initial commit

atari800/src/colours_pal.h

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+#ifndef COLOURS_PAL_H_
+#define COLOURS_PAL_H_
+
+#include "colours.h"
+#include "colours_external.h"
+
+/* PAL palette's current setup. */
+extern Colours_setup_t COLOURS_PAL_setup;
+/* External PAL palette. */
+extern COLOURS_EXTERNAL_t COLOURS_PAL_external;
+
+/* Updates the PAL palette - should be called after changing palette setup
+   or loading/unloading an external palette. */
+void COLOURS_PAL_Update(int colourtable[256]);
+
+/* Restores default values for PAL-specific colour controls.
+   Colours_PAL_Update should be called afterwards to apply changes. */
+void COLOURS_PAL_RestoreDefaults(void);
+
+/* Read/write to configuration file. */
+int COLOURS_PAL_ReadConfig(char *option, char *ptr);
+void COLOURS_PAL_WriteConfig(FILE *fp);
+
+/* PAL Colours initialisation and processing of command-line arguments. */
+int COLOURS_PAL_Initialise(int *argc, char *argv[]);
+
+/* Function for getting the PAL-specific color preset. */
+Colours_preset_t COLOURS_PAL_GetPreset(void);
+
+/* Writes the PAL palette (generated or external) as {Y, even U, odd U,
+   even V, odd V} quintuples in YUV_TABLE. */
+void COLOURS_PAL_GetYUV(double yuv_table[256*5]);
+
+#endif /* COLOURS_PAL_H_ */