Code block address: BF87   Length: 12  M:1 X:0 called by: C98B
00BF87    D8            clm                                     ; m:0 x:0, Call target from B83A, Call target from C98B
00BF88    8A            txa     
00BF89    2900FF        and     ax, #0xff00
00BF8C    4A            lsr     ax
00BF8D    4A            lsr     ax
00BF8E    8DCA12        sta     ax, 0x12ca
00BF91    F8            sem                                     ; m:1 x:0
00BF92    60            rts