WebSVN – aysalia – Diff – /trunk/Aysalia DOS/Source/Menu/AyDosMnu.asm


 
; Aysalia DOS Launcher
; Launches aydos1.gam and aydos2.gam
; Revision 2018-12-06
; (C) 2018 Daniel Marschall, ViaThinkSoft
 
.model small
.stack 10h
 
; -------------------------------------------------------
 
.data
 
    exename1  db "AYDOS1.GAM",0
    exename2  db "AYDOS2.GAM",0
    cmdargs   db 0,'',0dh
 
    dummy_fcb db 36 dup(0)
 
    paramblk  dw 0          ; use environment of parent
              dw cmdargs    ; command line arguments
              dw 0          ; cmdargs_seg
              dw dummy_fcb  ; fcb1
              dw 0          ; fcb1_seg
              dw dummy_fcb  ; fcb2
              dw 0          ; fcb2_seg
 
    menu1     db '', 13, 10, '$'
    menu2     db '', 13, 10, '$'
    menu3     db '', 13, 10, '$'
    menu4     db '', 13, 10, '$'
    menu5     db '                            Aysalia DOS',13,10,'$'
    menu6     db '', 13, 10, '$'
    menu7     db '', 13, 10, '$'
    menu8     db '              Welches Spiel soll gestartet werden?',13,10,'$'
    menu9     db '', 13, 10, '$'
    menu10    db '              Dr',81h,'cke eine der folgenden Tasten:',13,10,'$'
    menu11    db '', 13, 10, '$'
    menu12    db '              1  Aysalia DOS I',13,10,'$'
    menu13    db '              2  Aysalia DOS II',13,10,'$'
    menu14    db '', 13, 10, '$'
    menu15    db '              9  Beenden',13,10,'$'
    menu16    db '', 13, 10, '$'
    menu17    db '', 13, 10, '$'
    menu18    db '', 13, 10, '$'       
   
    error1    db '',13,10,'$'
    error2    db 'Fehler: Spiel kann nicht gestartet werden. Fehlt eine Datei?',13,10,'$'
    error3    db '',13,10,'$'
 
    gameover1 db '',13,10,'$'
    gameover2 db 'Spiel zu Ende!',13,10,'$'
    gameover3 db '',13,10,'$'
 
; -------------------------------------------------------
 
.code
 
clear_vga PROC
    mov     ax, 0a000h
    mov     es, ax
    xor     di, di
    mov     ax, 0
    mov     cx, 64000
    rep     stosb
    ret
clear_vga ENDP
 
set_screen12 PROC
    mov     ah, 0         ; set screen mode
    mov     al, 12h       ; graphic mode, 640x480 pixel, 16 colors (VGA)
    int     10h
    ret
set_screen12 ENDP
 
setup_paramblk PROC
    mov     ax, cs
    mov     [paramblk +  4], ax   ; cmdargs_seg
    mov     [paramblk +  8], ax   ; fcb1_seg
    mov     [paramblk + 12], ax   ; fcb2_seg
    ret
setup_paramblk ENDP
 
set_numlock_on PROC
    push    ds
    mov     ax, 40h
    mov     ds, ax        ; go to BIOS Data Area ( http://stanislavs.org/helppc/bios_data_area.html )
    mov     bx, 17h       ; Load Keyboard flag byte 0
    mov     al, [bx]      ; read
    or      al, 20h       ; set bit 5 (numlock) to 1
    mov     [bx], al      ; write
    pop     ds
    ret
set_numlock_on ENDP
 
flush_keyb_buf PROC
    mov     ah, 0Ch       ; Flush input buffer and input 
    mov     al, 0
    int     21h
    ret
flush_keyb_buf ENDP
 
exit_to_dos PROC
    mov     ah, 4ch
    mov     al, 00h
    int     21h
    ret
exit_to_dos ENDP
 
sleep_5 PROC
    mov     ah, 0         ; function no. for read
    int     1Ah           ; get the time of day count
    add     dx, 65        ; dx=9 is 0.5 sec
    mov     bx, dx        ; store end of delay value in bx
again:
    int     1Ah
    cmp     dx, bx
    jne     again
    ret
sleep_5 ENDP
 
print_menu_screen PROC
    mov     ah, 9
    lea     dx, menu1
    int     21h
    lea     dx, menu2
    int     21h
    lea     dx, menu3
    int     21h
    lea     dx, menu4
    int     21h
    lea     dx, menu5
    int     21h
    lea     dx, menu6
    int     21h
    lea     dx, menu7
    int     21h
    lea     dx, menu8
    int     21h
    lea     dx, menu9
    int     21h
    lea     dx, menu10
    int     21h
    lea     dx, menu11
    int     21h
    lea     dx, menu12
    int     21h
    lea     dx, menu13
    int     21h
    lea     dx, menu14
    int     21h
    lea     dx, menu15
    int     21h
    lea     dx, menu16
    int     21h
    lea     dx, menu17
    int     21h
    lea     dx, menu18
    int     21h
    ret
print_menu_screen ENDP
 
print_error_screen PROC
    mov     ah, 9
    lea     dx, error1
    int     21h
    lea     dx, error2
    int     21h
    lea     dx, error3
    int     21h
    ret
print_error_screen ENDP
 
print_gameover_screen PROC
    mov     ah, 9
    lea     dx, gameover1
    int     21h
    lea     dx, gameover2
    int     21h
    lea     dx, gameover3
    int     21h
    ret
print_gameover_screen ENDP
 
; -------------------------------------------------------
 
start:
    ; Setup data segment
    mov     ax, @data     ; moving base address of data to ax
    mov     ds, ax        ; moving contents of ax into ds
                          ; data section now gets initialized                                        
 
    ; Preserve the original screen mode
    mov     ah, 0Fh       ; Query screen mode
    int     10h
    push    ax            ; actually, we are only interested in register al (screen mode), not in ah (column count)
   
    ; Change numlock to ON
    ; DOSBox has a bug where the NumLock is not correctly set to the setting of the host system,
    ; so you have to press the NumLock key twice so that DOSBox recognizes the status.
    ; see: https://sourceforge.net/p/dosbox/bugs/71/
    ;      https://superuser.com/questions/255102/is-there-a-way-to-use-the-numeric-keypad-in-dosbox/1146986
    ; Since the game uses number keys very often, we set NumLock to ON
    call    set_numlock_on
 
    ; Reduce size of own application to give the called applications more space
    ; see https://stackoverflow.com/a/10067627
    mov     ah, 4Ah
    mov     bx, 100       ; 100 paragraphs a 16 bytes = 1600 bytes
    int     21h
 
menu:
    ; Video Mode VGA 12
    call    set_screen12
 
    ; Flush keyboard buffer    
    call    flush_keyb_buf
 
    ; Print menu screen
    call    print_menu_screen
   
retry:
    ; Query keyboard input
    mov     ah, 07h       ; Direct character input, without echo
    int     21h
    cmp     al, '1'
    je      prog1
    cmp     al, '2'
    je      prog2
    cmp     al, '9'
    je      exit
 
    ; Invalid input
    jmp     retry
 
prog1:
    ; Clear screen
    call    clear_vga
 
    ; Setup parameter block for the EXEC command
    call    setup_paramblk
 
    ; Start game 1
    mov     ah, 4Bh       ; execute 
    mov     al, 00h       ; load and execute 
    mov     bx, paramblk
    lea     dx, exename1
    int     21h
   
    ; Is everything OK? Or is the GAM file missing?
    jc      error
 
    ; Notify the player that the game has finished
    jmp     gameover
 
prog2:
    ; Clear screen
    call    clear_vga
   
    ; Setup parameter block for the EXEC command
    call    setup_paramblk
 
    ; Start game 2
    mov     ah, 4Bh       ; execute 
    mov     al, 00h       ; load and execute 
    mov     bx, paramblk
    lea     dx, exename2
    int     21h
   
    ; Is everything OK? Or is the GAM file missing?
    jc      error
 
    ; Notify the player that the game has finished
    jmp     gameover
   
error:
    ; Video Mode VGA 12
    call    set_screen12
 
    ; Clear screen
    ; call    clear_vga
   
    ; Print error
    call    print_error_screen
   
    ; Give the player time to read the error message (approx 5 seconds)
    call    sleep_5
 
    ; Go back to the menu
    jmp     menu
   
gameover:
    ; Print gameover screen
    call    print_gameover_screen
 
    ; Give the player time to read the game over message (approx 5 seconds)
    call    sleep_5
 
    ; Go back to the menu
    jmp     menu
   
exit:
    ; Reset video mode to DOS default
    pop     ax            ; the video mode we have preserved at program start
    mov     ah, 0         ; set screen mode
    int     10h
 
    ; Return to DOS
    call    exit_to_dos
 
; -------------------------------------------------------
 
end start

Rev 14	Rev 17
1		1
2	; Aysalia DOS Launcher	2	; Aysalia DOS Launcher
3	; Launches aydos1.gam and aydos2.gam	3	; Launches aydos1.gam and aydos2.gam
4	; Revision 2018-12-05	4	; Revision 2018-12-06
5	; (C) 2018 Daniel Marschall, ViaThinkSoft	5	; (C) 2018 Daniel Marschall, ViaThinkSoft
6		6
7	.model small	7	.model small
8	.stack 10h	8	.stack 10h
9		9
10	; -------------------------------------------------------	10	; -------------------------------------------------------
11		11
12	.data	12	.data
13		13
14	exename1 db "AYDOS1.GAM",0	14	exename1 db "AYDOS1.GAM",0
15	exename2 db "AYDOS2.GAM",0	15	exename2 db "AYDOS2.GAM",0
16	cmdargs db 0,'',0dh	16	cmdargs db 0,'',0dh
17		17
18	dummy_fcb db 36 dup(0)	18	dummy_fcb db 36 dup(0)
19		19
20	paramblk dw 0 ; use environment of parent	20	paramblk dw 0 ; use environment of parent
21	dw cmdargs ; command line arguments	21	dw cmdargs ; command line arguments
22	dw 0 ; cmdargs_seg	22	dw 0 ; cmdargs_seg
23	dw dummy_fcb ; fcb1	23	dw dummy_fcb ; fcb1
24	dw 0 ; fcb1_seg	24	dw 0 ; fcb1_seg
25	dw dummy_fcb ; fcb2	25	dw dummy_fcb ; fcb2
26	dw 0 ; fcb2_seg	26	dw 0 ; fcb2_seg
27		27
28	menu1 db '', 13, 10, '$'	28	menu1 db '', 13, 10, '$'
29	menu2 db '', 13, 10, '$'	29	menu2 db '', 13, 10, '$'
30	menu3 db '', 13, 10, '$'	30	menu3 db '', 13, 10, '$'
31	menu4 db '', 13, 10, '$'	31	menu4 db '', 13, 10, '$'
32	menu5 db ' Aysalia DOS',13,10,'$'	32	menu5 db ' Aysalia DOS',13,10,'$'
33	menu6 db '', 13, 10, '$'	33	menu6 db '', 13, 10, '$'
34	menu7 db '', 13, 10, '$'	34	menu7 db '', 13, 10, '$'
35	menu8 db ' Welches Spiel soll gestartet werden?',13,10,'$'	35	menu8 db ' Welches Spiel soll gestartet werden?',13,10,'$'
36	menu9 db '', 13, 10, '$'	36	menu9 db '', 13, 10, '$'
37	menu10 db ' Dr',81h,'cke eine der folgenden Tasten:',13,10,'$'	37	menu10 db ' Dr',81h,'cke eine der folgenden Tasten:',13,10,'$'
38	menu11 db '', 13, 10, '$'	38	menu11 db '', 13, 10, '$'
39	menu12 db ' 1 Aysalia DOS I',13,10,'$'	39	menu12 db ' 1 Aysalia DOS I',13,10,'$'
40	menu13 db ' 2 Aysalia DOS II',13,10,'$'	40	menu13 db ' 2 Aysalia DOS II',13,10,'$'
41	menu14 db '', 13, 10, '$'	41	menu14 db '', 13, 10, '$'
42	menu15 db ' 9 Beenden',13,10,'$'	42	menu15 db ' 9 Beenden',13,10,'$'
43	menu16 db '', 13, 10, '$'	43	menu16 db '', 13, 10, '$'
44	menu17 db '', 13, 10, '$'	44	menu17 db '', 13, 10, '$'
45	menu18 db '', 13, 10, '$'	45	menu18 db '', 13, 10, '$'
46		46
-		47	error1 db '',13,10,'$'
-		48	error2 db 'Fehler: Spiel kann nicht gestartet werden. Fehlt eine Datei?',13,10,'$'
-		49	error3 db '',13,10,'$'
-		50
47	gameover1 db '',13,10,'$'	51	gameover1 db '',13,10,'$'
48	gameover2 db 'Spiel zu Ende!',13,10,'$'	52	gameover2 db 'Spiel zu Ende!',13,10,'$'
49	gameover3 db '',13,10,'$'	53	gameover3 db '',13,10,'$'
50		54
51	; -------------------------------------------------------	55	; -------------------------------------------------------
52		56
53	.code	57	.code
54		58
55	clear_vga PROC	59	clear_vga PROC
56	mov ax, 0a000h	60	mov ax, 0a000h
57	mov es, ax	61	mov es, ax
58	xor di, di	62	xor di, di
59	mov ax, 0	63	mov ax, 0
60	mov cx, 64000	64	mov cx, 64000
61	rep stosb	65	rep stosb
62	ret	66	ret
63	clear_vga ENDP	67	clear_vga ENDP
64		68
65	set_screen12 PROC	69	set_screen12 PROC
66	mov ah, 0 ; set screen mode	70	mov ah, 0 ; set screen mode
67	mov al, 12h ; graphic mode, 640x480 pixel, 16 colors (VGA)	71	mov al, 12h ; graphic mode, 640x480 pixel, 16 colors (VGA)
68	int 10h	72	int 10h
69	ret	73	ret
70	set_screen12 ENDP	74	set_screen12 ENDP
71		75
72	setup_paramblk PROC	76	setup_paramblk PROC
73	mov ax, cs	77	mov ax, cs
74	mov [paramblk + 4], ax ; cmdargs_seg	78	mov [paramblk + 4], ax ; cmdargs_seg
75	mov [paramblk + 8], ax ; fcb1_seg	79	mov [paramblk + 8], ax ; fcb1_seg
76	mov [paramblk + 12], ax ; fcb2_seg	80	mov [paramblk + 12], ax ; fcb2_seg
77	ret	81	ret
78	setup_paramblk ENDP	82	setup_paramblk ENDP
79		83
80	set_numlock_on PROC	84	set_numlock_on PROC
81	push ds	85	push ds
82	mov ax, 40h	86	mov ax, 40h
83	mov ds, ax ; go to BIOS Data Area ( http://stanislavs.org/helppc/bios_data_area.html )	87	mov ds, ax ; go to BIOS Data Area ( http://stanislavs.org/helppc/bios_data_area.html )
84	mov bx, 17h ; Load Keyboard flag byte 0	88	mov bx, 17h ; Load Keyboard flag byte 0
85	mov al, [bx] ; read	89	mov al, [bx] ; read
86	or al, 20h ; set bit 5 (numlock) to 1	90	or al, 20h ; set bit 5 (numlock) to 1
87	mov [bx], al ; write	91	mov [bx], al ; write
88	pop ds	92	pop ds
89	ret	93	ret
90	set_numlock_on ENDP	94	set_numlock_on ENDP
91		95
92	flush_keyb_buf PROC	96	flush_keyb_buf PROC
93	mov ah, 0Ch ; Flush input buffer and input	97	mov ah, 0Ch ; Flush input buffer and input
94	mov al, 0	98	mov al, 0
95	int 21h	99	int 21h
96	ret	100	ret
97	flush_keyb_buf ENDP	101	flush_keyb_buf ENDP
98		102
99	exit_to_dos PROC	103	exit_to_dos PROC
100	mov ah, 4ch	104	mov ah, 4ch
101	mov al, 00h	105	mov al, 00h
102	int 21h	106	int 21h
103	ret	107	ret
104	exit_to_dos ENDP	108	exit_to_dos ENDP
105		109
106	sleep_5 PROC	110	sleep_5 PROC
107	mov ah, 86h	111	mov ah, 0 ; function no. for read
-		112	int 1Ah ; get the time of day count
-		113	add dx, 65 ; dx=9 is 0.5 sec
-		114	mov bx, dx ; store end of delay value in bx
-		115	again:
108	mov cx, 004bh	116	int 1Ah
109	mov dx, 4000h	117	cmp dx, bx
110	int 15h	118	jne again
111	ret	119	ret
112	sleep_5 ENDP	120	sleep_5 ENDP
113		121
114	print_menu_screen PROC	122	print_menu_screen PROC
115	mov ah, 9	123	mov ah, 9
116	lea dx, menu1	124	lea dx, menu1
117	int 21h	125	int 21h
118	lea dx, menu2	126	lea dx, menu2
119	int 21h	127	int 21h
120	lea dx, menu3	128	lea dx, menu3
121	int 21h	129	int 21h
122	lea dx, menu4	130	lea dx, menu4
123	int 21h	131	int 21h
124	lea dx, menu5	132	lea dx, menu5
125	int 21h	133	int 21h
126	lea dx, menu6	134	lea dx, menu6
127	int 21h	135	int 21h
128	lea dx, menu7	136	lea dx, menu7
129	int 21h	137	int 21h
130	lea dx, menu8	138	lea dx, menu8
131	int 21h	139	int 21h
132	lea dx, menu9	140	lea dx, menu9
133	int 21h	141	int 21h
134	lea dx, menu10	142	lea dx, menu10
135	int 21h	143	int 21h
136	lea dx, menu11	144	lea dx, menu11
137	int 21h	145	int 21h
138	lea dx, menu12	146	lea dx, menu12
139	int 21h	147	int 21h
140	lea dx, menu13	148	lea dx, menu13
141	int 21h	149	int 21h
142	lea dx, menu14	150	lea dx, menu14
143	int 21h	151	int 21h
144	lea dx, menu15	152	lea dx, menu15
145	int 21h	153	int 21h
146	lea dx, menu16	154	lea dx, menu16
147	int 21h	155	int 21h
148	lea dx, menu17	156	lea dx, menu17
149	int 21h	157	int 21h
150	lea dx, menu18	158	lea dx, menu18
151	int 21h	159	int 21h
152	ret	160	ret
153	print_menu_screen ENDP	161	print_menu_screen ENDP
154		162
-		163	print_error_screen PROC
-		164	mov ah, 9
-		165	lea dx, error1
-		166	int 21h
-		167	lea dx, error2
-		168	int 21h
-		169	lea dx, error3
-		170	int 21h
-		171	ret
-		172	print_error_screen ENDP
-		173
155	print_gameover_screen PROC	174	print_gameover_screen PROC
156	mov ah, 9	175	mov ah, 9
157	lea dx, gameover1	176	lea dx, gameover1
158	int 21h	177	int 21h
159	lea dx, gameover2	178	lea dx, gameover2
160	int 21h	179	int 21h
161	lea dx, gameover3	180	lea dx, gameover3
162	int 21h	181	int 21h
163	ret	182	ret
164	print_gameover_screen ENDP	183	print_gameover_screen ENDP
165		184
166	; -------------------------------------------------------	185	; -------------------------------------------------------
167		186
168	start:	187	start:
169	; Setup data segment	188	; Setup data segment
170	mov ax, @data ; moving base address of data to ax	189	mov ax, @data ; moving base address of data to ax
171	mov ds, ax ; moving contents of ax into ds	190	mov ds, ax ; moving contents of ax into ds
172	; data section now gets initialized	191	; data section now gets initialized
173		192
174	; Preserve the original screen mode	193	; Preserve the original screen mode
175	mov ah, 0Fh ; Query screen mode	194	mov ah, 0Fh ; Query screen mode
176	int 10h	195	int 10h
177	push ax ; actually, we are only interested in register al (screen mode), not in ah (column count)	196	push ax ; actually, we are only interested in register al (screen mode), not in ah (column count)
178		197
179	; Change numlock to ON	198	; Change numlock to ON
180	; DOSBox has a bug where the NumLock is not correctly set to the setting of the host system,	199	; DOSBox has a bug where the NumLock is not correctly set to the setting of the host system,
181	; so you have to press the NumLock key twice so that DOSBox recognizes the status.	200	; so you have to press the NumLock key twice so that DOSBox recognizes the status.
182	; see: https://sourceforge.net/p/dosbox/bugs/71/	201	; see: https://sourceforge.net/p/dosbox/bugs/71/
183	; https://superuser.com/questions/255102/is-there-a-way-to-use-the-numeric-keypad-in-dosbox/1146986	202	; https://superuser.com/questions/255102/is-there-a-way-to-use-the-numeric-keypad-in-dosbox/1146986
184	; Since the game uses number keys very often, we set NumLock to ON	203	; Since the game uses number keys very often, we set NumLock to ON
185	call set_numlock_on	204	call set_numlock_on
186		205
187	; Reduce size of own application to give the called applications more space	206	; Reduce size of own application to give the called applications more space
188	; see https://stackoverflow.com/a/10067627	207	; see https://stackoverflow.com/a/10067627
189	mov ah, 4Ah	208	mov ah, 4Ah
190	mov bx, 100 ; 100 paragraphs a 16 bytes = 1600 bytes	209	mov bx, 100 ; 100 paragraphs a 16 bytes = 1600 bytes
191	int 21h	210	int 21h
192		211
193	menu:	212	menu:
194	; Video Mode VGA 12	213	; Video Mode VGA 12
195	call set_screen12	214	call set_screen12
196		215
197	; Flush keyboard buffer	216	; Flush keyboard buffer
198	call flush_keyb_buf	217	call flush_keyb_buf
199		218
200	; Print menu screen	219	; Print menu screen
201	call print_menu_screen	220	call print_menu_screen
202		221
203	retry:	222	retry:
204	; Query keyboard input	223	; Query keyboard input
205	mov ah, 07h ; Direct character input, without echo	224	mov ah, 07h ; Direct character input, without echo
206	int 21h	225	int 21h
207	cmp al, '1'	226	cmp al, '1'
208	je prog1	227	je prog1
209	cmp al, '2'	228	cmp al, '2'
210	je prog2	229	je prog2
211	cmp al, '9'	230	cmp al, '9'
212	je exit	231	je exit
213		232
214	; Invalid input	233	; Invalid input
215	jmp retry	234	jmp retry
216		235
217	prog1:	236	prog1:
218	; Clear screen	237	; Clear screen
219	call clear_vga	238	call clear_vga
220		239
221	; Setup parameter block for the EXEC command	240	; Setup parameter block for the EXEC command
222	call setup_paramblk	241	call setup_paramblk
223		242
224	; Start game 1	243	; Start game 1
225	mov ah, 4Bh ; execute	244	mov ah, 4Bh ; execute
226	mov al, 00h ; load and execute	245	mov al, 00h ; load and execute
227	mov bx, paramblk	246	mov bx, paramblk
228	lea dx, exename1	247	lea dx, exename1
229	int 21h	248	int 21h
230		249
-		250	; Is everything OK? Or is the GAM file missing?
-		251	jc error
-		252
231	; Notify the player that the game has finished	253	; Notify the player that the game has finished
232	jmp gameover	254	jmp gameover
233		255
234	prog2:	256	prog2:
235	; Clear screen	257	; Clear screen
236	call clear_vga	258	call clear_vga
237		259
238	; Setup parameter block for the EXEC command	260	; Setup parameter block for the EXEC command
239	call setup_paramblk	261	call setup_paramblk
240		262
241	; Start game 2	263	; Start game 2
242	mov ah, 4Bh ; execute	264	mov ah, 4Bh ; execute
243	mov al, 00h ; load and execute	265	mov al, 00h ; load and execute
244	mov bx, paramblk	266	mov bx, paramblk
245	lea dx, exename2	267	lea dx, exename2
246	int 21h	268	int 21h
247		269
-		270	; Is everything OK? Or is the GAM file missing?
-		271	jc error
-		272
248	; Notify the player that the game has finished	273	; Notify the player that the game has finished
249	jmp gameover	274	jmp gameover
250		275
-		276	error:
-		277	; Video Mode VGA 12
-		278	call set_screen12
-		279
-		280	; Clear screen
-		281	; call clear_vga
-		282
-		283	; Print error
-		284	call print_error_screen
-		285
-		286	; Give the player time to read the error message (approx 5 seconds)
-		287	call sleep_5
-		288
-		289	; Go back to the menu
-		290	jmp menu
-		291
251	gameover:	292	gameover:
252	; Print gameover screen	293	; Print gameover screen
253	call print_gameover_screen	294	call print_gameover_screen
254		295
255	; Give the player time to read the game over message (approx 5 seconds)	296	; Give the player time to read the game over message (approx 5 seconds)
256	call sleep_5	297	call sleep_5
257		298
258	; Go back to the menu	299	; Go back to the menu
259	jmp menu	300	jmp menu
260		301
261	exit:	302	exit:
262	; Reset video mode to DOS default	303	; Reset video mode to DOS default
263	pop ax ; the video mode we have preserved at program start	304	pop ax ; the video mode we have preserved at program start
264	mov ah, 0 ; set screen mode	305	mov ah, 0 ; set screen mode
265	int 10h	306	int 10h
266		307
267	; Return to DOS	308	; Return to DOS
268	call exit_to_dos	309	call exit_to_dos
269		310
270	; -------------------------------------------------------	311	; -------------------------------------------------------
271		312
272	end start	313	end start

Subversion Repositories aysalia

aysalia/trunk/Aysalia DOS/Source/Menu/AyDosMnu.asm – Rev 14 → 17