main
	RTC_init
		Soft_I2C_Init
		RTC_Write
			Soft_I2C_Start
				Delay_1us
				PutZerosToLATSda
				PutZerosToLATScl
			Soft_I2C_Write
				Delay_1us
				PutZerosToLATScl
				PutZerosToLATSda
			Soft_I2C_Stop
				PutZerosToLATSda
				Delay_1us
	Digit1
	Digit4
	keys
		RTC_Write
			Soft_I2C_Start
				Delay_1us
				PutZerosToLATSda
				PutZerosToLATScl
			Soft_I2C_Write
				Delay_1us
				PutZerosToLATScl
				PutZerosToLATSda
			Soft_I2C_Stop
				PutZerosToLATSda
				Delay_1us
	RTC_Read
		Soft_I2C_Start
			Delay_1us
			PutZerosToLATSda
			PutZerosToLATScl
		Soft_I2C_Write
			Delay_1us
			PutZerosToLATScl
			PutZerosToLATSda
		Soft_I2C_Read
			Delay_1us
			PutZerosToLATScl
			PutZerosToLATSda
		Soft_I2C_Stop
			PutZerosToLATSda
			Delay_1us
	delay
	Digit2
	Digit3
