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Simple 0x0000 zelda ucode voice case documentation

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3628 8ced0084-cf51-0410-be5f-012b33b47a6e
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XTra.KrazzY 2009-07-01 15:52:43 +00:00
parent 1780f82dac
commit adf9d8d939
1 changed files with 13 additions and 8 deletions
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15
docs/DSP/DSP_UC_Zelda.txt
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@ -2269,7 +2269,7 @@ void 06c5_CopyCommandBlock()
06c9 00da 0352 lr $AX0.H, @0x0352 06c9 00da 0352 lr $AX0.H, @0x0352
06cb 8600 tstaxh $AX0.H 06cb 8600 tstaxh $AX0.H
06cc 0295 06ed jz 0x06ed 06cc 0295 06ed jz 0x06ed
check how much commands are inside the "queue" check how many commands are inside the "queue"
*/ */
if (*0x352 == 0) if (*0x352 == 0)
@ -2873,7 +2873,7 @@ void 07eb_AFCDecoder(_numberOfSample(AC0.M))
//////////////////////////////////////////// DEFAULT DECODER //////////////////////////////////////////// DEFAULT DECODER
void 087c_DefaultDecoder() void 087c_DefaultDecoder()
{ {
087c 8100 clr $ACC0 087c 8100 clr $ACC0 // ACC0 = 0
087d 1f5e mrr $AX0.H, $AC0.M 087d 1f5e mrr $AX0.H, $AC0.M
087e 00d8 0402 lr $AX0.L, @0x0402 // AX0.L = PB.RatioInt 087e 00d8 0402 lr $AX0.L, @0x0402 // AX0.L = PB.RatioInt
0880 00dc 0430 lr $AC0.L, @0x0430 // AC0.L = PB.RatioFrac 0880 00dc 0430 lr $AC0.L, @0x0430 // AC0.L = PB.RatioFrac
@ -2912,16 +2912,21 @@ void 087c_DefaultDecoder()
08b1 02df ret 08b1 02df ret
void 08b2_Unk() { void 08b2_Unk() {
08b2 1401 lsl $ACC0, #1 08b2 1401 lsl $ACC0, #1 // t = PB.RatioFrac * 2
08b3 009b c000 lri $AX1.H, #0xc000
08b5 0099 4000 lri $AX1.L, #0x4000 // Set up sound buffers
08b3 009b c000 lri $AX1.H, #0xc000 // a = 0xc000
08b5 0099 4000 lri $AX1.L, #0x4000 // b = 0x4000
08b7 1150 08bf bloopi #0x50, 0x08bf 08b7 1150 08bf bloopi #0x50, 0x08bf
// for(int i = 0; i < 80; i++) {
08b9 02c0 0001 andcf $AC0.M, #0x0001 08b9 02c0 0001 andcf $AC0.M, #0x0001
08bb 027c iflnz 08bb 027c iflnz
08bc 1b1b srri @$AR0, $AX1.H 08bc 1b1b srri @$AR0, $AX1.H
08bd 027d iflz 08bd 027d iflz
08be 1b19 srri @$AR0, $AX1.L 08be 1b19 srri @$AR0, $AX1.L
08bf 4800 addax $ACC0, $AX0.L 08bf 4800 addax $ACC0, $AX0.L
// }
08c0 147f lsr $ACC0, #-1 08c0 147f lsr $ACC0, #-1
08c1 02df ret 08c1 02df ret
} }