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43 lines
1.1 KiB
Plaintext
43 lines
1.1 KiB
Plaintext
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/***************************************************
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* vera.h02 - Commander X16 Routines for Vera chip *
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***************************************************/
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/* Convert Palette Color Value *
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* to R, G, and B Values *
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* Args: int c - Color Value *
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* Returns: Red Value (0-15) *
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* Green Value (0-15) *
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* Blue Value (0-15) */
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char clrrgb();
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/* Read Color Value from Palette *
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* Args: char i - Palette Index *
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* Returns: int c - Color Value */
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char getclr();
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/* Read Display Controller Register *
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* Args: char r - Register Offset *
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* Returns: char v - Register Value */
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char getdcr();
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/* Read Video Output Mode *
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* Returns: m - Output Mode *
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* c - Chroma Disabled *
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* f - Current Field */
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char getvid();
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/* Convert R, G, and B Values *
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* to Palette Color Value *
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* Args: r - Red Value (0-15) *
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* g - Green Value (0-15) *
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* b - Blue Value (0-15) *
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* Returns: int c - Color Value */
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char rgbclr();
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/* Write Color Value to Palette *
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* Args: i - Index into Palette *
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* int c - Color Value *
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* Returns: int d = Entry Address */
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char setclr();
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