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C02/x16/include/veraclr.h02
2019-10-27 14:25:30 -04:00

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/*********************************************
* 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();