Talk:Binary-coded decimal/Archives/2023/November
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implemented in all IBM mainframe hardware since then
The article says: implemented in all IBM mainframe hardware since then. For low-end S/360 models, decimal was optional. (As was floating point. Presumably one would get one or the other.) Also, the 360/91 doesn't have the decimal instructions, with the OS doing software emulation. (It has CVB and CVD, which are used in the emulation.) Gah4 (talk) 11:39, 6 August 2020 (UTC)