Palette mod by status
Revision as of 09:07, 3 July 2023 by RetroTypes (talk | contribs)
#Parameters
#r4 = Misc Unit Data Pointer
#r6 = ?
#Returns
#r5 = Shade Type (Talcall notes)
4 = additive (brighter)
5 = neutral shading?
6 = monochrome
#*NOTE* : reference misc unit data for status tables, not normal unit data
000822bc: 27bdffd0 addiu r29,r29,0xffd0
000822c0: afbf0028 sw r31,0x0028(r29)
000822c4: 9082013e lbu r2,0x013e(r4) #load modified palette byte
000822c8: 00000000 nop
000822cc: 14400062 bne r2,r0,0x00082458 #branch to End if not zero
000822d0: 00c04021 addu r8,r6,r0
000822d4: 3c0260c2 lui r2,0x60c2
000822d8: 34426020 ori r2,r2,0x6020 #statuses 20 60 c2 60 (Petrify, Berserk, Cursed, Oil, Poison, Blood Suck, Undead, and Regen)
000822dc: 8c830140 lw r3,0x0140(r4) #load status flags
000822e0: 90870004 lbu r7,0x0004(r4) #load misc ID
000822e4: 00621024 and r2,r3,r2 #check for palette changing status
000822e8: 10400059 beq r2,r0,0x00082450 #branch to Non-status Palette Modification if no palette-editing status present
000822ec: 30620020 andi r2,r3,0x0020
Petrify:
000822f0: 10400007 beq r2,r0,0x00082310 #branch if not petrify 000822f4: 34060003 ori r6,r0,0x0003 000822f8: 34050006 ori r5,r0,0x0006 #shade type 6 000822fc: afa00010 sw r0,0x0010(r29) #store ? = 0 (this is zeroed out for every status here) 00082300: afa00014 sw r0,0x0014(r29) #store red = 0 00082304: afa00018 sw r0,0x0018(r29) #store green = 0 00082308: 08020910 j 0x00082440 #Status Palette Modification 0008230c: afa0001c sw r0,0x001c(r29) #store blue = 0
Blood suck:
00082310: 3c020002 lui r2,0x0002 00082314: 00621024 and r2,r3,r2 00082318: 10400008 beq r2,r0,0x0008233c #branch if not blood suck 0008231c: 34020003 ori r2,r0,0x0003 00082320: 34050006 ori r5,r0,0x0006 #shade type 6 00082324: afa20014 sw r2,0x0014(r29) #store red = 3 00082328: 2402ffff addiu r2,r0,0xffff 0008232c: afa20018 sw r2,0x0018(r29) #store green = -1 00082330: 34020008 ori r2,r0,0x0008 #prep blue value as 8 00082334: 0802090f j 0x0008243c #(Save blue = r2) 00082338: afa00010 sw r0,0x0010(r29) #store ? = 0
Berserk:
0008233c: 30624000 andi r2,r3,0x4000 00082340: 10400008 beq r2,r0,0x00082364 #branch if not berserk 00082344: 34060003 ori r6,r0,0x0003 00082348: 34050004 ori r5,r0,0x0004 #shade type 4 0008234c: 34020008 ori r2,r0,0x0008 00082350: afa00010 sw r0,0x0010(r29) #store ? = 0 00082354: afa20014 sw r2,0x0014(r29) #store red = 8 00082358: afa00018 sw r0,0x0018(r29) #store green = 0 0008235c: 08020910 j 0x00082440 #Status Palette Modification 00082360: afa0001c sw r0,0x001c(r29) #store blue = 0
Poison:
00082364: 3c020040 lui r2,0x0040 00082368: 00621024 and r2,r3,r2 0008236c: 10400007 beq r2,r0,0x0008238c #branch if not poison 00082370: 34020008 ori r2,r0,0x0008 00082374: 34050005 ori r5,r0,0x0005 #shade type 5 00082378: afa00010 sw r0,0x0010(r29) #store ? = 0 0008237c: afa00014 sw r0,0x0014(r29) #store red = 0 00082380: afa20018 sw r2,0x0018(r29) #store green = 8 00082384: 08020910 j 0x00082440 #Status Palette Modification 00082388: afa0001c sw r0,0x001c(r29) #store blue = 0
Regen:
0008238c: 3c022000 lui r2,0x2000 00082390: 00621024 and r2,r3,r2 00082394: 10400006 beq r2,r0,0x000823b0 #branch if not regen 00082398: 34060003 ori r6,r0,0x0003 0008239c: 34050004 ori r5,r0,0x0004 #shade type 4 000823a0: 34020008 ori r2,r0,0x0008 #prep blue value as 8 000823a4: afa00010 sw r0,0x0010(r29) #store ? = 0 000823a8: 0802090e j 0x00082438 #(Save green = 0 and blue = r2) 000823ac: afa00014 sw r0,0x0014(r29) #store red = 0
Oil:
000823b0: 3c020080 lui r2,0x0080 000823b4: 00621024 and r2,r3,r2 000823b8: 10400006 beq r2,r0,0x000823d4 #branch if not oil 000823bc: 2402fffc addiu r2,r0,0xfffc #(also preps blue value as -4) 000823c0: 34050005 ori r5,r0,0x0005 #shade type 5 000823c4: afa00010 sw r0,0x0010(r29) #store ? = 0 000823c8: afa20014 sw r2,0x0014(r29) #store red = -4 000823cc: 0802090f j 0x0008243c #(Save blue = r2) 000823d0: afa20018 sw r2,0x0018(r29) #store green = -4
Cursed:
000823d4: 30622000 andi r2,r3,0x2000 000823d8: 10400007 beq r2,r0,0x000823f8 #branch if not cursed 000823dc: 34060003 ori r6,r0,0x0003 000823e0: 34050005 ori r5,r0,0x0005 #shade type 5 000823e4: 2402fff8 addiu r2,r0,0xfff8 #(also preps blue value as -8) 000823e8: afa00010 sw r0,0x0010(r29) #store ? = 0 000823ec: afa20014 sw r2,0x0014(r29) #store red = -8 000823f0: 0802090f j 0x0008243c #(Save blue = r2) 000823f4: afa20018 sw r2,0x0018(r29) #store green = -8
Undead:
000823f8: 3c024000 lui r2,0x4000 000823fc: 00621024 and r2,r3,r2 00082400: 10400013 beq r2,r0,0x00082450 #branch if not undead (end? Lol) 00082404: 00000000 nop 00082408: 90820006 lbu r2,0x0006(r4) #load spritesheet ID 0008240c: 00000000 nop 00082410: 24420075 addiu r2,r2,0x0075 #spritesheet ID + 0x75 00082414: 304200ff andi r2,r2,0x00ff 00082418: 2c420002 sltiu r2,r2,0x0002 #Skeleton/Ghost sprite check 0008241c: 1440000c bne r2,r0,0x00082450 #branch to Non-status Palette Modification if Skeleton/Ghost sprite 00082420: 34060003 ori r6,r0,0x0003 00082424: 34050005 ori r5,r0,0x0005 #shade type 5 00082428: 34020004 ori r2,r0,0x0004 0008242c: afa20014 sw r2,0x0014(r29) #store red = 4 00082430: 34020005 ori r2,r0,0x0005 #prep blue value as 5 00082434: afa00010 sw r0,0x0010(r29) #store ? = 0
Save Green:
00082438: afa00018 sw r0,0x0018(r29) #store green = 0
Save Blue:
0008243c: afa2001c sw r2,0x001c(r29) #store blue = r2 (value varies depending on jumps)
Status Palette Modification:
00082440: 0c020844 jal 0x00082110 #Special spritesheet ID palette mods? 00082444: afa80020 sw r8,0x0020(r29) 00082448: 08020916 j 0x00082458 #jump to End 0008244c: 00000000 nop
Non-status Palette Modification:
00082450: 0c020755 jal 0x00081d54 #Weather/time of day/tile palette modification 00082454: 01003021 addu r6,r8,r0
End:
00082458: 8fbf0028 lw r31,0x0028(r29) 0008245c: 27bd0030 addiu r29,r29,0x0030 00082460: 03e00008 jr r31 00082464: 00000000 nop
