mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-02 16:14:18 +01:00
280 lines
7.1 KiB
C
280 lines
7.1 KiB
C
#include <stdio.h>
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#include <ogcsys.h>
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#include <string.h>
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#include "apploader.h"
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#include "wdvd.h"
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#include "patchcode.h"
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#include "disc.h"
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#include "videopatch.h"
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#include "wip.h"
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#include "wbfs.h"
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#include "sys.h"
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#include "gecko.h"
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/* Apploader function pointers */
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typedef int (*app_main)(void **dst, int *size, int *offset);
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typedef void (*app_init)(void (*report)(const char *fmt, ...));
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typedef void *(*app_final)();
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typedef void (*app_entry)(void (**init)(void (*report)(const char *fmt, ...)), int (**main)(), void *(**final)());
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/* Constants */
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#define APPLDR_OFFSET 0x2440
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/* Variables */
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static u32 buffer[0x20] ATTRIBUTE_ALIGN(32);
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static bool maindolpatches(void *dst, int len, u8 vidMode, GXRModeObj *vmode, bool vipatch, bool countryString, u8 patchVidModes);
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static bool Remove_001_Protection(void *Address, int Size);
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static bool PrinceOfPersiaPatch();
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static void __noprint(const char *fmt, ...)
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{
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}
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s32 Apploader_Run(entry_point *entry, u8 vidMode, GXRModeObj *vmode, bool vipatch, bool countryString, u8 patchVidModes)
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{
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void *dst = NULL;
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int len = 0;
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int offset = 0;
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app_init appldr_init;
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app_main appldr_main;
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app_final appldr_final;
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/* Read apploader header */
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s32 ret = WDVD_Read(buffer, 0x20, APPLDR_OFFSET);
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if (ret < 0) return ret;
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/* Calculate apploader length */
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u32 appldr_len = buffer[5] + buffer[6];
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SYS_SetArena1Hi(APPLOADER_END);
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/* Read apploader code */
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// Either you limit memory usage or you don't touch the heap after that, because this is writing at 0x1200000
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ret = WDVD_Read(APPLOADER_START, appldr_len, APPLDR_OFFSET + 0x20);
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if (ret < 0) return ret;
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DCFlushRange(APPLOADER_START, appldr_len);
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/* Set apploader entry function */
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app_entry appldr_entry = (app_entry)buffer[4];
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/* Call apploader entry */
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appldr_entry(&appldr_init, &appldr_main, &appldr_final);
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/* Initialize apploader */
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appldr_init(__noprint);
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bool hookpatched = false;
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while (appldr_main(&dst, &len, &offset))
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{
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/* Read data from DVD */
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WDVD_Read(dst, len, (u64)(offset << 2));
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if(maindolpatches(dst, len, vidMode, vmode, vipatch, countryString, patchVidModes))
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hookpatched = true;
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}
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if (hooktype != 0 && !hookpatched)
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{
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gprintf("Error: Could not patch the hook\n");
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gprintf("Ocarina and debugger won't work\n");
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}
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PrinceOfPersiaPatch();
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/* Set entry point from apploader */
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*entry = appldr_final();
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IOSReloadBlock(IOS_GetVersion());
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*(vu32 *)0x80003140 = *(vu32 *)0x80003188; // IOS Version Check
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*(vu32 *)0x80003180 = *(vu32 *)0x80000000; // Game ID Online Check
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*(vu32 *)0x80003184 = 0x80000000;
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DCFlushRange((void*)0x80000000, 0x3f00);
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return 0;
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}
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void PatchCountryStrings(void *Address, int Size)
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{
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u8 SearchPattern[4] = {0x00, 0x00, 0x00, 0x00};
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u8 PatchData[4] = {0x00, 0x00, 0x00, 0x00};
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u8 *Addr = (u8*)Address;
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int wiiregion = CONF_GetRegion();
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switch (wiiregion)
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{
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case CONF_REGION_JP:
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SearchPattern[0] = 0x00;
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SearchPattern[1] = 'J';
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SearchPattern[2] = 'P';
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break;
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case CONF_REGION_EU:
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SearchPattern[0] = 0x02;
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SearchPattern[1] = 'E';
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SearchPattern[2] = 'U';
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break;
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case CONF_REGION_KR:
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SearchPattern[0] = 0x04;
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SearchPattern[1] = 'K';
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SearchPattern[2] = 'R';
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break;
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case CONF_REGION_CN:
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SearchPattern[0] = 0x05;
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SearchPattern[1] = 'C';
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SearchPattern[2] = 'N';
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break;
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case CONF_REGION_US:
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default:
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SearchPattern[0] = 0x01;
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SearchPattern[1] = 'U';
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SearchPattern[2] = 'S';
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}
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switch (((const u8 *)0x80000000)[3])
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{
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case 'J':
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PatchData[1] = 'J';
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PatchData[2] = 'P';
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break;
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case 'D':
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case 'F':
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case 'P':
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case 'X':
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case 'Y':
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PatchData[1] = 'E';
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PatchData[2] = 'U';
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break;
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case 'E':
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default:
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PatchData[1] = 'U';
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PatchData[2] = 'S';
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}
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while (Size >= 4)
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if (Addr[0] == SearchPattern[0] && Addr[1] == SearchPattern[1] && Addr[2] == SearchPattern[2] && Addr[3] == SearchPattern[3])
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{
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//*Addr = PatchData[0];
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Addr += 1;
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*Addr = PatchData[1];
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Addr += 1;
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*Addr = PatchData[2];
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Addr += 1;
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//*Addr = PatchData[3];
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Addr += 1;
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Size -= 4;
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}
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else
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{
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Addr += 4;
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Size -= 4;
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}
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}
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static bool PrinceOfPersiaPatch()
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{
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if (memcmp("SPX", (char *)0x80000000, 3) == 0 || memcmp("RPW", (char *)0x80000000, 3) == 0)
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{
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u8 *p = (u8 *)0x807AEB6A;
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*p++ = 0x6F;
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*p++ = 0x6A;
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*p++ = 0x7A;
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*p++ = 0x6B;
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p = (u8 *)0x807AEB75;
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*p++ = 0x69;
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*p++ = 0x39;
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*p++ = 0x7C;
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*p++ = 0x7A;
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p = (u8 *)0x807AEB82;
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*p++ = 0x68;
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*p++ = 0x6B;
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*p++ = 0x73;
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*p++ = 0x76;
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p = (u8 *)0x807AEB92;
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*p++ = 0x75;
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*p++ = 0x70;
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*p++ = 0x80;
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*p++ = 0x71;
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p = (u8 *)0x807AEB9D;
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*p++ = 0x6F;
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*p++ = 0x3F;
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*p++ = 0x82;
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*p++ = 0x80;
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return true;
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}
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return false;
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}
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bool NewSuperMarioBrosPatch(void *Address, int Size)
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{
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if (memcmp("SMN", (char *)0x80000000, 3) == 0)
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{
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u8 SearchPattern1[32] = {// PAL
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0x94, 0x21, 0xFF, 0xD0, 0x7C, 0x08, 0x02, 0xA6,
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0x90, 0x01, 0x00, 0x34, 0x39, 0x61, 0x00, 0x30,
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0x48, 0x12, 0xD9, 0x39, 0x7C, 0x7B, 0x1B, 0x78,
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0x7C, 0x9C, 0x23, 0x78, 0x7C, 0xBD, 0x2B, 0x78};
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u8 SearchPattern2[32] = {// NTSC
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0x94, 0x21, 0xFF, 0xD0, 0x7C, 0x08, 0x02, 0xA6,
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0x90, 0x01, 0x00, 0x34, 0x39, 0x61, 0x00, 0x30,
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0x48, 0x12, 0xD7, 0x89, 0x7C, 0x7B, 0x1B, 0x78,
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0x7C, 0x9C, 0x23, 0x78, 0x7C, 0xBD, 0x2B, 0x78};
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u8 PatchData[4] = {0x4E, 0x80, 0x00, 0x20};
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void *Addr = Address;
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void *Addr_end = Address+Size;
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while (Addr <= Addr_end-sizeof(SearchPattern1))
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{
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if ( memcmp(Addr, SearchPattern1, sizeof(SearchPattern1))==0
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|| memcmp(Addr, SearchPattern2, sizeof(SearchPattern2))==0)
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{
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memcpy(Addr,PatchData,sizeof(PatchData));
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return true;
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}
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Addr += 4;
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}
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}
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return false;
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}
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static bool maindolpatches(void *dst, int len, u8 vidMode, GXRModeObj *vmode, bool vipatch, bool countryString, u8 patchVidModes)
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{
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bool ret = false;
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DCFlushRange(dst, len);
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patchVideoModes(dst, len, vidMode, vmode, patchVidModes);
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if (hooktype != 0) ret = dogamehooks(dst, len, false);
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if (vipatch) vidolpatcher(dst, len);
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if (configbytes[0] != 0xCD) langpatcher(dst, len);
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if (countryString) PatchCountryStrings(dst, len); // Country Patch by WiiPower
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Remove_001_Protection(dst, len);
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// NSMB Patch by WiiPower
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NewSuperMarioBrosPatch(dst,len);
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do_wip_code((u8 *) dst, len);
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DCFlushRange(dst, len);
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return ret;
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}
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static bool Remove_001_Protection(void *Address, int Size)
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{
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static const u8 SearchPattern[] = {0x40, 0x82, 0x00, 0x0C, 0x38, 0x60, 0x00, 0x01, 0x48, 0x00, 0x02, 0x44, 0x38, 0x61, 0x00, 0x18};
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static const u8 PatchData[] = {0x40, 0x82, 0x00, 0x04, 0x38, 0x60, 0x00, 0x01, 0x48, 0x00, 0x02, 0x44, 0x38, 0x61, 0x00, 0x18};
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u8 *Addr_end = Address + Size;
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u8 *Addr;
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for (Addr = Address; Addr <= Addr_end - sizeof SearchPattern; Addr += 4)
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if (memcmp(Addr, SearchPattern, sizeof SearchPattern) == 0)
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{
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memcpy(Addr, PatchData, sizeof PatchData);
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return true;
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}
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return false;
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} |