Added "Nearest Neighbor" option to disable linear interpolation. Added "Force 4:3 Screen" option to VGB-Windows. Fixed "Hit MIDI Drums" option in VGB-Windows. Computing effective waveform power when simulating samples via MIDI. Fixed 44kHz sound hiccups in VGB-Windows. VGB-Windows will not overwrite last .GB file name with .PAL or .STA names. Keys [1]-[4] will toggle individual sound channels in VGB-Windows. Key [0] will toggle all sound channels in VGB-Windows. Added -4x3 command line option to VGB-Unix. Updated VGB-Windows icon