Add support for the HPLIF 616kB format (contributed by Eric Rechlin).

src/formats/build.mk

@@ -40,6 +40,7 @@ FORMATS = \
 	f85 \
 	fb100 \
 	hp9121 \
+	hplif616 \
 	hplif770 \
 	ibm \
 	ibm1200 \

src/formats/hplif616.textpb

@@ -0,0 +1,46 @@
+comment: 'Hewlett-Packard LIF 616kB 3.5" DSDD'
+
+drive {
+	high_density: false
+	rotational_period_ms: 200
+}
+
+image_reader {
+	filename: "hplif616.img"
+	type: IMG
+}
+
+image_writer {
+	filename: "hplif616.img"
+	type: IMG
+}
+
+layout {
+	tracks: 77
+	sides: 2
+	layoutdata {
+		sector_size: 256
+		physical {
+			start_sector: 1
+			count: 16
+		}
+	}
+}
+
+encoder {
+	ibm {
+		trackdata {
+			target_rotational_period_ms: 200
+			target_clock_period_us: 4
+			emit_iam: false
+			gap0: 80
+			gap2: 22
+			gap3: 40
+		}
+	}
+}
+
+decoder {
+	ibm {
+	}
+}