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author Curt Coder <curtcoder@mail.com>2020-08-22 15:46:15 +0300
committer Curt Coder <curtcoder@mail.com>2020-08-22 15:46:15 +0300
commitbb1670b623d41dd8f8bad21830957b25bc0ca0ca (patch)
tree1e5158165ab3375ee19fa3ba33c52db01b9b83aa
parent7174110a3d0b648f30d99c1ae183458d3a43a907 (diff)
abc80: Added a note regarding the slow floppy controller copy protection feature. [Curt Coder]
-rw-r--r--src/devices/bus/abcbus/lux10828.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/devices/bus/abcbus/lux10828.cpp b/src/devices/bus/abcbus/lux10828.cpp
index 6db3b9d2196..0307870256c 100644
--- a/src/devices/bus/abcbus/lux10828.cpp
+++ b/src/devices/bus/abcbus/lux10828.cpp
@@ -106,6 +106,9 @@ Notes:
0704: rr a
0706: call $073F
+ There is an alternate format function in the controller firmware that allows to set a secret byte which is stored in the sector header.
+ Copy protected software checks the secret byte read from the sector header and refuses to start if the disk has not been appropriately formatted.
+
*/
#include "emu.h"