Int 60 u - Hp 95lx System Manager - "m_telltime" - Display Timestamp [b]

DI = 0B08h
STACK: 2 WORDs unused dummies (for calls from high level languages)
WORD timestamp format (see #2964)
WORD row (-3 is topmost, 0 is first non-reserved line)
WORD column

Return: ???
STACK unchanged

Bitfields for HP 95LX timestamp format:
Bit(s) Description (Table 2964)
1-0 timestamp components
00 date only
01 time only
10 date and time
11 day and date
4 supply am/pm
5 supply seconds
6 show year
7 four-digit year