Usage: twpcx [-mode|-SU:|-CVT:|-I] pcxcimage

Valid Modes:
	CGA1    320x200x4
	CGA2    640x200x2
	EGA1    320x200x16
	EGA2    640x200x16
	EGA3    640x350x2
	EGA4    640x350x16
	VGA1    640x480x2
	VGA2    640x480x16
	VGA3    320x200x256
	HERC    720x348x2
	TS1     Tseng 800x600x16
	TS2     Tseng 640x350x256
	TS3     Tseng 640x480x256
	TS4     Tseng 800x600x256
	PAR1    Paradise 800x600x16
	PAR2    Paradise 800x600x2
	PAR3    Paradise 640x400x256
	PAR4    Paradise 640x480x256
	V71     Video 7  800x600x16
	V72     Video 7  640x400x256
	V73     Video 7  640x480x256
	V74     Video 7  800x600x256
	ATI1    ATI 800x600x16
	ATI2    ATI 640x400x256
	ATI3    ATI 640x480x256
	ATI4    ATI 800x600x256
	TS5     Tseng 1024x768x256
	PAR5    Paradise 800x600x256
	PAR6    Paradise 1024x768x256
	V75     Video 7 1024x768x256
	ATI5    ATI 1024x768x256
	TRI1    Trident 800x600x16
	TRI2    Trident 640x400x256
	TRI3    Trident 640x480x256
	TRI4    Trident 800x600x256
	TRI5    Trident 1024x768x256
	VESA1   VESA 640x400x256
	VESA2   VESA 640x480x256
	VESA3   VESA 800x600x16
	VESA4   VESA 800x600x256
	VESA5   VESA 1024x768x256