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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 2018-12-06 |
4 | ; Revision 2018-12-07 |
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 | ||
Line 11... | Line 11... | ||
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 |
Line 23... | Line 23... | ||
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 | 13, 10, \ |
30 | menu3 db '', 13, 10, '$' |
30 | 13, 10, \ |
31 | menu4 db '', 13, 10, '$' |
31 | 13, 10, \ |
32 | menu5 db ' Aysalia DOS',13,10,'$' |
32 | ' Aysalia DOS', 13, 10, \ |
33 | menu6 db '', 13, 10, '$' |
33 | 13, 10, \ |
34 | menu7 db '', 13, 10, '$' |
34 | 13, 10, \ |
35 | menu8 db ' Welches Spiel soll gestartet werden?',13,10,'$' |
35 | ' Welches Spiel soll gestartet werden?', 13, 10, \ |
36 | menu9 db '', 13, 10, '$' |
36 | 13, 10, \ |
37 | menu10 db ' Dr',81h,'cke eine der folgenden Tasten:',13,10,'$' |
37 | ' Dr', 81h, 'cke eine der folgenden Tasten:', 13, 10, \ |
38 | menu11 db '', 13, 10, '$' |
38 | 13, 10, \ |
39 | menu12 db ' 1 Aysalia DOS I',13,10,'$' |
39 | ' 1 Aysalia DOS I', 13, 10, \ |
40 | menu13 db ' 2 Aysalia DOS II',13,10,'$' |
40 | ' 2 Aysalia DOS II', 13, 10, \ |
41 | menu14 db '', 13, 10, '$' |
41 | 13, 10, \ |
42 | menu15 db ' 9 Beenden',13,10,'$' |
42 | ' 9 Beenden', 13, 10, \ |
43 | menu16 db '', 13, 10, '$' |
43 | 13, 10, \ |
44 | menu17 db '', 13, 10, '$' |
44 | 13, 10, \ |
45 | menu18 db '', 13, 10, '$' |
45 | 13, 10, 0 |
46 | 46 | ||
47 | error1 db '',13,10,'$' |
47 | error1 db 13, 10, \ |
48 | error2 db 'Fehler: Spiel kann nicht gestartet werden. Fehlt eine Datei?',13,10,'$' |
48 | 'Fehler: Spiel kann nicht gestartet werden. Fehlt eine Datei?', 13, 10, \ |
49 | error3 db '',13,10,'$' |
49 | 13, 10, 0 |
50 | 50 | ||
51 | gameover1 db '',13,10,'$' |
51 | gameover1 db 13, 10, \ |
52 | gameover2 db 'Spiel zu Ende!',13,10,'$' |
52 | 'Spiel zu Ende!', 13, 10, \ |
53 | gameover3 db '',13,10,'$' |
53 | 13, 10, 0 |
54 | 54 | ||
55 | ; ------------------------------------------------------- |
55 | ; ------------------------------------------------------- |
56 | 56 | ||
57 | .code |
57 | .code |
58 | 58 | ||
59 | clear_vga PROC |
59 | clear_vga PROC |
60 | mov ax, 0a000h |
60 | mov ax, 0A000h |
61 | mov es, ax |
61 | mov es, ax |
62 | xor di, di |
62 | xor di, di |
63 | mov ax, 0 |
63 | mov ax, 0 |
64 | mov cx, 64000 |
64 | mov cx, 64000 |
65 | rep stosb |
65 | rep stosb |
Line 82... | Line 82... | ||
82 | setup_paramblk ENDP |
82 | setup_paramblk ENDP |
83 | 83 | ||
84 | set_numlock_on PROC |
84 | set_numlock_on PROC |
85 | push ds |
85 | push ds |
86 | mov ax, 40h |
86 | mov ax, 40h |
87 | 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 ) |
88 | mov bx, 17h ; Load Keyboard flag byte 0 |
88 | mov bx, 17h ; Load Keyboard flag byte 0 |
89 | mov al, [bx] ; read |
89 | mov al, [bx] ; Read |
90 | or al, 20h ; set bit 5 (numlock) to 1 |
90 | or al, 20h ; Set bit 5 (numlock) to 1 |
91 | mov [bx], al ; write |
91 | mov [bx], al ; Write |
92 | pop ds |
92 | pop ds |
93 | ret |
93 | ret |
94 | set_numlock_on ENDP |
94 | set_numlock_on ENDP |
95 | 95 | ||
96 | flush_keyb_buf PROC |
96 | flush_keyb_buf PROC |
Line 99... | Line 99... | ||
99 | int 21h |
99 | int 21h |
100 | ret |
100 | ret |
101 | flush_keyb_buf ENDP |
101 | flush_keyb_buf ENDP |
102 | 102 | ||
103 | exit_to_dos PROC |
103 | exit_to_dos PROC |
104 | mov ah, 4ch |
104 | mov ah, 4Ch |
105 | mov al, 00h |
105 | mov al, 00h |
106 | int 21h |
106 | int 21h |
107 | ret |
107 | ret |
108 | exit_to_dos ENDP |
108 | exit_to_dos ENDP |
109 | 109 | ||
110 | sleep_5 PROC |
110 | sleep_5 PROC |
111 | mov ah, 00h |
111 | mov ah, 00h |
112 | int 1Ah |
112 | int 1Ah |
113 | cmp dx, 7FFFh |
113 | cmp dx, 7FFFh |
114 | jg upperhalf |
114 | jg sleep_5_upperhalf |
115 | lowerhalf: |
115 | sleep_5_lowerhalf: |
116 | mov bx, dx |
116 | mov bx, dx |
117 | add bx, 91 ; 18.2 = 1 sec (therefore 91 = 5 sec) |
117 | add bx, 91 ; 18.2 = 1 sec (therefore 91 = 5 sec) |
118 | lowerhalf_again: |
118 | sleep_5_lowerhalf_again: |
119 | int 1Ah |
119 | int 1Ah |
120 | cmp dx, bx |
120 | cmp dx, bx |
121 | jl lowerhalf_again |
121 | jl sleep_5_lowerhalf_again |
122 | ret |
122 | ret |
123 | upperhalf: |
123 | sleep_5_upperhalf: |
124 | mov bx, dx |
124 | mov bx, dx |
125 | sub bx, 7FFFh |
125 | sub bx, 7FFFh |
126 | add bx, 91 ; 18.2 = 1 sec (therefore 91 = 5 sec) |
126 | add bx, 91 ; 18.2 = 1 sec (therefore 91 = 5 sec) |
127 | upperhalf_again: |
127 | sleep_5_upperhalf_again: |
128 | int 1Ah |
128 | int 1Ah |
129 | sub dx, 7FFFh |
129 | sub dx, 7FFFh |
130 | cmp dx, bx |
130 | cmp dx, bx |
131 | jl upperhalf_again |
131 | jl sleep_5_upperhalf_again |
132 | ret |
132 | ret |
133 | sleep_5 ENDP |
133 | sleep_5 ENDP |
134 | 134 | ||
135 | print_menu_screen PROC |
135 | print_color_string PROC |
- | 136 | ; This function requires: |
|
- | 137 | ; dx = Pointer to zero terminated string |
|
- | 138 | ; cl = Color |
|
- | 139 | mov ah, 0Eh |
|
- | 140 | print_color_string_again: |
|
- | 141 | mov al, 0 |
|
- | 142 | mov bx, dx |
|
- | 143 | cmp [bx], al |
|
- | 144 | je print_color_string_end |
|
- | 145 | mov al, [bx] |
|
- | 146 | mov bl, cl |
|
- | 147 | int 10h |
|
- | 148 | add dx, 1 |
|
- | 149 | jmp print_color_string_again |
|
- | 150 | print_color_string_end: |
|
- | 151 | ret |
|
- | 152 | print_color_string ENDP |
|
- | 153 | ||
- | 154 | set_bg_color PROC |
|
- | 155 | ; This function requires: |
|
- | 156 | ; bl = Color |
|
136 | mov ah, 0Bh |
157 | mov ah, 0Bh |
137 | mov bh, 00h |
158 | mov bh, 00h |
138 | mov bl, 8 ; green |
- | |
139 | int 10h |
159 | int 10h |
- | 160 | ret |
|
- | 161 | set_bg_color ENDP |
|
140 | 162 | ||
- | 163 | print_menu_screen PROC |
|
- | 164 | ; Move cursor to 0, 0 |
|
- | 165 | mov ah, 02h ; set cursor position |
|
- | 166 | mov dh, 0 ; line |
|
- | 167 | mov dl, 0 ; column |
|
- | 168 | mov bh, 0 ; page |
|
141 | mov ah, 9 |
169 | int 10h |
- | 170 | ||
- | 171 | ; Set background color |
|
- | 172 | mov bl, 8 ; dark green background |
|
- | 173 | call set_bg_color |
|
- | 174 | ||
- | 175 | ; Set text color |
|
- | 176 | mov cl, 0Fh ; white font |
|
142 | lea dx, menu1 |
177 | lea dx, menu1 |
143 | int 21h |
- | |
144 | lea dx, menu2 |
- | |
145 | int 21h |
- | |
146 | lea dx, menu3 |
- | |
147 | int 21h |
- | |
148 | lea dx, menu4 |
- | |
149 | int 21h |
- | |
150 | lea dx, menu5 |
- | |
151 | int 21h |
- | |
152 | lea dx, menu6 |
- | |
153 | int 21h |
- | |
154 | lea dx, menu7 |
- | |
155 | int 21h |
- | |
156 | lea dx, menu8 |
- | |
157 | int 21h |
- | |
158 | lea dx, menu9 |
- | |
159 | int 21h |
- | |
160 | lea dx, menu10 |
178 | call print_color_string |
161 | int 21h |
- | |
162 | lea dx, menu11 |
- | |
163 | int 21h |
- | |
164 | lea dx, menu12 |
- | |
165 | int 21h |
- | |
166 | lea dx, menu13 |
- | |
167 | int 21h |
- | |
168 | lea dx, menu14 |
- | |
169 | int 21h |
- | |
170 | lea dx, menu15 |
- | |
171 | int 21h |
- | |
172 | lea dx, menu16 |
- | |
173 | int 21h |
- | |
174 | lea dx, menu17 |
- | |
175 | int 21h |
- | |
176 | lea dx, menu18 |
- | |
177 | int 21h |
179 | |
178 | ret |
180 | ret |
179 | print_menu_screen ENDP |
181 | print_menu_screen ENDP |
180 | 182 | ||
181 | print_error_screen PROC |
183 | print_error_screen PROC |
- | 184 | ; Move cursor to 0, 0 |
|
- | 185 | mov ah, 02h ; set cursor position |
|
182 | mov ah, 0Bh |
186 | mov dh, 0 ; line |
183 | mov bh, 00h |
187 | mov dl, 0 ; column |
184 | mov bl, 4 ; red |
188 | mov bh, 0 ; page |
185 | int 10h |
189 | int 10h |
186 | 190 | ||
- | 191 | ; Set background color |
|
- | 192 | mov bl, 4 ; dark red background |
|
- | 193 | call set_bg_color |
|
- | 194 | ||
187 | mov ah, 9 |
195 | ; Set text color |
- | 196 | mov cl, 0Fh ; white font |
|
188 | lea dx, error1 |
197 | lea dx, error1 |
189 | int 21h |
- | |
190 | lea dx, error2 |
198 | call print_color_string |
191 | int 21h |
199 | |
192 | lea dx, error3 |
- | |
193 | int 21h |
- | |
194 | ret |
200 | ret |
195 | print_error_screen ENDP |
201 | print_error_screen ENDP |
196 | 202 | ||
197 | print_gameover_screen PROC |
203 | print_gameover_screen PROC |
198 | mov ah, 0Bh |
- | |
199 | mov bh, 00h |
- | |
200 | mov bl, 4 ; red |
204 | ; Keep cursor position |
201 | int 10h |
- | |
202 | 205 | ||
- | 206 | ; Set background color |
|
- | 207 | mov bl, 4 ; dark red background |
|
- | 208 | call set_bg_color |
|
- | 209 | ||
203 | mov ah, 9 |
210 | ; Set text color |
- | 211 | mov cl, 0Fh ; white font |
|
204 | lea dx, gameover1 |
212 | lea dx, gameover1 |
205 | int 21h |
- | |
206 | lea dx, gameover2 |
213 | call print_color_string |
207 | int 21h |
214 | |
208 | lea dx, gameover3 |
- | |
209 | int 21h |
- | |
210 | ret |
215 | ret |
211 | print_gameover_screen ENDP |
216 | print_gameover_screen ENDP |
212 | 217 | ||
213 | ; ------------------------------------------------------- |
218 | ; ------------------------------------------------------- |
214 | 219 |