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| author | Xavier Del Campo <xavi.dcr@gmail.com> | 2017-02-04 14:49:08 +0100 |
|---|---|---|
| committer | Xavier Del Campo <xavi.dcr@gmail.com> | 2017-02-04 14:49:08 +0100 |
| commit | 189ecf754d0c8131464bfdff98fb56e7752556b1 (patch) | |
| tree | 89e7d02128bbc7b2d3f5c19a3da14ec14291982a /Source/MemCard.h | |
| download | airport-189ecf754d0c8131464bfdff98fb56e7752556b1.tar.gz | |
Initial commit
Diffstat (limited to 'Source/MemCard.h')
| -rwxr-xr-x | Source/MemCard.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/Source/MemCard.h b/Source/MemCard.h new file mode 100755 index 0000000..a7ddcf8 --- /dev/null +++ b/Source/MemCard.h @@ -0,0 +1,150 @@ +#ifndef __MEMCARD_HEADER__
+#define __MEMCARD_HEADER__
+
+/* *************************************
+ * Includes
+ * *************************************/
+
+#include "Global_Inc.h"
+#include "System.h"
+#include "Pad.h"
+#include "Font.h"
+
+/* *************************************
+ * Defines
+ * *************************************/
+
+/* The memory is split into 16 blocks (of 8 Kbytes each), and each block
+ * is split into 64 sectors (of 128 bytes each). The first block is used
+ * as Directory, the remaining 15 blocks are containing Files, each
+ * file can occupy one or more blocks. */
+
+#define MEMCARD_BLOCKS_PER_CARD 15
+#define MEMCARD_NUMBER_OF_SLOTS 2
+#define MEMCARD_FILENAME_SIZE 21
+#define MEMCARD_NUMBER_OF_ICONS 3
+#define MEMCARD_ICON_SIZE 0x80
+#define MEMCARD_DATA_SIZE 0x80
+#define MEMCARD_CLUT_SIZE 32
+#define MEMCARD_GAME_FILENAME (char*)"XAVI18-18215AIRPORT"
+#define MEMCARD_FIRST_OR_LAST_DATA_SIZE 0x1E00
+#define MEMCARD_INTERMEDIATE_OR_LAST_DATA_SIZE 0x2000
+
+/* *************************************
+ * Structs and enums
+ * *************************************/
+
+typedef enum t_CardBlock
+{
+ SLOT_ONE = 0,
+ SLOT_TWO
+}MEMCARD_SLOTS;
+
+typedef enum t_MCBlocks
+{
+ DIRECTORY_BLOCK = 0,
+ BLOCK_1,
+ BLOCK_2,
+ BLOCK_3,
+ BLOCK_4,
+ BLOCK_5,
+ BLOCK_6,
+ BLOCK_7,
+ BLOCK_8,
+ BLOCK_9,
+ BLOCK_10,
+ BLOCK_11,
+ BLOCK_12,
+ BLOCK_13,
+ BLOCK_14,
+ BLOCK_15,
+}MEMCARD_BLOCKS;
+
+typedef enum t_BlockCount
+{
+ EMPTY_BLOCK = 0,
+ FIRST_OR_ONLY_BLOCK,
+ INTERMEDIATE_BLOCK,
+ LAST_BLOCK
+}MEMCARD_BLOCK_COUNT;
+
+typedef struct t_MemCard
+{
+ MEMCARD_SLOTS Slot;
+ MEMCARD_BLOCKS Block;
+ uint8_t IconNumber; // Possible values : 1 ... 3
+ uint8_t FileName[MEMCARD_FILENAME_SIZE];
+ MEMCARD_BLOCK_COUNT BlockCount; // Look at MEMCARD_BLOCK_COUNT enum
+
+ /*
+ * The first some letters of the filename should indicate the game
+ * to which the file belongs, in case of commercial games this is
+ * conventionally done like so: Two character region code:
+ * "BI"=Japan, "BE"=Europe, "BA"=America
+ * followed by 10 character game code,
+ * in "AAAA-NNNNN" form
+ *
+ * Where the "AAAA" part does imply the region too;
+ * (SLPS/SCPS=Japan, SLUS/SCUS=America, SLES/SCES=Europe)
+ * (SCxS=Made by Sony, SLxS=Licensed by Sony),
+ * followed by up to 8 characters, "abcdefgh"
+ *
+ * (which may identify the file if the game uses multiple files;
+ * this part often contains a random string which seems to be
+ * allowed to contain any chars in range of 20h..7Fh, of course it
+ * shouldn't contain "?" and "*" wildcards).*/
+
+ uint8_t Icons[MEMCARD_NUMBER_OF_ICONS][MEMCARD_ICON_SIZE];
+ uint8_t CLUT[MEMCARD_NUMBER_OF_ICONS][MEMCARD_CLUT_SIZE];
+ uint8_t * Data; // Buffer pointed to by "Data" must be 128 KB or higher!
+ GsTPoly4 IconTPoly;
+}TYPE_BLOCK_DATA;
+
+/* *************************************
+ * Global prototypes
+ * *************************************/
+
+// Inits default values for memory card blocks
+void MemCardInit(void);
+
+// Sets null values to structure pointed to by ptrBlockData.
+void MemCardResetBlockData(TYPE_BLOCK_DATA * ptrBlockData);
+
+// Loads data from all blocks for both slots. Internally, it just calls
+// MemCardGetBlockInfo multiple times and returns its result.
+// All data gets saved into MemCardData (defined below).
+bool MemCardGetAllData(void);
+
+// Fills TYPE_BLOCK_DATA structure with basic info and icons from specific block.
+// Take into account MemCardResetBlockData is automatically called first
+// to flush previous data.
+// If ptrBlockData->IconTPoly != NULL, MemCardUploadToGPU() is called.
+bool MemCardGetBlockInfo( TYPE_BLOCK_DATA * ptrBlockData,
+ MEMCARD_SLOTS slot,
+ MEMCARD_BLOCKS blockNumber );
+
+// Uploads block graphical data to GPU.
+bool MemCardUploadToGPU(TYPE_BLOCK_DATA * ptrBlockData);
+
+// To be called on every frame update (it modifies internal data)
+void MemCardHandler(void);
+
+// Reportedly, it draws icon data from a specified memory card block.
+// If current block is on the middle of a file, block containing icon data
+// is automatically searched when MemCardGetBlockInfo() is called.
+void MemCardDrawIcon(TYPE_BLOCK_DATA * ptrBlockData, short x, short y);
+
+// Loads all memory card data and shows a dialog with all icons and
+// file names.
+TYPE_BLOCK_DATA * MemCardShowMap(void);
+
+// Reportedly, saves data to memory card given input block data.
+bool MemCardSaveData(TYPE_BLOCK_DATA * ptrBlockData);
+
+/* *************************************
+ * Global variables
+ * *************************************/
+
+extern TYPE_BLOCK_DATA MemCardData[MEMCARD_BLOCKS_PER_CARD][MEMCARD_NUMBER_OF_SLOTS];
+
+#endif //__MEMCARD_HEADER__
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