Code block address: BB7E   Length: 12  M:1 X:0 called by: C745
00BB7E    D8            clm                                     ; m:0 x:0, Call target from B46E, Call target from C745
00BB7F    8A            txa     
00BB80    2900FF        and     ax, #0xff00
00BB83    4A            lsr     ax
00BB84    4A            lsr     ax
00BB85    8DCA12        sta     ax, 0x12ca
00BB88    F8            sem                                     ; m:1 x:0
00BB89    60            rts