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Author SHA1 Message Date
Virgil Dupras
a19376df6c Copy ACIA driver to blkfs 
We can get rid of acia.z80, but not of acia.fs yet, we still need it.
 2020-04-23 12:42:41 -04:00
Virgil Dupras
dd6ce1b8fe Avoid using (xentry) outside xcomp config 2020-04-23 12:09:31 -04:00
Virgil Dupras
fcd77f80ab Use blk's boot.z80 2020-04-22 21:49:44 -04:00
Virgil Dupras
503dbe9a2c Copy boot.z80 to blkfs 2020-04-22 21:19:12 -04:00
Virgil Dupras
338769a0a8 z80a: add PUSH0, PUSH1, PUSHZ, macros 2020-04-22 19:03:32 -04:00
Virgil Dupras
7464c67c80 boot: fix (roll) 
It didn't work for values over 0xff. Duh!
 2020-04-22 10:47:23 -04:00
Virgil Dupras
7a0e63746f parse: don't validate 0x and 0b lengths 
It doesn't serve much purpose and takes up many precious bytes. And,
after all, parsed didn't do it either...
 2020-04-21 20:40:23 -04:00
Virgil Dupras
372524fd19 Move xcomp to blocks 2020-04-21 20:30:14 -04:00
Virgil Dupras
446ce574cd Add words "'S" and "S0" 2020-04-21 07:45:23 -04:00
Virgil Dupras
ae14c55feb boot: a little dereferencing to make things a bit faster 2020-04-20 23:30:08 -04:00
Virgil Dupras
e569e40665 Forth-ify 2DUP 2OVER 2SWAP 
2DROP was left in boot.z80 because it's used in icore.
 2020-04-20 23:18:57 -04:00
Virgil Dupras
0438cb92fe Add word "ROLL" 2020-04-20 23:06:39 -04:00
Virgil Dupras
2de1eabaa6 z80a: add LDIR, LDDR, and friends 2020-04-20 21:36:29 -04:00
Virgil Dupras
4967c2add2 Merge z80c.fs and boot.fs into boot.z80 2020-04-20 21:27:34 -04:00
Virgil Dupras
41ed70f8cb z80c: Add word "PICK" 2020-04-20 21:22:07 -04:00
Virgil Dupras
58c017448f z80a: add JPccnn, 2020-04-20 21:18:33 -04:00
Virgil Dupras
353d12c27d boot: inline chkRS, make next a bit faster 2020-04-20 20:28:25 -04:00
Virgil Dupras
bf49ca2ed2 recipes/rc2014: fix Makefile 
It didn't have z80a anymore.
 2020-04-20 19:22:43 -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
6ae65940d2 Update bootstrap bin 
It seems that I had forgotten in an earlier commit.
 2020-04-19 20:57:09 -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
98191d0b0d recipes/rc2014/sdcard: now works under Forth! 2020-04-19 16:56:37 -04:00
Virgil Dupras
dfaa1dc101 link: add "offset" argument to RLDICT 
As long as our target was the first word of the "user" dict, using
target's prev to compute offset was fine, but when the target is not
the first word, this system breaks down.

This is the case when, instead of including source code in our boot
binary, we paste it in Collapse OS' prompt.

Also, adjust RC2014 recipe to include stage 3 assembling instructions
with the "paste into prompt" method.
 2020-04-19 16:28:40 -04:00
Virgil Dupras
29a6ee128d core: fix PSP leak in CASE..ENDCASE 2020-04-18 22:05:11 -04:00
Virgil Dupras
a2d89de557 drv/sdc: implement core words in z80 
In addition to making the driver significantly faster, it allows us
to make SDC port configuration opaque to sdc.fs.
 2020-04-18 20:33:51 -04:00
Virgil Dupras
a70366aa43 drv/sdc: Implement SDC! 
This has been tested in the RC2014 emulator. I could edit blocks with
the Block Editor and they would correctly be written to SDC.
 2020-04-18 19:39:28 -04:00
Virgil Dupras
47a7133b8b drv/sdc: Implement "SDC@" as a BLK@ word 
"0 LIST" in the RC2014 emulator w/ SD card works!
 2020-04-18 18:00:13 -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
052c744000 drv/sdc: implement "SDC@" 
I can read a block from blkfs in RC2014 emulator. It even checks
CRC16 successfully!
 2020-04-18 14:22:26 -04:00
Virgil Dupras
c64a8a2e2b drv/sdc: new unit to drive SD card through SPI relay 
Goes through initialization in RC2014 emulator.
 2020-04-18 11:11:11 -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
19d94dfb47 recipes/rc2014: stage1 is too big! saving some space 
stripfc requires 2 spaces before "(" to strip a comment. This was
a low hanging fruit for me to get stage1.bin under the 8K line.

That thing is getting tight...
 2020-04-17 21:10:48 -04:00
Virgil Dupras
287213fc68 recipes/rc2014/eeprom: remove old stuff 2020-04-17 21:10:20 -04:00
Virgil Dupras
82044454d5 Merge branch 'master' into forth 2020-04-17 20:39:08 -04:00
Virgil Dupras
9c41744e46 emul/hw/rc2014: implement blk write in sdc 
All of that should help me implement sdc support much faster in
Forth.
 2020-04-17 20:19:55 -04:00
Virgil Dupras
7544b3834b emul/hw/rc2014: implement blkread in sdc 
I now get to "fls" in recipes/rc2014/sdcard!
 2020-04-17 19:10:22 -04:00
Virgil Dupras
ae470397d7 emul/hw/rc2014: add sdc emulator (wip) 
so far, it goes through initialization with the rc2014/sdcard recipe.
 2020-04-17 15:11:32 -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
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
5067d40e3b Add CASE..OF words 2020-04-16 15:07:31 -04:00
Virgil Dupras
733aff7b7a rc2014: adjust bootstrapping instructions 2020-04-16 09:27:49 -04:00
Virgil Dupras
65bc3b73ad link: adjust (br) and (?br) hardcoded offsets 
They changed in my earlier commit.
 2020-04-16 09:26:01 -04:00
Virgil Dupras
b01de82fd1 drv/acia: latest bells and whistles 2020-04-16 08:18:55 -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