CTRPF RPG Maker Fes Code

Here's the code:
(05CF539 is the address of the slot1 character's level)

D3000000 00000000
305CF539 00000001 (if level < 0)
205CF539 00000063 (set level to 99)
D0000000 00000000 (end if)
405CF539 00000063 (if level > 99)
205CF539 00000001 (set level to 1)
D0000000 00000000 (end if)
DD000000 00000220 (if L+D-PAD Left pressed)
DA000000 005CF539 (store the level in storage)
D4000000 FFFFFFFF (decrease the stored value by 1)
D7000000 005CF539 (restore store value to level)
D0000000 00000000 (end if)
DD000000 00000210 (if L+D-PAD Right pressed)
DA000000 005CF539 (store the level in storage)
D4000000 00000001 (increase the stored value by 1)
D7000000 005CF539 (restore stored value to level)
D0000000 00000000 (end if)
D2000000 00000000