TRS32 version 1.21

TRS32 version 1.21

• Added sound to the Stringy Floppy emulation (suggested by Terry Stewart, who also contributed the sound sample)
• Improved the sound used by the floppy disk emulation
• Fixed a problem with returning Stringy Floppy status (thanks to Terry Stewart)
• Changed the floppy autostart order to favor the Model I (suggested by Ira Goldklang)
• Fixed emulated floppy disk sector not found behavior (thanks to Ira Goldklang)
• Added copy and paste features (suggested by Ira Goldklang)
• Corrected behavior of an emulated Model I without lowercase