🚀 go-pugleaf

In article <452@mirsa.inria.fr>, colas@modja.inria.fr (Colas Nahaboo) writes...
>My question is: what is the LEGAL way to know I am running on an ST with
>TOS 1.0 roms from a C program? The only legal way I knew of was Sversion,
>but it returns 0,19 on both TOS 1.0 & TOS 1.2

Attached is Alan Pratt's answer to the same question when it was posted about
a year ago.

 # Subject: Re: Rom Identification
 # Posted: 24 Aug 88 18:22:24 GMT
 # Organization: Atari (US) Corporation, Sunnyvale, California
 #  
 # In article <1402@kodak.UUCP> nelson@kodak.UUCP (bruce nelson) writes:
 # > Is there an official (or unofficial :-) way to identify which version
 # > of the Roms is installed in an ST?
 # > 
 # > Bruce D. Nelson         | UUCP: ...!rutgers!rochester!kodak!hawkeye!nelson
 #  
 # The quick answer is this: the system variable _sysbase (at address
 # 0x4f2) contains a pointer to the base of the OS.  The OS starts with a
 # header which identifies it.  At offset 2 and 3 into this header are two
 # bytes: the major and minor revision numbers, respectively.  Original RAM
 # TOS, as well as the first cut of ROMs, was, I believe, 1.0 (that is,
 # major byte is 1, minor is 0).  The Mega ROMs are 1.2, and the new
 # release will be 1.4.  You aren't missing revs: we're jumping them by two
 # for reasons I don't want to go into now. 
 #  
 # ============================================
 # Opinions expressed above do not necessarily	-- Allan Pratt, Atari Corp.
 # reflect those of Atari Corp. or anyone else.	  ...ames!atari!apratt

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