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collapseos
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13 Commits

Author SHA1 Message Date
Virgil Dupras b745f49186 Rename blockdev's API routines to GetB/PutB 
The goal is to avoid mixing those routines with "character devices"
(acia, vpd, kbd) which aren't block devices and have routines that
have different expectations.

This is a first step to fixing #64.
 2019-10-30 16:59:35 -04:00
Virgil Dupras af0b6231ca recipes/sms/romasm: make ed's memory usage fit the SMS 
Yup, that's ultimately why I've just made this whole big zasm
refactoring in the previous commits. To allow for this.

But also, zasm is in much better shape now...
 2019-07-23 16:13:52 -04:00
Virgil Dupras 0237ff105f ed: fix 'd' going crazy when deleting last lines of buf 2019-07-21 19:43:45 -04:00
Virgil Dupras 421d881fae ed: allow inserting in empty file 2019-07-21 15:06:03 -04:00
Virgil Dupras f6479486f2 ed: allow appending at the end of the file 2019-07-21 11:12:49 -04:00
Virgil Dupras 8d7abd9994 ed: fix broken buf insert logic 2019-07-21 10:53:11 -04:00
Virgil Dupras 1a5a1b9861 ed: make scratchpad memory only 
The dual scraptchpad thing doesn't work. Things become very
complicated when it's time to write that back to the file. We
overwrite our contents and end up with garbage.
 2019-07-21 10:45:58 -04:00
Virgil Dupras 942d2a952d ed: take filename as an argument 
This hard-binds ed to the filesystem (I liked the idea of working
only with blockdevs though...), but this is necessary for the
upcoming `w` command. We need some kind of way to tell the
destination to write to truncate itself.

This only has a meaning in the filesystem, but it's necessary to
let the file know that its registered file size has possibly
shrunk.

I thought of alternatives that would have allowed me to keep ed
blkdev-centered, but they were all too hackish to my own taste.

Hence, this new hard-bind on files.
 2019-07-20 19:43:07 -04:00
Virgil Dupras eefadc3917 ed: add support for 'a' and 'i' 2019-07-14 17:35:21 -04:00
Virgil Dupras 77a23cee84 ed: fix bufDelLines logic 
It was mostly wrong.
 2019-07-14 16:18:33 -04:00
Virgil Dupras 5669884508 ed: read initial contents in bufInit 2019-07-14 12:19:37 -04:00
Virgil Dupras 8af1cf468c ed: add 'd' cmd 2019-07-14 10:32:28 -04:00
Virgil Dupras e0f2a71dfc apps/ed: print specified line 2019-07-13 14:01:20 -04:00