Word Unperfect - XT-Emporium

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#ifndef WP_FIXED_CODES_H
#define WP_FIXED_CODES_H

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

/* Fixed-length 0xC0-0xCF record descriptors recovered from the decompiled
 * scanner/command-token paths and validated against bundled WP 5.1 document
 * bodies.  firmware_io_scanner_word_route_step routes 0xC0 as a 4-byte word
 * envelope, routes 0xC1-0xCF through a fixed-length table, and only treats
 * 0xD0+ as mirrored variable records. */
typedef struct WpFixedCodeInfo {
    uint8_t code;
    uint16_t total_length;     /* Includes leading code byte and trailing mirror when present. */
    uint16_t payload_length;   /* Bytes between lead and trailing mirror. */
    bool mirrored_trailer;
    const char *name;
} WpFixedCodeInfo;

const WpFixedCodeInfo *wp_fixed_code_info(uint8_t code);
uint16_t wp_fixed_code_total_length(uint8_t code);
const char *wp_fixed_code_name(uint8_t code);
bool wp_fixed_code_is_known(uint8_t code);

/* Small human-readable decoder for recovered fixed packets.  The returned text
 * is intentionally descriptive rather than authoritative WP UI nomenclature
 * until each packet's exact menu-level meaning is proven. */
bool wp_fixed_code_describe_payload(uint8_t code,
                                    const uint8_t *payload,
                                    uint16_t payload_length,
                                    char *out,
                                    size_t out_size);

#endif

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