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World of Shareware - Software Farm 2
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CPROG
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DATE1.ZIP
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DOSDATE.ASM
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Assembly Source File
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1985-03-01
|
1KB
|
47 lines
; *** dosdate.asm ***
;
; IBM-PC microsoft "C" under PC-DOS
;
; Microsoft "C" callable 8088 assembly routine that uses a DOS function
; call to obtain and return the month, day, and year as integers.
;
; synopsis dosdate(&imo,&iday,&iyr);
;
; *** no function value returned ***
; int imo; 1-12
; int iday; 1-31
; int iyr; 1980-2099
;
; Written by L. Cuthbertson, May 1984
;
;**********************************************************************
;
PGROUP GROUP PROG
PROG SEGMENT BYTE PUBLIC 'PROG'
PUBLIC DOSDATE
ASSUME CS:PGROUP
;
; ********************************************************************
;
DOSDATE PROC NEAR
PUSH BP
MOV BP,SP
MOV AH,2AH ; DOS GET DATE FUNCTION NUMBER
INT 21H ; DOS FUNCTION CALL INTERRUPT
MOV AL,DH ; MOVE MONTH INTO AX
XOR AH,AH ; CLEAR HIGH BYTE
MOV DI,[BP+4] ; ADDRESS OF MONTH VARIABLE
MOV [DI],AX ; MOVE MONTH INTO MONTH VARIABLE
MOV BL,DL ; MOVE DAY INTO BX
XOR BH,BH ; CLEAR HIGH BYTE
MOV DI,[BP+6] ; ADDRESS OF DAY VARIABLE
MOV [DI],BX ; MOVE DAY INTO DAY VARIABLE
MOV DI,[BP+8] ; ADDRESS OF YEAR VARIABLE
MOV [DI],CX ; MOVE YEAR INTO YEAR VARIABLE
POP BP
RET
DOSDATE ENDP
;
PROG ENDS
END