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368 Commits 4 Branches 0 Tags 10 MiB
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368 Commits

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Author SHA1 Message Date
Virgil Dupras
ff7a114736 zasm: update bootstrap bin 2019-07-02 14:12:49 -04:00
Virgil Dupras
54b0602710 zasm: add support for RES and SET 2019-07-02 14:12:29 -04:00
Virgil Dupras
dd84c11905 recipes/sms: Add pad-oriented character selection 2019-07-02 13:15:24 -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
bd003829e8 recipes/sms: plug shell in! 
Now this is getting eminently exciting!
 2019-07-02 11:14:30 -04:00
Virgil Dupras
404dbd0ddd sms/vdp: handle CR and LF 2019-07-02 11:14:16 -04:00
Virgil Dupras
767db17252 recipes/sms: hitting a button now adds a char on the screen 2019-07-02 10:49:30 -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
ca5bc07a75 recipes/sms: show all letters in font when Start is pressed 2019-07-01 16:15:46 -04:00
Virgil Dupras
ba2804a255 recipes/sms: add controller support 2019-07-01 15:46:10 -04:00
Virgil Dupras
95fa473641 recipes/sms: New section for Sega Master System 2019-07-01 11:05:25 -04:00
Virgil Dupras
63486126ef zasm: update bootstrap bin 2019-07-01 10:56:38 -04:00
Virgil Dupras
3a8b5108f7 zasm: make .fill support word arguments 2019-07-01 10:56:03 -04:00
Virgil Dupras
2efe887434 recipes/rc2014/ps2: add schema 2019-06-30 17:37:18 -04:00
Virgil Dupras
e3eea8839b recipes/rc2014/ps2: works rather well now! 2019-06-30 14:16:00 -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
2c6ab08d51 recipes/rc2014/ps2: add "resend" requests on parity check failures 2019-06-30 11:17:12 -04:00
Virgil Dupras
0f82ebe02d recipes/rc2014/ps2: add parity checks 
Also, add timer to reset reception status after 100us.
 2019-06-29 20:45:08 -04:00
Virgil Dupras
360446e731 recipes/rc2014/ps2: don't alter SREG in hdlPCINT 2019-06-29 15:47:02 -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
3cdb25bfda recipes/rc2014/ps2: implement scan code buffer 2019-06-29 11:18:37 -04:00
Virgil Dupras
20a7ad231f recipes/rc2014/pc2: new recipe (WIP) 2019-06-28 22:54:57 -04:00
Virgil Dupras
2d0f8ffac4 Update README 2019-06-19 19:10:58 -04:00
Virgil Dupras
9fb77054c0 Update docs w.r.t. its relationship with scas 2019-06-19 13:34:06 -04:00
Virgil Dupras
d6b391e39a Update bootstrap binaries 2019-06-19 13:22:51 -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
7cdc288ef2 zasm: print progress indicator while assembling 2019-06-19 11:42:39 -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
6df77ddef3 recipes/rc2014/zasm: we can now assemble the recipe's kernel 2019-06-18 22:07:44 -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
6516ff7212 zasm: add support for "XOR n" and "SLA r" 2019-06-18 14:24:43 -04:00
Virgil Dupras
0a36ea0815 recipes/rc2014/zasm: add unpack + verification 2019-06-17 15:35:14 -04:00
Virgil Dupras
6f61aa404f tools/cfsunpack: new tool 2019-06-17 15:21:05 -04:00
Virgil Dupras
95b658897a recipes/rc2014/zasm: add instructions to assemble kernel 2019-06-17 14:19:49 -04:00
Virgil Dupras
3e437747c2 recipes/rc2014: add missing calls to fsInit 
Also, tighten RAM addresses. They were unecessarily loose.
 2019-06-17 13:46:33 -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
4b423a9dc6 tools/blkdump.py: new tool 
Also, rename "download.py" to "memdump.py".
 2019-06-17 09:02:01 -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
5e31de0bac apps/memt: new app 2019-06-16 20:53:21 -04:00