Why doesn't this work?

[wiiztec]

283ED84E 00000004
2200182C 00004567
66100003 00000000
04001830 FFFFFFFF
0400182C 00004567
66200002 00000000
04001830 11111111
0400182C 12340000
E0000000 80008000

it should alternate writing FFFFFFFF & 11111111 to 80001830 every time dpad down is pressed, instead it only ever writes FFFFFFFF. Does 661 not do what it says? it's supposed to jump code lines if code execution is false