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Commit Graph

6 Commits

Author SHA1 Message Date
Virgil Dupras
1a6a549857 Make the SPI Relay protocol support multiple devices
Working on programming AVR chips exposes a glaring omission in my
first design of the SPI Relay: not allowing multiple devices make
this task hard. I constantly have to unplug my SD card before, plug
the AVR chip holder, then play a bit, then unplug the AVR holder,
then replug the SD card...

My prototype for a SPI relay design is built, but I haven't tested
it yet. I need to adapt the code first, which is what I do here.

When the prototype is tested, I'll update the SDC recipe with a new
schema.
2020-09-17 09:48:55 -04:00
Virgil Dupras
a70366aa43 drv/sdc: Implement SDC!
This has been tested in the RC2014 emulator. I could edit blocks with
the Block Editor and they would correctly be written to SDC.
2020-04-18 19:39:28 -04:00
Virgil Dupras
c64a8a2e2b drv/sdc: new unit to drive SD card through SPI relay
Goes through initialization in RC2014 emulator.
2020-04-18 11:11:11 -04:00
Virgil Dupras
9c41744e46 emul/hw/rc2014: implement blk write in sdc
All of that should help me implement sdc support much faster in
Forth.
2020-04-17 20:19:55 -04:00
Virgil Dupras
7544b3834b emul/hw/rc2014: implement blkread in sdc
I now get to "fls" in recipes/rc2014/sdcard!
2020-04-17 19:10:22 -04:00
Virgil Dupras
ae470397d7 emul/hw/rc2014: add sdc emulator (wip)
so far, it goes through initialization with the rc2014/sdcard recipe.
2020-04-17 15:11:32 -04:00