English Amiga Board - View Single Post - Boot different AmigaOS by kickstart version?

Daedalus · 05 September 2017, 13:40

It should be pretty easy really - basically, you need to change your assignments over to the new partition first, then execute the new startup-sequence. You can use a simplified startup-sequence on your default partition (3.1) which launches the original 3.1 script (which is renamed) if the version returned isn't 3.9. Something like this should work, though I haven't tested it:

Code:

Version 45 ; Is this a 3.9 ROM?
If WARN ; Nope
  Execute S:Startup-sequence-3.1
Else ; Yep
  ; Reset assigns for 3.9 partition
  Assign SYS: DH2:
  Assign C: SYS:C
  Assign S: SYS:S
  Assign L: SYS:L
  Assign LIBS: SYS:Libs
  Assign DEVS: SYS:Devs
  Assign FONTS: SYS:Fonts
  Assign ENVARC: SYS:Prefs/Env-Archive
  ; Now launch 3.9 startup sequence
  Execute SYS:S/Startup-sequence
EndIf
EndCLI

The AmigaDOS manual has a good reference for the various Shell commands. There's an online version for OS4 here, though most commands are the same so it's still mostly relevant. Don't forget to back up your existing scripts just in case!

05 September 2017, 13:40	#2
Daedalus Registered User Join Date: Jun 2009 Location: Dublin, then Glasgow Posts: 6,347	It should be pretty easy really - basically, you need to change your assignments over to the new partition first, then execute the new startup-sequence. You can use a simplified startup-sequence on your default partition (3.1) which launches the original 3.1 script (which is renamed) if the version returned isn't 3.9. Something like this should work, though I haven't tested it: Code: Version 45 ; Is this a 3.9 ROM? If WARN ; Nope Execute S:Startup-sequence-3.1 Else ; Yep ; Reset assigns for 3.9 partition Assign SYS: DH2: Assign C: SYS:C Assign S: SYS:S Assign L: SYS:L Assign LIBS: SYS:Libs Assign DEVS: SYS:Devs Assign FONTS: SYS:Fonts Assign ENVARC: SYS:Prefs/Env-Archive ; Now launch 3.9 startup sequence Execute SYS:S/Startup-sequence EndIf EndCLI The AmigaDOS manual has a good reference for the various Shell commands. There's an online version for OS4 here, though most commands are the same so it's still mostly relevant. Don't forget to back up your existing scripts just in case! Last edited by Daedalus; 05 September 2017 at 13:45.