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196 lines
6.0 KiB
C
196 lines
6.0 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlIPL
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File: ninLogoFunc.c
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Copyright 2007 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Date:: $
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$Rev$
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$Author$
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*---------------------------------------------------------------------------*/
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#include <twl.h>
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#include <sysmenu/sysmenu_lib/ARM9/sysmenu_api.h>
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#include <sysmenu/memorymap.h>
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// define data-----------------------------------------------------------
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// extern data-----------------------------------------------------------
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// function's prototype--------------------------------------------------
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static void UnCompNintendoLogo2(u16 *pLogoData, u16 *pDst, u32 *pTemp );
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static void SVC_DiffUnFilter16_16_2( u16 *pSrc, u16 *pDst );
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static s32 MEMBm_InitFunc( const u8 *pDevice, void *pRAM, const void *pParam );
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static s32 MEMBm_TerminateFunc( const u8 *pDevice );
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static u8 MEMBm_ByteStreamFunc( const u8 *pDevice );
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static u32 MEMBm_WordStreamFunc( const u8 *pDevice );
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// global variable-------------------------------------------------------
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// static variable-------------------------------------------------------
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static MIUnpackBitsParam Nin_UnPackBitsParam2 = { (8 * 8 / 2) * ( 7 * 2 ),
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1,
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4, // ƒJƒ‰<C692>[bit<69>”(4=4bit=16<31>F, 8=8bit=256<35>F)
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0,
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0 };
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// const data------------------------------------------------------------
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static const u8 Nin_Char_Diff_Huff_Table2[]={
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0x24,0xd4,0x00,0x00,
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0x0f,0x40,0x00,0x00,0x00,0x01,0x81,0x82,0x82,0x83,0x0f,0x83,0x0c,0xc3,0x03,0x83,
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0x01,0x83,0x04,0xc3,0x08,0x0e,0x02,0xc2,0x0d,0xc2,0x07,0x0b,0x06,0x0a,0x05,0x09,
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};
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const MIReadStreamCallbacks memb_ifp2={
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MEMBm_InitFunc,
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MEMBm_TerminateFunc,
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MEMBm_ByteStreamFunc,
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NULL,
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MEMBm_WordStreamFunc,
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};
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// function's description--------------------------------------------
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// Nintendoƒ<6F>ƒSƒ`ƒFƒbƒN <09>uƒŠƒ^<5E>[ƒ“<C692>@1:Nintendoƒ<6F>ƒS”FŽ¯<C5BD>¬Œ÷<C592>@0<>FŽ¸”s<E2809D>v
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BOOL SYSM_CheckNintendoLogo( u16 *pLogoData )
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{
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u16 *pLogoOrg = (u16 *)SYSROM9_NINLOGO_ADR; // ARM9‚̃VƒXƒeƒ€ROM‚̃<C38C>ƒSƒf<C692>[ƒ^‚ƃJ<C692>[ƒgƒŠƒbƒW“à‚Ì‚à‚Ì‚ð”äŠr
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u16 length = NINTENDO_LOGO_DATA_LENGTH >> 1;
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while( length-- ) {
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if( *pLogoOrg++ != *pLogoData++ ) {
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return FALSE;
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}
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}
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return TRUE;
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}
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// Nintendoƒ<6F>ƒSƒf<C692>[ƒ^‚Ì“WŠJƒ‹<C692>[ƒ`ƒ“<C692>iOBJ2Dƒ}ƒbƒvƒ‚<C692>[ƒh‚Å“WŠJ<C5A0>j
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// <20>¦tempBuffp‚É‚Í<E2809A>A0x700byte•K—v‚Å‚·<E2809A>B
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void SYSM_LoadNintendoLogo2D( u16 *pLogoData, u16 *pDst, int paletteColorIndex )
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{
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u32 work[ 0x100 / sizeof(u32) ];
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u16 *pBuffer = SYSM_Alloc( 0x700 );
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if( pBuffer == NULL ) {
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OS_Panic( "memory allocation failed.\n" );
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}
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Nin_UnPackBitsParam2.destOffset = paletteColorIndex - 1;
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UnCompNintendoLogo2( pLogoData, (u16 *)pBuffer, work );
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MI_CpuCopy16( (u16 *)( (u32)pBuffer + 0 ), pDst + 0x0000 / sizeof(u16), 0x1a0 );
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MI_CpuCopy16( (u16 *)( (u32)pBuffer + 0x1a0), pDst + 0x0400 / sizeof(u16), 0x1a0 );
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SYSM_Free( pBuffer );
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}
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void SYSM_LoadNintendoLogo1D( u16 *pLogoData, u16 *pDst, int paletteColorIndex )
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{
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u32 work[ 0x100 / sizeof(u32) ];
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u16 *pBuffer = SYSM_Alloc( 0x700 );
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if( pBuffer == NULL ) {
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OS_Panic( "memory allocation failed.\n" );
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}
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Nin_UnPackBitsParam2.destOffset = paletteColorIndex - 1;
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UnCompNintendoLogo2( pLogoData, (u16 *)pBuffer, work );
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MI_CpuCopy16( (u16 *)pBuffer, pDst, 0x340 );
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SYSM_Free( pBuffer );
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}
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/* UnCompNintendoLogo2ƒ<32><C692>[ƒN“à–ó
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<09>ƒ”z’u<E28099>æ<EFBFBD>„ dstp(0x700) temp(0x100)
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Nintendoƒ<6F>ƒS<C692>{ƒwƒbƒ_ 0x0c0
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ƒnƒtƒ}ƒ““WŠJƒoƒbƒtƒ@ 0x200
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ƒnƒtƒ}ƒ““WŠJŒã‚̃oƒbƒtƒ@ 0x0d0
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diffŒã‚̃f<C692>[ƒ^ 0x0d0
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UnpackBitsŒã‚̃f<C692>[ƒ^ 0x700
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*/
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//<2F>@Nintendoƒ<6F>ƒS“WŠJƒ‹<C692>[ƒ`ƒ“<C692>@(r0=ƒ<>ƒSˆ³<CB86>kƒf<C692>[ƒ^ r1=“WŠJ<C5A0>æƒAƒhƒŒƒX)
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#include <twl/code16.h>
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static asm void UnCompNintendoLogo2( u16 *pLogoData, u16 *pDst, u32 *pTemp )
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{
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push {r0-r2,r4, lr}
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ldr r0, =Nin_Char_Diff_Huff_Table2
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mov r1, r2 // r1 <- temp
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mov r4, r1 // r4 <- temp
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mov r2, #36
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bl MIi_CpuCopy16 // Nintendoƒ<6F>ƒS‚̈³<CB86>kƒe<C692>[ƒuƒ‹•”•ª‚Ì‚Ý‚ðƒRƒs<C692>[‚µ‚Ä‚‚é
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ldr r0, [sp, #0] // r0 <- NintendoLogoDatap
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mov r2, #36
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add r1, r4, r2 // r1 <- temp + 36
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mov r2, #NINTENDO_LOGO_DATA_LENGTH
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bl MIi_CpuCopy16 // NintendoLogoDatap‚©‚çNintendoƒ<6F>ƒSƒf<C692>[ƒ^–{‘Ì‚ðƒRƒs<C692>[‚µ‚Ä‚‚é
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mov r0, r4 // r0 <- temp
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ldr r1, [sp, #4] // r1 <- dstp
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mov r2, #1
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lsl r2, r2, #8
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add r2, r2, r1 // r2 <- dstp + 0x100
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ldr r3, =memb_ifp2 // r3 <- memb_ifp2
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bl SVC_UncompressHuffmanFromDevice // ƒnƒtƒ}ƒ““WŠJ
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ldr r0, [sp, #4]
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ldr r2, =0x0000d082
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str r2, [r0,#0]
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mov r1, r4 // temp
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bl SVC_DiffUnFilter16_16_2 // Diff“WŠJ
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mov r0, r4 // temp
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ldr r1, [sp, #4] // dstp
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ldr r2, =Nin_UnPackBitsParam2
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bl SVC_UnpackBits // ƒrƒbƒg“WŠJ
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pop {r0-r2,r4, pc}
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}
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// <20>·•ªƒtƒBƒ‹ƒ^“WŠJƒVƒXƒeƒ€ƒR<C692>[ƒ‹<C692>i16Bit<69>¨16Bit<69>j (r0=Srcp, r1=Destp)
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static asm void SVC_DiffUnFilter16_16_2( u16 *pSrc, u16 *pDst )
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{
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swi 24
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bx lr
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}
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#include <twl/codereset.h>
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// ============================================================================
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// ƒoƒCƒgƒAƒNƒZƒX‰Â”\ƒ<>ƒ‚ƒŠ—pƒAƒNƒZƒXƒ‹<C692>[ƒ`ƒ“ŒQ
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// ============================================================================
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static s32 MEMBm_InitFunc( const u8 *pDevice, void *pRAM, const void *pParam )
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{
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#pragma unused(pRAM)
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if(pParam) return (s32)MEMBm_WordStreamFunc(pDevice);
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else return 0;
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}
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static s32 MEMBm_TerminateFunc( const u8 *pDevice )
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{
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#pragma unused(pDevice)
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return 0;
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}
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static u8 MEMBm_ByteStreamFunc( const u8 *pDevice )
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{
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return *pDevice;
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}
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static u32 MEMBm_WordStreamFunc( const u8 *pDevice )
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{
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return *(u32 *)pDevice;
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}
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