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| Rev | Author | Line No. | Line |
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| 431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| 2 | ;; ;; |
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| 3 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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| 4 | ;; Distributed under terms of the GNU General Public License ;; |
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| 5 | ;; ;; |
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| 6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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| 7 | |||
| 593 | mikedld | 8 | $Revision: 1276 $ |
| 9 | |||
| 10 | |||
| 1 | ha | 11 | ; |
| 12 | ; Call of videomode driver's functions |
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| 13 | ; |
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| 14 | ; (Add in System function 21 (and/or 26) as a subfunction 13) |
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| 15 | ; |
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| 16 | ; Author: Trans |
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| 17 | ; Date: 19.07.2003 |
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| 18 | ; |
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| 19 | ; Include in MeOS kernel and compile with FASM |
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| 20 | ; |
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| 49 | mikedld | 21 | |
| 22 | uglobal |
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| 23 | old_screen_width dd ? |
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| 24 | old_screen_height dd ? |
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| 25 | endg |
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| 26 | |||
| 1276 | Lrz | 27 | ; cmp eax,13 ; CALL VIDEOMODE DRIVER FUNCTIONS |
| 28 | dec ebx |
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| 29 | jnz .no_vmode_drv_access |
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| 753 | serge | 30 | pushd [Screen_Max_X] [Screen_Max_Y] |
| 49 | mikedld | 31 | popd [old_screen_height] [old_screen_width] |
| 1 | ha | 32 | or eax,-1 ; If driver is absent then eax does not change |
| 472 | serge | 33 | call (VMODE_BASE+0x100) ; Entry point of video driver |
| 1276 | Lrz | 34 | mov [esp+36-4],eax |
| 35 | mov [esp+24-4],ebx |
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| 36 | mov [esp+32-4],ecx |
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| 1 | ha | 37 | ; mov [esp+28],edx |
| 49 | mikedld | 38 | mov eax,[old_screen_width] |
| 39 | mov ebx,[old_screen_height] |
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| 753 | serge | 40 | sub eax,[Screen_Max_X] |
| 49 | mikedld | 41 | jnz @f |
| 753 | serge | 42 | sub ebx,[Screen_Max_Y] |
| 49 | mikedld | 43 | jz .resolution_wasnt_changed |
| 44 | jmp .lp1 |
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| 753 | serge | 45 | @@: sub ebx,[Screen_Max_Y] |
| 49 | mikedld | 46 | .lp1: sub [screen_workarea.right],eax |
| 47 | sub [screen_workarea.bottom],ebx |
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| 48 | |||
| 49 | call repos_windows |
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| 1276 | Lrz | 50 | xor eax,eax |
| 51 | xor ebx,ebx |
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| 753 | serge | 52 | mov ecx, [Screen_Max_X] |
| 53 | mov edx, [Screen_Max_Y] |
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| 49 | mikedld | 54 | call calculatescreen |
| 55 | |||
| 56 | .resolution_wasnt_changed: |
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| 1 | ha | 57 | ret |
| 58 | .no_vmode_drv_access: |