recipes/rc2014: fix out-of-date information

recipes/rc2014/sdcard/README.md

@@ -70,13 +70,15 @@ instead.
 
 ## Building your binary
 
-The binary built in the base recipe doesn't have SDC drivers. Using the same
-instructions as in the `eeprom` recipe, you'll need to assemble a binary with
-those drivers. First, we need drivers for the SPI relay. This is done by
-declaring `SPI_DATA`, `SPI_CSLOW` and `SPI_CSHIGH`, which are respectively `4`,
-`5` and `6` in our relay design. You can then load the driver with `596 LOAD`.
-This driver provides `(spix)`, `(spie)` and `(spid)` which are then used in the
-SDC driver.
+The binary built in the base recipe doesn't have SDC drivers. You'll need to
+assemble a binary with those drivers. To do so, you'll modify the xcomp unit
+of the base recipe. Look at `xcomp.fs`, you'll see that we load a block. That's
+our xcomp block (likely, B599). Open it.
+
+First, we need drivers for the SPI relay. This is done by declaring `SPI_DATA`,
+`SPI_CSLOW` and `SPI_CSHIGH`, which are respectively `4`, `5` and `6` in our
+relay design. You can then load the driver with `596 LOAD`. This driver provides
+`(spix)`, `(spie)` and `(spid)` which are then used in the SDC driver.
 
 The SDC driver is at B420. It gives you a load range. This means that what
 you need to insert in `xcomp` will look like:
@@ -85,7 +87,8 @@ you need to insert in `xcomp` will look like:
 
 You also need to add `BLK$` to the init sequence.
 
-Build it and write it to EEPROM.
+Build it (run `make pack` in `cvm/` first to ensure an up-to-date blkfs) and
+write it to EEPROM.
 
 ## Testing in the emulator
 

recipes/rc2014/selfhost/README.md

@@ -15,10 +15,10 @@ Build Collapse OS' from within Collapse OS is very similar to how we do
 it from the makefile. If you take the time to look at the base recipe
 `Makefile`, you'll see `cat xcomp.fs | $(STAGE)`. That's the thing.  Open
 `xcomp.fs` in a text editor and take a look at it. You'll see that it loads
-B618, which contains the meat, and then spits stuff to port 2, which is a
+B599, which contains the meat, and then spits stuff to port 2, which is a
 special signal for the `stage` binary.
 
-To assemble from RC2014, all you need to do is load B618. This will
+To assemble from RC2014, all you need to do is load B599. This will
 yield a binary in memory. To know the start/end offset of the binary, you'll
 type the same two commands and in `xcomp.fs`, but replace the `/MOD 2 PC! 2 PC!`
 words with `.X`. Then, write that binary between those offsets on your target