Difference between revisions of "Modules/clock/Usage"

Revision as of 19:37, 7 January 2024

For example, display the current year:

RTC_Initialize();
u8 year = RTC_GetYear();
Print_DrawFormat("This year: %i", 1980 + year);

Save data to CMOS memory:

u8 saveData[6];
saveData[0] = 0xFF;
saveData[1] = 100;
saveData[2] = 0;
RTC_SaveData(saveData);

The MSX 2 real-time clock is a Ricoh RP-5C01. For more information about this device:

@@ Line 1: / Line 1: @@
+For example, display the current year:
+<syntaxhighlight lang="c">
+RTC_Initialize();
+u8 year = RTC_GetYear();
+Print_DrawFormat("This year: %i", 1980 + year);
+</syntaxhighlight>
+Save data to CMOS memory:
+<syntaxhighlight lang="c">
+u8 saveData[6];
+saveData[0] = 0xFF;
+saveData[1] = 100;
+saveData[2] = 0;
+RTC_SaveData(saveData);
+</syntaxhighlight>
 The MSX 2 real-time clock is a Ricoh RP-5C01. For more information about this device:
 * [https://map.grauw.nl/resources/rtc/ricoh_rp5c01.pdf Ricoh RP-5C01 manual] (MSX Assembly Page),
 * [https://www.msx.org/wiki/Real_Time_Clock_Programming Real Time Clock Programming] (MSX Resource Center).