DOS / Interrupts / Int 2F / 12/1D


                    DOS INTERNAL SERVICES - Calculate Date

Input	DOS1	N	DOS2	N	DOS3	Y	DOS5	Y	Output
AX	12h		1Dh						AX
BX									BX
CX	0000h				Month				CX
DX	Total Day Count this Year				Day				DX
DS:SI	Pointer to Days Per Month Table								CF