

0.1

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