Bitfire loader support

Most productions from CSDb crediting Bitbreaker for the loader have been tested and work. See the table at the end of doc/bitfire.txt for details.
thierer · Aug 31, 2023 · bc56ffa · bc56ffa
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diff --git a/NEWS b/NEWS
@@ -20,7 +20,7 @@
         - New fastloader: Hypra-Load
         - create D64 images in the FAT FS with N: if no image is mounted
         - Krill's IRQ loader
-        - Demo loaders: BoozeLoader, Spindle
+        - Demo loaders: Bitfire, BoozeLoader, Spindle
 
 2012-02-26 - release 0.10.3
         - Bugfix: Un-break I2C display communication

diff --git a/README b/README
@@ -776,22 +776,22 @@ Note: Using sd2iec without an external crystal or similiar precise
   loader were tested. Other productions might use configuration
   options which are not supported and therefore might not work.
 
-  BoozeLoader
-  -----------
-
-  The loader uses sector addressing in combination with a non-standard
-  directory and therefore only works from the original D64 images, not
-  from the FAT filesytem.
-
-  Spindle
-  -------
-
-  The loader only works from the original D64 images, not from the FAT
-  filesytem.
-
-  Like Krill's Loader, Spindle >= 3.0 includes an ATN responder, which
-  activates "Sleep Mode" in a sd2iec present on the bus as a passive
-  device.
+  Demo loaders: Bitfire, BoozeLoader, Spindle
+  -------------------------------------------
+
+  All these loaders use sector addressing and non-standard directories
+  and therefore only work from the original D64 images, not from the
+  FAT filesytem.
+
+  Like Krill's Loader, Bitfire >= 1.0 and Spindle >= 3.0 include an
+  ATN responder which activates "Sleep Mode" in a sd2iec present on
+  the bus as a passive device.
+
+  With a few exceptions, only productions released on CSDb which
+  credit the respective author for the loader were tested. Others
+  might not work. For a list of known productions using these loaders
+  and known issues, see the tables at the end of the respective
+  documents in the "doc" directory of this repository.
 
 JiffyDOS:
 =========

diff --git a/configs/config-arm2iec1 b/configs/config-arm2iec1
@@ -75,3 +75,4 @@ CONFIG_LOADER_HYPRALOAD=n
 CONFIG_LOADER_KRILL=n
 CONFIG_LOADER_BOOZE=n
 CONFIG_LOADER_SPINDLE=n
+CONFIG_LOADER_BITFIRE=n
diff --git a/configs/config-example b/configs/config-example
@@ -132,6 +132,9 @@ CONFIG_LOADER_BOOZE=n
 # Enable Spindle loader
 CONFIG_LOADER_SPINDLE=n
 
+# Enable Bitfire loader
+CONFIG_LOADER_BITFIRE=n
+
 # Enable DolphinDOS parallel speeder
 CONFIG_PARALLEL_DOLPHIN=y
 

diff --git a/configs/config-larsp b/configs/config-larsp
@@ -71,3 +71,4 @@ CONFIG_LOADER_HYPRALOAD=y
 CONFIG_LOADER_KRILL=y
 CONFIG_LOADER_BOOZE=y
 CONFIG_LOADER_SPINDLE=y
+CONFIG_LOADER_BITFIRE=y
diff --git a/configs/config-mbed b/configs/config-mbed
@@ -51,6 +51,7 @@ CONFIG_LOADER_HYPRALOAD=n
 CONFIG_LOADER_KRILL=n
 CONFIG_LOADER_BOOZE=n
 CONFIG_LOADER_SPINDLE=n
+CONFIG_LOADER_BITFIRE=n
 CONFIG_HARDWARE_VARIANT=100
 CONFIG_HARDWARE_NAME=sd2iec-mbed
 CONFIG_SD_AUTO_RETRIES=10

diff --git a/configs/config-sw1 b/configs/config-sw1
@@ -69,3 +69,4 @@ CONFIG_LOADER_HYPRALOAD=y
 CONFIG_LOADER_KRILL=y
 CONFIG_LOADER_BOOZE=y
 CONFIG_LOADER_SPINDLE=y
+CONFIG_LOADER_BITFIRE=y
diff --git a/configs/config-sw2 b/configs/config-sw2
@@ -71,3 +71,4 @@ CONFIG_LOADER_HYPRALOAD=y
 CONFIG_LOADER_KRILL=y
 CONFIG_LOADER_BOOZE=y
 CONFIG_LOADER_SPINDLE=y
+CONFIG_LOADER_BITFIRE=y
diff --git a/configs/config-uIEC b/configs/config-uIEC
@@ -73,3 +73,4 @@ CONFIG_LOADER_HYPRALOAD=y
 CONFIG_LOADER_KRILL=y
 CONFIG_LOADER_BOOZE=y
 CONFIG_LOADER_SPINDLE=y
+CONFIG_LOADER_BITFIRE=y
diff --git a/configs/config-uIEC3 b/configs/config-uIEC3
@@ -71,3 +71,4 @@ CONFIG_LOADER_HYPRALOAD=y
 CONFIG_LOADER_KRILL=y
 CONFIG_LOADER_BOOZE=y
 CONFIG_LOADER_SPINDLE=y
+CONFIG_LOADER_BITFIRE=y