mirror of
https://github.com/emu-russia/pureikyubu.git
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c21147ccff
Docs: New TODO moved to EMU, old renamed to old_todo Docs: Old coding style is deprecated (old_style.txt) Docs: Removed mention about CubeDocumented and fixed old emails RE: boot.s, proved first asm line (lis instruction parameter) RE: Added PAL and NTSC Boot and IPL IDA files RE: Some work on NTSC IPL (identified many lib calls, including OS, GX) RE: Added EXI Bootrom descrambler by segher RE: GXInit RE: Internal GX lib structures (GXPrivate.h) RE: More details on lomem (OS versions) RE: OSInit and OS.c RE: OSAlloc (heap allocator) RE: Very first code of Metrowerk runtime (__start.c) Docs: Added copy of http://gcdev.narod.ru Source\Utils: Command processor (Cmd.c) Source\Utils: File wrapper Source\Utils: Gekko disasm cleaned up and ported to plain C Source\Utils: Double-linked lists Source\Utils: Ported old Profiler code Source\Utils: String utils
631 lines
15 KiB
C
631 lines
15 KiB
C
// GXInit.c (Debug version)
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//
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//
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// TODO : Add neat GX defines instead constants
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//
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BOOL __GXinBegin;
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GXFifoObj FifoObj;
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BOOL IsWriteGatherBufferEmpty (void)
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{
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__asm {
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sync
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mfspr r3, WPAR // WPAR_BNE
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andi. r3, r3, 1
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}
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}
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void EnableWriteGatherPipe (void)
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{
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u32 hid2 = PPCMfhid2 ();
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PPCMtwpar (0x0C080000);
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PPCMthid2 (hid2 | HID2_WPE);
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}
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void DisableWriteGatherPipe (void)
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{
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u32 hid2 = PPCMfhid2 ();
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PPCMthid2 (hid2 & ~HID2_WPE);
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}
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GXTexRegion * __GXDefaultTexRegionCallback (GXTexObj* t_obj, GXTexMapID id)
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{
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GXTexFmt fmt;
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GXTexRegion texReg;
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fmt = GXGetTexObjFmt ( t_obj );
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switch ( fmt )
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{
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case GX_TF_C4:
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case GX_TF_C8:
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case GX_TF_C14X2:
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texReg = &gx.TexRegionsCI[ gx.nextTexRgnCI & 3];
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gx.nextTexRgnCI++;
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break;
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default:
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texReg = &gx.TexRegions[ gx.nextTexRgn & 7];
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gx.nextTexRgn++;
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break;
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}
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return texReg;
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}
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GXTlutRegion * __GXDefaultTlutRegionCallback (u32 idx)
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{
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if (idx < 20)
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{
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return &gx.TlutRegions[idx];
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}
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else return NULL;
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}
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void __GXDefaultVerifyCallback (GXWarningLevel level,
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u32 id,
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char* msg )
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{
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OSReport ( "Level %1d, Warning %3d: %s\n", level, id, msg );
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}
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GXFifoObj * GXInit (void *base, u32 size)
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{
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int i;
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int reg;
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freqBase
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regAddr
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reg1
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reg2
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gx.inDispList = FALSE;
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gx.dlSaveContext = TRUE;
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__GXinBegin = FALSE;
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gx.tcsManEnab = 0;
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gx.tevTcEnab = 0;
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gx.bpSentNot = 0;
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//
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// Set hardware regs pointers
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//
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__piReg = OSPhysicalToUncached (0x0C003000);
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__cpReg = OSPhysicalToUncached (0x0C000000);
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__peReg = OSPhysicalToUncached (0x0C001000);
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__memReg = OSPhysicalToUncached (0x0C004000);
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//
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// Init Fifo
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//
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__GXFifoInit ();
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GXInitFifoBase ( &FifoObj, base, size );
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GXSetCPUFifo ( &FifoObj );
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GXSetGPFifo ( &FifoObj );
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__GXPEInit ();
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EnableWriteGatherPipe ();
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gx.genMode = 0;
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gx.genMode = (gx.genMode & 0xffffff) | 0x00000000;
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gx.bpMask = 0xff;
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gx.bpMask = (gx.bpMask & 0xffffff) | 0xF0000000;
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gx.lpSize = 0;
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gx.lpSize = (gx.lpSize & 0xffffff) | 0x22000000;
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//
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// Loop 1: Setup TEV
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//
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for (i=0; i<16; i++)
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{
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gx.tevc[i] = 0;
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gx.teva[i] = 0;
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gx.tref[i / 2] = 0;
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gx.texmapId[i] = 0xff;
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reg = (0xC0 + i * 2);
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if ( reg & 0xffffff00 )
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OSHalt ( "GX Internal: Register field out of range" );
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gx.tevc[i] = (gx.tevc[i] & 0xffffff) | ((0xC0 + i * 2) << 24);
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reg = (0xC1 + i * 2);
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if ( reg & 0xffffff00 )
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OSHalt ( "GX Internal: Register field out of range" );
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gx.teva[i] = (gx.teva[i] & 0xffffff) | ((0xC1 + i * 2) << 24);
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reg = (0xF6 + i / 2);
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if ( reg & 0xffffff00 )
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OSHalt ( "GX Internal: Register field out of range" );
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gx.tevKsel[i/2] = (gx.tevKsel[i/2] & 0xffffff) | ((0xF6 + i / 2) << 24);
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reg = (0x28 + i / 2);
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if ( reg & 0xffffff00 )
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OSHalt ( "GX Internal: Register field out of range" );
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gx.tref[i/2] = (gx.tref[i/2] & 0xffffff) | ((0x28 + i / 2) << 24);
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}
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gx.iref = 0;
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gx.iref = (gx.iref & 0xffffff) | 0x27000000;
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//
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// Loop 2: SU
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//
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for (i=0; i<8; i++)
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{
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gx.suTs0[i] = 0;
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gx.suTs1[i] = 0;
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reg = (0x30 + i * 2);
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if ( reg & 0xffffff00 )
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OSHalt ( "GX Internal: Register field out of range" );
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gx.suTs0[i] = (gx.suTs0[i] & 0xffffff) | ((0x30 + i * 2) << 24);
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reg = (0x31 + i * 2);
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if ( reg & 0xffffff00 )
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OSHalt ( "GX Internal: Register field out of range" );
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gx.suTs1[i] = (gx.suTs1[i] & 0xffffff) | ((0x31 + i * 2) << 24);
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}
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gx.suScis0 = (gx.suScis0 & 0xffffff) | 0x20000000;
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gx.suScis1 = (gx.suScis1 & 0xffffff) | 0x21000000;
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gx.cmode0 = (gx.cmode0 & 0xffffff) | 0x41000000;
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gx.cmode1 = (gx.cmode1 & 0xffffff) | 0x42000000;
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gx.zmode = (gx.zmode & 0xffffff) | 0x43000000;
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gx.cpTex &= ~0x180; // rlwinm cpTex, 25, 22
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gx.dirtyState = 0;
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gx.dirtyVAT = FALSE;
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//
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// Verifier Init
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//
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__gxVerif.verifyLevel = GX_WARN_ALL;
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GXSetVerifyCallback ( __GXDefaultVerifyCallback );
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for (i=0; i<0x100; i++)
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{
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__gxVerif.rasRegs[i] = (__gxVerif.rasRegs[i] & 0xffffff) | 0xFF000000;
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}
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memset ( __gxVerif.xfRegsDirty, 0, 0x50 );
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memset ( __gxVerif.xfMtxDirty, 0, 0x100 );
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memset ( __gxVerif.xfNrmDirty, 0, 0x60 );
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memset ( __gxVerif.xfLightDirty, 0, 0x80 );
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r20 = __OSBusClock / 500;
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__GXFlushTextureState ();
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r3 = (r20 >> 11) | 0x400;
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r26 = r3 | 0x69000000;
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GXWGFifo.u8 = 0x61;
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GXWGFifo.u32 = r26;
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__gxVerif.rasRegs[r26 >> 24] = r26;
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__GXFlushTextureState ();
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r3 = r20 / 0x1080;
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r26 = r3 | 0x200 | 0x46000000;
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GXWGFifo.u8 = 0x61;
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GXWGFifo.u32 = r26;
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__gxVerif.rasRegs[r26 >> 24] = r26;
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//
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// VAT
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//
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for (i=0; i<8; i++)
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{
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gx.vatA[i] = (gx.vatA[i] & ~0xC0000000) | 0x40000000;
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gx.vatB[i] = (gx.vatB[i] & ~0x80000000) | 0x80000000;
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GXWGFifo.u8 = 4;
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GXWGFifo.u8 = 0x80 | i;
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GXWGFifo.u32 = vatB[i];
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}
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//
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// Chunk 1
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//
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r29 = 0;
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r29 |= 1;
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r29 |= 2;
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r29 |= 4;
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r29 |= 8;
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r29 |= 0x10;
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r29 |= 0x20;
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GXWGFifo.u8 = 0x10;
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GXWGFifo.u32 = 0x1000;
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GXWGFifo.u32 = r29;
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reg = 0;
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if ( reg >= 0 && reg < 0x50)
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{
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__gxVerif.xfRegs[reg] = r29;
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__gxVerif.xfRegsDirty[reg] = TRUE;
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}
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//
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// Chunk 2
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//
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r24 = 0;
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r24 |= 1;
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GXWGFifo.u8 = 0x10;
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GXWGFifo.u32 = 0x1012; // XF_DUALTEX
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GXWGFifo.u32 = r29;
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reg = 0x12;
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if ( reg >= 0 && reg < 0x50)
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{
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__gxVerif.xfRegs[reg] = r29;
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__gxVerif.xfRegsDirty[reg] = TRUE;
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}
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xfRegsDirty[0] = FALSE;
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//
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// Chunk 3
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//
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r27 = 0;
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r27 |= 1;
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r27 |= 2;
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r27 |= 4;
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r27 |= 8;
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r27 |= 0x58000000;
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GXWGFifo.u8 = 0x61;
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GXWGFifo.u32 = r27;
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__gxVerif.rasRegs[r27 >> 24] = r27;
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//
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// TexCache
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//
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for (i=0; i<8; i++)
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{
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GXInitTexCacheRegion ( &gx.TexRegions[i],
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GX_FALSE,
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i << 15,
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GX_TEXCACHE_32K,
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(i << 15) + 8,
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GX_TEXCACHE_32K );
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}
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for (i=0; i<4; i++)
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{
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GXInitTexCacheRegion ( &gx.TexRegionsCI[i],
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GX_FALSE,
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((i << 1) + 8) << 15,
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GX_TEXCACHE_32K,
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((i << 1) + 9) << 15,
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GX_TEXCACHE_32K );
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}
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//
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// TlutRegion
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//
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for (i=0; i<0x10; i++)
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{
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GXInitTlutRegion ( &gx.TlutRegions[i],
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(i << 13) + 0xc0000,
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GX_TLUT_256 );
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}
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for (i=0; i<4; i++)
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{
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GXInitTlutRegion ( &gx.TlutRegions[16 + i],
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(i << 15) + 0xe0000,
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GX_TLUT_1K );
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}
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r30 = 0;
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u16.[__cpReg + 6] = (u16)r30;
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gx.perfSel = gx.perfSel & ~0xF0; // rlwinm r0, r0, 0,28,23
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GXWGFifo.u8 = 8;
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GXWGFifo.u8 = 0x20;
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GXWGFifo.u32 = gx.perfSel;
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GXWGFifo.u8 = 0x10;
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GXWGFifo.u32 = 0x1006;
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GXWGFifo.u32 = 0;
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reg = 6;
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if ( reg >= 0 && reg < 0x50)
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{
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__gxVerif.xfRegs[reg] = r29;
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__gxVerif.xfRegsDirty[reg] = TRUE;
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}
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r30 = 0x23000000;
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GXWGFifo.u8 = 0x61;
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GXWGFifo.u32 = r30;
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__gxVerif.rasRegs[r30 >> 24] = r30;
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r30 = 0x24000000;
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GXWGFifo.u32 = r30;
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__gxVerif.rasRegs[r30 >> 24] = r30;
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r30 = 0x67000000;
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GXWGFifo.u32 = r30;
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__gxVerif.rasRegs[r30 >> 24] = r30;
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__GXSetTmemConfig (0);
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__GXInitGX ();
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return &FifoObj;
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}
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void __GXInitGX (void)
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{
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GXRenderModeObj * rmode;
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f32 identity_mtx[3][4];
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GXColor clear;
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black;
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white;
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int i;
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var_50 = 0x404040FF;
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var_54 = 0;
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var_58 = 0xFFFFFFFF;
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switch (VIGetTvFormat ())
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{
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case VI_NTSC:
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rmode = &GXNtsc480IntDf;
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break;
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case VI_PAL:
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rmode = &GXPal528IntDf;
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break;
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case VI_MPAL:
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rmode = &GXMpal480IntDf;
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break;
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case VI_EURGB60:
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rmode = &GXEurgb60Hz480IntDf;
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break;
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default:
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OSHalt ( "GXInit: invalid TV format" );
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}
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clear = var_50;
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GXSetCopyClear ( clear, 0xFFFFFF );
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//
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// TexGen
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//
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GXSetTexCoordGen ( GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY );
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GXSetTexCoordGen ( GX_TEXCOORD1, GX_TG_MTX2x4, GX_TG_TEX1, GX_IDENTITY );
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GXSetTexCoordGen ( GX_TEXCOORD2, GX_TG_MTX2x4, GX_TG_TEX2, GX_IDENTITY );
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GXSetTexCoordGen ( GX_TEXCOORD3, GX_TG_MTX2x4, GX_TG_TEX3, GX_IDENTITY );
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GXSetTexCoordGen ( GX_TEXCOORD4, GX_TG_MTX2x4, GX_TG_TEX4, GX_IDENTITY );
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GXSetTexCoordGen ( GX_TEXCOORD5, GX_TG_MTX2x4, GX_TG_TEX5, GX_IDENTITY );
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GXSetTexCoordGen ( GX_TEXCOORD6, GX_TG_MTX2x4, GX_TG_TEX6, GX_IDENTITY );
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GXSetTexCoordGen ( GX_TEXCOORD7, GX_TG_MTX2x4, GX_TG_TEX7, GX_IDENTITY );
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GXSetNumTexGens (1);
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//
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// Vtx
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//
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GXClearVtxDesc ();
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GXInvalidateVtxCache ();
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for (i=GX_VA_POS; i<=GX_LIGHT_ARRAY; i++)
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{
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GXSetArray (i, &gx, 0);
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}
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//
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// Geom width
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//
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GXSetLineWidth (6, GX_TO_ZERO);
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GXSetPointSize (6, GX_TO_ZERO);
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GXEnableTexOffsets (GX_TEXCOORD0, FALSE, FALSE);
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GXEnableTexOffsets (GX_TEXCOORD1, FALSE, FALSE);
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GXEnableTexOffsets (GX_TEXCOORD2, FALSE, FALSE);
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GXEnableTexOffsets (GX_TEXCOORD3, FALSE, FALSE);
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GXEnableTexOffsets (GX_TEXCOORD4, FALSE, FALSE);
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GXEnableTexOffsets (GX_TEXCOORD5, FALSE, FALSE);
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GXEnableTexOffsets (GX_TEXCOORD6, FALSE, FALSE);
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GXEnableTexOffsets (GX_TEXCOORD7, FALSE, FALSE);
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//
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// Pos/Normal matrix
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//
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identity_mtx[0][0] = 1.0;
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identity_mtx[0][1] = 0.0;
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identity_mtx[0][2] = 0.0;
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identity_mtx[0][3] = 0.0;
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identity_mtx[1][0] = 0.0;
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identity_mtx[1][1] = 1.0;
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identity_mtx[1][2] = 0.0;
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identity_mtx[1][3] = 0.0;
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identity_mtx[2][0] = 0.0;
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identity_mtx[2][1] = 0.0;
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identity_mtx[2][2] = 1.0;
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identity_mtx[2][3] = 0.0;
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GXLoadPosMtxImm ( identity_mtx, GX_PNMTX0 );
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GXLoadNrmMtxImm ( identity_mtx, GX_PNMTX0 );
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GXSetCurrentMtx ( GX_PNMTX0 );
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GXLoadTexMtxImm ( identity_mtx, GX_IDENTITY, GX_MTX3x4 );
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GXLoadTexMtxImm ( identity_mtx, GX_PTIDENTITY, GX_MTX3x4 );
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//
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// Culling
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//
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GXSetViewport ( 0.0, 0.0, (f32)rmode->fbWidth, (f32)rmode->xfbHeight, 0.0, 1.0 );
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GXSetCoPlanar (GX_FALSE);
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|
GXSetCullMode (GX_CULL_BACK);
|
|
GXSetClipMode (GX_CLIP_ENABLE);
|
|
GXSetScissor ( 0, 0, rmode->fbWidth, rmode->efbHeight );
|
|
GXSetScissorBoxOffset (0, 0);
|
|
|
|
//
|
|
// Lighting
|
|
//
|
|
|
|
GXSetNumChans (0);
|
|
GXSetChanCtrl ( 4, 0, 0, 1, 0, 0, 2);
|
|
var_60 = var_54;
|
|
GXSetChanAmbColor (4, var_60);
|
|
var_64 = var_58;
|
|
GXSetChanMatColor (4, var_64);
|
|
GXSetChanCtrl ( 5, 0, 0, 1, 0, 0, 2);
|
|
var_68 = var_54;
|
|
GXSetChanAmbColor (5, var_68);
|
|
var_6C = var_58;
|
|
GXSetChanMatColor (5, var_6C);
|
|
|
|
//
|
|
// Texture
|
|
//
|
|
|
|
GXInvalidateTexAll ();
|
|
|
|
gx.nextTexRgn = 0;
|
|
gx.nextTexRgnCI = 0;
|
|
|
|
GXSetTexRegionCallback (__GXDefaultTexRegionCallback);
|
|
GXSetTlutRegionCallback (__GXDefaultTlutRegionCallback);
|
|
|
|
//
|
|
// Tev
|
|
//
|
|
|
|
GXSetTevOrder (GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
|
|
GXSetTevOrder (GX_TEVSTAGE1, GX_TEXCOORD1, GX_TEXMAP1, GX_COLOR0A0);
|
|
GXSetTevOrder (GX_TEVSTAGE2, GX_TEXCOORD2, GX_TEXMAP2, GX_COLOR0A0);
|
|
GXSetTevOrder (GX_TEVSTAGE3, GX_TEXCOORD3, GX_TEXMAP3, GX_COLOR0A0);
|
|
GXSetTevOrder (GX_TEVSTAGE4, GX_TEXCOORD4, GX_TEXMAP4, GX_COLOR0A0);
|
|
GXSetTevOrder (GX_TEVSTAGE5, GX_TEXCOORD5, GX_TEXMAP5, GX_COLOR0A0);
|
|
GXSetTevOrder (GX_TEVSTAGE6, GX_TEXCOORD6, GX_TEXMAP6, GX_COLOR0A0);
|
|
GXSetTevOrder (GX_TEVSTAGE7, GX_TEXCOORD7, GX_TEXMAP7, GX_COLOR0A0);
|
|
GXSetTevOrder (GX_TEVSTAGE8, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR_NULL);
|
|
GXSetTevOrder (GX_TEVSTAGE9, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR_NULL);
|
|
GXSetTevOrder (GX_TEVSTAGE10, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR_NULL);
|
|
GXSetTevOrder (GX_TEVSTAGE11, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR_NULL);
|
|
GXSetTevOrder (GX_TEVSTAGE12, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR_NULL);
|
|
GXSetTevOrder (GX_TEVSTAGE13, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR_NULL);
|
|
GXSetTevOrder (GX_TEVSTAGE14, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR_NULL);
|
|
GXSetTevOrder (GX_TEVSTAGE15, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR_NULL);
|
|
|
|
GXSetNumTevStages (1);
|
|
|
|
GXSetTevOp (0, 3);
|
|
|
|
GXSetAlphaCompare (7, 0, 0, 7, 0);
|
|
|
|
GXSetZTexture (0, 0x11, 0);
|
|
|
|
for (i=0; i<16; i++)
|
|
{
|
|
GXSetTevKColorSel (i, 6);
|
|
GXSetTevKAlphaSel (i, 0);
|
|
GXSetTevSwapMode (i, 0, 0);
|
|
}
|
|
|
|
GXSetTevSwapModeTable (0, 0, 1, 2, 3);
|
|
GXSetTevSwapModeTable (1, 0, 0, 0, 3);
|
|
GXSetTevSwapModeTable (2, 1, 1, 1, 3);
|
|
GXSetTevSwapModeTable (3, 2, 2, 2, 3);
|
|
|
|
for (i=0; i<16; i++)
|
|
{
|
|
GXSetTevDirect (i);
|
|
}
|
|
|
|
//
|
|
// Indirect texturing
|
|
//
|
|
|
|
GXSetNumIndStages (0);
|
|
GXSetIndTexCoordScale (0, 0, 0);
|
|
GXSetIndTexCoordScale (1, 0, 0);
|
|
GXSetIndTexCoordScale (2, 0, 0);
|
|
GXSetIndTexCoordScale (3, 0, 0);
|
|
|
|
//
|
|
// Pixel engine
|
|
//
|
|
|
|
var_70 = var_54;
|
|
GXSetFog ( 0.0, 1.0, 0.1, 1.0, var_70);
|
|
GXSetFogRangeAdj (0, 0, 0);
|
|
GXSetBlendMode (0, 4, 5, 0);
|
|
GXSetColorUpdate (1);
|
|
GXSetAlphaUpdate (1);
|
|
GXSetZMode (1, 3, 1);
|
|
GXSetZCompLoc (1);
|
|
GXSetDither (1);
|
|
GXSetDstAlpha (0, 0);
|
|
GXSetPixelFmt (0, 0);
|
|
GXSetFieldMask (1, 1);
|
|
GXSetFieldMode ( rmode->field_rendering,
|
|
rmode->viHeight != rmode->xfbHeight ? 0 : 1 );
|
|
GXSetDispCopySrc (0, 0, rmode->fbWidth, rmode->efbHeight);
|
|
GXSetDispCopyDst (rmode->fbWidth, rmode->efbHeight);
|
|
GXSetDispCopyYScale ( (f32)rmode->xfbHeight / (f32)rmode->efbHeight );
|
|
GXSetCopyClamp (3);
|
|
GXSetCopyFilter (rmode->aa, rmode->sample_pattern, 1, rmode->vfilter);
|
|
GXSetDispCopyGamma (0);
|
|
GXSetDispCopyFrame2Field (0);
|
|
GXClearBoundingBox ();
|
|
|
|
//
|
|
// Efb Copy
|
|
//
|
|
|
|
GXPokeColorUpdate (1);
|
|
GXPokeAlphaUpdate (1);
|
|
GXPokeDither (0);
|
|
GXPokeBlendMode (0, 0, 1, 0xF);
|
|
GXPokeAlphaMode (7, 0);
|
|
GXPokeAlphaRead (1);
|
|
GXPokeDstAlpha (0, 0);
|
|
GXPokeZMode (1, 7, 1);
|
|
|
|
GXSetGPMetric (GX_PERF0_NONE, GX_PERF1_NONE);
|
|
GXClearGPMetric ();
|
|
}
|