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Author SHA1 Message Date
Virgil Dupras
3198cd8d08 emul/8086/pcat: fix broken AT-XY 2020-10-25 18:42:48 -04:00
Virgil Dupras
6947fea2a8 emul/z80: add SD card support to SMS 
It works (in emulation, but soon on real hardware!), but the LIST
command is awkward due to tight screen estate...
 2020-10-25 16:53:58 -04:00
Virgil Dupras
490eceab6d emul/z80: flatten directory structure 
I'm about to reuse sdc.c in sms.c and the old directory structure
was becoming awkward.
 2020-10-25 15:58:00 -04:00
Virgil Dupras
44abcaa8f8 emul/8086: a little bit of cleanup in cpu.c 
De-macroisation negatively impacts speed, but this emulator doesn't
need to be fast. Clear code is more important.
 2020-10-25 14:25:12 -04:00
Virgil Dupras
8760766bb4 emul/8086: cleanup a couple of ifdefs 
We assume CPU_V20 configuration at all times.
 2020-10-25 14:01:46 -04:00
Virgil Dupras
5a77b80d3d emul/8086/pcat: fix broken int13h logic 
I had forgotten that heads index increment before track index.
 2020-10-25 12:21:44 -04:00
Virgil Dupras
ba21b6a9f5 emul/8086: add PC/AT emulator 2020-10-25 10:27:52 -04:00
Virgil Dupras
c912158744 Run "all" tests under the 8086 emulator 2020-10-24 23:38:06 -04:00
Virgil Dupras
885e7db054 emul/8086: add BLK support 2020-10-24 23:20:20 -04:00
Virgil Dupras
de9103942d emul/8086: implement AT-XY 2020-10-24 23:00:45 -04:00
Virgil Dupras
d11ac3f006 emul/8086: and we have liftoff! 
Getting a Collapse OS prompt.
 2020-10-24 22:06:51 -04:00
Virgil Dupras
942a50a86d emul/8086: add INT hooks 2020-10-24 21:50:44 -04:00
Virgil Dupras
939c018792 emul/8086: wip 2020-10-24 20:41:51 -04:00
Virgil Dupras
efe4b13a4e Move /emul to /emul/z80 
I'm planning on adding other subfolders. 8086 for example...
 2020-10-24 16:50:22 -04:00
Virgil Dupras
329219fa89 emul: copy libz80 directly into tree, pre-generated 
libz80 doesn't move much anymore, there not much advantage to the
git module indirection.
 2020-10-24 15:42:08 -04:00
Virgil Dupras
c072096909 tests: run "generic" tests under all Collapse OS architectures 
There's no reason to run them only under CVM.
 2020-10-24 14:57:33 -04:00
Virgil Dupras
ae62e291e6 Update libz80 submodule 2020-10-24 14:46:21 -04:00
Virgil Dupras
46c95320af emul: bring "hw" subfolders one level higher 2020-10-24 14:37:19 -04:00
Virgil Dupras
8cecd54410 emul/sms: add PS/2 keyboard emulation 2020-10-24 11:18:48 -04:00
Virgil Dupras
cc8068f8ab emul: don't hardcode X11 keycodes in key handling routines 
I thought it wasn't possible with XCB to transform keycodes into
symbols for the current keyboard mapping, but I hadn't looked
hard enough.
 2020-10-23 21:33:56 -04:00
Virgil Dupras
473d04d7d9 recipes/sms: add cartridge hacking instructions 2020-10-12 21:39:53 -04:00
Virgil Dupras
1681e61956 emul/sms: don't hardcode name table offset 
Use reg 2 as specified.
 2020-10-12 21:11:46 -04:00
Virgil Dupras
6b895d0745 sms: explicitly set ourselves in IM 1 
I'm not sure if not setting IM 1 explicitly can be the source of bugs,
but SMS Power's tutorial mentions that everyone is doing it, so...
 2020-10-10 13:31:54 -04:00
Virgil Dupras
0d172cc2c4 tools: add smsrom 
Running a ROM on an everdrive is one thing, but running a ROM
directly is another: my hacked up sega.bin didn't have a proper
checksum, so the ROM didn't run.

This new tool transforms a binary into a properly-headered ROM.

Has been tested on an actual SMS.
 2020-10-10 13:30:43 -04:00
Virgil Dupras
32d5f87b4e sms: don't use BC 
The PAD driver was broken since IP moved to BC. Oops.
 2020-10-06 20:36:29 -04:00
Virgil Dupras
eafcb0c440 avrpgm: add EEPROM support 
also, verify all 3 first bytes of SPI commands. I'm not sure why
I wasn't doing that, probably because I was getting a lot of AVR
err and thought that only 2 bytes of the cmd were echoed. But now,
with a reliable SPI setup, verifying 3 bytes seems to work.
 2020-10-05 19:36:49 -04:00
Virgil Dupras
8630b0a8ed recipes/rc2014/avr: new recipe 2020-10-05 18:46:22 -04:00
Virgil Dupras
dafcf72d5b Add ATmega328P definitions 2020-10-05 16:56:09 -04:00
Virgil Dupras
ebafa79795 Improve AVR docs 
After many trials and errors in reliably accessing AVR chips through
my SPI relay design, I resigned myself to accepting 125kHz communication
speed with it. I find the complexity of solutions allowing to keep 250kHz
speeds to be excessive.
 2020-10-05 16:46:16 -04:00
Virgil Dupras
44bcdd4327 Document 8086 asm instructions list 
Also, remove needless argtype in CALL and RET
 2020-09-25 19:44:32 -04:00
Virgil Dupras
8bf6258673 Add word TICKS 
Adding a delay such as the 20ms one we have in AVR programmer's
initialization routine is tricky without a word like TICKS.

This implementation is highly inaccurate, but more accurate and
reliable than a "ballpark" DO..LOOP...
 2020-09-25 17:31:06 -04:00
Virgil Dupras
1195b0313b emul/rc2014: add support for Zilog SIO 
Very very simplistic, but works with our driver.
 2020-09-24 21:01:14 -04:00
Virgil Dupras
35840ad8e6 sdc: don't use ABORT" 
ABORT" doesn't work in xcomp.

Also, improve xcomp docs and fix misdocumentation.
 2020-09-24 13:10:41 -04:00
Virgil Dupras
25a35cf28e Move 8086 boot code from B800 to B440 
That slims down blkfs a lot.
 2020-09-21 20:09:42 -04:00
Virgil Dupras
037c10fc57 Move AVR programmer from B690 to B160 
Also, remove leftovers from previous move.
 2020-09-21 20:00:49 -04:00
Virgil Dupras
faf088b397 Move AVR assembler from B650 to B50 
And move its doc to doc/asm.txt
 2020-09-21 19:52:53 -04:00
Virgil Dupras
b21be43535 Move 8086 assembler from B730 to B30 
Also, move doc to doc/asm.txt.

Also, fix the pcat recipe which was broken since the overlay change.
I hadn't noticed it because I didn't have to rebuild the MBR.
 2020-09-21 19:24:54 -04:00
Virgil Dupras
91f79d1131 Move z80a from B200 to B5 
The idea is to consider assemblers as "runtime" apps instead of
placing them in the "bootstrap" section of the blocks. These apps
will be used for much more than bootstrapping.

Moved its documentation to doc/asm.txt and made its code blocks
more compact.
 2020-09-21 17:51:08 -04:00
Virgil Dupras
a348ee9106 Remove Extra words 
The few extra bytes they save in the core aren't worth the extra
complexity. This was initially done in a context where I had
troubles keeping the RC2014 binary with SDC inside the 8K limit.

At this point, even with the few extra bytes we add here, we're at
7200 bytes, so I'd say we're fine.
 2020-09-21 14:51:46 -04:00
Virgil Dupras
7a5744a4c3 Remove BROWSE and CASE 
With the Visual Editor, BROWSE is of dubious value. Even before that,
it was of dubious value. It's the only user of the CASE word, which
is also of dubious value: too complicated for its own good.

The CMD pattern used in VE is much better.
 2020-09-21 14:13:34 -04:00
Virgil Dupras
fea9beac1e recipes/pcat: move recipe blocks into local overlay 2020-09-20 20:48:52 -04:00
Virgil Dupras
475171d07b recipes/ti84: move recipe blocks into local overlay 2020-09-20 20:24:09 -04:00
Virgil Dupras
373d03e0b1 recipes/trs80: move recipe blocks into local overlay 2020-09-20 11:57:30 -04:00
Virgil Dupras
9aa3ae4c6b Fix tests 2020-09-20 10:52:15 -04:00
Virgil Dupras
97ec2569a0 recipes/rc2014: move recipe blocks into local overlay 2020-09-20 10:50:13 -04:00
Virgil Dupras
8e624034bf recipes/sms: move recipe blocks into local overlay 2020-09-20 10:21:21 -04:00
Virgil Dupras
c9ce0f8cfd tools/blkpack: support multiple dirname arguments 2020-09-20 09:38:28 -04:00
Virgil Dupras
e123c0e536 Fix asm in z80mbc2 recipe 2020-09-20 09:01:11 -04:00
Virgil Dupras
f7dc6a2b79 Fix sms and ti84 recipes 
Their asm code has been broken for a little while! oops!
 2020-09-19 21:03:18 -04:00
Virgil Dupras
b1a95648f1 De-stabilize EXIT 
This marks the end of wordrefs in stable ABI. Nice.
 2020-09-19 20:35:35 -04:00