Re: BXLE considered harmful

2015-10-10 Thread Paul Gilmartin
On 2015-10-10, at 00:09, Robin Vowels wrote: > > Well, you can always use MH, but it won't overflow. > Oh, it overflows; it's just not reported. I've always believed that STH should set overflow if bits 0-15 are not sign extension of bit 16. I've used MH; SLA 16 and M; SLDA 32 to detect

Re: ASSEMBLER-LIST Digest - 7 Oct 2015 to 8 Oct 2015 (#2015-111)

2015-10-10 Thread Scott Ford
I always use "YREGS", haven't had the need for AR type regs. Scott On Saturday, October 10, 2015, Brent Longborough wrote: > > Date: Thu, 8 Oct 2015 14:19:10 -0400 From: Tom Marchant > > > Subject: Re: BXLE considered > harmful On

Re: BXLE considered harmful

2015-10-10 Thread Robin Vowels
From: "Brent Longborough" Sent: Saturday, October 10, 2015 4:05 PM First, the answer is no. It is perfectly valid, IMO, to expect your readers to "know" precisely how an instruction works. That said, given two possible code constructs which are *reasonably close* in