29795a0db4
start emitting indent tokens
2021-06-18 21:42:01 -07:00
e5cf570890
redo next-token in more high-level terms
2021-06-18 20:39:33 -07:00
80fb9ca9f4
.
2021-06-18 20:12:32 -07:00
c6cb360544
.
2021-06-18 20:08:19 -07:00
93e2e3f934
start emitting token for newline
2021-06-18 20:00:29 -07:00
24275c3828
newlines are now a token
2021-06-18 19:54:01 -07:00
dd133c2a09
start implementing indent-sensitivity
...
General plan:
stop skipping newlines during tokenization
introduce a new indent token, initially skip it transparently
start doing cleverer things
2021-06-18 19:52:54 -07:00
b5306cabd3
.
2021-06-18 19:40:35 -07:00
2acc00f9b9
.
2021-06-18 07:54:24 -07:00
c22dbbea39
make code in Readme easier to copy
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Thanks Sumeet Agarwal for the suggestion.
2021-06-18 07:11:36 -07:00
8c47da082b
fix emulated build
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Embarrassingly broken since May 15 (commit ff8ec9bcfffixes #48 )
2021-06-18 07:04:36 -07:00
0f2d0d6abe
shell: stop punning tokens as cells
2021-06-18 06:53:55 -07:00
ee42915282
Merge pull request #47 from akkartik/fix-precision
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Fix precision
2021-06-17 21:27:05 -07:00
bad113ebc0
create .gitignore
2021-06-17 21:25:06 -07:00
f36f022b08
change precision when loading sandbox code
2021-06-17 21:24:41 -07:00
dd60caa3f5
.
2021-06-15 21:50:13 -07:00
678c936633
.
2021-06-15 21:40:51 -07:00
bca7f834c3
.
2021-06-15 21:40:40 -07:00
614d0ecff4
.
2021-06-15 20:56:41 -07:00
10687ed8bb
.
2021-06-15 20:50:55 -07:00
6515bace46
.
2021-06-15 20:41:34 -07:00
b28899fe37
.
...
Support newlines. Looks like we pasted the input from the browser window
during the pairing session.
2021-06-15 20:38:53 -07:00
03e6248c14
example program by Sumeet Agarwal
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https://adventofcode.com/2017/day/1
https://archive.org/details/2021-06-02-akkartik-sumeet
2021-06-15 20:38:45 -07:00
3a3fe4addb
shell: better screenshot
2021-06-15 15:54:56 -07:00
6280749410
always print black pixels when rendering screens
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This is an old 'optimization' that turns out to not actually matter.
2021-06-15 15:37:37 -07:00
3c70328b25
.
2021-06-15 14:57:55 -07:00
0138b000a1
shell: improve docs
2021-06-15 14:48:52 -07:00
88378503c4
.
2021-06-15 14:46:27 -07:00
bc21fe0baf
document responsiveness trade-off
2021-06-15 13:02:15 -07:00
2bf7cb83ba
do more work per fake-screen refresh
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Refreshing the fake screen is still a heavyweight operation. Double-buffering
makes it less obvious but doesn't actually reduce the amount of work. We
need to ensure that we do enough work between refreshes to make them economic.
2021-06-15 12:36:38 -07:00
8068b8450f
more precisely track count of calls to eval
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Before I only separately counted calls at each stack depth. I don't remember
if that seemed good enough or was just an oversight.
2021-06-15 12:28:52 -07:00
c2c6f4c7ab
flickerlessly render fake screens in environment
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Font rendering now happens off the real screen, which provides the effect
of double-buffering.
Apps can now also use convert-graphemes-to-pixels for more traditional
double-buffering.
2021-06-15 10:33:18 -07:00
b9fea69687
.
2021-06-15 08:59:36 -07:00
f99cd767a4
periodic run of misc_checks
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I should really stop using /disp8 jumps at the top-level given how inconvenient
it is to check for overly large offsets.
2021-06-12 22:34:22 -07:00
0511b9fd11
helper to render fonts outside video RAM, take 2
2021-06-12 22:22:54 -07:00
bda6982ba1
fix a bounds check
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This should have gotten cleaned up during commit e0f6dd5240
2021-06-12 21:58:31 -07:00
242b83ed46
roll back previous commit
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These helpers don't actually help render to buffers with geometries different
from video RAM.
2021-06-12 21:41:50 -07:00
b78bff9307
extract a helper to render fonts outside video RAM
2021-06-12 21:41:02 -07:00
0dda332ce3
.
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Roll back to commit 70919b45f0
2021-06-12 21:11:22 -07:00
82fdf176c1
snapshot
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Looks like what's slowing down screen rendering is in fact _font_ rendering.
2021-06-12 21:11:03 -07:00
85bcf050e7
.
2021-06-12 17:50:30 -07:00
9b5b3bccd1
trying to eliminate flicker when rendering screen
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Two interesting things:
- We don't really need double-buffering for rendering the screen on the
sandbox as a progress indicator. Everything else is untouched, and render-screen
should be doing that as well.
- Rendering just pixels of the fake screen is buttery smooth. It's the
_graphemes_ that are slowing things down. Even though there's so many
fewer of them!
As a result, drawing the fake screen less frequently in `evaluate` doesn't
actually help with flicker. Even though it'll make the debug cycle shorter.
So my current plan is to attack flicker in isolation before I mess with
the render frequency.
In this commit I optimized away the cursor handling. Still doesn't seem
to be helping. In fact it actually seems _worse_.
2021-06-12 17:40:53 -07:00
286819685e
eliminate some implicit writes to real screen
2021-06-12 16:24:27 -07:00
70919b45f0
.
...
Rename cells containing screens to screen vars because of the ambiguity
that each grapheme in fake screens is represented by a type screen-cell.
While we're at it, we also analogously rename keyboard vars.
2021-06-12 15:16:50 -07:00
4bd1785c86
shell: larger fake screen
2021-06-12 10:46:28 -07:00
662e6b7177
.
2021-06-11 23:02:12 -07:00
d4968adbc9
.
2021-06-11 23:00:00 -07:00
af2e837787
try to abolish NULL from primitives
2021-06-11 22:48:14 -07:00
952fb9a677
car/cdr of nil is now nil
2021-06-11 21:46:59 -07:00
0dc4f9c62b
hacky bugfix: support floats in nth
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Needed because we don't yet have a primitive in the shell to truncate/round
non-integers to integers.
Before:
(nth (/ 31 10) # we don't have float literals yet
'(1 2 3 4))
=> NULL
..with an unpleasant abort likely later on.
Really the correct thing to do is ensure none of my primitives ever returns
NULL. Start with car/cdr.
2021-06-11 21:36:12 -07:00
Kartik K. Agaram
Kartik Agaram
Sumeet Agarwal