【またも返り討ち】SDカードのデータサルベージ

先日の壊れたSDカード。
普通にPCでは読めないことが確定したので、ちょっと特殊な方法
SPIモードで読み出すことにした。

ちょいちょいっとSPIモードで読み出すプログラムを
FATシステムを使ってSDカードを使えるようにする (SH2-7144)
を参考にして作ります。

まずは、動いているSDカードでテスト
MBR:
0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
01a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
01b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 …………….
01c0: 0a 00 06 3d fd bd 87 00 00 00 79 ef 3a 00 00 00 …=……y.:…
01d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
01e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
01f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa …………..U.

おぉ読める！！
さて、壊れたSDカード
MBR:
0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
00f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
0190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
01a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
01b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
01c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
01d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
01e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….
01f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …………….

えっ？？

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