BabelFish: Add terminal mode ('T') and line pass command ('.')
BabelFish: Add terminal mode ('T') and line pass command ('.')

Terminal mode allows direct typing from PC/laptop keyboard.  It
maps ANSI escape sequences for cursor keys and newline sequences
to Gigatron codes.

Line pass command: useful for feeding losts of text (e.g. BASIC
programs)

kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom