C02/x16/include/veraclr.h02

/*********************************************
 * veraclr.h02 - Color Palette functions for *
 *               Commander X16 VERA Chip     *
 *********************************************/

/* Convert Palette Color Value  *
 * to R, G, and B Values        *
 * Args: int c - Color Value    *
 * Returns: Red Value (0-255)   *
 *          Green Value (0-255) *
 *          Blue Value (0-255)  */
char clrrgb();

/* Read Next Entry from Palette *
 * Returns: int c - Color Value */
char getcln();

/* Read Color Value from Palette *
 * Args: char i - Palette Index  *
 * Returns: int c - Color Value  */
char getclr();

/* Read Color Entries from Palette *
 * Args: i - Index into Palette    *
 *       n - Number of Entries     *
 * Requires: setdst(&array)        */
char getplt();

/* Read RGB Color from Palette    *
 * Requires: setidx()             *
 * Returns: Red Value (0-255)     *
 *          Green Value (0-255)   *
 *          Blue Value (0-255)    */
char getrgb();

/* Convert R, G, and B Values    *
 * to Palette Color Value        *
 * Args: r - Red Value (0-255)   *
 *       g - Green Value (0-255) *
 *       b - Blue Value (0-255)  *
 * Returns: int c - Color Value  */
char rgbclr();

/* Set Next Palette Entry to Color *
 * Requires: setidx()              *
 * Args: int c - Color Value       */
char setcln();

/* Write Color Value to Palette   *
 * Args: i - Index into Palette   *
 *       int c - Color Value      */
char setclr();

/* Set Vera Address to Palette Index *
 * Args: i - Index into Palette      *
 *       int c - Color Value         *
 * Returns: char b = Bank |Auto-Incr *
 *           int d = Entry Address   */
char setidx();

/* Write Color Entries to Palette  *
 * Args: i - Index into Palette    *
 *       n - Number of Entries     *
 * Requires: setsrc(&entries)      */
char setplt();

/* Set Next Palette Entry to RGB *
 * Requires: setidx()            *
 * Args: r - Red Value (0-255)   *
 *       g - Green Value (0-255) *
 *       b - Blue Value (0-255)  */
char setrgb();