Add command line option to use the sequencer based Disk II card

README.md

@@ -18,7 +18,7 @@ Portable emulator of an Apple II+ or //e. Written in Go.
   - 3.5 disks in PO or 2MG format
   - Hard disk in HDV or 2MG format with ProDOS and SmartPort support
 - Emulated extension cards:
-  - DiskII controller
+  - DiskII controller (state machine based for WOZ files)
   - 16Kb Language Card
   - 256Kb Saturn RAM
   - 1Mb Memory Expansion Card (slinky)
@@ -223,6 +223,8 @@ Only valid on SDL mode
         main rom file (default "<default>")
   -saturnCardSlot int
         slot for the 256kb Saturn card. -1 for none (default -1)
+  -sequencer
+        use the sequencer based Disk II card
   -thunderClockCardSlot int
         slot for the ThunderClock Plus card. -1 for none (default 4)
   -traceCpu

apple2main.go

@@ -138,8 +138,8 @@ func MainApple() *Apple2 {
 		"forceCaps",
 		false,
 		"force all letters to be uppercased (no need for caps lock!)")
-	expermintalWoz := flag.Bool(
-		"xw",
+	sequencerDisk2 := flag.Bool(
+		"sequencer",
 		false,
 		"use the sequencer based Disk II card")
 
@@ -288,7 +288,7 @@ func MainApple() *Apple2 {
 		a.AddFastChip(*fastChipCardSlot)
 	}
 	if *disk2Slot > 0 {
-		if *expermintalWoz {
+		if *sequencerDisk2 {
 			err := a.AddDisk2Sequencer(*disk2Slot, diskImageFinal, *diskBImage)
 			if err != nil {
 				panic(err)