Fixed disk emulation to handle quarter track seeking.

[apple2] / src / harddrive.cpp

diff --git a/src/harddrive.cpp b/src/harddrive.cpp
new file mode 100644 (file)
index 0000000..0e6a994
--- /dev/null
+++ b/src/harddrive.cpp
@@ -0,0 +1,25 @@
+//
+// Hard drive support
+//
+// by James Hammons
+// (C) 2019 Underground Software
+//
+// This is done by emulating the Apple 2 High-Speed SCSI card.
+//
+// How it works:
+//
+// First 1K is the driver ROM, repeated four times.  After that, there are 31 1K
+// chunks that are addressed in the $CC00-$CFFF address range; $C800-$CBFF is a
+// 1K RAM space (internally, it's an 8K static RAM).
+//
+
+#include "harddrive.h"
+#include "apple2.h"
+#include "firmware.h"
+#include "mmu.h"
+
+
+void InstallHardDrive(uint8_t slot)
+{
+}
+