"emulate*s*"? "ha*s*"? Time to let it go, glen, time to let it go :)
On Fri, Nov 14, 2014 at 11:31 AM, glen herrmannsfeldt <[email protected]> wrote: > Gary wrote: > > > I have heard that only one machine was ever delivered without the > > decimal set, but it may have just been rumour. > > All the 360/91's were delivered without the decimal instructions. > The OS emulates them when the illegal instruction exception is > generated. > > But maybe you meant only on machines where decimal was in option. > > The 360/20 has the decimal instructions except for SRP, but not most > of the binary instructions. (It has MP and DP but not M, MR, D, or DR.) > > Without having ever looked at it, I presume that RPG does mostly > decimal arithmetic, other than address calculations. > > -- glen > -- zMan -- "I've got a mainframe and I'm not afraid to use it"
