Z390 Interactive debugger

Trying to learn the Z390 Interactive debugger…based on an email I got from Abe from the google user group, who suggested “EXEC.BAT path/file noloadhigh test”. So from there I got to a starting place of “exec MyStuff/case noloadhigh test noinit”. From there I typed h…for help. From there I believe the PSW or PSW16 command …

Useful IBM Assembler reference books

Keep on your bookshelf…(the Bible) z/Architecture Principles of Operation370 POP Keep by your sideThese are little booklets at one time they were cards. They are most useful if you already know the instructions. These are useful in getting back to Assembler. The System 370 reference is the what I used back in the day when …

Internet speed upgrade is coming

AT&T installed fiber in the neighborhood a few weeks ago. Today they came by to schedule me new equipment for the fiber. I recently did a speedtest because a Twitter user asked people what their speed was. Turns out mine was pretty slow, compared to most responding, and I was paying $53. AT&T said new …