88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
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/*
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* thread.c
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* by Reisyukaku
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*/
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#include <wchar.h>
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#include <stdio.h>
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#include "thread.h"
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#include "lib.h"
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#include "FS.h"
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#define VRAM (unsigned char*)0x18000000
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#define FCRAM (unsigned char*)0x20000000
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#define FCRAM_EXT (unsigned char*)0x28000000
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#define ARM9_MEM (unsigned char*)0x8000000
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#define AXIWRAM (unsigned char*)0x1FF80000
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#define TOP_FRAME 0
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#define BOT_FRAME 1
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unsigned char handle[32];
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unsigned char bmpHead[] = {
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0x42, 0x4D, 0x36, 0x65, 0x04, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x28, 0x00,
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0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0xF0, 0x00,
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0x00, 0x00, 0x01, 0x00, 0x18, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x65, 0x04, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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void memdump(void* filename, void* buf, unsigned int size){
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unsigned int br = 0;
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memset(&handle, 0, 32);
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fopen9(&handle, filename, 6);
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fwrite9(&handle, &br, buf, size);
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fclose9(&handle);
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memset(VRAM+0x1E6000, 0xFF, 0x46500);
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}
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void transpose (void * dst, const void * src, unsigned dim1, unsigned dim2, unsigned item_length) {
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char * ptr_write;
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const char * ptr_read;
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unsigned x, y, z;
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for (x = 0; x < dim1; x ++) for (y = 0; y < dim2; y ++) {
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ptr_write = ((char *) dst) + item_length * (y * dim1 + x);
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ptr_read = ((const char *) src) + item_length * (x * dim2 + y);
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for (z = 0; z < item_length; z ++) *(ptr_write ++) = *(ptr_read ++);
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}
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}
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void screenShot(int frame){
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unsigned int br;
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short width = frame == 0 ? 400 : 320;
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short height = 240;
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int frameOff = frame == 0 ? 0x1E6000 : 0x48F000; //<- Defaults
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int length = frame == 0 ? 0x46500 : 0x38400;
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memset(&handle, 0, 32);
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fopen9(&handle, frame == 0 ? L"sdmc:/screen_top.bmp" : L"sdmc:/screen_bot.bmp", 6);
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transpose(FCRAM+0xF80000, VRAM+frameOff, width, height, 3);
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bmpHead[18] = frame == 0 ? 0x90 : 0x40;
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fwrite9(&handle, &br, bmpHead, 0x36);
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fwrite9(&handle, &br, FCRAM+0xF80000, length);
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fclose9(&handle);
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memset(VRAM+frameOff, 0xFF, 0x46500);
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}
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void patches(void){
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//Change version string
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for(int i = 0; i < 0x600000; i+=4){
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if(strcomp((void*)0x27B00000 - i, (void*)L"Ver.", 4)) strcopy((void*)0x27B00000 - i, (void*)L"\uE024Rei", 4);
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}
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}
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void thread(void){
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while(1){
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if(isPressed(BUTTON_SELECT | BUTTON_X)){
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screenShot(TOP_FRAME);
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screenShot(BOT_FRAME);
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}
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if(isPressed(BUTTON_START)){
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memdump(L"sdmc:/AXIWRAM.bin", AXIWRAM, 0x00080000);
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memdump(L"sdmc:/FCRAM.bin", FCRAM, 0x010000000);
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}
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patches();
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}
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__asm("SVC 0x09");
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}
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