Virgil Dupras
a56ace4d3e
boot: optimize (br)
2020-04-15 20:03:56 -04:00
Virgil Dupras
0750e8d0c0
Use IY for IP instead of RAM+06
2020-04-15 17:01:15 -04:00
Virgil Dupras
2a84a426b4
Strip usages of IY register
2020-04-15 16:53:04 -04:00
Virgil Dupras
2b0186fd58
boot: make routine field 1b
...
I forgot to do it earlier. NOP having an opcode of 0, it didn't have
any effect.
2020-04-15 16:24:03 -04:00
Virgil Dupras
6884c5cbe3
boot: use 3 labels instead of 4
2020-04-15 16:13:10 -04:00
Virgil Dupras
d2ec5e271c
Optimize boot binary's word execution code
...
Should be significantly faster now. Less push/popping and usage of
DE instead of IY.
2020-04-15 16:09:10 -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
e40c059c26
Make word routines all in the <0x100 range
2020-04-15 14:00:59 -04:00
Virgil Dupras
728e4ce123
Bring EXECUTE word outside of stable ABI
2020-04-15 13:36:28 -04:00
Virgil Dupras
22f132094a
Clarify signed-ness
...
And fix broken negative display in ".".
2020-04-15 12:29:47 -04:00
Virgil Dupras
b73e1a5f7a
z80a: invert the meaning of IFZ, IFNZ, IFC, IFNC,
...
It is much less confusing when "IFZ," means "If Z is set, continue
into IF, else, jump to THEN,".
2020-04-15 12:20:09 -04:00
Virgil Dupras
2439f1ed86
Change SCMP for S=
...
Remove flagsToBC boot routine.
2020-04-15 12:19:58 -04:00
Virgil Dupras
16d5cd91de
emul: don't segfault on quit when there is no blkfs
2020-04-15 10:56:49 -04:00
Virgil Dupras
c40f336959
icore: extract "_pdacc" from "(parsed)"
...
Makes boot binary a bit bigger, but that "_pdacc" word will be
reused in high level apps.
2020-04-15 10:41:27 -04:00
Virgil Dupras
79acf92b28
emul: fix Makefile
2020-04-15 09:01:09 -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
add3b6629b
Make DO .. LOOP binary code more compact
...
Only a few bytes saved in forth1.bin, but the DO .. LOOP construct
isn't used much yet. It's still significant savings per LOOP call.
2020-04-14 14:59:01 -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
f59cac0588
blk: first steps
2020-04-14 09:07:20 -04:00
Virgil Dupras
d4cdb659b4
tools: add blkpack
2020-04-13 22:05:03 -04:00
Virgil Dupras
7292d486dc
z80a: add stuctured flow words
...
Allow us to rely a little less on labels. We now only need 4.
2020-04-13 20:34:53 -04:00
Virgil Dupras
7d184b9e70
Use SUBHLss, macro more
2020-04-13 19:31:23 -04:00
Virgil Dupras
d919a10265
Remove runbin
...
It's not used
2020-04-13 19:25:28 -04:00
Virgil Dupras
b536d3bfd6
rc2014: complete the EEPROM recipe
2020-04-13 14:41:02 -04:00
Virgil Dupras
d0545d555f
upload: use A! instead of C!
...
It makes the tool much more versatile. I'll have adev being included
in all recipes, so it can be assumed.
2020-04-13 12:00:56 -04:00
Virgil Dupras
d08a9711c5
boot: make HERE point to RAMEND instead of CURRENT
...
The former was only used in the peculiar context of "/emul". The
regular case is actually HERE pointing to RAMEND on boot.
2020-04-13 11:43:15 -04:00
Virgil Dupras
509972b08c
tools: add exec and convert ./upload to Forth
2020-04-13 10:25:27 -04:00
Virgil Dupras
1e0b40a876
Add word "FORGET"
2020-04-13 08:09:36 -04:00
Virgil Dupras
4c7dfe0dfe
Add drv/at28
2020-04-12 21:49:42 -04:00
Virgil Dupras
76e4422796
Add adev unit
2020-04-12 21:49:20 -04:00
Virgil Dupras
d996dd8c9e
Add one layer of indirection in subsystem memory management
...
This allows optional subsystems to not needlessly reserve too much
system memory and it also reduces offsets bookkeeping.
2020-04-12 20:42:00 -04:00
Virgil Dupras
d4f65911c0
rc2014: add notes about stage3.bin
2020-04-12 14:15:06 -04:00
Virgil Dupras
420836276d
readln: rename (c<) to (rdln<)
...
so that it isn't picked up automatically at boot. Only when (c<$) is
called do we override (c<). This fixes tricky boot problems.
2020-04-12 14:01:54 -04:00
Virgil Dupras
d6c9ab3f32
tools/stripfc: strip a little bit more
2020-04-12 12:47:50 -04:00
Virgil Dupras
9548514ff0
rc2014: dictionary relinking now works!
2020-04-12 10:24:53 -04:00
Virgil Dupras
06d0a02c12
link: fix LITA processing
2020-04-12 09:36:10 -04:00
Virgil Dupras
9390479d49
link: minor tweaks
2020-04-11 18:43:43 -04:00
Virgil Dupras
bf447f58c5
link: handle doesWord
2020-04-11 16:38:45 -04:00
Virgil Dupras
13cf294201
rc2014/acia: adjust to latest developments
2020-04-11 15:11:36 -04:00
Virgil Dupras
3accc73f38
link: add LITA handling
2020-04-11 14:02:42 -04:00
Virgil Dupras
c515720e23
Revert "Remove link.fs"
...
Let's revisit the relinking approach, with LITA this time.
This reverts commit 6652125d47
2020-04-11 13:31:17 -04:00
Virgil Dupras
0c6cabfd33
doc improvement
2020-04-11 13:19:30 -04:00
Virgil Dupras
af3db1c3cf
Add word "LITA"
2020-04-11 13:13:20 -04:00
Virgil Dupras
3822182226
xcomp: shrink scope
...
It seems that xcomp can't manage to reliably compile core+ units.
Let's limit the role of xcomp to z80c+icore.
I'm getting a little desperate here. I'll revisit the link.fs approach
with a new idea I had...
2020-04-11 11:38:45 -04:00
Virgil Dupras
6368cc3bac
Remove (sysv)
...
Replace its usages with direct RAM+ offsets. The (sysv) mechanism was
incompatible with cross-compilation of a full interpreter.
2020-04-10 14:57:00 -04:00
Virgil Dupras
a6efb65010
emul: extract capture mark from icore into xstop.fs
2020-04-10 14:16:45 -04:00
Virgil Dupras
f62376bd0a
boot: remove _bend
...
It's not needed anymore now that the boot binary is built in one pass.
2020-04-10 09:59:45 -04:00
