Add initial source files for Tic-Tac-Toe game implementation

Signed-off-by: Elmar Kresse <elmar.kresse@stud.htwk-leipzig.de>

data.asm

@@ -0,0 +1,49 @@
+;****************************************
+;   Elmar Kresse 19-INB-1 (2021)
+;   data.asm
+;   file contains variables and constant
+;   for music, drawing, text and game
+;
+;****************************************
+
+
+;Sounds
+placeSound DD 4070, 100000 ; Note with pause
+placeSoundLength = $ - placeSound
+
+gameOverSound DD 4560, 100000, 4304, 50000, 7239, 100000, 9121, 200000
+gameOverSoundLength = $ - gameOverSound
+
+
+;coordinates and size
+x_wert DW ?                 ;16 Bit variable
+y_wert DW ?                 ;16 Bit variable
+d_wert DW ?                 ;16 Bit variable
+
+
+spieler DW ?    ;current player (0,1)
+field DW ?      ;selected field (0-8)
+balance dw 0    ;balance for check won (3 = 3 in a row)
+
+
+;Player Arrays
+player1 DW 0,0,0,0,0,0,0,0,0
+player2 DW 0,0,0,0,0,0,0,0,0
+
+;main menue strings
+title_str DB "TIC-TAC-TOE$"
+signature_str DB "[Elmar Kresse 19INB]$"
+choose1_str DB "1 - Mensch gegen Mensch$"
+choose2_str DB "2 - Verlassen$"
+cross_win DB  "Kreuz hat gewonnen$"
+circle_win DB "Kreis hat gewonnen$"
+draw DB "Unentschieden$"
+
+;reset ISR var
+oldIOFF DW ?
+oldISeg DW ?
+
+;timer vector vars
+old_timer DW 0         ;original int 1c vector
+old_segment DW 0       ;original int 1c segment  
+timer_ticks DW 0       ;timer_ticks