View source for Weather/time of day/tile palette modification

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Also used for chicken/crystal/frog/treasure

 00081d54: 27bdffb0 addiu r29,r29,0xffb0
 00081d58: afb60040 sw r22,0x0040(r29)
 00081d5c: 0080b021 addu r22,r4,r0
 00081d60: afb00028 sw r16,0x0028(r29)
 00081d64: afbf004c sw r31,0x004c(r29)
 00081d68: afbe0048 sw r30,0x0048(r29)
 00081d6c: afb70044 sw r23,0x0044(r29)
 00081d70: afb5003c sw r21,0x003c(r29)
 00081d74: afb40038 sw r20,0x0038(r29)
 00081d78: afb30034 sw r19,0x0034(r29)
 00081d7c: afb20030 sw r18,0x0030(r29)
 00081d80: afb1002c sw r17,0x002c(r29)
 00081d84: afa60020 sw r6,0x0020(r29)
 00081d88: 92de0005 lbu r30,0x0005(r22)		load spritesheet VRAM slot
 00081d8c: 92d70007 lbu r23,0x0007(r22)		load palette
 00081d90: 001e1100 sll r2,r30,0x04		VRAM ID * 10
 00081d94: 005e1023 subu r2,r2,r30		VRAM ID * f
 00081d98: 00021100 sll r2,r2,0x04		VRAM ID * f0
 00081d9c: 005e1021 addu r2,r2,r30		VRAM ID * f1
 00081da0: 00021880 sll r3,r2,0x02		VRAM ID * 3c4
 00081da4: 00621823 subu r3,r3,r2		VRAM ID * 2d3
 00081da8: 000310c0 sll r2,r3,0x03		VRAM ID * 1698
 00081dac: 00621821 addu r3,r3,r2		VRAM ID * 196b
 00081db0: 00031840 sll r3,r3,0x01		VRAM ID * 32d6
 00081db4: 3c01800c lui r1,0x800c
 00081db8: 00230821 addu r1,r1,r3
 00081dbc: 90227ce9 lbu r2,0x7ce9(r1)		load spritesheet ID
 00081dc0: 92d50004 lbu r21,0x0004(r22)		load misc ID
 00081dc4: 2442ffa0 addiu r2,r2,0xffa0		sprite - 60
 00081dc8: 2c42003b sltiu r2,r2,0x003b		set if generic sprite
 00081dcc: 10400008 beq r2,r0,0x00081df0			branch if unique or monster sprite
 00081dd0: 00a08021 addu r16,r5,r0			r16 = tile effects flags?

If generic sprite:
 00081dd4: 3c02800d lui r2,0x800d
 00081dd8: 2442adbe addiu r2,r2,0xadbe
 00081ddc: 00621021 addu r2,r3,r2
 00081de0: 00172140 sll r4,r23,0x05				palette shift left 0x05
 00081de4: 24840100 addiu r4,r4,0x0100			r4 = palette shifted + 0x0100
 00081de8: 0802077f j 0x00081dfc
 00081dec: 00442021 addu r4,r2,r4				palette shifted + 0x0100 + address

If unique sprite:
 00081df0: 3c04800d lui r4,0x800d
 00081df4: 2484aebe addiu r4,r4,0xaebe			0x800daebe
 00081df8: 00642021 addu r4,r3,r4			VRAM graphic data slot for unit
 00081dfc: 3405000a ori r5,r0,0x000a
 00081e00: 02a03021 addu r6,r21,r0			Unit's misc. ID
 00081e04: 0c0249b6 jal 0x000926d8				get palette data
 00081e08: 00003821 addu r7,r0,r0
 00081e0c: 00009021 addu r18,r0,r0
 00081e10: 00009821 addu r19,r0,r0
 00081e14: 34020002 ori r2,r0,0x0002
 00081e18: 12020011 beq r16,r2,0x00081e60		branch if tile effects = 2
 00081e1c: 00008821 addu r17,r0,r0
 00081e20: 2a020003 slti r2,r16,0x0003
 00081e24: 10400005 beq r2,r0,0x00081e3c			branch if tile effects > 2
 00081e28: 34020001 ori r2,r0,0x0001
 00081e2c: 12020008 beq r16,r2,0x00081e50		branch if tile effects = 1
 00081e30: 00000000 nop
 00081e34: 0802079f j 0x00081e7c
 00081e38: 00000000 nop
 00081e3c: 34020003 ori r2,r0,0x0003
 00081e40: 1202000b beq r16,r2,0x00081e70		branch if tile effects = 3
 00081e44: 00000000 nop
 00081e48: 0802079f j 0x00081e7c
 00081e4c: 00000000 nop
 tile effects = 1
 00081e50: 2412fffc addiu r18,r0,0xfffc
 00081e54: 2413fffc addiu r19,r0,0xfffc
 00081e58: 0802079f j 0x00081e7c
 00081e5c: 2411fffc addiu r17,r0,0xfffc
 tile effects = 2
 00081e60: 2412fff8 addiu r18,r0,0xfff8
 00081e64: 2413fff8 addiu r19,r0,0xfff8
 00081e68: 0802079f j 0x00081e7c
 00081e6c: 2411fff8 addiu r17,r0,0xfff8
 tile effects = 3
 00081e70: 2412fff4 addiu r18,r0,0xfff4
 00081e74: 2413fff4 addiu r19,r0,0xfff4
 00081e78: 2411fff4 addiu r17,r0,0xfff4
 00081e7c: 3c14800b lui r20,0x800b
 00081e80: 26946698 addiu r20,r20,0x6698
 00081e84: 8e820000 lw r2,0x0000(r20)		load ??
 00081e88: 00000000 nop
 00081e8c: 30420002 andi r2,r2,0x0002
 00081e90: 14400044 bne r2,r0,0x00081fa4		
 00081e94: 00000000 nop
 00081e98: 0c04ed64 jal 0x0013b590			get time of day
 00081e9c: 34040023 ori r4,r0,0x0023
 00081ea0: 34040024 ori r4,r0,0x0024
 00081ea4: 0c04ed64 jal 0x0013b590			get weather effects
 00081ea8: 00408021 addu r16,r2,r0
 00081eac: 1440001d bne r2,r0,0x00081f24		branch if stormy weather?
 00081eb0: 00000000 nop
 Time of day mods?
 00081eb4: 8e820000 lw r2,0x0000(r20)
 00081eb8: 00000000 nop
 00081ebc: 30420001 andi r2,r2,0x0001
 00081ec0: 1040000b beq r2,r0,0x00081ef0		branch if skipping time of day mod?
 00081ec4: 2e020005 sltiu r2,r16,0x0005
 00081ec8: 10400007 beq r2,r0,0x00081ee8		branch if time of day out of bounds?
 00081ecc: 00101080 sll r2,r16,0x02
 00081ed0: 3c018006 lui r1,0x8006
 00081ed4: 00220821 addu r1,r1,r2
 00081ed8: 8c227e00 lw r2,0x7e00(r1)
 00081edc: 00000000 nop
 00081ee0: 00400008 jr r2
 00081ee4: 00000000 nop
 00081ee8: 080207df j 0x00081f7c
 00081eec: 2631fffe addiu r17,r17,0xfffe
 00081ef0: 1040000a beq r2,r0,0x00081f1c		branch if time of day out of bounds?
 00081ef4: 00101080 sll r2,r16,0x02
 00081ef8: 3c018006 lui r1,0x8006
 00081efc: 00220821 addu r1,r1,r2
 00081f00: 8c227e18 lw r2,0x7e18(r1)
 00081f04: 00000000 nop
 00081f08: 00400008 jr r2
 00081f0c: 00000000 nop
 00081f10: 2631ffff addiu r17,r17,0xffff
 00081f14: 080207e9 j 0x00081fa4
 00081f18: 26520001 addiu r18,r18,0x0001
 00081f1c: 080207df j 0x00081f7c
 00081f20: 2631fffe addiu r17,r17,0xfffe
 Stormy Weather?
 00081f24: 8e820000 lw r2,0x0000(r20)
 00081f28: 00000000 nop
 00081f2c: 30420001 andi r2,r2,0x0001
 00081f30: 10400009 beq r2,r0,0x00081f58			branch if skipping?
 00081f34: 2e020005 sltiu r2,r16,0x0005
 00081f38: 10400017 beq r2,r0,0x00081f98
 00081f3c: 00101080 sll r2,r16,0x02
 00081f40: 3c018006 lui r1,0x8006
 00081f44: 00220821 addu r1,r1,r2
 00081f48: 8c227e30 lw r2,0x7e30(r1)
 00081f4c: 00000000 nop
 00081f50: 00400008 jr r2
 00081f54: 00000000 nop
 00081f58: 1040000f beq r2,r0,0x00081f98
 00081f5c: 00101080 sll r2,r16,0x02
 00081f60: 3c018006 lui r1,0x8006
 00081f64: 00220821 addu r1,r1,r2
 00081f68: 8c227e48 lw r2,0x7e48(r1)
 00081f6c: 00000000 nop
 00081f70: 00400008 jr r2
 00081f74: 00000000 nop
 00081f78: 2631fffd addiu r17,r17,0xfffd
 00081f7c: 2673ffff addiu r19,r19,0xffff
 00081f80: 080207e9 j 0x00081fa4
 00081f84: 26520002 addiu r18,r18,0x0002
 00081f88: 2631fffc addiu r17,r17,0xfffc
 00081f8c: 2673ffff addiu r19,r19,0xffff
 00081f90: 080207e9 j 0x00081fa4
 00081f94: 26520003 addiu r18,r18,0x0003
 00081f98: 2631fffc addiu r17,r17,0xfffc
 00081f9c: 2673fffe addiu r19,r19,0xfffe
 00081fa0: 26520004 addiu r18,r18,0x0004
 00081fa4: 0c01f4fd jal 0x0007d3f4
 00081fa8: 02c02021 addu r4,r22,r0
 00081fac: 3c03800b lui r3,0x800b
 00081fb0: 8c636698 lw r3,0x6698(r3)
 00081fb4: 00000000 nop
 00081fb8: 30630002 andi r3,r3,0x0002
 00081fbc: 1460000a bne r3,r0,0x00081fe8		
 00081fc0: 00021400 sll r2,r2,0x10
 00081fc4: 00021403 sra r2,r2,0x10
 00081fc8: 86c30042 lh r3,0x0042(r22)
 00081fcc: 2442ffd0 addiu r2,r2,0xffd0		some height mod?
 00081fd0: 0062182a slt r3,r3,r2
 00081fd4: 10600004 beq r3,r0,0x00081fe8
 00081fd8: 00000000 nop
 00081fdc: 00009021 addu r18,r0,r0			clear modifications
 00081fe0: 00009821 addu r19,r0,r0
 00081fe4: 00008821 addu r17,r0,r0
 00081fe8: 92c40006 lbu r4,0x0006(r22)		load spritesheet ID?
 00081fec: 3402009c ori r2,r0,0x009c
 00081ff0: 10820012 beq r4,r2,0x0008203c		branch if Chicken!
 00081ff4: 2882009d slti r2,r4,0x009d
 00081ff8: 10400005 beq r2,r0,0x00082010		branch if frog or treasure!
 00081ffc: 3402009b ori r2,r0,0x009b
 00082000: 1082000a beq r4,r2,0x0008202c		branch if Crystal!
 00082004: 001e1100 sll r2,r30,0x04
 00082008: 0802081b j 0x0008206c			uh error i guess?
 0008200c: 00000000 nop

spritesheet = frog or treasure
 00082010: 3402009d ori r2,r0,0x009d
 00082014: 1082000d beq r4,r2,0x0008204c		Branch if frog!
 00082018: 3402009e ori r2,r0,0x009e
 0008201c: 1082000f beq r4,r2,0x0008205c		branch if treasure!
 00082020: 001e1100 sll r2,r30,0x04
 00082024: 0802081b j 0x0008206c			?
 00082028: 00000000 nop

spritesheet = crystal
 0008202c: 3c04800c lui r4,0x800c
 00082030: 2484f8d0 addiu r4,r4,0xf8d0			crystal palette data starts at 0x800cf8d0
 00082034: 08020827 j 0x0008209c
 00082038: 00171140 sll r2,r23,0x05			r23 = palette shifted to get palette address index

spritesheet = chicken
 0008203c: 3c04800c lui r4,0x800c
 00082040: 2484f790 addiu r4,r4,0xf790			chicken palette data starts at 0x800cf790
 00082044: 08020827 j 0x0008209c
 00082048: 00171140 sll r2,r23,0x05

spritesheet = frog
 0008204c: 3c04800c lui r4,0x800c
 00082050: 2484f830 addiu r4,r4,0xf830			frog palette data starts at 0x800cf830
 00082054: 08020827 j 0x0008209c
 00082058: 00171140 sll r2,r23,0x05

spritesheet = treasure
 0008205c: 3c04800c lui r4,0x800c
 00082060: 2484f990 addiu r4,r4,0xf990			treasure palette data starts at 0x800cf990
 00082064: 08020827 j 0x0008209c
 00082068: 00171140 sll r2,r23,0x05

spritesheet not any of the above. resolve with unit's sprite palette?
 0008206c: 005e1023 subu r2,r2,r30
 00082070: 00021100 sll r2,r2,0x04
 00082074: 005e1021 addu r2,r2,r30
 00082078: 00022080 sll r4,r2,0x02
 0008207c: 00822023 subu r4,r4,r2
 00082080: 000410c0 sll r2,r4,0x03
 00082084: 00822021 addu r4,r4,r2
 00082088: 00042040 sll r4,r4,0x01
 0008208c: 3c02800d lui r2,0x800d
 00082090: 2442adbe addiu r2,r2,0xadbe
 00082094: 00822021 addu r4,r4,r2
 00082098: 00171140 sll r2,r23,0x05

Branch here if chicken/frog/crystal/treasure
 0008209c: 00822021 addu r4,r4,r2			r4 = palette address to copy
 000820a0: 34050003 ori r5,r0,0x0003
 000820a4: 02a03021 addu r6,r21,r0			r6 = misc ID
 000820a8: 00003821 addu r7,r0,r0
 000820ac: 00111400 sll r2,r17,0x10			
 000820b0: 00021403 sra r2,r2,0x10		
 000820b4: afa20010 sw r2,0x0010(r29)		store palette mod 1
 000820b8: 00131400 sll r2,r19,0x10
 000820bc: 00021403 sra r2,r2,0x10
 000820c0: afa20014 sw r2,0x0014(r29)		store palette mod 2
 000820c4: 00121400 sll r2,r18,0x10
 000820c8: 8fa80020 lw r8,0x0020(r29)		load r6 input
 000820cc: 00021403 sra r2,r2,0x10
 000820d0: afa20018 sw r2,0x0018(r29)		store palette mod 3
 000820d4: 0c024b53 jal 0x00092d4c			[[00092d4c - 00092dbc]] - edit unit's palette
 000820d8: afa8001c sw r8,0x001c(r29)		store r6 input
 000820dc: 8fbf004c lw r31,0x004c(r29)
 000820e0: 8fbe0048 lw r30,0x0048(r29)
 000820e4: 8fb70044 lw r23,0x0044(r29)
 000820e8: 8fb60040 lw r22,0x0040(r29)
 000820ec: 8fb5003c lw r21,0x003c(r29)
 000820f0: 8fb40038 lw r20,0x0038(r29)
 000820f4: 8fb30034 lw r19,0x0034(r29)
 000820f8: 8fb20030 lw r18,0x0030(r29)
 000820fc: 8fb1002c lw r17,0x002c(r29)
 00082100: 8fb00028 lw r16,0x0028(r29)
 00082104: 27bd0050 addiu r29,r29,0x0050
 00082108: 03e00008 jr r31
 0008210c: 00000000 nop
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