{"type": "func", "start": 1072824, "end": 1073088, "name": "Biquad_Filter", "pseudocode": "// \n// Biquad_Filter from 0x105eb8 to 0x105fc0 (264 bytes)\n// \n// 5 xrefs:\n// > Pole_Zero_Filter_Phase @ 0x105eb4\n// > .Biquad_Filter @ 0x109e9c\n// > @ 0x6280\n// > .Biquad_Filter @ 0x109e94\n// > @ 0x111810\n// \n// This function is hookable on this platform!\n// \n// Using BromaIDA 8.0.0 @ https://github.com/Stazzical/BromaIDA\n// Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings\n// \n\n__int64 __fastcall Biquad_Filter(\n float *a1,\n __int16 a2,\n _DWORD *a3,\n __int16 a4,\n __int64 a5,\n float *a6,\n __int16 a7,\n double a8,\n double a9,\n double a10,\n double a11,\n double a12,\n double a13,\n double a14,\n double a15)\n{\n float v15; // s17\n float v16; // s18\n float v17; // s19\n float v18; // s5\n float v19; // s3\n float v20; // s16\n unsigned int v21; // w4\n float v22; // s7\n __int64 v23; // x8\n __int64 v24; // x7\n __int64 v25; // x1\n __int64 v26; // x3\n float v27; // s1\n float v28; // s2\n float v29; // s1\n __int64 v31; // x0\n __int128 v32; // [xsp+10h] [xbp+10h]\n\n *(float *)&a9 = a6[1];\n *(float *)&a8 = *a6;\n *(float *)&a12 = a6[3];\n *(float *)&a14 = a6[2];\n LODWORD(a15) = *(_DWORD *)a5;\n v15 = *(float *)(a5 + 8);\n v16 = *(float *)(a5 + 12);\n v17 = *(float *)(a5 + 16);\n if ( (a7 & 1) != 0 )\n {\n v31 = __assert2(\n \"../../src/pl2_encode_subroutine.c\",\n 1881,\n \"Biquad_Filter\",\n \"0 == dspsBlockSize % 2\",\n a8,\n a9,\n a10,\n a11,\n a12,\n a13,\n a14,\n a15);\n return PLII_Encode(v31);\n }\n else\n {\n v18 = a6[2];\n v19 = a6[3];\n if ( a7 )\n {\n v20 = -*(float *)(a5 + 4);\n v21 = a7 & 1;\n v22 = -*(float *)&a15;\n v23 = a2;\n v24 = a4;\n v25 = 8LL * a2;\n v26 = 8LL * a4;\n do\n {\n v21 += 2;\n v18 = a1[v23];\n v19 = *a1;\n a1 = (float *)((char *)a1 + v25);\n v27 = (float)(*(float *)&a12 * v17) + (float)(*(float *)&a9 * v20);\n v28 = (float)(*(float *)&a14 * v17) + (float)(*(float *)&a8 * v20);\n *(float *)&a12 = v19;\n v29 = (float)(v27 + (float)(*(float *)&a8 * v22)) + (float)(*(float *)&a14 * v16);\n *(float *)&a14 = v18;\n *(float *)&a9 = v29 + (float)(v19 * v15);\n *(float *)&a8 = (float)((float)(v28 + (float)(v18 * v15)) + (float)(v19 * v16)) + (float)(*(float *)&a9 * v22);\n *a3 = LODWORD(a9);\n a3[v24] = LODWORD(a8);\n a3 = (_DWORD *)((char *)a3 + v26);\n }\n while ( v21 < a7 );\n }\n *(_QWORD *)&v32 = __PAIR64__(LODWORD(a9), LODWORD(a8));\n *((_QWORD *)&v32 + 1) = __PAIR64__(LODWORD(v19), LODWORD(v18));\n *(_OWORD *)a6 = v32;\n return 0;\n }\n}", "assembly": "; \n; Biquad_Filter from 0x105eb8 to 0x105fc0 (264 bytes)\n; \n; 5 xrefs:\n; > Pole_Zero_Filter_Phase @ 0x105eb4\n; > .Biquad_Filter @ 0x109e9c\n; > @ 0x6280\n; > .Biquad_Filter @ 0x109e94\n; > @ 0x111810\n; \n; This function is hookable on this platform!\n; \n; Using BromaIDA 8.0.0 @ https:;github.com/Stazzical/BromaIDA\n; Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https:;github.com/geode-sdk/bindings\n; \n\nSTP X29, X30, [SP,#var_20]! ; +0x0, 0x105eb8\nSXTH W6, W6 ; +0x4, 0x105ebc\nSXTH X1, W1 ; +0x8, 0x105ec0\nMOV X29, SP ; +0xc, 0x105ec4\nSXTH X3, W3 ; +0x10, 0x105ec8\nAND W7, W6, #1 ; +0x14, 0x105ecc\nLDR S1, [X5,#4] ; +0x18, 0x105ed0\nLDR S0, [X5] ; +0x1c, 0x105ed4\nLDR S4, [X5,#0xC] ; +0x20, 0x105ed8\nLDR S6, [X5,#8] ; +0x24, 0x105edc\nLDR S16, [X4,#4] ; +0x28, 0x105ee0\nLDR S7, [X4] ; +0x2c, 0x105ee4\nLDR S17, [X4,#8] ; +0x30, 0x105ee8\nLDR S18, [X4,#0xC] ; +0x34, 0x105eec\nLDR S19, [X4,#0x10] ; +0x38, 0x105ef0\nTBNZ W6, #0, loc_105F9C ; +0x3c, 0x105ef4\nFMOV S5, S6 ; +0x40, 0x105ef8\nFMOV S3, S4 ; +0x44, 0x105efc\nCBZ W6, loc_105F74 ; +0x48, 0x105f00\nFNEG S16, S16 ; +0x4c, 0x105f04\nMOV W4, W7 ; +0x50, 0x105f08\nFNEG S7, S7 ; +0x54, 0x105f0c\nLSL X8, X1, #2 ; +0x58, 0x105f10\nLSL X7, X3, #2 ; +0x5c, 0x105f14\nLSL X1, X1, #3 ; +0x60, 0x105f18\nLSL X3, X3, #3 ; +0x64, 0x105f1c\nFMUL S4, S4, S19 ; +0x68, 0x105f20\nADD W4, W4, #2 ; +0x6c, 0x105f24\nFMUL S2, S6, S19 ; +0x70, 0x105f28\nCMP W4, W6 ; +0x74, 0x105f2c\nLDR S5, [X0,X8] ; +0x78, 0x105f30\nLDR S3, [X0] ; +0x7c, 0x105f34\nADD X0, X0, X1 ; +0x80, 0x105f38\nFMADD S1, S1, S16, S4 ; +0x84, 0x105f3c\nFMADD S2, S0, S16, S2 ; +0x88, 0x105f40\nFMOV S4, S3 ; +0x8c, 0x105f44\nFMADD S1, S0, S7, S1 ; +0x90, 0x105f48\nFMADD S0, S5, S17, S2 ; +0x94, 0x105f4c\nFMADD S1, S6, S18, S1 ; +0x98, 0x105f50\nFMADD S0, S3, S18, S0 ; +0x9c, 0x105f54\nFMOV S6, S5 ; +0xa0, 0x105f58\nFMADD S1, S3, S17, S1 ; +0xa4, 0x105f5c\nFMADD S0, S1, S7, S0 ; +0xa8, 0x105f60\nSTR S1, [X2] ; +0xac, 0x105f64\nSTR S0, [X2,X7] ; +0xb0, 0x105f68\nADD X2, X2, X3 ; +0xb4, 0x105f6c\nB.CC loc_105F20 ; +0xb8, 0x105f70\nADD X1, X29, #0x20+var_10 ; +0xbc, 0x105f74\nMOV W0, #0 ; +0xc0, 0x105f78\nSTR S0, [X29,#0x20+var_10] ; +0xc4, 0x105f7c\nSTR S1, [X29,#0x20+var_C] ; +0xc8, 0x105f80\nSTR S5, [X29,#0x20+var_8] ; +0xcc, 0x105f84\nSTR S3, [X29,#0x20+var_4] ; +0xd0, 0x105f88\nLDR Q0, [X1] ; +0xd4, 0x105f8c\nLDP X29, X30, [SP+0x20+var_20],#0x20 ; +0xd8, 0x105f90\nSTR Q0, [X5] ; +0xdc, 0x105f94\nRET ; +0xe0, 0x105f98\nADRP X2, #aPoleZeroFilter_1@PAGE; \"Pole_Zero_Filter\" ; +0xe4, 0x105f9c\nADRP X0, #aSrcPl2EncodeSu@PAGE; \"../../src/pl2_encode_subroutine.c\" ; +0xe8, 0x105fa0\nADD X2, X2, #aPoleZeroFilter_1@PAGEOFF; \"Pole_Zero_Filter\" ; +0xec, 0x105fa4\nADRP X3, #a0Dspsblocksize@PAGE; \"0 == dspsBlockSize % 2\" ; +0xf0, 0x105fa8\nADD X0, X0, #aSrcPl2EncodeSu@PAGEOFF; \"../../src/pl2_encode_subroutine.c\" ; +0xf4, 0x105fac\nMOV W1, #0x759 ; +0xf8, 0x105fb0\nADD X2, X2, #0x40 ; '@' ; +0xfc, 0x105fb4\nADD X3, X3, #a0Dspsblocksize@PAGEOFF; \"0 == dspsBlockSize % 2\" ; +0x100, 0x105fb8\nBL .__assert2 ; +0x104, 0x105fbc", "xrefs": ["Pole_Zero_Filter_Phase @ 0x105eb4", ".Biquad_Filter @ 0x109e9c", " @ 0x6280", ".Biquad_Filter @ 0x109e94", " @ 0x111810"], "is_objc": false, "is_arm32": false, "is_arm64": false, "bida_info": "8.0.0 @ https://github.com/Stazzical/BromaIDA", "bindings_info": "commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings"}