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ucode voice cases jump table documentation, decrypted case 0x6 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3615 8ced0084-cf51-0410-be5f-012b33b47a6e
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XTra.KrazzY 2009-06-30 00:20:55 +00:00
parent 2e7dd06cfd
commit 1b6608ad29
1 changed files with 24 additions and 18 deletions
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42
docs/DSP/DSP_UC_Zelda.txt
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@ -2883,7 +2883,7 @@ void 087c_DefaultDecoder()
0887 0340 007e andi $AC1.M, #0x007e // AC1.M &= 0x007e
0889 0300 0891 addi $AC1.M, #0x0891 // AC1.M += 0x0891
088b 1c5f mrr $AR2, $AC1.M // AR2 = AC1.M
088c 175f callr $AR2 // (*$AR2)() <-- Need to check where it actually goes
088c 175f callr $AR2 // (*$AR2)() <-- See jump table at 0x0891
088d 00fc 0430 sr @0x0430, $AC0.L // PB.RatioFrac = AC0.L
// 088f 029f 02d8 jmp 0x02d8
@ -2892,22 +2892,23 @@ void 087c_DefaultDecoder()
// Jump table
0891 029f 08b2 jmp 0x08b2
0893 029f 08ed jmp 0x08ed
0895 029f 08d5 jmp 0x08d5
0897 029f 08c2 jmp 0x08c2
0899 029f 08fb jmp 0x08fb
089b 029f 08b1 jmp 0x08b1
089d 029f 0919 jmp 0x0919
089f 029f 091c jmp 0x091c
08a1 029f 08b1 jmp 0x08b1
08a3 029f 08b1 jmp 0x08b1
08a5 029f 093a jmp 0x093a
08a7 029f 08f3 jmp 0x08f3
08a9 029f 08f7 jmp 0x08f7
08ab 029f 08b1 jmp 0x08b1
08ad 029f 08b1 jmp 0x08b1
08af 029f 08b1 jmp 0x08b1
// switch(PB.Format)
0891 029f 08b2 jmp 0x08b2 // case 0x0
0893 029f 08ed jmp 0x08ed // case 0x1
0895 029f 08d5 jmp 0x08d5 // case 0x2
0897 029f 08c2 jmp 0x08c2 // case 0x3
0899 029f 08fb jmp 0x08fb // case 0x4
089b 029f 08b1 jmp 0x08b1 // case 0x5 (can never happen)
089d 029f 0919 jmp 0x0919 // case 0x6
089f 029f 091c jmp 0x091c // case 0x7
08a1 029f 08b1 jmp 0x08b1 // case 0x8 (can never happen)
08a3 029f 08b1 jmp 0x08b1 // case 0x9 (can never happen)
08a5 029f 093a jmp 0x093a // case 0xa
08a7 029f 08f3 jmp 0x08f3 // case 0xb
08a9 029f 08f7 jmp 0x08f7 // case 0xc
08ab 029f 08b1 jmp 0x08b1 // case 0xd (unused)
08ad 029f 08b1 jmp 0x08b1 // case 0xe (unused)
08af 029f 08b1 jmp 0x08b1 // case 0xf (unused)
08b1 02df ret
void 08b2_Unk() {
@ -2922,7 +2923,10 @@ void 08b2_Unk() {
08be 1b19 srri @$AR0, $AX1.L
08bf 4800 addax $ACC0, $AX0.L
08c0 147f lsr $ACC0, #-1
08c1 02df ret
08c1 02df ret
}
void 08c2_Unk() {
08c2 1402 lsl $ACC0, #2
08c3 8900 clr $ACC1
08c4 1fb8 mrr $AC1.L, $AX0.L
@ -3000,6 +3004,8 @@ void 08f3_Unk() {
}
void 0919_Unk() {
// case 0x6: Fills the buffer with PB.RatioInt (zero?)
0919 1050 loopi #0x50
091a 1b18 srri @$AR0, $AX0.L
091b 02df ret