ocr: Porp Display the previous background picture Q1q Decrease Vincrease the bottom creen width in texture map mode 1, Increase counterclockwise I clockwise rotation in texture map mode 4 Rir Display previous I next screen roll mode Sors Toggle digital sound effects onforr (on certain soundboards) Tort Display the next cexcure map mode UTu Display the previous / next 3D object Viv Decrease Vincrease the volume ofbackground digital sound effects if on W/w Decreasel Vincrease wave action in mirror modes 1and2 Xix ancelfincrease the x-axis rotation of 3D object or texcure map 4 Yly ancelfincrease the ...