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

Signed-off-by: Elmar Kresse <elmar.kresse@stud.htwk-leipzig.de>
2025-07-03 15:53:46 +02:00
commit 2a94dfb8d5
10 changed files with 1121 additions and 0 deletions
--- a/main.asm
+++ b/main.asm
@ -0,0 +1,133 @@
+;****************************************
+;   Elmar Kresse 19-INB-1 (2021)
+;   main.asm
+;   file contains source code for the
+;   main operations
+;	
+;****************************************
+
+.model small
+.STACK 100h
+.486
+esc_code = 1Bh              ;esc key
+video_seg = 0B800h
+
+.data
+INCLUDE data.asm
+
+
+.code
+INCLUDE draw.asm
+INCLUDE game.asmn
+INCLUDE sound.asm
+INCLUDE logic.asm
+
+ISR1Ch:	push ds
+		push ax
+		mov ax, @DATA
+		mov ds, ax
+		pop ax
+		pop ds
+		iret
+
+;start of the main program
+;----------------------------------------------------------------------------------------------------------
+Beginn:
+
+        mov ax, @DATA
+		mov ds, ax
+		mov ax, 3
+		int 10h
+		;read old VT entry
+		mov al, 1Ch
+		mov ah, 35h
+		int 21h
+		;es:bx address old ISR
+		;save
+		mov oldIOFF, bx
+		mov oldISeg, es
+		;store new ISR
+		push ds ; store ds
+		push cs
+		pop ds	; ds <- cs
+		mov dx, OFFSET ISR1Ch ; address in ds:dx
+		mov al, 1Ch	; <vn>
+		mov ah, 25h
+		int 21h
+		pop ds	; restore ds
+
+
+        call start_programm
+
+;--------------------------------------------------------------------------------------------------------
+        
+;Endlosschleife
+;--------------------------------------------------------------------------------------------------------
+endlloop:
+        xor ax, ax          ;delete ah
+        int 16h             ;Keyboard query, waits for any key is pressed
+        cmp al, esc_code    ;If esc is not pressed, the program remains in the endless loop
+        jne short endlloop  ;jmp not equal 
+        call reset_timerisr
+        mov cx, 0
+        call start_programm
+        
+;-------------------------------------------------------------------------------------------------------
+
+;End of the program and return to DOS
+;-----------------------------------------------------------------------------------------------------  
+ende:
+
+    PUSH DS
+    MOV AX, 251Ch           	;Restore old user timer interrupt vector
+    MOV DX, [CS:old_timer]
+    MOV CX, [CS:old_segment]
+    MOV DS, CX
+    INT 21h
+    POP DS
+
+    mov ax, 0           		;reset mouse programm
+    int 33h             		;mouse interrupt
+
+    MOV ax, 3           		;Reset screen mode
+    INT 10h
+    
+    mov dx, oldIOFF 			;order is important
+	mov ax, oldISeg
+	mov ds, ax
+	mov al, 1Ch
+	mov ah, 25h
+	int 21h
+
+    mov ah, 4Ch         		;Backflow to DOS
+    int 21h
+    .stack 100h
+    end Beginn
+;---------------------------------------------------------------------------------------------------
+
+
+
+
+
+
+; Convert X: Y coordinates to fields
+; Check whether the field is free
+; if free field
+; test whether the player has won
+
+;   1  2  3      0  1  2      
+; 1|2  3  4    0|0  1  2        
+; 4|5  6  7    3|3  4  5           
+; 7|8  9  10   6|6  7  8      
+
+;8 test cases
+; 0,3,6
+; 1,4,7
+; 2,5,8
+
+; 0,1,2
+; 3,4,5
+; 6,7,8
+
+; 0,4,8
+; 6,4,2