add eeprom_busy_wait() to some routines; better safe than sorry

src/games/tetris/highscore.c

@@ -109,6 +109,7 @@ uint16_t tetris_highscore_inputName(void)
 
 uint16_t tetris_highscore_retrieveHighScore(tetris_highscore_index_t nIndex)
 {
+	eeprom_busy_wait();
 	uint16_t nHighScore =
 			eeprom_read_word(&g_highScoreTable.nHighScore[nIndex]);
 

src/games/tetris/highscore.h

@@ -78,6 +78,7 @@ void tetris_highscore_saveHighScore(tetris_highscore_index_t nIndex,
 {
 	if (nHighScore > tetris_highscore_retrieveHighScore(nIndex))
 	{
+		eeprom_busy_wait();
 		eeprom_write_word(&g_highScoreTable.nHighScore[nIndex], nHighScore);
 	}
 }
@@ -91,6 +92,7 @@ void tetris_highscore_saveHighScore(tetris_highscore_index_t nIndex,
 inline static
 uint16_t tetris_highscore_retrieveHighScoreName(tetris_highscore_index_t nIdx)
 {
+	eeprom_busy_wait();
 	uint16_t nHighScoreName =
 			eeprom_read_word(&g_highScoreTable.nHighScoreName[nIdx]);
 
@@ -107,6 +109,7 @@ inline static
 void tetris_highscore_saveHighScoreName(tetris_highscore_index_t nIndex,
                                         uint16_t nHighscoreName)
 {
+	eeprom_busy_wait();
 	eeprom_write_word(&g_highScoreTable.nHighScoreName[nIndex], nHighscoreName);
 }
 

src/uart/uart_commands.c

@@ -97,6 +97,7 @@ static void uartcmd_erase_eeprom(void) {
 		{0xFF, 0xFF};
 #	endif
 	for (void *ee = 0; ee < (void *)E2END; ee += E2PAGESIZE) {
+		eeprom_busy_wait();
 		eeprom_update_block(eeclear, ee, E2PAGESIZE);
 	}
 #else