diff options
| author | XTra.KrazzY <XTra.KrazzY@gmail.com> | 2009-06-29 23:49:03 +0000 |
|---|---|---|
| committer | XTra.KrazzY <XTra.KrazzY@gmail.com> | 2009-06-29 23:49:03 +0000 |
| commit | 2e7dd06cfdfbbcbde3f7e466da7b6b1716e967ae (patch) | |
| tree | b4788c5690d8441036bd3853cc6cb767c7f1cd35 /docs | |
| parent | 5e65e94c4b15c9b584e2c5a2b5d4af2a7f8938f4 (diff) | |
Documented the general sound decoder. Now all we need is to implement it.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3613 8ced0084-cf51-0410-be5f-012b33b47a6e
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/DSP/DSP_UC_Zelda.txt | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/docs/DSP/DSP_UC_Zelda.txt b/docs/DSP/DSP_UC_Zelda.txt index 6133bc3a85..4540533943 100644 --- a/docs/DSP/DSP_UC_Zelda.txt +++ b/docs/DSP/DSP_UC_Zelda.txt @@ -2875,16 +2875,16 @@ void 087c_DefaultDecoder() {
087c 8100 clr $ACC0
087d 1f5e mrr $AX0.H, $AC0.M
- 087e 00d8 0402 lr $AX0.L, @0x0402
- 0880 00dc 0430 lr $AC0.L, @0x0430
- 0882 0080 0520 lri $AR0, #0x0520
- 0884 00df 0480 lr $AC1.M, @0x0480
- 0886 1501 lsl $ACC1, #1
- 0887 0340 007e andi $AC1.M, #0x007e
- 0889 0300 0891 addi $AC1.M, #0x0891
- 088b 1c5f mrr $AR2, $AC1.M
- 088c 175f callr $AR2
- 088d 00fc 0430 sr @0x0430, $AC0.L
+ 087e 00d8 0402 lr $AX0.L, @0x0402 // AX0.L = PB.RatioInt
+ 0880 00dc 0430 lr $AC0.L, @0x0430 // AC0.L = PB.RatioFrac
+ 0882 0080 0520 lri $AR0, #0x0520 // AR0 = 0x0520
+ 0884 00df 0480 lr $AC1.M, @0x0480
+ 0886 1501 lsl $ACC1, #1 // AC1.M = (PB.Format << 1)
+ 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
+ 088d 00fc 0430 sr @0x0430, $AC0.L // PB.RatioFrac = AC0.L
// 088f 029f 02d8 jmp 0x02d8
GOTO ContinueWithBlock: // in SyncFrame
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