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 (0-15)   *
 *          Green Value (0-15) *
 *          Blue Value (0-15)  */
char clrrgb();

/* 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();

/* Convert R, G, and B Values   *
 * to Palette Color Value       *
 * Args: r - Red Value (0-15)   *
 *       g - Green Value (0-15) *
 *       b - Blue Value (0-15)  *
 * Returns: int c - Color Value */
char rgbclr();

/* Write Color Value to Palette   *
 * Args: i - Index into Palette   *
 *       int c - Color Value      *
 * Returns: int d = Entry Address */
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();