//---
//	fxg1a:g1a - Add-in header for Casio's G1A format
//---

#ifndef FX_G1A
#define FX_G1A

#include <stdint.h>

/* TODO: eStrips are not supported yet */
struct estrip
{
	uint8_t data[80];
};

/* G1A file header with 0x200 bytes. When output to a file the standard part
   (first 0x20 bytes) of this header is bit-inverted, but the non-inverted
   version makes a lot more sens so we'll be using it. */
struct header
{				/* Offset Size  Value                       */
	char     magic[8];	/* 0x000  8     "USBPower"                  */
	uint8_t  mcs_type;	/* 0x008  1     0xf3 (AddIn)                */
	uint8_t  seq1[5];	/* 0x009  5     0x0010001000                */
	uint8_t  control1;	/* 0x00e  1     *0x13 + 0x41                */
	uint8_t  seq2;		/* 0x00f  1     0x01                        */
	uint32_t filesize_be1;	/* 0x010  4     File size, big endian       */
	uint8_t  control2;	/* 0x014  1     *0x13 + 0xb8                */
	uint8_t  _1;		/* 0x015  1     ???                         */
	uint16_t checksum;	/* 0x016  2     BE sum of 8 shorts at 0x300 */
	uint8_t  _2[6];		/* 0x018  6     ???                         */
	uint16_t mcs_objects;	/* 0x01e  2     MCS-only, unused            */
	char     internal[8];	/* 0x020  8     Internal app name with '@'  */
	uint8_t  _3[3];		/* 0x028  3     ???                         */
	uint8_t  estrips;	/* 0x02b  1     Number of estrips (0..4)    */
	uint8_t  _4[4];		/* 0x02c  4     ???                         */
	char     version[10];	/* 0x030  10    Version "MM.mm.pppp"        */
	uint8_t  _5[2];		/* 0x03a  2     ???                         */
	char     date[14];	/* 0x03c  14    Build date "yyyy.MMdd.hhmm" */
	uint8_t  _6[2];		/* 0x04a  2     ???                         */
	uint8_t  icon[68];      /* 0x04c  68    30*17 monochrome icon       */
	struct estrip estrip1;	/* 0x090  80    eStrip 1                    */
	struct estrip estrip2;	/* 0x0e0  80    eStrip 2                    */
	struct estrip estrip3;	/* 0x130  80    eStrip 3                    */
	struct estrip estrip4;	/* 0x180  80    eStrip 4                    */
	uint8_t  _7[4];		/* 0x1d0  4     ???                         */
	char     name[8];	/* 0x1d4  8     Add-in name                 */
	uint8_t  _8[20];	/* 0x1dc  20    ???                         */
	uint32_t filesize_be2;	/* 0x1f0  4     File size, big endian       */
	uint8_t  _9[12];        /* 0x1f4  12    ???                         */
};

/* A full g1a file, suitable for use with pointers */
struct g1a
{
	struct header header;
	uint8_t code[];
};

#endif /* FX_G1A */