Virgil Dupras
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2cadae260d
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editor: add "U" word
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2020-04-17 07:51:59 -04:00 |
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Virgil Dupras
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9edab10a3a
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blk: add dirty flag and auto write blocks on fetch
Also, fix some PSP leaks related to LOAD.
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2020-04-16 20:59:20 -04:00 |
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Virgil Dupras
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79ce88c12c
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tools: add blkunpack
and remove cfspack, which will not ever be used again.
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2020-04-16 19:44:17 -04:00 |
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Virgil Dupras
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5cb4a7de9a
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Add word "C@+"
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2020-04-16 18:58:11 -04:00 |
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Virgil Dupras
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eefa8e6de5
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Add word "BLK!"
as well as emulator support for it. We can now write an edited
block back to "blkfs".
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2020-04-16 17:22:18 -04:00 |
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Virgil Dupras
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57e20f0532
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Block explorer upgraded to block editor!
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2020-04-16 15:59:43 -04:00 |
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Virgil Dupras
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5067d40e3b
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Add CASE..OF words
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2020-04-16 15:07:31 -04:00 |
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Virgil Dupras
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733aff7b7a
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rc2014: adjust bootstrapping instructions
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2020-04-16 09:27:49 -04:00 |
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Virgil Dupras
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65bc3b73ad
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link: adjust (br) and (?br) hardcoded offsets
They changed in my earlier commit.
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2020-04-16 09:26:01 -04:00 |
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Virgil Dupras
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b01de82fd1
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drv/acia: latest bells and whistles
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2020-04-16 08:18:55 -04:00 |
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Virgil Dupras
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4eca827d36
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First function application: Block explorer!
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2020-04-15 22:39:14 -04:00 |
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Virgil Dupras
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5d4155aa32
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Add words 1+ 2+ 1- 2- and consts 0 1 -1
Saves quite a few bytes in the final binary.
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2020-04-15 21:29:39 -04:00 |
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Virgil Dupras
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e1e634c815
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boot: compaction
It's more hassle than it seems to move the stable ABI...
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2020-04-15 20:57:46 -04:00 |
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Virgil Dupras
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f6727f8e34
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boot: use CODE where possible
Now that we use xcomp unit, boot entry creation can be a bit
cleaner.
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2020-04-15 20:17:28 -04:00 |
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Virgil Dupras
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a56ace4d3e
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boot: optimize (br)
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2020-04-15 20:03:56 -04:00 |
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Virgil Dupras
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0750e8d0c0
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Use IY for IP instead of RAM+06
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2020-04-15 17:01:15 -04:00 |
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Virgil Dupras
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2a84a426b4
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Strip usages of IY register
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2020-04-15 16:53:04 -04:00 |
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Virgil Dupras
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2b0186fd58
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boot: make routine field 1b
I forgot to do it earlier. NOP having an opcode of 0, it didn't have
any effect.
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2020-04-15 16:24:03 -04:00 |
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Virgil Dupras
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6884c5cbe3
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boot: use 3 labels instead of 4
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2020-04-15 16:13:10 -04:00 |
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Virgil Dupras
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d2ec5e271c
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Optimize boot binary's word execution code
Should be significantly faster now. Less push/popping and usage of
DE instead of IY.
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2020-04-15 16:09:10 -04:00 |
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Virgil Dupras
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d8de8a058a
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Make word routine refs 1b instead of 2
Saves quite a bit of binary space. More than 300 bytes in forth1.bin
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2020-04-15 15:16:11 -04:00 |
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Virgil Dupras
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e40c059c26
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Make word routines all in the <0x100 range
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2020-04-15 14:00:59 -04:00 |
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Virgil Dupras
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728e4ce123
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Bring EXECUTE word outside of stable ABI
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2020-04-15 13:36:28 -04:00 |
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Virgil Dupras
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22f132094a
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Clarify signed-ness
And fix broken negative display in ".".
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2020-04-15 12:29:47 -04:00 |
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Virgil Dupras
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b73e1a5f7a
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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,".
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2020-04-15 12:20:09 -04:00 |
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Virgil Dupras
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2439f1ed86
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Change SCMP for S=
Remove flagsToBC boot routine.
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2020-04-15 12:19:58 -04:00 |
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Virgil Dupras
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16d5cd91de
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emul: don't segfault on quit when there is no blkfs
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2020-04-15 10:56:49 -04:00 |
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Virgil Dupras
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c40f336959
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icore: extract "_pdacc" from "(parsed)"
Makes boot binary a bit bigger, but that "_pdacc" word will be
reused in high level apps.
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2020-04-15 10:41:27 -04:00 |
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Virgil Dupras
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79acf92b28
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emul: fix Makefile
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2020-04-15 09:01:09 -04:00 |
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Virgil Dupras
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415bd7a169
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Support nested LOAD
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2020-04-14 21:04:07 -04:00 |
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Virgil Dupras
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aec19e5c87
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Add word "LOAD"
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2020-04-14 18:15:07 -04:00 |
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Virgil Dupras
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a67101fb8b
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Add word "EMPTY"
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2020-04-14 16:07:07 -04:00 |
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Virgil Dupras
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add3b6629b
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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.
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2020-04-14 14:59:01 -04:00 |
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Virgil Dupras
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b8dd86bd18
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Move notes.txt in blk
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2020-04-14 14:54:42 -04:00 |
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Virgil Dupras
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1efb2821e3
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Make usage and dictionary documentation in-system
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2020-04-14 10:04:09 -04:00 |
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Virgil Dupras
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f59cac0588
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blk: first steps
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2020-04-14 09:07:20 -04:00 |
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Virgil Dupras
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d4cdb659b4
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tools: add blkpack
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2020-04-13 22:05:03 -04:00 |
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Virgil Dupras
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7292d486dc
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z80a: add stuctured flow words
Allow us to rely a little less on labels. We now only need 4.
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2020-04-13 20:34:53 -04:00 |
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Virgil Dupras
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7d184b9e70
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Use SUBHLss, macro more
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2020-04-13 19:31:23 -04:00 |
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Virgil Dupras
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d919a10265
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Remove runbin
It's not used
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2020-04-13 19:25:28 -04:00 |
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Virgil Dupras
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b536d3bfd6
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rc2014: complete the EEPROM recipe
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2020-04-13 14:41:02 -04:00 |
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Virgil Dupras
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d0545d555f
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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.
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2020-04-13 12:00:56 -04:00 |
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Virgil Dupras
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d08a9711c5
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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.
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2020-04-13 11:43:15 -04:00 |
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Virgil Dupras
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509972b08c
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tools: add exec and convert ./upload to Forth
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2020-04-13 10:25:27 -04:00 |
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Virgil Dupras
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1e0b40a876
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Add word "FORGET"
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2020-04-13 08:09:36 -04:00 |
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Virgil Dupras
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4c7dfe0dfe
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Add drv/at28
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2020-04-12 21:49:42 -04:00 |
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Virgil Dupras
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76e4422796
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Add adev unit
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2020-04-12 21:49:20 -04:00 |
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Virgil Dupras
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d996dd8c9e
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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.
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2020-04-12 20:42:00 -04:00 |
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Virgil Dupras
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d4f65911c0
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rc2014: add notes about stage3.bin
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2020-04-12 14:15:06 -04:00 |
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Virgil Dupras
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420836276d
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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.
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2020-04-12 14:01:54 -04:00 |
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