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1 | ; |
1 | ; |
2 | ; Load of videomode driver in memory |
2 | ; Load of videomode driver in memory |
3 | ; |
3 | ; |
4 | ; (driver is located at 0x760000-0x768000 - 32kb) // if this area not occuped anything |
4 | ; (driver is located at 0x760000-0x768000 - 32kb) // if this area not occuped anything |
5 | ; |
5 | ; |
6 | ; Author: Trans |
6 | ; Author: Trans |
7 | ; Date: 19.07.2003 |
7 | ; Date: 19.07.2003 |
8 | ; |
8 | ; |
9 | ; Include in MeOS kernel and compile with FASM |
9 | ; Include in MeOS kernel and compile with FASM |
10 | ; |
10 | ; |
11 | 11 | ||
12 | 12 | ||
13 | ; LOAD VIDEOMODE DRIVER |
13 | ; LOAD VIDEOMODE DRIVER |
14 | ; If vmode.mdr file not found |
14 | ; If vmode.mdr file not found |
15 | or eax,-1 ; Driver ID = -1 (not present in system) |
15 | or eax,-1 ; Driver ID = -1 (not present in system) |
16 | mov [0x760000],eax ; |
16 | mov [OS_BASE+0x760000],eax ; |
17 | mov [0x760100],byte 0xC3 ; Instruction RETN - driver loop |
17 | mov [OS_BASE+0x760100],byte 0xC3 ; Instruction RETN - driver loop |
18 | 18 | ||
19 | mov esi, vmode |
19 | mov esi, vmode |
20 | xor ebx, ebx |
20 | xor ebx, ebx |
21 | mov ecx, 0x8000 ; size of memory area for driver |
21 | mov ecx, 0x8000 ; size of memory area for driver |
22 | mov edx, 0x760000 ; Memory position of driver |
22 | mov edx, OS_BASE+0x760000 ; Memory position of driver |
23 | call fs_RamdiskRead |
23 | call fs_RamdiskRead |
24 | 24 |