285 lines
6.3 KiB
ArmAsm
285 lines
6.3 KiB
ArmAsm
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.set rC, 3 # SHOULD NOT BE USE UNTIL checkAreaLock ENDS
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.set r817F, 4
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.set rBtn, 5
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.set rC4, 5
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.set rIdx, 6
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.set rAns, 7
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.set rAnsEp, 8
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.set rD, 9 # BL trick
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.set rApp, 31
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.set rFM, 11 # FlagManager
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.set rTmp, 10
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.set crAreaLock, 7
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.L.prepare:
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## prepare registers
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lis r817F, 0x817F
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lwz rFM, TFlagManager_smInstance$r13(r13)
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## read button input: [M]*1 [C]*1 [btn]*2
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lis r12, JUTGamePad_mPadButton@ha
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lwz rBtn, JUTGamePad_mPadButton@l(r12)
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/** NOTE: DO NOT CHANGE r12 UNTIL checkAreaLock ENDS */
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.L.checkAreaLock:
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## r0 = 0x22 - btn
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subfic r0, rBtn, 0x22
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### (lower 16 bit of r0 & ~1) == 0 => use r0&1 as AreaLock enable state
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rlwinm. rTmp, r0, 0, 0x10, 0x1E
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beq .L.checkAreaLock.1
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### else, load r0 = current state from RAM
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lbz r0, $LevelSelect.AreaLock@l(r817F)
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.L.checkAreaLock.1:
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## !cr0.eq: AreaLock enabled
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rlwinm. r0, r0, 0, 0x1
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## write current enable state to RAM
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stb r0, $LevelSelect.AreaLock@l(r817F)
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## activate AreaLock only if director finished (r29 > 1)
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cmplwi cr1, r3, 1
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crandc eq, 4*cr1+gt, eq
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bne+ .L.checkAreaLock.done
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## set button input to (handleRestartN) if AreaLock enabled
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li rBtn, 0x208
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stw rBtn, JUTGamePad_mPadButton@l(r12)
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.L.checkAreaLock.done:
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## orig
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mr. r29, r3
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## return now if still setting up
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beq .L.done
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## Level Select
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bl .L.LevelSelect
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.D:
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.D.Special:
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# 8 bit/entry: [1bit] epFlag==7 | [7bit] area
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.long 0x00141516
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.long 0x0017181D
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.long 0x34000090 # Red coin fish@NB8: 0x80|0x10
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.D.Secrets:
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# 8 bit/entry: [1bit] ep==1 | [7bit] area
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.long 0x2F2E3020
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.long 0x32293328
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.long 0x2A1FBA3C
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.D.Sublevels:
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# 8 bit/entry
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.long 0x371E213A
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.long 0x0E2C3900
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.D.Plaza:
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.long 0x00010507
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.long 0x08090200
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.D.Extra:
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.D.PinnaPark:
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## ep: 0,1,2,3,4,5,7 | area=D
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## epFlag: 0,2,4,5,6,7,0
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.long 0x123457D0
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.long 0x24567000
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.D.SirenaHotel:
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## ep: 0,1,2,2,3,4 | area=7
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## episo: 1,2,3,4,6,7
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.long 0x12234070
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.long 0x23467001
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.L.LevelSelect:
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mflr rD
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.L.checkDisabled:
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## check input
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### goto done if r0!=0x208
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andi. r0, rBtn, 0x208
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cmplwi r0, 0x208
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bne+ .L.done
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.L.main:
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## calc index
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## btn: S YXZA -LRZ ----
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## XZRL=8,4,2,1
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rlwinm rIdx, rBtn, 32-7, 0x8 # X=8
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rlwimi rIdx, rBtn, 32-2, 0x4 # Z=4
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rlwimi rIdx, rBtn, 32-4, 0x2 # R=2
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rlwimi rIdx, rBtn, 32-6, 0x1 # L=1
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## YSY=8,4,2
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rlwinm r0, rBtn, 32- 8, 0x8 # Y=+8
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rlwimi r0, rBtn, 32-10, 0x6 # S,Y=4,+2
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## merge XZRL and YSY-
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or rIdx, rIdx, r0
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# TODO? handle rIdx>=12
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## check C==0(Special) or 9(Secrets)
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rlwinm. rC, rBtn, 32-16, 0xF
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beq handleSpecial
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cmpwi rC, 9
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beq handleSecrets
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## calc C index
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### [(*), 6, 2, (*); 4, 5, 3, (*); 0, (*), 1]
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### 110 0/10 00/0 100/ 101 0|11 00/0 000/ 000 0/01 00
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.set CIdxMagic, 06204530001<<(32-3*10)
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### CIdx = magic <<(3*C) &7
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lis r0, CIdxMagic@h
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ori r0, r0, CIdxMagic@l
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mulli rC, rC, 3
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rlwnm rC, r0, rC, 0x7
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## prepare CIdx<<2 (destroy rBtn)
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slwi rC4, rC, 2
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## Y+Z(14) -> SirenaHotel
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## X+Z(12) -> PinnaPark
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cmpwi rIdx, 12
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bge handleExtra
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## Y(10) -> Plaza
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cmpwi rIdx, 10
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bge handlePlaza
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## X(8) -> Sublevels
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cmpwi rIdx, 8
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bge handleSublevels
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## stage
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### area: [2, 3, 4, 5, 6, 8, 9, (*)]
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### magic = 0x34568902 rotl sizeof(0xFF)
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### ans = idx | (magic<<(Cidx<<2)) &0x0F00
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### ep = idx
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lis r0, 0x5689
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ori r0, r0, 0x0234
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slwi r12, rC, 2
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rlwnm r12, r0, r12, 0x0F00
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or rAns, rIdx, r12
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rlwinm rAnsEp, rIdx, 0, 0x7
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b .L.loadStage
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handleSpecial:
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lhz rAns, 0xE(rApp) # backup for handleRestartN
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## neutral
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cmpwi rIdx, 0
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beq handleRestartN
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## Z restart
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cmpwi rIdx, 4
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beq handleRestartZ
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## Y restart
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cmpwi rIdx, 10
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beq handleRestartY
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## Special
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# rD = .D.Special
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lbzx r0, rD, rIdx # offset = idx
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rlwinm rAns, r0, 8, 0x3F00
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rlwinm rAnsEp, r0, 32-7, 0x1
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mulli rAnsEp, rAnsEp, 7
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b .L.loadStage
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handleRestartN:
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## set prevMap = curMap
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lhz r0, 0xA(rApp)
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sth r0, 0xE(rApp)
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handleRestartZ:
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## load curMap, ep
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lbz rAnsEp, 0xDF(rFM)
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b .L.loadStageWithoutBackup
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handleRestartY: # load 817F0000
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lhz rAns, $LevelSelect.area@l(r817F)
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lbz rAnsEp, $LevelSelect.epFlag@l(r817F)
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b .L.loadStage
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handleSecrets:
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la r12, .D.Secrets-.D(rD)
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lbzx r0, r12, rIdx
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rlwinm rAns, r0, 8, 0x3F00
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rlwimi rAns, r0, 32-7, 0x0001
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# ep: 2,5,3,0,1,5,1,3,4,5,0,*
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.set SecretEpMagic, 05301513450<<2 | 02
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lis r0, SecretEpMagic@h
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ori r0, r0, SecretEpMagic@l
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mulli r12, rIdx, 3
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rlwnm rAnsEp, r0, r12, 0x7
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b .L.loadStage
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handleSublevels:
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la r12, .D.Sublevels-.D(rD)
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lbzx r0, r12, rC # Cidx as index
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rlwinm rAns, r0, 8, 0x3F00
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# ep: 1,1,3,7,3,2,3
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.set SublevelEpMagic, 0x13732301
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lis r0, SublevelEpMagic@h
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ori r0, r0, SublevelEpMagic@l
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rlwnm rAnsEp, r0, rC4, 0x7
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b .L.loadStage
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handleExtra:
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la r12, .D.Extra-.D-12*4(rD)
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rlwinm r0, rIdx, 2, 0x38 # offset: {12,14}<<2
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lwzux r0, r12, r0
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rlwnm rAns, r0, rC4, 0x7 # ep
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rlwimi rAns, r0, 4, 0x0F00 # a0 => aEE
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lwz r0, 4(r12)
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rlwnm rAnsEp, r0, rC4, 0x7
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b .L.loadStage
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handlePlaza:
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## [0, 1, 5, 7; 8, 9, 2, (*)]
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## 15789200
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## ans == 0x0100 | (magic << (arr:=CIdx<<2) &0xF)
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.set PlazaEpMagic, 0x15789200
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lis r0, PlazaEpMagic@h
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ori r0, r0, PlazaEpMagic@l
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rlwnm rAns, r0, rC4, 0xF
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ori rAns, rAns, 0x0100
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li rAnsEp, 0
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.L.loadStage:
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### backup to 817F0000 (for Y)
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sth rAns, $LevelSelect.area@l(r817F)
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stb rAnsEp, $LevelSelect.epFlag@l(r817F)
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/* rAns, rAnsEp, rFM, rApp, r817F */
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.L.loadStageWithoutBackup:
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## reset QFT
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li r0, 1
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stb r0, 0xB3(r817F)
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## FlagManager
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### epFlag(40003)
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stb rAnsEp, 0xDF(rFM)
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### reset coin counter(40002)
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li r0, 0
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stw r0, 0xD8(rFM)
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##### set SGT Stop Stopwatch Flag = 0
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# stw r0, 0x10C(r817F)
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### set flag
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lhz r0, 0xCC(rFM)
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#### Got a Shine in previous stage (30006)
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ori r0, r0, 0x4000
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#### clear watched Pinna kidnap FMV flag (prevent spawn in PP unlocked position)
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rlwinm r0, r0, 0, 0x14, 0x12
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sth r0, 0xCC(rFM)
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## rApp = gpApplication
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### write nextArea
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sth rAns, 0x12(rApp)
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.set rMGP, 12
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# SirenaHotel(0x07) or Casino(0x0E) ? 59 : 0
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rlwinm r0, rAns, 32-8, 0xFF # area
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lwz rMGP, 0x20(rApp) # TMarioGamePad*
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cmpwi r0, 0x07 # SirenaHotel
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cmpwi cr1, r0, 0x0E # Casino
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cror eq, eq, 4*cr1+eq
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li r0, 59
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beq- .L.handleStickCD
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li r0, 0
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.L.handleStickCD:
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sth r0, 0xe4(rMGP)
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.L.handleStickFlag:
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## clear 0x2 bit of 0xe2 flag
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lhz r0, 0xe2(rMGP)
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rlwinm r0, r0, 0, 31, 29
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sth r0, 0xe2(rMGP)
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## nextGameMode = nextArea == (shine select) ? 8 : 5
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### (Note: all valid area id < 0x40)
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rlwinm r29, rAns, 32-6, 0x3 # 0xC0 => 0x03
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addi r29, r29, 5
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.L.done:
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