| 71,11 → 71,27 |
|---|
| if (key == 0x0D) { /* ENTER */ |
| return(res); |
| } else if (key == 0x148) { /* up */ |
| if (res > 0) res--; |
| if (res > 0) { |
| res--; |
| if (res < offset) offset = res; |
| } |
| } else if (key == 0x150) { /* down */ |
| if (res+1 < count) res++; |
| if (res+1 < count) { |
| res++; |
| if (res > offset + height - 3) offset = res - (height - 3); |
| } |
| } else if (key == 0x147) { /* home */ |
| res = 0; |
| offset = 0; |
| } else if (key == 0x14F) { /* end */ |
| res = count - 1; |
| if (res > offset + height - 3) offset = res - (height - 3); |
| } else if (key == 0x1B) { /* ESC */ |
| return(-1); |
| } else { |
| char buf[8]; |
| sprintf(buf, "0x%02X ", key); |
| video_putstring(1, 0, COLOR_BODY[mono], buf); |
| } |
| } |
| } |
| 133,17 → 149,16 |
|---|
| } |
| |
| |
| static int testdrive(int drv) { |
| /* returns 1 if drive is removable, 0 if not, -1 on error */ |
| static int isdriveremovable(int drv) { |
| union REGS r; |
| /* try to switch to new drive */ |
| r.h.ah = 0x0E; |
| r.h.dl = drv; |
| r.x.ax = 0x4408; |
| r.h.bl = drv; |
| int86(0x21, &r, &r); |
| /* has it worked? if yes, then the drive is valid */ |
| r.h.ah = 0x19; |
| int86(0x21, &r, &r); |
| if (r.h.al == drv) return(0); |
| return(-1); |
| /* CF set on error, AX set to 0 if removable, 1 if fixed */ |
| if (r.x.cflag != 0) return(-1); |
| if (r.x.ax == 0) return(1); |
| return(0); |
| } |
| |
| |
| 170,32 → 185,46 |
|---|
| |
| |
| static int preparedrive(void) { |
| int driveexists; |
| int driveremovable; |
| int selecteddrive = 3; /* hardcoded to 'C:' */ |
| int ds, emptydriveflag; |
| for (;;) { |
| newscreen(); |
| driveexists = testdrive(selecteddrive); |
| if (driveexists != 0) { |
| char *list[] = { "Run the FDISK partitionning tool", "Quit to DOS", NULL}; |
| driveremovable = isdriveremovable(selecteddrive); |
| if (driveremovable < 0) { |
| char *list[] = { "Create an automatic partition", "Run the FDISK partitionning tool", "Quit to DOS", NULL}; |
| video_putstring(4, 2, COLOR_BODY[mono], "ERROR: Drive C: could not be found. Perhaps your hard disk needs to be"); |
| video_putstring(5, 2, COLOR_BODY[mono], " partitionned first. Please create at least one partition on your"); |
| video_putstring(6, 2, COLOR_BODY[mono], " hard disk, so Svarog386 can be installed on it. Note, that"); |
| video_putstring(7, 2, COLOR_BODY[mono], " Svarog386 requires at least 16 MiB of available disk space."); |
| video_putstring(9, 2, COLOR_BODY[mono], "You can use the FDISK partitioning tool for creating the required partition,"); |
| video_putstring(10, 2, COLOR_BODY[mono], "or abort the installation and use any other partition manager of your choice."); |
| if (menuselect(12, -1, 4, list) != 0) return(-1); |
| video_clear(0x0700, 0); |
| video_movecursor(0, 0); |
| system("fdisk"); |
| video_putstring(9, 2, COLOR_BODY[mono], "You can use the FDISK partitioning tool for creating the required partition"); |
| video_putstring(10, 2, COLOR_BODY[mono], "manually, or you can let the installer partitioning your disk"); |
| video_putstring(11, 2, COLOR_BODY[mono], "automatically. You can also abort the installation to use any other"); |
| video_putstring(12, 2, COLOR_BODY[mono], "partition manager of your choice."); |
| switch (menuselect(14, -1, 5, list)) { |
| case 0: |
| system("FDISK /AUTO"); |
| break; |
| case 1: |
| video_clear(0x0700, 0); |
| video_movecursor(0, 0); |
| system("FDISK"); |
| break; |
| case 2: |
| return(-1); |
| } |
| newscreen(); |
| video_putstring(13, 10, COLOR_BODY[mono], "Your computer will reboot now. Press any key."); |
| video_putstring(12, 10, COLOR_BODY[mono], "Your computer will reboot now. Press any key."); |
| input_getkey(); |
| reboot(); |
| return(-1); |
| } else if (driveremovable > 0) { |
| video_putstring(8, 2, COLOR_BODY[mono], "ERROR: Drive C: appears to be a removable device."); |
| video_putstring(10, 2, COLOR_BODY[mono], "Installation aborted. Press any key."); |
| return(-1); |
| } |
| /* if not formatted, propose to format it right away */ |
| ds = disksize(selecteddrive, &emptydriveflag); |
| if (ds < 0) { |
| /* if not formatted, propose to format it right away (try to create a directory) */ |
| if (mkdir("C:\\SVWRTEST.123") != 0) { |
| char *list[] = { "Proceed with formatting", "Quit to DOS", NULL}; |
| video_putstring(7, 2, COLOR_BODY[mono], "ERROR: Drive C: seems to be unformated."); |
| video_putstring(8, 2, COLOR_BODY[mono], " Do you wish to format it?"); |
| 202,13 → 231,16 |
|---|
| if (menuselect(12, -1, 4, list) != 0) return(-1); |
| video_clear(0x0700, 0); |
| video_movecursor(0, 0); |
| system("FORMAT /Q C:"); |
| system("FORMAT C: /Q /U /V:SVAROG"); |
| continue; |
| } |
| /* check total space */ |
| rmdir("C:\\SVWRTEST.123"); |
| /* check total disk space */ |
| ds = disksize(selecteddrive, &emptydriveflag); |
| if (ds < 16) { |
| video_putstring(9, 2, COLOR_BODY[mono], "ERROR: Drive C: is not big enough! Svarog386 requires a disk of at least 16 MiB."); |
| video_putstring(11, 2, COLOR_BODY[mono], "Press any key to return to DOS."); |
| video_putstring(9, 2, COLOR_BODY[mono], "ERROR: Drive C: is not big enough!"); |
| video_putstring(10, 2, COLOR_BODY[mono], " Svarog386 requires a disk of at least 16 MiB."); |
| video_putstring(12, 2, COLOR_BODY[mono], "Press any key to return to DOS."); |
| input_getkey(); |
| return(-1); |
| } |