Orig:
   ##################
x0 #[]  []  []      #
x1 #      []        #
x2 #          []    #
x3 #          []    #
x4 #                #
x5 #                #
x6 #                #
x7 #  []      []  []#
   ##################
    y0y1y2y3y4y5y6y7


1. Identical:
Set port_y, ACC_CopyBlock read RAM x0..x7, add sprite address, ACC_CopyBlock write VRAM x0..x7, inc port_y x0..x7
   ##################
x0 #[]  []  []      #
x1 #      []        #
x2 #          []    #
x3 #          []    #
x4 #                #
x5 #                #
x6 #                #
x7 #  []      []  []#
   ##################
    y0y1y2y3y4y5y6y7

2. Mirrored horizontally
Set port_y, ACC_CopyBlock read RAM x7..x0, sub sprite address, ACC_CopyBlock write VRAM x0..x7, inc port_y x0..x7
   OR
Set port_y, ACC_CopyBlock read RAM x0..x7, add sprite address, ACC_CopyBlock write VRAM x0..x7, dec port_y x7..x0
   ##################
x0 #  []      []  []#
x1 #                #
x2 #                #
x3 #                #
x4 #          []    #
x5 #          []    #
x6 #      []        #
x7 #[]  []  []      #
   ##################
    y0y1y2y3y4y5y6y7

3. Rotated 90 degrees clockwise
Set port_y, ACC_CopyBlock read RAM x0..x7, add sprite address, ACC_CopyScreenBlock write VRAM y0..y7, inc VRAM address y0..y7
   OR
Set port_y, ACC_CopyBlock read RAM x7..x0, sub sprite address, ACC_CopyScreenBlock write VRAM y7..y0, dec VRAM address y7..y0
   ##################
x0 #[]              #
x1 #              []#
x2 #[]              #
x3 #  []            #
x4 #[]              #
x5 #    [][]      []#
x6 #                #
x7 #              []#
   ##################
    y0y1y2y3y4y5y6y7

4. Rotated 90 degrees clockwise and mirrored vertically
Set port_y, ACC_CopyBlock read RAM x0..x7, add sprite address, ACC_CopyScreenBlock write VRAM y7..y0, dec VRAM address y7..y0
   OR
Set port_y, ACC_CopyBlock read RAM x7..x0, sub sprite address, ACC_CopyScreenBlock write VRAM y0..y7, inc VRAM address y0..y7
   ##################
x0 #              []#
x1 #[]              #
x2 #              []#
x3 #            []  #
x4 #              []#
x5 #[]      [][]    #
x6 #                #
x7 #[]              #
   ##################
    y0y1y2y3y4y5y6y7