diff options
Diffstat (limited to 'src/libui_sdl/main.cpp')
| -rw-r--r-- | src/libui_sdl/main.cpp | 57 |
1 files changed, 56 insertions, 1 deletions
diff --git a/src/libui_sdl/main.cpp b/src/libui_sdl/main.cpp index fcc0dd3..f65b9d1 100644 --- a/src/libui_sdl/main.cpp +++ b/src/libui_sdl/main.cpp @@ -1683,7 +1683,7 @@ void ApplyNewSettings(int type) EmuRunning = prevstatus; } - +u16 zogg(u16 val) { return (val>>8)|(val<<8);} int main(int argc, char** argv) { srand(time(NULL)); @@ -1691,6 +1691,61 @@ int main(int argc, char** argv) printf("melonDS " MELONDS_VERSION "\n"); printf(MELONDS_URL "\n"); + { + /*u8 shit[] = + { + 0x84, 0x7A, 0x88, 0x1E, 0x8D, 0x1E, 0x34, 0x02, 0x86, 0xC5, 0x45, 0x2C, 0x08, 0x00, 0x45, 0x00, + 0x00, 0x28, 0x12, 0x00, 0x00, 0x00, 0x80, 0x06, 0x37, 0x8D, 0xC0, 0xA8, 0x06, 0x5E, 0xA3, 0xAC, + 0x86, 0x90, 0x9D, 0xC5, 0x14, 0x46, 0xF9, 0xE0, 0x5B, 0x65, 0x00, 0x00, 0x00, 0x00, 0x50, 0x02, + 0x05, 0x78, 0x00, 0x00, 0x00, 0x00, 0x03, 0x69, 0x72, 0x63, 0x07, 0x67, 0x62, 0x61, 0x74, 0x65, + 0x6D, 0x70, 0x03, 0x6E + };*/ + u8 shit[] = + { + 0x00, 0xAB, 0x33, 0x28, 0x99, 0x44, 0x00, 0x09, 0xBF, 0x53, 0xC4, 0x49, 0x08, 0x00, 0x45, 0x00, + 0x00, 0x28, 0x7E, 0x00, 0x00, 0x00, 0x80, 0x06, 0x48, 0x43, 0x0A, 0x40, 0x40, 0x10, 0xA3, 0xAC, + 0x86, 0x90, 0x9C, 0x99, 0x14, 0x46, 0x31, 0x2F, 0x08, 0x59, 0x00, 0x00, 0x00, 0x00, 0x50, 0x02, + 0x05, 0x78, 0x00, 0x00, 0x00, 0x00, 0x03, 0x69, 0x72, 0x63, 0x07, 0x67, 0x62, 0x61, 0x74, 0x65, + 0x6D, 0x70, 0x03, 0x6E + }; + // 4B76 (B489) + u32 len=0x44; + u8* ipheader = &shit[0xE]; + u8* protoheader = &shit[0x22]; + u32 tcplen = 0x14;//len-0x22; + + // TCP checksum + u32 tmp = 0; + *(u16*)&protoheader[16] = 0; + tmp += zogg(*(u16*)&ipheader[12]); + printf("%04X %04X\n", zogg(*(u16*)&ipheader[12]), tmp); + tmp += zogg(*(u16*)&ipheader[14]); + printf("%04X %04X\n", zogg(*(u16*)&ipheader[14]), tmp); + tmp += zogg(*(u16*)&ipheader[16]); + printf("%04X %04X\n", zogg(*(u16*)&ipheader[16]), tmp); + tmp += zogg(*(u16*)&ipheader[18]); + printf("%04X %04X\n", zogg(*(u16*)&ipheader[18]), tmp); + tmp += zogg(0x0600); + printf("%04X %04X\n", zogg(0x600), tmp); + tmp += tcplen; + printf("%04X %04X\n", tcplen, tmp); + for (u8* i = protoheader; i < &protoheader[tcplen-1]; i += 2) + { + tmp += zogg(*(u16*)i); + printf("plarff: %d (%d) -> %04X %04X\n", + (u32)(i-protoheader), (u32)(i-&shit[0]), + zogg(*(u16*)i), tmp); + } + if (tcplen & 1) tmp += (protoheader[tcplen-1] << 8); + printf("tmp1=%04X\n", tmp); + while (tmp >> 16) + tmp = (tmp & 0xFFFF) + (tmp >> 16); + printf("tmp2=%04X\n", tmp); + tmp ^= 0xFFFF; + printf("chk = %04X\n", (tmp)); + printf("expected = B1D5, bad = 2E8C\n"); + } + if (argc > 0 && strlen(argv[0]) > 0) { int len = strlen(argv[0]); |