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Commit Graph

53 Commits

Author SHA1 Message Date
Virgil Dupras
5a2612a9c5 Add HERESTART xcomp config 2020-06-28 19:45:28 -04:00
Virgil Dupras
3068b58be5 Rename RAMSTART to SYSVARS
It's more descriptive this way. Also, I'll soon add a new HERESTART
config.
2020-06-28 18:49:30 -04:00
Virgil Dupras
1312817117 z80: make boot binary a 2-part process
Previously, recipes that began spitting binary contents before
loading block 282 would end up with VARIABLE code in their binary,
thus breaking them. We fix this by making this loading process
2-part.
2020-06-26 21:41:17 -04:00
Virgil Dupras
b3e865d0fb recipes: use cvm's staging binary instead of emul's
Much faster!
2020-06-26 21:23:13 -04:00
Virgil Dupras
394f962510 recipe: fix makefiles for fresh clone contexts
All recipe makesfiles would previously assume a built emul/.

Fixes #113
2020-06-11 12:23:59 -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
ebc70be8e8 ti84: use dd instead of truncate
More portable
2020-05-15 17:25:58 -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
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
303b34b483 ti84: adapt recipe to single stage xcomp 2020-05-14 11:36:10 -04:00
Virgil Dupras
5446afd87d emul: rename stage2 to stage 2020-05-14 10:55:39 -04:00
Virgil Dupras
e6bac985fa Cross-compiles in a single stage!
Finally got rid of the XPACKed core and managed to cross-compile
all core words, which greatly simplifies the bootstrapping process.
2020-05-14 10:17:38 -04:00
Virgil Dupras
40a756cf1c Move a bunch of words from XPACKed core to xcomp core 2020-05-14 08:18:53 -04:00
Virgil Dupras
51997533ff Move a bunch of words from XPACKed core to xcomp core 2020-05-14 07:58:55 -04:00
Virgil Dupras
bb77cd0759 xcomp: add overrides into a loadable block
Makes xcomp.fs units shorter.
2020-05-13 13:33:24 -04:00
Virgil Dupras
0434d02818 xcomp: implement X['] 2020-05-13 13:24:58 -04:00
Virgil Dupras
7c20501f27 Move core's blk to xcomp core (low and high)
TODO: implement X['] so that I can remove those XCURRENT patterns.
2020-05-13 10:50:46 -04:00
Virgil Dupras
029df00ad4 Free some space for xcomp core 2020-05-13 09:11:57 -04:00
Virgil Dupras
d6a3e79394 Free some space for xcomp core low 2020-05-13 08:00:49 -04:00
Virgil Dupras
cbf5baf3b6 Pack core words a bit
This leaves space for xcomp-core which is growing.
2020-05-12 21:27:06 -04:00
Virgil Dupras
dfe474ca0e xcomp: add XCOMPILE and X[COMPILE]
This allows us to move words like ABORT" to xcomp-core, which is
I think the last roadblock before being able to unify all drivers
into a single xcomp layer.
2020-05-12 21:08:18 -04:00
Virgil Dupras
44b065ff99 ti84: unify drivers
No more low/high
2020-05-12 12:41:47 -04:00
Virgil Dupras
da371451cc Replace INITIAL_SP with PS_ADDR conf
Now I struggle to remember why I ever did things they way I did.
There must have been a reason...
2020-05-11 21:08:24 -04:00
Virgil Dupras
4e1fe916be ti84: working! 2020-05-10 14:56:07 -04:00
Virgil Dupras
2791dd992e ti84: offset binary by 0x100 to free space for TI-specific stuff
Not yet tried on real hardware, but we should be getting pretty
close...
2020-05-10 14:06:01 -04:00
Virgil Dupras
06a4674317 ti84: implement a-lock
There's a bug where the first char after a-lock isn't a-modded. I
have troubles figuring it out for now. It feels like deja vu. I
think I had the same problem with asm.
2020-05-10 09:37:36 -04:00
Virgil Dupras
244776a7eb ti84: enable alpha key 2020-05-09 20:54:47 -04:00
Virgil Dupras
abafd6d67b ti84: fix glitches 2020-05-09 15:31:41 -04:00
Virgil Dupras
e06d6c5345 ti84: we have a prompt 2020-05-09 14:28:55 -04:00
Virgil Dupras
4ce0727c72 ti84: kbd driver wip 2020-05-09 11:55:58 -04:00
Virgil Dupras
2f1e635b9d ti84: tidy up driver code
Pushed all words directly interfacing with ports and memory offsets to
low level layers. This saves us the need for keeping those variables in
runtime memory.
2020-05-09 08:50:55 -04:00
Virgil Dupras
afc2327770 Split icore in 2 parts
The goal is to insert device drivers in between.
2020-05-08 21:47:03 -04:00
Virgil Dupras
ffdc58739a ti84: HelloWorld!
In emulator of course...
2020-05-08 11:36:50 -04:00
Virgil Dupras
b90efb0f7f ti84: first glyph on screen!
On the emulator of course...
2020-05-08 09:07:44 -04:00
Virgil Dupras
58ec54fc97 ti84: wip
Gave more priority to CPU in the emulator because initialization would
otherwise be horrendously slow.
2020-05-08 07:56:34 -04:00
Virgil Dupras
114e753b64 ti84: WIP 2020-05-08 06:50:34 -04:00
Virgil Dupras
c7ef8bf915 recipes: add "make emul" targets where appropriate 2020-01-02 16:59:38 -05:00
Virgil Dupras
9216057db8 emul/hw: add TI-84+ emulator
I implement the screen using XCB which is much more friendly
than z80e's SDL+CMake for development machines that want to install
minimal dependencies (for example, a port-less OpenBSD rig).
2020-01-01 22:48:01 -05:00
Virgil Dupras
097c677641 emul/zasm: use libcfs
This allows us to get rid of the zasm.sh wrapper.
2019-12-31 15:07:39 -05:00
Virgil Dupras
5b155a5c15 tools: use BASIC's new while loop
Also, increase STDIO_BUFSIZE to 0x40 so that those while loops work.
2019-12-12 12:04:56 -05:00
Virgil Dupras
15e44ec524 doc: add TI83+/TI84+ doc page 2019-12-02 13:51:36 -05:00
Virgil Dupras
10864afa96 recipes/ti84: use the BASIC shell 2019-12-01 20:11:13 -05:00
Virgil Dupras
019d05f64c Make the shell a userspace app
That's my mega-commit you've all been waiting for.

The code for the shell share more routines with userspace apps than with kernel
units, because, well, its behavior is that of a userspace app, not a device
driver.

This created a weird situation with libraries and jump tables. Some routine
belonging to the `kernel/` directory felt weird there.

And then comes `apps/basic`, which will likely share even more code with the
shell. I was seeing myself creating huge jump tables to reuse code from the
shell. It didn't feel right.

Moreover, we'll probably want basic-like apps to optionnally replace the shell.

So here I am with this huge change in the project structure. I didn't test all
recipes on hardware yet, I will do later. I might have broken some...

But now, the structure feels better and the line between what belongs to
`kernel` and what belongs to `apps` feels clearer.
2019-11-15 15:37:49 -05:00
Virgil Dupras
7cf3ed38da Extract str.asm from core.asm and make core included by userspace
Most of register fiddling routines (which is now the only thing contained
in care.asm) are used by almost all userspace apps, often in inner loops.

That makes the penalty of using jump tables for those a bit too high.
Moreover, it burdens jump tables needlessly.

Because this unit is very small (now that string routines are out), it makes
sense to always include it in binaries.
2019-11-14 10:14:15 -05:00
Virgil Dupras
7274dccbe7 Move ASCII consts to ascii.h
And made them shorter in name. The new ascii.h file allow reuse in userspace
code.
2019-11-13 20:38:06 -05:00
Virgil Dupras
39f3637c60 recipes/ti84: TI-84+ base recipe is complete!
ref #41
2019-11-12 20:32:56 -05:00
Virgil Dupras
17cc28e211 recipes/ti84: use a 3x5 font instead of a 5x7 one
This allow a lot more characters to fit on that tiny screen...

ref #41
2019-11-11 13:26:24 -05:00
Virgil Dupras
a4190f9984 recipes/ti84: document usage
ref #41
2019-11-09 14:20:01 -05:00
Virgil Dupras
c896b77143 ti/kbd: implement A-Lock
ref #41
2019-11-08 20:27:43 -05:00
Virgil Dupras
dca6ce4e8e ti/kbd: begin GetC implementation
For now, only digits are scanned. Lifted from my "tiseg7" example.

ref #41
2019-11-08 14:04:56 -05:00