--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/memmap.h	Fri Jul 06 17:39:59 2018 -0700
@@ -0,0 +1,41 @@
+#ifndef MEMMAP_H_
+#define MEMMAP_H_
+
+typedef enum {
+	READ_16,
+	READ_8,
+	WRITE_16,
+	WRITE_8
+} ftype;
+
+#define MMAP_READ      0x01
+#define MMAP_WRITE     0x02
+#define MMAP_CODE      0x04
+#define MMAP_PTR_IDX   0x08
+#define MMAP_ONLY_ODD  0x10
+#define MMAP_ONLY_EVEN 0x20
+#define MMAP_FUNC_NULL 0x40
+#define MMAP_BYTESWAP  0x80
+#define MMAP_AUX_BUFF  0x100
+#define MMAP_READ_CODE 0x200
+
+typedef uint16_t (*read_16_fun)(uint32_t address, void * context);
+typedef uint8_t (*read_8_fun)(uint32_t address, void * context);
+typedef void * (*write_16_fun)(uint32_t address, void * context, uint16_t value);
+typedef void * (*write_8_fun)(uint32_t address, void * context, uint8_t value);
+
+typedef struct {
+	uint32_t     start;
+	uint32_t     end;
+	uint32_t     mask;
+	uint32_t     aux_mask;
+	uint16_t     ptr_index;
+	uint16_t     flags;
+	void *       buffer;
+	read_16_fun  read_16;
+	write_16_fun write_16;
+	read_8_fun   read_8;
+	write_8_fun  write_8;
+} memmap_chunk;
+
+#endif //MEMMAP_H_