DOS / Functions / 2D

                       INT 21 - DOS - SET CURRENT TIME

Input	DOS1	Y	DOS2	Y	DOS3	Y	DOS5	Y	Output
AX	2Dh						00h=OK, FFh=Err		AX
BX									BX
CX	Hours		Minutes						CX
DX	Seconds		1/100 Seconds						DX
ES:DI									CF

Note:   DOS 3.3 also sets CMOS clock

See Also 2Ah 2Bh 2Ch