Effect code script 1D - check timer against effect duration

001a2bc8: 00802821 addu r5,r4,r0
001a2bcc: 84a40006 lh r4,0x0006(r5)
001a2bd0: 8ca20008 lw r2,0x0008(r5)
001a2bd4: 00000000 nop
001a2bd8: 00823021 addu r6,r4,r2
001a2bdc: 90c20001 lbu r2,0x0001(r6)
001a2be0: 00000000 nop
001a2be4: 00021182 srl r2,r2,0x06
001a2be8: 00021040 sll r2,r2,0x01
001a2bec: 00451021 addu r2,r2,r5
001a2bf0: 84430014 lh r3,0x0014(r2)
001a2bf4: 84c20002 lh r2,0x0002(r6)
001a2bf8: 00000000 nop
001a2bfc: 10620004 beq r3,r2,0x001a2c10
001a2c00: 27bdfff8 addiu r29,r29,0xfff8
001a2c04: 94c20004 lhu r2,0x0004(r6)
001a2c08: 08068b06 j 0x001a2c18
001a2c0c: a4a20006 sh r2,0x0006(r5)
001a2c10: 24820006 addiu r2,r4,0x0006
001a2c14: a4a20006 sh r2,0x0006(r5)
001a2c18: 34020001 ori r2,r0,0x0001
001a2c1c: 27bd0008 addiu r29,r29,0x0008
001a2c20: 03e00008 jr r31
001a2c24: 00000000 nop