mirror of
https://github.com/d0k3/GodMode9.git
synced 2025-06-26 05:32:47 +00:00
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
#include "vcart.h"
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#include "gamecart.h"
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#define VFLAG_PRIV_HDR (1<<31)
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static CartData* cdata = (CartData*) VCART_BUFFER; // 128kB reserved (~64kB required)
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static bool cart_init = false;
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u32 InitVCartDrive(void) {
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cart_init = (InitCardRead(cdata) == 0);
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return cart_init ? cdata->cart_id : 0;
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}
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bool ReadVCartDir(VirtualFile* vfile, VirtualDir* vdir) {
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if ((vdir->index < 0) && !cart_init)
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InitVCartDrive();
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if (++vdir->index < 3) {
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if (!cart_init) return false;
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char name[24];
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GetCartName(name, cdata);
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memset(vfile, 0, sizeof(VirtualFile));
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vfile->keyslot = 0xFF; // unused
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if (vdir->index == 2) { // private header
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if (!(cdata->cart_type & CART_CTR)) return false;
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snprintf(vfile->name, 32, "%s-private.bin", name);
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vfile->size = PRIV_HDR_SIZE;
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vfile->flags = VFLAG_PRIV_HDR;
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} else {
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const char* ext = (cdata->cart_type & CART_CTR) ? "3ds" : "nds";
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snprintf(vfile->name, 32, "%s%s.%s", name, (vdir->index == 1) ? ".trim" : "", ext);
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vfile->size = (vdir->index == 1) ? cdata->data_size : cdata->cart_size;
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}
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return true;
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}
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return false;
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}
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int ReadVCartFile(const VirtualFile* vfile, u8* buffer, u32 offset, u32 count) {
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if (vfile->flags & VFLAG_PRIV_HDR)
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return ReadCartPrivateHeader(buffer, offset, count, cdata);
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else return ReadCartBytes(buffer, offset, count, cdata);
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}
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