S1 and later add support for new dev block

[diamante0018]

On S1 scripts you have /$ $/ dev blocks which are enabled only when developer_script is set to 2

S1 added this new value for dev scripts and new dev block.

adding support for the additional syntax with the dollar sign would be cool

[diamante0018]

games todo/confirmed s1, s2, h1 and h2