Effect code script 04

001a22f8: 27bdffe8 addiu r29,r29,0xffe8
001a22fc: afb00010 sw r16,0x0010(r29)
001a2300: 00808021 addu r16,r4,r0			#effect temp data
001a2304: afbf0014 sw r31,0x0014(r29)
001a2308: 86020006 lh r2,0x0006(r16)
001a230c: 8e030008 lw r3,0x0008(r16)
001a2310: 00000000 nop
001a2314: 00431021 addu r2,r2,r3
001a2318: 90420001 lbu r2,0x0001(r2)			#arg1
001a231c: 00000000 nop
001a2320: 000210c2 srl r2,r2,0x03
001a2324: 30420006 andi r2,r2,0x0006			#separate out 0x03 * 2
001a2328: 00501021 addu r2,r2,r16			#
001a232c: 8444000c lh r4,0x000c(r2)			#load 0xc + arg1 * 2 (next effect phase?)
001a2330: 00000000 nop
001a2334: 10800003 beq r4,r0,0x001a2344		#branch if 0
001a2338: 00000000 nop
001a233c: 0c068767 jal 0x001a1d9c			#Clear some data in temp effect data (increment to desired phase?)
001a2340: 00000000 nop
001a2344: 96020006 lhu r2,0x0006(r16)
001a2348: 00000000 nop
001a234c: 24420002 addiu r2,r2,0x0002
001a2350: a6020006 sh r2,0x0006(r16)			#store counter + 2
001a2354: 34020001 ori r2,r0,0x0001			#return execute next instruction immediately
001a2358: 8fbf0014 lw r31,0x0014(r29)
001a235c: 8fb00010 lw r16,0x0010(r29)
001a2360: 27bd0018 addiu r29,r29,0x0018
001a2364: 03e00008 jr r31
001a2368: 00000000 nop