The high end of the 360 had decimal as standard. The low end could not get decimal. The mid range had optional decimal. There was a good chapter in the latest pop360 listing model dependent features. (I am travelling this week, so I dont have this book with me.) /Paul
On Friday, November 14, 2014, Gary Weinhold <[email protected]> wrote: > I have heard that only one machine was ever delivered without the decimal > set, but it may have just been rumour. > > Gary Weinhold > On 2014-11-14 09:38, Steve Hobson wrote: > >> CVB and CVD have always been part of the fixed-point instruction >>>>> set (the basic set), and are not part of the decimal set. >>>>> >>>> That's what my antique Green Card says! >>>> >>> And so it has been since the first Principles of Ops. >>> >> And sensible to have the decimal instructions in a separate section of >> S/360 PoPs because not all S/360 machines had the decimal instructions. >> (They did all have the fixed-point instruction set, obviously.) >> >> >> Best regards, Steve Hobson >> Je me presse de rire de tout, de peur d'être obligé d'en pleurer >> Unless stated otherwise above: >> IBM United Kingdom Limited - Registered in England and Wales with number >> 741598. >> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU >> >
