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Commit Graph

10 Commits

Author SHA1 Message Date
Virgil Dupras
389b23fe1a Change C<? mechanic
It's now a simple flag updated by the C< implementation. No more
routine pointer.

The goal is to avoid tons of "ok" during a LOAD operation.
2020-04-25 09:10:25 -04:00
Virgil Dupras
816563e2e3 Stop LOADing on ABORT
This is done by adding a "C<* override" layer that is reset to 0 on
ABORT.

The problem was that when ABORT happened during a LOAD, we had a
resetted RSP and started from a clean INTERPRET, but LOAD didn't
have the opportunity to restore C<*, which caused it to continue
interpreting from the faulty BLK.

With a C<* override, we don't need to *restore* C<*, we just need to
clear the override.
2020-04-24 14:10:40 -04:00
Virgil Dupras
503dbe9a2c Copy boot.z80 to blkfs 2020-04-22 21:19:12 -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
eefa8e6de5 Add word "BLK!"
as well as emulator support for it. We can now write an edited
block back to "blkfs".
2020-04-16 17:22:18 -04:00
Virgil Dupras
57e20f0532 Block explorer upgraded to block editor! 2020-04-16 15:59:43 -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
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
f59cac0588 blk: first steps 2020-04-14 09:07:20 -04:00