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TRSOURCE.EXE
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_TR_GETC.ASM
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Assembly Source File
|
1990-10-22
|
991b
|
37 lines
; _TR_GETC.ASM
;
; by Ralph Davis, Leonard Zerman
; modified by Rick Spence
;
; Placed in the public domain by Tom Rettig Associates, 10/22/1990.
;
PUBLIC __TR_GETCH
;*******************************
_TR_GETC_TEXT SEGMENT BYTE PUBLIC 'CODE'
ASSUME CS:_TR_GETC_TEXT
;-------------------------------
__TR_GETCH PROC FAR
;
; SYNTAX: __tr_getch()
;
; RETURNS: Single character entered at keyboard
; (Does not wait for <RETURN> key)
;
;----------------------
MOV AH,7 ; Use function call 7
; to avoid Ctrl-Break checking
; (get key)
INT 21H
CBW ; Fill AX with AL sign-extended
; (i.e. convert char to int)
RET
__TR_GETCH ENDP
;-----------------------------
_TR_GETC_TEXT ENDS
;*****************************
END