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Author SHA1 Message Date
Justine Tunney
b2d4ef9960 Shave four bytes 2022-01-11 19:22:14 -08:00
Hikaru Ikuta
a6836ede0f Update binary 2022-01-09 08:46:14 +09:00
Hikaru Ikuta
e6c6597185 Separate Read and .ifRead 2022-01-09 08:44:36 +09:00
Hikaru Ikuta
6de7911b7c Add tests for IO 2022-01-09 08:41:42 +09:00
Hikaru Ikuta
97531f6cb7 Refine comments and .type directives 2022-01-09 08:41:35 +09:00
Hikaru Ikuta
1dbcb9c9b5 Shave three bytes (469 bytes) 2022-01-07 19:51:31 +09:00
Hikaru Ikuta
9b0b5e9f20 Shave three more bytes using overlaps 2022-01-07 19:51:31 +09:00
Hikaru Ikuta
c84eed864f Simplify 2022-01-07 19:51:31 +09:00
Hikaru Ikuta
f14c20a5b6 Shave one byte 2022-01-07 19:51:31 +09:00
Hikaru Ikuta
8a59e66349 Shave two more bytes 2022-01-07 19:51:31 +09:00
Hikaru Ikuta
bcb1474693 Shave two bytes 2022-01-07 19:51:31 +09:00
Hikaru Ikuta
1af3db75fe Use %bp instead of %fs for caching the user input 2022-01-07 19:51:31 +09:00
Hikaru Ikuta
cac1923ebf Shave three more bytes by placing Read inside Apply 2022-01-07 19:51:31 +09:00
Hikaru Ikuta
9ca97d2ea7 Shave two bytes 2022-01-07 19:51:31 +09:00
Hikaru Ikuta
36678457f3 Put Print in Apply 2022-01-07 19:51:27 +09:00
Hikaru Ikuta
1ff4ea987d Print newline capability 2022-01-07 15:26:11 +09:00
Hikaru Ikuta
72b037de93 Shave one byte 2022-01-07 15:26:11 +09:00
Hikaru Ikuta
829ed4f398 Add types for kRead and kPrint 2022-01-07 15:26:11 +09:00
Hikaru Ikuta
1136e5752e Initialize register cache for robustness 2022-01-07 15:26:11 +09:00
Hikaru Ikuta
162969de42 Fix READ buffer bug 2022-01-07 15:26:11 +09:00
Hikaru Ikuta
46ba9fee4f A more robust Read function 2022-01-07 15:23:53 +09:00
Hikaru Ikuta
90903662a9 Shave 2 bytes 2022-01-07 15:23:53 +09:00
Hikaru Ikuta
ef4f143680 Add READ and PRINT 2022-01-07 15:23:48 +09:00
Hikaru Ikuta
194181a709
Broader register initialization coverage (#21) 2022-01-03 11:13:47 -08:00
Hikaru Ikuta
32dfd00780
Fix variable referencing bug in QEMU (#19) 2022-01-02 18:23:25 -08:00
agreppin
39ef281e64
Merge pull request #17 from woodrush/fix-eq 
Fix bug for `EQ` where a null string is printed
 2021-12-31 00:39:22 +01:00
Hikaru Ikuta
304eaab6ad Fix bug for EQ 2021-12-31 04:58:59 +09:00
Justine Tunney
ec8c0ce6df Have Apply call Assoc 2021-12-12 14:49:02 -08:00
Justine Tunney
540034fd2f Clean up code (434 bytes) 2021-12-11 15:04:22 -08:00
Justine Tunney
caa4547c8f Inline Pairlis (436 bytes) 2021-12-09 08:52:42 -08:00
Justine Tunney
040852302c Fix off by one w/ interning (441 bytes) 2021-12-08 10:36:53 -08:00
Justine Tunney
d5afd05ef8 Make stack change safer 
Setting the stack to zero is hosing the image somehow in 86box.
This change appears to fix it. Would be nice to learn more.
 2021-11-27 20:58:26 -08:00
Justine Tunney
920babb3e7 Outstanding overlap (now 440 bytes) 2021-11-25 08:25:38 -08:00
Peter Ferrie
a557787f5f shave two bytes 2021-11-24 17:11:33 -08:00
Peter Ferrie
88e749ea79 move SP setting 2021-11-24 12:32:14 -08:00
Peter Ferrie
d50e78162d replace undefined function 2021-11-24 12:24:33 -08:00
Peter Ferrie
7ae47772f6 shave one byte 2021-11-24 12:23:22 -08:00
Justine Tunney
17bd5be818 Make intern function more readable 2021-11-24 00:09:01 -08:00
Justine Tunney
7f55a4be0a Revert "shave one byte" 
This reverts commit 041d23e99b.
 2021-11-24 00:07:22 -08:00
Peter Ferrie
041d23e99b shave one byte 2021-11-23 20:17:18 -08:00
Peter Ferrie
7e8979fa7c avoid use of BP across video calls 2021-11-23 19:52:54 -08:00
Peter Ferrie
0637e25bb5
Shave some bytes (#14) now 443 bytes 2021-11-23 19:31:48 -08:00
Justine Tunney
bab9ebed18 Do nothing on undefined variable (now 446 bytes) 
The only exception is NIL which has been added to the main Eval().
This change also inlines the ABC Garbage Collector for more speed.
 2021-11-23 05:09:13 -08:00
Peter Ferrie
d66e5d984f shave some bytes 
- setting of SS is not interruptible, so no need to guard it;
- direction flag is cleared by BIOS code, even on the XT.
 2021-11-22 22:04:42 -08:00
Justine Tunney
6000841378 Inline Evaluate into Eval (it looks nicer) 2021-11-22 17:52:05 -08:00
Justine Tunney
c549796f78 Make C impl match latest asm tactics 
The C code now has garbage collection. It now uses negative memory
for storing cons cells. Function arguments have been inlined since
undefined evaluation order shouldn't matter since it is immutable.
Compiler warnings have been turned off so we can use traditional C
 2021-11-22 16:43:03 -08:00
Justine Tunney
2f57156c34 Remove broken dot parsing in C code 
Fixes #13
 2021-11-21 23:25:53 -08:00
Justine Tunney
3d19d8d9f2 Shave two bytes (now 456 bytes) 2021-11-21 21:05:36 -08:00
Justine Tunney
d587ce19d1 Shave twelve bytes (now 458 bytes) 2021-11-21 20:28:45 -08:00
Justine Tunney
5a33a6b97a Add garbage collection (now 470 bytes) 
This GC wraps Eval() to create a copy of the result, and then
memcpy's it backwards to the position where the g_mem pointer
resided at the beginning of Eval() thereby discarding all the
cons cells that got created which weren't part of the result.
Overlap (or negative GC) isn't possible because we don't copy
cells beneath the low water mark.

As it turns out 44 bytes is all you need to implement garbage
collection when your language guarantees that data structures
can't have cycles, due to the lack of mutability.
 2021-11-21 09:21:53 -08:00