Rev 10 | Only display areas with differences | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 10 | Rev 14 | ||
|---|---|---|---|
| 1 | 1 | ||
| 2 | ; Aysalia DOS Launcher |
2 | ; Aysalia DOS Launcher |
| 3 | ; DOS Stub for AyDos.exe fat binary |
3 | ; DOS Stub for AyDos.exe fat binary |
| 4 | ; Revision 2018-12-01 |
4 | ; Revision 2018-12-05 |
| 5 | ; (C) 2018 Daniel Marschall, ViaThinkSoft |
5 | ; (C) 2018 Daniel Marschall, ViaThinkSoft |
| 6 | 6 | ||
| 7 | .model tiny |
7 | .model tiny |
| 8 | .code |
8 | .code |
| 9 | org 100h |
9 | org 100h |
| 10 | 10 | ||
| 11 | start: |
11 | start: |
| 12 | 12 | ||
| 13 | jmp real_start |
13 | jmp real_start |
| 14 | 14 | ||
| 15 | exename1 db "AYDOS.MNU",0 |
15 | exename1 db "AYDOS.MNU",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 | 28 | ||
| 29 | real_start: |
29 | real_start: |
| 30 | ; Reduce size of own application to give the called applications more space |
30 | ; Reduce size of own application to give the called applications more space |
| 31 | ; TODO: Is that required for a COM file? |
- | |
| 32 | mov ah, 4ah |
31 | mov ah, 4ah |
| 33 | mov al, 00h |
- | |
| 34 | mov bx, 50 ; 50 paragraphs a 16 byte = 800 byte |
32 | mov bx, 32 ; 32 paragraphs a 16 bytes = 512 bytes |
| 35 | int 21h |
33 | int 21h |
| 36 | 34 | ||
| 37 | ; Start Menu |
35 | ; Start Menu |
| 38 | mov ah, 4bh ; execute |
36 | mov ah, 4bh ; execute |
| 39 | mov al, 00h ; load and execute |
37 | mov al, 00h ; load and execute |
| 40 | mov bx, paramblk |
38 | mov bx, paramblk |
| 41 | lea dx, exename1 |
39 | lea dx, exename1 |
| 42 | int 21h |
40 | int 21h |
| 43 | 41 | ||
| 44 | ; Return to DOS |
42 | ; Return to DOS |
| 45 | mov ah, 4ch |
43 | mov ah, 4ch |
| 46 | mov al, 00h |
44 | mov al, 00h |
| 47 | int 21h |
45 | int 21h |
| 48 | 46 | ||
| 49 | end start |
47 | end start |
| 50 | 48 | ||