NEC PC-9801 - INT 1Ch

Input:

• AH = 00h
• ES:BX = data buffer

Output:

• buffer[0] = year (in two-digit BCD)
• buffer[1] = month (in BCD)
• buffer[2] = day (in BCD)
• buffer[3] = hour (in BCD)
• buffer[4] = minute (in BCD)
• buffer[5] = second (in BCD)