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424 Commits 4 Branches 0 Tags 10 MiB
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80 Commits

Author SHA1 Message Date
Virgil Dupras
518f12b07f sms/vdp: clear 2 lines forward when doing LF 
It allows to see much more easily where the action happens on the screen.
 2019-07-22 11:03:44 -04:00
Virgil Dupras
f43241a5a0 kbd: support shifted characters 2019-07-21 17:30:50 -04:00
Virgil Dupras
52e5f5b5bf kbd: simplify code 2019-07-21 16:58:16 -04:00
Virgil Dupras
77d805ea0f shell: allow cmds to be shorter than 4 chars 2019-07-21 15:57:55 -04:00
Virgil Dupras
01031a780a ed: Add 'w' command 2019-07-21 11:40:26 -04:00
Virgil Dupras
57e7b3ca05 recipes/sms/kbd: PS/2 keyboard adapter for the SMS! 2019-07-20 12:42:55 -04:00
Virgil Dupras
23354eba94 stdio: fix broken ReadC logic 
Looping inside ReadC broke the shell's hook logic. We have to
return immediately when nothing is typed.
 2019-07-19 14:44:47 -04:00
Virgil Dupras
253674ea05 Fix broken tests 
Also, make tests run in a *BSD environment
 2019-07-19 14:24:35 -04:00
Virgil Dupras
eefadc3917 ed: add support for 'a' and 'i' 2019-07-14 17:35:21 -04:00
Virgil Dupras
797cbdcc95 blockdev: protect IX in routines 
Sure, it's a bit slower, but it prevents a lot of hard to debug
problems. I don't have to want to remember "don't use IX if you
have any blk* calls". Let's optimize I/O later.
 2019-07-14 12:17:13 -04:00
Virgil Dupras
8af1cf468c ed: add 'd' cmd 2019-07-14 10:32:28 -04:00
Virgil Dupras
3861670bcc shell: don't parse empty cmds 2019-07-13 15:34:43 -04:00
Virgil Dupras
951dd2206d apps/ed: add the concept of "current line" 2019-07-13 15:28:44 -04:00
Virgil Dupras
921a109749 stdio: little tweaks 2019-07-13 09:28:35 -04:00
Virgil Dupras
e01ee170cb stdio: add stdioReadC 
A routine to conveniently read lines from TTY. Extracted from
shell. Will be used in other places.
 2019-07-13 09:19:01 -04:00
Virgil Dupras
ade9b96d14 sms/pad: make B jump to the next selection "class" 2019-07-02 16:18:00 -04:00
Virgil Dupras
162e503291 sms/vdp: properly protect AF on PutC 2019-07-02 15:54:07 -04:00
Virgil Dupras
f41508725d sms/pad: handle return properly 
That is, send current chr selection, and then, send LF.
 2019-07-02 15:23:28 -04:00
Virgil Dupras
9c87734499 sms/vdp: clear cursor before CR or BS 
This avoids having "ghost" chr selection sticking around.
 2019-07-02 15:22:14 -04:00
Virgil Dupras
2679172edf sms/vdp: implement "chrsel" hook 
This allows for outputting a character selection before it's given
through GetC. That allows a pad-oriented character selection scheme.
 2019-07-02 13:14:02 -04:00
Virgil Dupras
74de1c92cf sms/pad: implement character selection mechanism 
Still a bit rough around the edges, but still, works rather well.
 2019-07-02 13:12:52 -04:00
Virgil Dupras
748d7347c8 shell: add "loop hook" 
This hook is called during every iteration, allowing regular screen
refresh when video is involved.
 2019-07-02 13:11:37 -04:00
Virgil Dupras
404dbd0ddd sms/vdp: handle CR and LF 2019-07-02 11:14:16 -04:00
Virgil Dupras
2da4a3a87b sms/vdp: new module allowing PutC to spit chars in the VDP 2019-07-02 10:48:38 -04:00
Virgil Dupras
c5a0a6ff54 sms/pad: easily detect change in button config 2019-07-02 10:47:59 -04:00
Virgil Dupras
9eb80d5eac sms/pad: new module to manage Megadrive controller in SMS 2019-07-02 09:02:19 -04:00
Virgil Dupras
b7cda6ed14 shell: improve reliability 
Make ASCII_BS (sent when driven through kbd) make the same thing as
ASCII_DEL. Also, don't crash on filling the buffer.
 2019-06-30 13:25:14 -04:00
Virgil Dupras
ad31c7f7f5 kbd: make letters lowercase 
We'll make them uppercase when we'll add support for shift.
 2019-06-30 13:24:35 -04:00
Virgil Dupras
cd7743b3ae kbd: give the device a little breathing room in tight loops 2019-06-30 12:12:42 -04:00
Virgil Dupras
e44ebb08b2 recipes/rc2014/ps2: drive a shell with ps/2 kbd! 2019-06-29 14:26:03 -04:00
Virgil Dupras
9fb77054c0 Update docs w.r.t. its relationship with scas 2019-06-19 13:34:06 -04:00
Virgil Dupras
69fc2e3bf2 sdc: make sdcReadBlk return error on max retries 
It previously returned success!
 2019-06-19 13:22:07 -04:00
Virgil Dupras
66fbd20e21 sdc: tidy up 2019-06-19 09:24:16 -04:00
Virgil Dupras
d9ae82c81e sdc: enable CRC checks on blk write 2019-06-19 09:00:50 -04:00
Virgil Dupras
2ac16d4750 sdc: check CRC during sdcReadBlk 
When there's a mismatch, retry up to a certain number of times.

This makes random problem related to assembling big kernels go away! But
it also make SD card reading much slower...
 2019-06-18 22:03:48 -04:00
Virgil Dupras
cac9acca67 sdc: make some space in memory for buffer CRC 2019-06-18 15:21:58 -04:00
Virgil Dupras
34db493496 sdc: implement CRC7 computation on cmds 
For now, this achieves nothing else than wasting cycles, but this is the
first step in enabling CRC verifications (CMD59).

I think that this is where my random problems with assembling large
kernels from SDC come from: bad data that isn't detected. If that
happens when PGM loads programs in memory, then anything can happen.

`sdct`, when ran often enough, will error out or corrupt away (go
crazy)...
 2019-06-18 14:45:55 -04:00
Virgil Dupras
914c6d5abc Update comments 2019-06-17 13:42:53 -04:00
Virgil Dupras
00778f73e1 blockdev: fix bug recently introduced in load cmd 
It would always load one byte less than told... This time it's right on
the money :)
 2019-06-17 09:54:30 -04:00
Virgil Dupras
8cf9904f33 blockdev: fix load command over-loading a byte 
Calling `load` would always read one more byte than specified. Also,
make `0` mean `0x100`.
 2019-06-17 08:19:03 -04:00
Virgil Dupras
bd2877e012 shell: make arg in peek/poke mandatory 
Also, make `0` mean `0x100`.
 2019-06-17 08:18:28 -04:00
Virgil Dupras
7c23e5a9ef acia: protect DE during aciaInt 
I don't know why I haven't noticed it wasn't protected. It must have
been behind many random problems I've been having...
 2019-06-16 19:29:58 -04:00
Virgil Dupras
3e7d181d3c zasm: properly raise error on bas ioPutC calls 2019-06-15 20:01:17 -04:00
Virgil Dupras
4327153ffd zasm: fix include EOF detection 
That was an interesting bug. It didn't cause a problem in emulation, but
in an RC2014 on an SD card, an include that didn't end with two newlines
would cause an infinite loop.
 2019-06-15 15:50:27 -04:00
Virgil Dupras
92a04f4627 sdc: support 24-bit addressing 
Needed if we want to compile the kernel and zasm from within a SD card.
I didn't go straight for 32-bit because it was significantly more
complex and 24-bit give us 16M. Enough to go on for a while...
 2019-06-15 13:41:20 -04:00
Virgil Dupras
605c631dc0 shell: add support for backspace 
It doesn't sound like much, but that backspace key is often useful...
 2019-06-14 22:14:09 -04:00
Virgil Dupras
14cc2fb785 parse: fix option word default value 
Previously, an optional word argument would only have its first byte set
to zero.
 2019-06-14 21:10:18 -04:00
Virgil Dupras
145b48efb7 Add apps/sdct 
A new app to stress test the SD card driver. Also, accompanying this
commit, changes solidifying the SD card driver so that stress tests
actually pass :)
 2019-06-10 15:54:15 -04:00
Virgil Dupras
495d69c1cb sdc: make writing more solid 
By not waiting until the SD card wan't busy any more after a write, we
exposed ourselves to errors if another operation was attempted right
after it.
 2019-06-07 14:59:53 -04:00
Virgil Dupras
e046081900 sdc: add second buffer 2019-06-06 22:16:57 -04:00