mirror of
https://github.com/RevCurtisP/C02.git
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109 lines
2.9 KiB
Plaintext
109 lines
2.9 KiB
Plaintext
/*********************************************
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* veralyr.h02 - Layer control functions for *
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* Commander X16 VERA Chip *
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* Requires: x16.h02 *
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* stddef.h02 *
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* veramem.h02 *
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*********************************************/
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/* Get Layer Enabled *
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* Args: char l - Layer (0/1) *
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* Returns: $FF = Layer Enabled *
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* $00 = Disabled */
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char getenb();
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/* Get Horizontal Scroll Offset *
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* Args: char l - Layer (0/1) *
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* Returns: int d - Horizontal Scroll */
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char gethsc();
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/* Get Layer Mode *
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* Args: char l - Layer (0/1) *
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* Returns: char m - Layer Mode */
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char getmod();
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/* Get Map Base Address *
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* Args: char l - Layer (0/1) *
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* Returns: char b - Bank *
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* int d - Address */
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char getmba();
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/* Get Map Base Register *
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* Args: char l - Layer (0/1) *
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* Returns: int d - Map Base */
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char getmbs();
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//Not Implemented
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/* Get Map Size Specifier *
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* Args: char l - Layer (0/1) *
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* Returns: char w - Map Width *
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* char h - Map Height */
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char getmsz();
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/* Get Tile Base Address *
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* Args: char l - Layer (0/1) *
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* Returns: char b - Bank *
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* int d - Address */
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char gettba();
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/* Get Tile Base Register *
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* Args: char l - Layer (0/1) *
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* Returns: int d - Tile Base */
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char gettbs();
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//Not Implemented
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/* Get Tile Size Specifier *
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* Args: char l - Layer (0/1) *
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* Returns: char s - Tile Size */
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char gettsz();
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/* Get Vertical Scroll Offset *
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* Args: char l - Layer (0/1) *
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* Returns: int d - Vertical Scroll */
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char getvsc();
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/* Convert Map Size to Pixels *
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* Args: char s - Map Size Specifier *
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* Returns: int p - Size in Pixels */
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char mapsiz();
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/* Set Layer Enabled *
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* Args: char l - Layer (0/1) *
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* char e - Enabled */
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char setenb();
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/* Set Horizontal Scroll Offset *
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* Args: char l - Layer (0/1) *
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* int d - Horizontal Scroll */
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char sethsc();
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/* Set Layer Mode *
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* Args: char l - Layer (0/1) *
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* Returns: char m - Layer Mode */
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char setmod();
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/* Set Map Base Register *
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* Args: char l - Layer (0/1) *
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* int d - Map Base */
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char setmbs();
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/* Set Map Size Specifier *
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* Args: char l - Layer (0/1) *
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* char s - Map Size */
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char setmsz();
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/* Set Tile Base Register *
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* Args: char l - Layer (0/1) *
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* int d - Tile Base */
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char settbs();
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/* Set Tile Size Specifier *
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* Args: char l - Layer (0/1) *
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* char s - Tile Size */
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char settsz();
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/* Convert Tile Size to Pixels *
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* Args: char s - Tile Size Specifier *
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* Returns: int p - Size in Pixels */
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char tilsiz();
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