pcb and initial code from https://github.com/das-labor/borgware-2d.git
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91 lines
2.5 KiB
91 lines
2.5 KiB
#ifndef TETRIS_HIGHSCORE_H_
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#define TETRIS_HIGHSCORE_H_
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#include <stdint.h>
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#include "../../compat/eeprom.h"
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/**
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* indexes for different tetris variants
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*/
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enum tetris_highscore_index
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{
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TETRIS_HISCORE_TETRIS, /**< high score index for the standard variant */
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TETRIS_HISCORE_BASTET, /**< high score index for the bastet variant */
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TETRIS_HISCORE_FP, /**< high score index for the first person variant */
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TETRIS_HISCORE_PAD, /**< don't use (padding for an even array boundary)*/
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TETRIS_HISCORE_END /**< boundary for the high score array */
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};
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#ifdef NDEBUG
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typedef uint8_t tetris_highscore_index_t;
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#else
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typedef enum tetris_highscore_index tetris_highscore_index_t;
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#endif
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// global array for the high score
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extern uint16_t tetris_highscore[TETRIS_HISCORE_END] EEMEM;
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// global array for the champion's initials
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extern uint16_t tetris_highscore_name[TETRIS_HISCORE_END] EEMEM;
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/**
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* lets the user enter his initials (three characters)
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* @return name packed into a uint16_t
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*/
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uint16_t tetris_highscore_inputName(void);
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/**
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* retrieves the high score from storage (EEPROM)
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* @param nIndex the variant dependent index of the high score
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* @return the high score
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*/
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uint16_t tetris_highscore_retrieveHighscore(tetris_highscore_index_t nIndex);
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/**
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* saves the high score into the storage (EEPROM)
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* @param nIdx the variant dependent index of the high score
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* @param nHighscoreName the high score
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*/
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inline static
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void tetris_highscore_saveHighscore(tetris_highscore_index_t nIndex,
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uint16_t nHighscore)
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{
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if (nHighscore > tetris_highscore_retrieveHighscore(nIndex))
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{
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eeprom_write_word(&tetris_highscore[nIndex], nHighscore);
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}
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}
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/**
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* retrieves the champion's initials from storage (EEPROM)
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* @param nIdx the variant dependent index of the high score
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* @return the initials of the champion packed into a uint16_t
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*/
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inline static
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uint16_t tetris_highscore_retrieveHighscoreName(tetris_highscore_index_t nIdx)
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{
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uint16_t nHighscoreName =
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eeprom_read_word(&tetris_highscore_name[nIdx]);
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return nHighscoreName;
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}
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/**
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* saves the champion's initials into the storage (EEPROM)
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* @param nIndex the variant dependent index of the high score
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* @param nHighscoreName the initials of the champion packed into a uint16_t
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*/
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inline static
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void tetris_highscore_saveHighscoreName(tetris_highscore_index_t nIndex,
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uint16_t nHighscoreName)
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{
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eeprom_write_word(&tetris_highscore_name[nIndex], nHighscoreName);
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}
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#endif /*TETRIS_HIGHSCORE_H_*/
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