RE: MI maximum

["Njål Fisketjøn" <n.f@xxxxxxx>]

From Chapter 4 (The Tehnology-Independent Machine Interface)
of Frank Solti's excellent book "Inside the AS/400":

"The operand field, which is used to index into the ODV, was originally
16 bits long in the System/38, but the field was later expanded to 24 bits.
This means that a program can have up to 16 million (2^24) different 
operands, and even that number can be extended."

ODT (Object Definition Table) consists of ODV (ODT Direction Vector) and
OES (ODT Entry String)


> -----Original Message-----
> From: owner-mi400@midrange.com [mailto:owner-mi400@midrange.com]On
> Behalf Of Leif Svalgaard
> Sent: 10. mai 2001 19:16
> To: MI400@midrange.com
> Subject: Re: MI maximum
> 
> 
> correction: 32k for ODT, 64k for instructions.
> No such limits for NMI I presume.
> 

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