Added RM disk defs

Author: drdpj

src/greaseweazle/data/diskdefs.cfg

@@ -70,6 +70,7 @@ import occ1. "diskdefs_occ1.cfg"
 import olivetti. "diskdefs_olivetti.cfg"
 import pc98. "diskdefs_pc98.cfg"
 import raw. "diskdefs_raw.cfg"
+import rm. "diskdefs_rm.cfg"
 import sci. "diskdefs_sci.cfg"
 import sega. "diskdefs_sega.cfg"
 import sharp. "diskdefs_sharp.cfg"

src/greaseweazle/data/diskdefs_rm.cfg

@@ -0,0 +1,98 @@
+# prefix: rm.
+# RM (Research Machines) 8-bit (RM 380Z/RML 480Z) disk definitions.
+
+# RM 8" -380Z DS/SD floppy disk format. 77 tracks, 2 heads, FM encoding.
+disk 8in.sd
+    cyls = 77
+    heads = 2
+    tracks 0-76.0 ibm.fm
+        bps = 128
+        secs = 26
+        id = 1
+        h = 0
+    end
+    tracks 0-76.1 ibm.fm
+        bps = 128
+        secs = 26
+        id = 1  
+        h = 0
+    end
+end
+
+# RM 5.25" - 380Z DS/SD floppy disk format. 40 tracks, 2 heads, FM encoding.
+disk 5in.sd
+    cyls = 40
+    heads = 2
+    tracks 0-39.0 ibm.fm
+        bps = 128
+        secs = 16
+        id = 1
+        h = 0
+    end
+    tracks 0-39.1 ibm.fm
+        bps = 128
+        secs = 16
+        id = 1
+        h = 0
+    end
+end
+
+# RM 5.25" - 480Z DS/DD floppy disk format. 40 tracks, 2 heads, MFM encoding. Track 0 is SD (FM). Often called "DD"
+disk 5in.dd
+    cyls = 40
+    heads = 2
+    tracks 0.0 ibm.fm
+        bps = 128
+        secs = 16
+        id = 1
+        h = 0
+    end
+    tracks 0.1 ibm.fm
+        bps = 128
+        secs = 16
+        id = 1  
+        h = 0
+    end
+    tracks 1-39.0 ibm.mfm
+        bps = 512
+        secs = 9
+        id = 1
+        h = 0
+    end
+    tracks 1-39.1 ibm.mfm
+        bps = 512
+        secs = 9
+        id = 1  
+        h = 0
+    end
+end
+
+# RM 5.25" - 480Z DS/DD floppy disk format. 80 tracks, 2 heads, MFM encoding. Track 0 is SD (FM). Often called "QD"
+disk 5in.qd
+  cyls = 80
+  heads = 2
+  tracks 0.0 ibm.fm
+        bps = 128
+        secs = 16
+        id = 1
+        h = 0
+    end
+    tracks 0.1 ibm.fm
+        bps = 128
+        secs = 16
+        id = 1 
+        h = 0
+    end
+    tracks 1-79.0 ibm.mfm
+        bps = 512
+        secs = 9
+        id = 1
+        h = 0
+    end
+    tracks 1-79.1 ibm.mfm
+        bps = 512
+        secs = 9
+        id = 1 
+        h = 0
+    end
+end