Decompile _decodeChunk
This commit is contained in:
Ryan Dwyer
parent
f11007b2b3
commit
a1d4f0e690
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@ -693,120 +693,31 @@ s32 n_alLoadParam(N_PVoice *filter, s32 paramID, void *param)
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return 0;
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}
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GLOBAL_ASM(
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glabel _decodeChunk
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/* 458f8: 27bdffd0 */ addiu $sp,$sp,-48
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/* 458fc: afbf0014 */ sw $ra,0x14($sp)
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/* 45900: afa40030 */ sw $a0,0x30($sp)
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/* 45904: afa50034 */ sw $a1,0x34($sp)
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/* 45908: afa60038 */ sw $a2,0x38($sp)
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/* 4590c: afa7003c */ sw $a3,0x3c($sp)
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/* 45910: 8fae003c */ lw $t6,0x3c($sp)
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/* 45914: 19c00028 */ blez $t6,.L000459b8
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/* 45918: 00000000 */ nop
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/* 4591c: 8faf0034 */ lw $t7,0x34($sp)
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/* 45920: 8fa5003c */ lw $a1,0x3c($sp)
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/* 45924: 8df90028 */ lw $t9,0x28($t7)
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/* 45928: 8de4003c */ lw $a0,0x3c($t7)
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/* 4592c: 8de6002c */ lw $a2,0x2c($t7)
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/* 45930: 0320f809 */ jalr $t9
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/* 45934: 00000000 */ nop
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/* 45938: afa20028 */ sw $v0,0x28($sp)
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/* 4593c: 8fb80028 */ lw $t8,0x28($sp)
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/* 45940: 33080007 */ andi $t0,$t8,0x7
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/* 45944: afa8002c */ sw $t0,0x2c($sp)
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/* 45948: 8fa9003c */ lw $t1,0x3c($sp)
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/* 4594c: 8faa002c */ lw $t2,0x2c($sp)
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/* 45950: 012a5821 */ addu $t3,$t1,$t2
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/* 45954: afab003c */ sw $t3,0x3c($sp)
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/* 45958: 8fac0030 */ lw $t4,0x30($sp)
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/* 4595c: 258d0008 */ addiu $t5,$t4,0x8
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/* 45960: afad0030 */ sw $t5,0x30($sp)
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/* 45964: afac0024 */ sw $t4,0x24($sp)
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/* 45968: 8fae003c */ lw $t6,0x3c($sp)
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/* 4596c: 87ab0046 */ lh $t3,0x46($sp)
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/* 45970: 3c010400 */ lui $at,0x400
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/* 45974: 31cf0007 */ andi $t7,$t6,0x7
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/* 45978: 01cfc823 */ subu $t9,$t6,$t7
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/* 4597c: 27380008 */ addiu $t8,$t9,0x8
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/* 45980: 33080fff */ andi $t0,$t8,0xfff
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/* 45984: 8fae0024 */ lw $t6,0x24($sp)
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/* 45988: 00084b00 */ sll $t1,$t0,0xc
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/* 4598c: 01215025 */ or $t2,$t1,$at
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/* 45990: 316c0fff */ andi $t4,$t3,0xfff
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/* 45994: 014c6825 */ or $t5,$t2,$t4
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/* 45998: adcd0000 */ sw $t5,0x0($t6)
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/* 4599c: 8faf0028 */ lw $t7,0x28($sp)
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/* 459a0: 8fb9002c */ lw $t9,0x2c($sp)
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/* 459a4: 8fa80024 */ lw $t0,0x24($sp)
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/* 459a8: 01f9c023 */ subu $t8,$t7,$t9
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/* 459ac: ad180004 */ sw $t8,0x4($t0)
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/* 459b0: 10000002 */ b .L000459bc
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/* 459b4: 00000000 */ nop
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.L000459b8:
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/* 459b8: afa0002c */ sw $zero,0x2c($sp)
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.L000459bc:
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/* 459bc: 8fa90048 */ lw $t1,0x48($sp)
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/* 459c0: 312b0002 */ andi $t3,$t1,0x2
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/* 459c4: 1160000f */ beqz $t3,.L00045a04
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/* 459c8: 00000000 */ nop
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/* 459cc: 8faa0030 */ lw $t2,0x30($sp)
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/* 459d0: 254c0008 */ addiu $t4,$t2,0x8
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/* 459d4: afac0030 */ sw $t4,0x30($sp)
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/* 459d8: afaa0020 */ sw $t2,0x20($sp)
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/* 459dc: 8fae0020 */ lw $t6,0x20($sp)
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/* 459e0: 3c0d0f00 */ lui $t5,0xf00
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/* 459e4: adcd0000 */ sw $t5,0x0($t6)
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/* 459e8: 8faf0034 */ lw $t7,0x34($sp)
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/* 459ec: 8fa80020 */ lw $t0,0x20($sp)
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/* 459f0: 3c011fff */ lui $at,0x1fff
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/* 459f4: 8df90010 */ lw $t9,0x10($t7)
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/* 459f8: 3421ffff */ ori $at,$at,0xffff
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/* 459fc: 0321c024 */ and $t8,$t9,$at
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/* 45a00: ad180004 */ sw $t8,0x4($t0)
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.L00045a04:
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/* 45a04: 8fa90030 */ lw $t1,0x30($sp)
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/* 45a08: 252b0008 */ addiu $t3,$t1,0x8
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/* 45a0c: afab0030 */ sw $t3,0x30($sp)
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/* 45a10: afa9001c */ sw $t1,0x1c($sp)
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/* 45a14: 8faa0034 */ lw $t2,0x34($sp)
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/* 45a18: 3c011fff */ lui $at,0x1fff
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/* 45a1c: 3421ffff */ ori $at,$at,0xffff
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/* 45a20: 8d4c000c */ lw $t4,0xc($t2)
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/* 45a24: 8fb9001c */ lw $t9,0x1c($sp)
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/* 45a28: 01816824 */ and $t5,$t4,$at
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/* 45a2c: 3c0100ff */ lui $at,0xff
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/* 45a30: 3421ffff */ ori $at,$at,0xffff
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/* 45a34: 01a17024 */ and $t6,$t5,$at
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/* 45a38: 3c010100 */ lui $at,0x100
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/* 45a3c: 01c17825 */ or $t7,$t6,$at
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/* 45a40: af2f0000 */ sw $t7,0x0($t9)
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/* 45a44: 8fab0038 */ lw $t3,0x38($sp)
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/* 45a48: 8fb80048 */ lw $t8,0x48($sp)
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/* 45a4c: 8faf002c */ lw $t7,0x2c($sp)
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/* 45a50: 000b5040 */ sll $t2,$t3,0x1
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/* 45a54: 314c0fff */ andi $t4,$t2,0xfff
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/* 45a58: 3308000f */ andi $t0,$t8,0xf
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/* 45a5c: 87ab0042 */ lh $t3,0x42($sp)
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/* 45a60: 00084f00 */ sll $t1,$t0,0x1c
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/* 45a64: 000c6c00 */ sll $t5,$t4,0x10
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/* 45a68: 012d7025 */ or $t6,$t1,$t5
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/* 45a6c: 31f9000f */ andi $t9,$t7,0xf
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/* 45a70: 8fa9001c */ lw $t1,0x1c($sp)
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/* 45a74: 0019c300 */ sll $t8,$t9,0xc
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/* 45a78: 01d84025 */ or $t0,$t6,$t8
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/* 45a7c: 316a0fff */ andi $t2,$t3,0xfff
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/* 45a80: 010a6025 */ or $t4,$t0,$t2
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/* 45a84: ad2c0004 */ sw $t4,0x4($t1)
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/* 45a88: 8fad0034 */ lw $t5,0x34($sp)
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/* 45a8c: ada00038 */ sw $zero,0x38($t5)
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/* 45a90: 10000003 */ b .L00045aa0
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/* 45a94: 8fa20030 */ lw $v0,0x30($sp)
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/* 45a98: 10000001 */ b .L00045aa0
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/* 45a9c: 00000000 */ nop
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.L00045aa0:
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/* 45aa0: 8fbf0014 */ lw $ra,0x14($sp)
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/* 45aa4: 27bd0030 */ addiu $sp,$sp,0x30
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/* 45aa8: 03e00008 */ jr $ra
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/* 45aac: 00000000 */ nop
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);
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Acmd *_decodeChunk(Acmd *ptr, N_PVoice *f, s32 tsam, s32 nbytes, s16 outp, s16 inp, u32 flags)
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{
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s32 dramAlign, dramLoc;
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if (nbytes > 0) {
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dramLoc = (f->dc_dma)(f->dc_memin, nbytes, f->dc_dmaState);
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/*
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* Make sure enough is loaded into DMEM to take care
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* of 8 byte alignment
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*/
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dramAlign = dramLoc & 0x7;
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nbytes += dramAlign;
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n_aLoadBuffer(ptr++, nbytes + 8 - (nbytes & 0x7), inp, dramLoc - dramAlign);
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} else {
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dramAlign = 0;
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}
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if (flags & A_LOOP) {
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aSetLoop(ptr++, K0_TO_PHYS(f->dc_lstate));
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}
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n_aADPCMdec(ptr++, K0_TO_PHYS(f->dc_state), flags, tsam << 1, dramAlign, outp);
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f->dc_first = 0;
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return ptr;
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}
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