| {␊ |
| ␉VBEInfoBlock vbeInfo;␊ |
| ␉int err, small;␊ |
| ␉char *buff = malloc(sizeof(char)*256);␊ |
| ␉if(!buff) return 0;␊ |
| ␉␊ |
| ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
| ␉strcpy( (char*)&vbeInfo, "VBE2" );␊ |
|
| {␊ |
| ␉VBEInfoBlock vbeInfo;␊ |
| ␉int err, small;␊ |
| ␉char *buff = malloc(sizeof(char)*256);␊ |
| ␉if(!buff) return 0;␊ |
| ␉␊ |
| ␉char* buff = NULL;␊ |
| ␊ |
| ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
| ␉strcpy( (char*)&vbeInfo, "VBE2" );␊ |
| ␉err = getVBEInfo( &vbeInfo );␊ |
|
| ␉if ( strncmp( (char *)vbeInfo.VESASignature, "VESA", 4 ) )␊ |
| ␉␉return 0;␊ |
| ␉␊ |
| ␉buff = malloc(sizeof(char) * 256);␊ |
| if (!buff)␊ |
| return 0;␊ |
| ␊ |
| ␉small = (vbeInfo.TotalMemory < 16);␊ |
| ␉␊ |
| ␉sprintf(buff, "VESA v%d.%d %d%s (%s)\n",␊ |
| vbeInfo.VESAVersion >> 8,␊ |
| vbeInfo.VESAVersion & 0xf,␊ |
| small ? (vbeInfo.TotalMemory * 64) : (vbeInfo.TotalMemory / 16),␊ |
| small ? "KB" : "MB",␊ |
| VBEDecodeFP(const char *, vbeInfo.OEMStringPtr) );␊ |
| ␉snprintf(buff, 256,␊ |
| "VESA v%d.%d %d%s (%s)\n",␊ |
| vbeInfo.VESAVersion >> 8,␊ |
| vbeInfo.VESAVersion & 0xf,␊ |
| small ? (vbeInfo.TotalMemory * 64) : (vbeInfo.TotalMemory / 16),␊ |
| small ? "KB" : "MB",␊ |
| VBEDecodeFP(const char *, vbeInfo.OEMStringPtr) );␊ |
| ␊ |
| ␉return buff;␊ |
| }␊ |
|
| VBEModeInfoBlock modeInfo;␊ |
| int err;␊ |
| int line;␊ |
| char* vbeInfoString = NULL;␊ |
| ␊ |
| ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
| strcpy( (char*)&vbeInfo, "VBE2" );␊ |
|
| clearScreenRows(0, 24);␊ |
| setCursorPosition( 0, 0, 1 );␊ |
| ␊ |
| printf( getVBEInfoString() );␊ |
| vbeInfoString = getVBEInfoString();␊ |
| if (!vbeInfoString) {␊ |
| printf("Error: getVBEInfoString failed\n");␊ |
| return;␊ |
| }␊ |
| printf("%s", vbeInfoString);␊ |
| free(vbeInfoString);␊ |
| vbeInfoString = NULL;␊ |
| ␊ |
| ␉printf("Video modes supported:\n", VBEDecodeFP(const char *, vbeInfo.OEMStringPtr));␊ |
| ␊ |
| // Loop through the mode list, and find the matching mode.␊ |
|
| ␉␊ |
| ␉char *buff=malloc(sizeof(char)*3072);␊ |
| ␉if(!buff) return 0;␊ |
| int bufflen = 0;␊ |
| ␊ |
| ␉// Loop through the mode list, and find the matching mode.␊ |
| for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
| *modePtr != modeEndOfList; modePtr++ )␊ |
| (*modePtr != modeEndOfList) && (bufflen < 3072); /* prevent buffer overrun */␊ |
| modePtr++ )␊ |
| {␊ |
| // Get mode information.␊ |
| ␊ |
|
| continue;␊ |
| }␊ |
| ␊ |
| sprintf(buff+strlen(buff), "Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
| *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
| modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
| modeInfo.ModeAttributes);␊ |
| bufflen += ␊ |
| snprintf(buff+bufflen, 3072-bufflen, "Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
| *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
| modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
| modeInfo.ModeAttributes);␊ |
| ␊ |
| } ␊ |
| ␉return buff;␊ |
