60 lines
2.5 KiB
C
60 lines
2.5 KiB
C
//---
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// fxg1a:g1a - Add-in header for Casio's G1A format
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//---
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#ifndef FX_G1A
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#define FX_G1A
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#include <stdint.h>
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/* TODO: eStrips are not supported yet */
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struct estrip
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{
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uint8_t data[80];
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};
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/* G1A file header with 0x200 bytes. When output to a file the standard part
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(first 0x20 bytes) of this header is bit-inverted, but the non-inverted
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version makes a lot more sens so we'll be using it. */
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struct header
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{ /* Offset Size Value */
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char magic[8]; /* 0x000 8 "USBPower" */
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uint8_t mcs_type; /* 0x008 1 0xf3 (AddIn) */
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uint8_t seq1[5]; /* 0x009 5 0x0010001000 */
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uint8_t control1; /* 0x00e 1 *0x13 + 0x41 */
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uint8_t seq2; /* 0x00f 1 0x01 */
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uint32_t filesize_be1; /* 0x010 4 File size, big endian */
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uint8_t control2; /* 0x014 1 *0x13 + 0xb8 */
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uint8_t _1; /* 0x015 1 ??? */
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uint16_t checksum; /* 0x016 2 BE sum of 8 shorts at 0x300 */
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uint8_t _2[6]; /* 0x018 6 ??? */
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uint16_t mcs_objects; /* 0x01e 2 MCS-only, unused */
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char internal[8]; /* 0x020 8 Internal app name with '@' */
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uint8_t _3[3]; /* 0x028 3 ??? */
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uint8_t estrips; /* 0x02b 1 Number of estrips (0..4) */
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uint8_t _4[4]; /* 0x02c 4 ??? */
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char version[10]; /* 0x030 10 Version "MM.mm.pppp" */
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uint8_t _5[2]; /* 0x03a 2 ??? */
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char date[14]; /* 0x03c 14 Build date "yyyy.MMdd.hhmm" */
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uint8_t _6[2]; /* 0x04a 2 ??? */
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uint8_t icon[68]; /* 0x04c 68 30*17 monochrome icon */
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struct estrip estrip1; /* 0x090 80 eStrip 1 */
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struct estrip estrip2; /* 0x0e0 80 eStrip 2 */
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struct estrip estrip3; /* 0x130 80 eStrip 3 */
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struct estrip estrip4; /* 0x180 80 eStrip 4 */
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uint8_t _7[4]; /* 0x1d0 4 ??? */
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char name[8]; /* 0x1d4 8 Add-in name */
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uint8_t _8[20]; /* 0x1dc 20 ??? */
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uint32_t filesize_be2; /* 0x1f0 4 File size, big endian */
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uint8_t _9[12]; /* 0x1f4 12 ??? */
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};
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/* A full g1a file, suitable for use with pointers */
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struct g1a
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{
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struct header header;
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uint8_t code[];
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};
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#endif /* FX_G1A */
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