Hi Louis, > On Mar 23, 2023, at 11:41 PM, Louis Santillan <lpsan...@gmail.com> wrote: > > Oh oh. I was mistaken. It was Dave Dunfield's MC323EXA.ZIP with the files > ./DOSUTIL/REDIRECT.TXT > ./DOSUTIL/RERROR.C > ./DOSUTIL/ROUTPUT.C > > RERROR handles stderr capture via DOS. > ROUTPUT handles ALL text capture via BIOS. > http://dunfield.classiccmp.org/dos/mc323exa.zip > <http://dunfield.classiccmp.org/dos/mc323exa.zip>
Did not know about those. So, I glanced at it. The ROUTPUT is only vaguely similar in goals and general concept. Is not open source. (Only, free for non-commercial use) Written in C. Would not work for boot logging. Is a single program that executes another, capturing that output. Will consume far more conventional memory (program + 32k memory) Does not have a flexible buffer. Data exceeding 32k is lost. Requires a writeable file system. Only supports text output through BIOS TTY function 0x0E. LOGGER is really completely different. Is open source. (BSD 3-Clause) Written in assembly (NASM). Will work for boot message logging. Is a pair of programs, that can continuously capture all text. Consumes very little conventional memory (probably around 1-2k), and can be loaded into upper memory. Has a default XMS buffer size of 256k, but will be able to make that larger or smaller. Will employee a cyclic buffer. When/If full, it will discard older stuff to make room. (I could possible grow it’s buffer, but I don’t think that will be needed nor worth the overhead.) Does not require a writable file system. Uses a more complex method for capturing text. Thats just the main differences. They only sort-of sound similar. They really are completely different. Anyhow, I’m working on LOGGER at https://gitlab.com/DOSx86/logger <https://gitlab.com/DOSx86/logger> :-) Jerome
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