mirror of
https://github.com/rvtr/TwlIPL.git
synced 2025-10-31 06:01:12 -04:00
CARD ROM HEADERとTWL CARD ROM HEADERの両方を表示。ヘッダCRC検査つき。
git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@2316 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
nishikawa_takeshi
parent
60459c6ddd
commit
37bab42cf1
@ -19,23 +19,34 @@
|
||||
#include <twl/hw/common/mmap_shared.h>
|
||||
#include "DEMO.h"
|
||||
|
||||
#define LABEL_COLOR (GX_RGBA(0, 31, 31, 1))
|
||||
#define VALUE_COLOR (GX_RGBA(31, 31, 31, 1))
|
||||
#define COLOR_WHITE (GX_RGBA(31, 31, 31, 1))
|
||||
#define COLOR_CYAN (GX_RGBA(0, 31, 31, 1))
|
||||
#define COLOR_RED (GX_RGBA(31, 0, 0, 1))
|
||||
#define COLOR_YELLOW (GX_RGBA(31, 31, 0, 1))
|
||||
|
||||
#define TITLE_COLOR COLOR_YELLOW
|
||||
#define LABEL_COLOR COLOR_WHITE
|
||||
#define VALUE_COLOR COLOR_WHITE
|
||||
#define OK_COLOR COLOR_CYAN
|
||||
#define NG_COLOR COLOR_RED
|
||||
|
||||
// CRC計算
|
||||
#define CRC16_INIT_VALUE 0xffff
|
||||
#define CALC_CRC16_SIZE 0x15e
|
||||
static u16 CalcCRC16(u16 start, u8 *data, int size);
|
||||
|
||||
void TwlMain(void)
|
||||
{
|
||||
ROM_Header *prh;
|
||||
ROM_Header *prhTWL, *prhNTR;
|
||||
char str[100];
|
||||
u16 row = 0;
|
||||
u16 shift = 16;
|
||||
u16 shift = 8;
|
||||
u16 crc;
|
||||
|
||||
OS_Init();
|
||||
(void)OS_EnableIrq();
|
||||
(void)OS_EnableInterrupts();
|
||||
|
||||
// この固定メモリアドレスにカードROMヘッダがある
|
||||
prh = (ROM_Header*)HW_TWL_CARD_ROM_HEADER_BUF;
|
||||
|
||||
DEMOInitCommon();
|
||||
DEMOInitVRAM();
|
||||
DEMOInitDisplayBitmap();
|
||||
@ -45,14 +56,17 @@ void TwlMain(void)
|
||||
DEMOSetBitmapGroundColor(DEMO_RGB_CLEAR);
|
||||
DEMOStartDisplay();
|
||||
|
||||
DEMOSetBitmapTextColor(GX_RGBA(31, 31, 31, 1));
|
||||
DEMODrawText( 8, 0, "Card ROM Header Checker" );
|
||||
// カードROMヘッダ: NTR互換用
|
||||
prhNTR = (ROM_Header*)HW_CARD_ROM_HEADER;
|
||||
|
||||
DEMOSetBitmapTextColor(COLOR_YELLOW);
|
||||
DEMODrawText( 8, row, "Card ROM Header" );
|
||||
row += 2 * shift;
|
||||
|
||||
row = 24;
|
||||
DEMOSetBitmapTextColor(LABEL_COLOR);
|
||||
DEMODrawText( 8, row, "Title Name:" );
|
||||
MI_CpuClear8( str, 100 );
|
||||
MI_CpuCopy8( prh->s.title_name, str, TITLE_NAME_MAX );
|
||||
MI_CpuCopy8( prhNTR->s.title_name, str, TITLE_NAME_MAX );
|
||||
DEMOSetBitmapTextColor(VALUE_COLOR);
|
||||
DEMODrawText( 96, row, str );
|
||||
row += shift;
|
||||
@ -60,27 +74,90 @@ void TwlMain(void)
|
||||
DEMOSetBitmapTextColor(LABEL_COLOR);
|
||||
DEMODrawText( 8, row, "Game Code:" );
|
||||
MI_CpuClear8( str, 100 );
|
||||
MI_CpuCopy8( prh->s.game_code, str, GAME_CODE_MAX );
|
||||
MI_CpuCopy8( prhNTR->s.game_code, str, GAME_CODE_MAX );
|
||||
DEMOSetBitmapTextColor(VALUE_COLOR);
|
||||
DEMODrawText( 96, row, str );
|
||||
row += shift;
|
||||
|
||||
DEMOSetBitmapTextColor(LABEL_COLOR);
|
||||
DEMODrawText( 8, row, "Header CRC:" );
|
||||
DEMOSetBitmapTextColor(VALUE_COLOR);
|
||||
DEMODrawText( 96, row, "0x%04x", prhNTR->s.header_crc16 );
|
||||
row += shift;
|
||||
|
||||
crc = CalcCRC16( CRC16_INIT_VALUE, (u8*)prhNTR, CALC_CRC16_SIZE );
|
||||
if( crc == prhNTR->s.header_crc16 )
|
||||
{
|
||||
DEMOSetBitmapTextColor(OK_COLOR);
|
||||
DEMODrawText( 96, row, "0x%04x OK", crc );
|
||||
}
|
||||
else
|
||||
{
|
||||
DEMOSetBitmapTextColor(NG_COLOR);
|
||||
DEMODrawText( 96, row, "0x%04x NG", crc );
|
||||
}
|
||||
row += 3 * shift;
|
||||
|
||||
// この固定メモリアドレスにTWLカードROMヘッダがある
|
||||
// これはカードROMヘッダとは異なる
|
||||
// カードROMヘッダ: NTR互換のための領域でROMヘッダのNTR互換部分だけがある
|
||||
// TWLカードROMヘッダ: NTR互換部分に加えてROMヘッダのTWLで追加された部分もある
|
||||
prhTWL = (ROM_Header*)HW_TWL_CARD_ROM_HEADER_BUF;
|
||||
|
||||
DEMOSetBitmapTextColor(COLOR_YELLOW);
|
||||
DEMODrawText( 8, row, "TWL Card ROM Header" );
|
||||
row += 2 * shift;
|
||||
|
||||
DEMOSetBitmapTextColor(LABEL_COLOR);
|
||||
DEMODrawText( 8, row, "Title Name: " );
|
||||
MI_CpuClear8( str, 100 );
|
||||
MI_CpuCopy8( prhTWL->s.title_name, str, TITLE_NAME_MAX );
|
||||
DEMOSetBitmapTextColor(VALUE_COLOR);
|
||||
DEMODrawText( 96, row, str );
|
||||
row += shift;
|
||||
|
||||
DEMOSetBitmapTextColor(LABEL_COLOR);
|
||||
DEMODrawText( 8, row, "Game Code: " );
|
||||
MI_CpuClear8( str, 100 );
|
||||
MI_CpuCopy8( prhTWL->s.game_code, str, GAME_CODE_MAX );
|
||||
DEMOSetBitmapTextColor(VALUE_COLOR);
|
||||
DEMODrawText( 96, row, str );
|
||||
row += shift;
|
||||
|
||||
DEMOSetBitmapTextColor(LABEL_COLOR);
|
||||
DEMODrawText( 8, row, "TitleID_Hi: " );
|
||||
prh = (ROM_Header*)HW_TWL_CARD_ROM_HEADER_BUF;
|
||||
prhTWL = (ROM_Header*)HW_TWL_CARD_ROM_HEADER_BUF;
|
||||
DEMOSetBitmapTextColor(VALUE_COLOR);
|
||||
DEMODrawText( 96, row, "0x%08x", prh->s.titleID_Hi );
|
||||
DEMODrawText( 96, row, "0x%08x", prhTWL->s.titleID_Hi );
|
||||
row += shift;
|
||||
|
||||
DEMOSetBitmapTextColor(LABEL_COLOR);
|
||||
DEMODrawText( 8, row, "TitleID_Lo: " );
|
||||
MI_CpuClear8( str, 100 );
|
||||
MI_CpuCopy8( prh->s.titleID_Lo, str, 4 );
|
||||
MI_CpuCopy8( prhTWL->s.titleID_Lo, str, 4 );
|
||||
DEMOSetBitmapTextColor(VALUE_COLOR);
|
||||
DEMODrawText( 96, row, str );
|
||||
row += shift;
|
||||
|
||||
DEMOSetBitmapTextColor(LABEL_COLOR);
|
||||
DEMODrawText( 8, row, "Header CRC:" );
|
||||
DEMOSetBitmapTextColor(VALUE_COLOR);
|
||||
DEMODrawText( 96, row, "0x%04x", prhTWL->s.header_crc16 );
|
||||
row += shift;
|
||||
|
||||
crc = CalcCRC16( CRC16_INIT_VALUE, (u8*)prhTWL, CALC_CRC16_SIZE );
|
||||
if( crc == prhTWL->s.header_crc16 )
|
||||
{
|
||||
DEMOSetBitmapTextColor(OK_COLOR);
|
||||
DEMODrawText( 96, row, "0x%04x OK", crc );
|
||||
}
|
||||
else
|
||||
{
|
||||
DEMOSetBitmapTextColor(NG_COLOR);
|
||||
DEMODrawText( 96, row, "0x%04x NG", crc );
|
||||
}
|
||||
row += 2 * shift;
|
||||
|
||||
DEMOSetBitmapTextColor(GX_RGBA(31, 31, 31, 1));
|
||||
DEMODrawText( 8, row, "End." );
|
||||
|
||||
@ -91,4 +168,40 @@ void TwlMain(void)
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*---------------------------------------------------------------------------*
|
||||
* Math
|
||||
*
|
||||
* u16 CalcCRC16( u16 start, u8 *data, int size )
|
||||
*---------------------------------------------------------------------------*/
|
||||
|
||||
static u16 crc16_table[16] = {
|
||||
0x0000, 0xCC01, 0xD801, 0x1400,
|
||||
0xF001, 0x3C00, 0x2800, 0xE401,
|
||||
0xA001, 0x6C00, 0x7800, 0xB401,
|
||||
0x5000, 0x9C01, 0x8801, 0x4400
|
||||
};
|
||||
|
||||
static u16 CalcCRC16(u16 start, u8 *data, int size)
|
||||
{
|
||||
u16 r1;
|
||||
u16 total = start;
|
||||
|
||||
while (size-- > 0)
|
||||
{
|
||||
// 下位4bit
|
||||
r1 = crc16_table[total & 0xf];
|
||||
total = (u16)((total >> 4) & 0x0fff);
|
||||
total = (u16)(total ^ r1 ^ crc16_table[*data & 0xf]);
|
||||
|
||||
// 上位4bit
|
||||
r1 = crc16_table[total & 0xf];
|
||||
total = (u16)((total >> 4) & 0x0fff);
|
||||
total = (u16)(total ^ r1 ^ crc16_table[(*data >> 4) & 0xf]);
|
||||
|
||||
data++;
|
||||
}
|
||||
return total;
|
||||
}
|
||||
|
||||
/*====== End of main.c ======*/
|
||||
|
||||
Loading…
Reference in New Issue
Block a user