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1,261 Commits 4 Branches 0 Tags 10 MiB
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207 Commits

Author SHA1 Message Date
Virgil Dupras
6bff03a48b Move adev to core 
It's small enough to be worth it.
 2020-05-22 14:50:34 -04:00
Virgil Dupras
bb190f9665 Add word TUCK 2020-05-22 14:19:02 -04:00
Virgil Dupras
41d439376d Add word NIP 2020-05-22 14:19:02 -04:00
Virgil Dupras
f75b1c8864 Add word ?DUP 2020-05-22 14:19:02 -04:00
Virgil Dupras
ae87e88c52 Add 5x7 font 
Also, fix PSP leak in font compilers.
 2020-05-22 08:06:55 -04:00
Virgil Dupras
0939241db1 Add bootstrap guide 2020-05-21 15:25:12 -04:00
Virgil Dupras
e9e3bd80f6 ps2: fix PS2_SHIFT check 2020-05-21 08:53:36 -04:00
Virgil Dupras
7d28637740 ps2: add shift support 2020-05-20 20:31:56 -04:00
Virgil Dupras
b874a1c175 ps2: wip 2020-05-20 18:56:18 -04:00
Virgil Dupras
c86d8a74a0 sms/kbd: PS/2 driver WIP 2020-05-19 21:18:44 -04:00
Virgil Dupras
aad6b5c2e5 avra: add global constants 2020-05-19 10:48:48 -04:00
Virgil Dupras
ac309bbd9e avra: rename AGAIN, to AGAIN?, 
AGAIN, becomes a shortcut for "' RJMP AGAIN?,"
 2020-05-19 10:36:07 -04:00
Virgil Dupras
7a41c5c6f9 avra: add IF, .. THEN, 
I decided to keep SKIP, .. TO, (renamed from AT,) around and limit
IF, .. THEN, to the simple BRNE case.
 2020-05-19 10:26:57 -04:00
Virgil Dupras
8bbd29d37d avra: add SKIP, .. AT, 
Will change to IF, .. THEN, but I need a way to easily reverse a
BR op. But from this commit, the translation of sms/kbd/ps2ctl.asm
is complete! perfect binary match!
 2020-05-19 10:19:37 -04:00
Virgil Dupras
8ca85abfbd avra: add BEGIN, .. AGAIN, 2020-05-19 07:39:34 -04:00
Virgil Dupras
7b7e60ed4a avra: implement LD/ST 
Still making great progress on sms/kbd/ps2ctl. Still matching ref
binary.
 2020-05-18 22:28:58 -04:00
Virgil Dupras
e0bc14e55c avra: implement BR* 
Getting good! still advancing on ps2ctl in sms/kbd and still
matching reference binary.
 2020-05-18 20:34:06 -04:00
Virgil Dupras
cdddfdefae avra: add a layer of indirection to FLBL! 
This will make it easier to fit BR* in there.
 2020-05-18 19:45:30 -04:00
Virgil Dupras
63dec372ce sms/kbd: continue advancing on ps2ctl rewrite 
Still binary matching. Next step is branching support.
 2020-05-17 21:10:02 -04:00
Virgil Dupras
177e70580f sms/kbd: begin rewriting ps2ctl to Forth 
So far, the resulting binary matches.
 2020-05-17 14:24:27 -04:00
Virgil Dupras
8c4c879a65 avra: begin implementing forward label system 2020-05-17 11:04:08 -04:00
Virgil Dupras
212126d6d2 avra: add RJMP and RCALL 2020-05-17 10:13:43 -04:00
Virgil Dupras
b5d42924ba avra: add arg range checks 2020-05-17 09:30:36 -04:00
Virgil Dupras
5227777b34 avra: add OPb and OPRdb instr classes 2020-05-17 08:57:23 -04:00
Virgil Dupras
2e23b84fc1 avra: simplify OPRdRr 2020-05-16 22:16:41 -04:00
Virgil Dupras
75a1b2d504 avra: add OPAb instr class 2020-05-16 21:59:07 -04:00
Virgil Dupras
322be4d576 avra: add OPNA instr class 2020-05-16 21:44:47 -04:00
Virgil Dupras
0f2d14ad8a z80a: add BREAK, instruction 
This allows us to remove a lot of labels usage in boot code. This
commit has no effect on forth.bin.
 2020-05-16 21:02:50 -04:00
Virgil Dupras
fd597d29d2 boot: remove spurious label usage 2020-05-16 19:47:34 -04:00
Virgil Dupras
ee3407bf1c avra: first steps 2020-05-16 09:51:02 -04:00
Virgil Dupras
863540f7c6 core: define H@ a bit sooner 2020-05-15 22:59:38 -04:00
Virgil Dupras
bd38d80f9c Move Cross-compiled core from B390 to B350 
and renamed it "Core words". Also, reworded the presentation.
 2020-05-15 22:44:49 -04:00
Virgil Dupras
f2817870aa sms: working on real hardware! 2020-05-15 21:53:26 -04:00
Virgil Dupras
7ceff6144c sms: implement pad button B ( next class ) 2020-05-15 21:18:32 -04:00
Virgil Dupras
b6c039589f Don't emit BS when at beginning of input buffer 2020-05-15 20:51:09 -04:00
Virgil Dupras
aad713c477 sms: implement backspace with pad button A 2020-05-15 20:32:04 -04:00
Virgil Dupras
fdea069544 sms: implement button C and Start in Pad 2020-05-15 17:46:18 -04:00
Virgil Dupras
852c775b5b sms: implement linefeed in VDP 2020-05-15 16:08:27 -04:00
Virgil Dupras
f9a8e6f180 sms: Pad WIP 2020-05-15 15:41:06 -04:00
Virgil Dupras
1597f1e131 Don't generalize XYPOS just yet 
It was ill-advised.
 2020-05-15 14:09:31 -04:00
Virgil Dupras
db9885b8cf Rename (find) to FIND 
I hadn't noticed that this word was almost ANS compliant.
 2020-05-15 12:50:14 -04:00
Virgil Dupras
175b4bc497 sms: CollapseOS prompt! 2020-05-15 12:46:25 -04:00
Virgil Dupras
ca60685067 Streamline initialization process 
Instead of letting each configuration taking care of RDLN$ and
"CollapseOS" prompt, move this to BOOT to simplify xcomp units.

Initialization source code is now only for driver initialization.
 2020-05-15 11:34:35 -04:00
Virgil Dupras
0163af470a Fix EOT behavior after QUIT 
Previously, calling quit would break EOT behavior and not properly
quit Collapse OS.
 2020-05-15 10:19:39 -04:00
Virgil Dupras
43eabf566b sms: WIP ! 2020-05-14 22:15:31 -04:00
Virgil Dupras
87b51a6261 By default, allocate about 0x100 bytes for PSP+RSP 
During "make updatebootstrap", we use less than 0x20 bytes on the
PSP side and less than 0x40 bytes on the RSP one. 0x100 bytes ought
to be enough for anybody.
 2020-05-14 18:41:09 -04:00
Virgil Dupras
bf289b0a67 z80a: de-variable-ize 
Use straight VARIABLE instead of Z80MEM+. Initially, I used this
system to allow z80a to be embedded in a system binary, but now
I don't think it's worth it. Compiled, z80a is 2.5k. Sure, it's a
sizeable amount of RAM, but I think that even with it in RAM, I'll
manage a bootstrap within my most constrained machine, the SMS with
8K.
 2020-05-14 15:29:22 -04:00
Virgil Dupras
3fbae082f4 Remove INTJUMP mechanism 
Not worth the trouble. Easier to set jump in binary directly.
 2020-05-14 15:13:16 -04:00
Virgil Dupras
a5269a1c7c Make blk use system RAM 2020-05-14 14:51:20 -04:00
Virgil Dupras
eec9549bde Make rdln use system RAM 2020-05-14 14:26:56 -04:00