49: fc 82 0f ff 3f fsub 65532\[r0\]\.l, r15
4e: fc 82 f0 ff 3f fsub 65532\[r15\]\.l, r0
53: fc 82 ff ff 3f fsub 65532\[r15\]\.l, r15
+ 58: ff 80 00 fsub r0, r0, r0
+ 5b: ff 8f 00 fsub r0, r0, r15
+ 5e: ff 80 0f fsub r0, r15, r0
+ 61: ff 8f 0f fsub r0, r15, r15
+ 64: ff 80 f0 fsub r15, r0, r0
+ 67: ff 8f f0 fsub r15, r0, r15
+ 6a: ff 80 ff fsub r15, r15, r0
+ 6d: ff 8f ff fsub r15, r15, r15