| 0,0 → 1,53 |
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| Video Mode Driver ver.1.0 for MenuetOS |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| This driver provide of hardware operation of all VGA-compatible videocard |
| |
| |
| P.S. |
| It may be added to SYSFUNCS.TXT |
| |
| 21 = SETUP FOR DEVICES |
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| ebx = 13 - videodriver enable |
| ecx = 1 - Get DriverInfo and Driver Initial Set |
| edx = offset to 512-bytes area for DriverInfo |
| RETURN: eax = -1 - errors or driver not installed in system |
| eax = 'MDAZ' - driver ID => set information in info area |
| Info Structure: |
| +0 - Full driver name (ASCII string ) |
| +32 - Driver version (dword) |
| +36 - Reserved |
| +64 - List of support videomodes |
| (max 32 positions) (word) |
| +128 - List of Support vertical rate |
| to each present mode (word): |
| +0 - 1st ver.rate for mode0 |
| +2 - 2st ver.rate for mode0 |
| +4 - 3st ver.rate for mode0 |
| +8 - 4st ver.rate for mode0 |
| +10 - 5st ver.rate for mode0 |
| |
| +12 - 1st ver.rate for mode1 |
| +14 - 2st ver.rate for mode1 |
| +16 - 3st ver.rate for mode1 |
| +18 - 4st ver.rate for mode1 |
| +20 - 5st ver.rate for mode1 |
| |
| ecx = 2 - Get Current Video Mode With Vertical Refresh Rate |
| RETURN: eax = -1 - errors |
| eax = X_screen*65536+Y_screen |
| ebx = current vertical rate |
| ecx = current video mode (number) [see infostruct] |
| ecx = 3 - Change Video Mode |
| edx = VertRate*65536+VideoMode [see infostruct] |
| RETURN: eax = -1 - errors |
| eax = 0 - set new videomode |
| ecx = 4 - Return at Start System Video Mode |
| RETURN: eax = -1 - errors |
| eax = 0 - set initial videomode |
| ecx = 5 - Change vertical and horizontal size of visible screen area |
| edx = 0/1 - -/+ horizontal size on 1 position |
| = 2/3 - -/+ vertical size on 1 position (8 pixels) (not complete yet) |
| RETURN: eax = -1 - errors |
| eax = 0 - succesfull |
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| Property changes: |
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| Added: svn:executable |
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| +* |
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| \ No newline at end of property |
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