Commit Graph

224 Commits

Author SHA1 Message Date
Virgil Dupras
58c017448f z80a: add JPccnn, 2020-04-20 21:18:33 -04:00
Virgil Dupras
d466c6d95d emul: make stage2 load z80a from blkfs
This allows us to remove forth/z80a.fs. Another big step towards
self-hosting!
2020-04-19 21:31:41 -04:00
Virgil Dupras
0892193cbe Copy z80a.fs to disk blocks
I don't remove z80a.fs yet because build process needs it, but that
will change shortly.
2020-04-19 20:36:13 -04:00
Virgil Dupras
f3c92684a0 link: improve reliability by never relinking last word
It's not possible to reliably determine its end and with some memory
initialization scenarios, it makes RLDICT fail.
2020-04-18 16:51:48 -04:00
Virgil Dupras
b062a9092a parse: use "0<" instead of "0 <"
As I wrote in my "Clarify signed-ness" commit, "0 <" is broken.

Also, made this unit a bit more compact. The RC2014 stage1 can
really use some breathing room...
2020-04-18 09:18:09 -04:00
Virgil Dupras
66f65daa08 Add word LEAVE 2020-04-18 08:37:57 -04:00
Virgil Dupras
2cadae260d editor: add "U" word 2020-04-17 07:51:59 -04:00
Virgil Dupras
9edab10a3a blk: add dirty flag and auto write blocks on fetch
Also, fix some PSP leaks related to LOAD.
2020-04-16 20:59:20 -04:00
Virgil Dupras
79ce88c12c tools: add blkunpack
and remove cfspack, which will not ever be used again.
2020-04-16 19:44:17 -04:00
Virgil Dupras
5cb4a7de9a Add word "C@+" 2020-04-16 18:58:11 -04:00
Virgil Dupras
57e20f0532 Block explorer upgraded to block editor! 2020-04-16 15:59:43 -04:00
Virgil Dupras
5067d40e3b Add CASE..OF words 2020-04-16 15:07:31 -04:00
Virgil Dupras
4eca827d36 First function application: Block explorer! 2020-04-15 22:39:14 -04:00
Virgil Dupras
5d4155aa32 Add words 1+ 2+ 1- 2- and consts 0 1 -1
Saves quite a few bytes in the final binary.
2020-04-15 21:29:39 -04:00
Virgil Dupras
0750e8d0c0 Use IY for IP instead of RAM+06 2020-04-15 17:01:15 -04:00
Virgil Dupras
d8de8a058a Make word routine refs 1b instead of 2
Saves quite a bit of binary space. More than 300 bytes in forth1.bin
2020-04-15 15:16:11 -04:00
Virgil Dupras
22f132094a Clarify signed-ness
And fix broken negative display in ".".
2020-04-15 12:29:47 -04:00
Virgil Dupras
2439f1ed86 Change SCMP for S=
Remove flagsToBC boot routine.
2020-04-15 12:19:58 -04:00
Virgil Dupras
415bd7a169 Support nested LOAD 2020-04-14 21:04:07 -04:00
Virgil Dupras
aec19e5c87 Add word "LOAD" 2020-04-14 18:15:07 -04:00
Virgil Dupras
a67101fb8b Add word "EMPTY" 2020-04-14 16:07:07 -04:00
Virgil Dupras
b8dd86bd18 Move notes.txt in blk 2020-04-14 14:54:42 -04:00
Virgil Dupras
1efb2821e3 Make usage and dictionary documentation in-system 2020-04-14 10:04:09 -04:00
Virgil Dupras
d4cdb659b4 tools: add blkpack 2020-04-13 22:05:03 -04:00