Dan ][ Controller card

README.md

@@ -29,7 +29,10 @@ Portable emulator of an Apple II+ or //e. Written in Go.
   - No Slot Clock based on the DS1216
   - Videx Videoterm 80 column card with the Videx Soft Video Switch (Apple ][+ only)
   - SwyftCard (Apple //e only)
+  - Brain Board
   - Brain Board II
+  - MultiROM card
+  - Dan ][ Controller card
 - Useful cards not emulating a real card
   - Bootable SmartPort / ProDOS card with the following smartport devices:
       - Block device (hard disks)

apple2Run.go

@@ -37,7 +37,7 @@ func (a *Apple2) Start(paused bool) {
 			for i := 0; i < cpuSpinLoops; i++ {
 				// Conditional tracing
 				//pc, _ := a.cpu.GetPCAndSP()
-				//a.cpu.SetTrace(pc >= 0x7f0 && pc < 0x0820)
+				//a.cpu.SetTrace(pc >= 0xc75e && pc < 0xc800)
 
 				// Execution
 				a.cpu.ExecuteInstruction()

cardBase.go

@@ -10,14 +10,17 @@ type Card interface {
 	assign(a *Apple2, slot int)
 	reset()
 
+	setName(name string)
+	setDebug(debug bool)
 	GetName() string
 	GetInfo() map[string]string
 }
 
 type cardBase struct {
 	a       *Apple2
 	name    string
-	romCsxx memoryHandler
+	trace   bool
+	romCsxx *memoryRangeROM
 	romC8xx memoryHandler
 	romCxxx memoryHandler
 
@@ -28,6 +31,10 @@ type cardBase struct {
 	_sswName [16]string
 }
 
+func (c *cardBase) setName(name string) {
+	c.name = name
+}
+
 func (c *cardBase) GetName() string {
 	return c.name
 }
@@ -36,6 +43,10 @@ func (c *cardBase) GetInfo() map[string]string {
 	return nil
 }
 
+func (c *cardBase) setDebug(debug bool) {
+	c.trace = debug
+}
+
 func (c *cardBase) reset() {
 	// nothing
 }
@@ -143,3 +154,10 @@ func (c *cardBase) addCardSoftSwitches(sss softSwitches, name string) {
 		}, fmt.Sprintf("%v%XW", name, address))
 	}
 }
+
+func (c *cardBase) tracef(format string, args ...interface{}) {
+	if c.trace {
+		prefixedFormat := fmt.Sprintf("[%s] %v", c.name, format)
+		fmt.Printf(prefixedFormat, args...)
+	}
+}

cardBuilder.go

@@ -25,6 +25,7 @@ type cardBuilder struct {
 const noCardName = "empty"
 
 var commonParams = []paramSpec{
+	{"debug", "Enable debug messages", "false"},
 	{"tracess", "Trace softswitches", "false"},
 }
 
@@ -37,7 +38,7 @@ func getCardFactory() map[string]*cardBuilder {
 	cardFactory = make(map[string]*cardBuilder)
 	cardFactory["brainboard"] = newCardBrainBoardBuilder()
 	cardFactory["brainboard2"] = newCardBrainBoardIIBuilder()
-	//cardFactory["dan2sd"] = newCardDan2ControllerBuilder()
+	cardFactory["dan2sd"] = newCardDan2ControllerBuilder()
 	cardFactory["diskii"] = newCardDisk2Builder()
 	cardFactory["diskiiseq"] = newCardDisk2SequencerBuilder()
 	cardFactory["fastchip"] = newCardFastChipBuilder()
@@ -117,14 +118,12 @@ func setupCard(a *Apple2, slot int, paramString string) (Card, error) {
 		a.io.traceSlot(slot)
 	}
 
-	cardBase, ok := card.(*cardBase)
-	if err == nil && ok {
-		cardBase.name = builder.name
-	}
+	debug := paramsGetBool(finalParams, "debug")
 
+	card.setName(builder.name)
+	card.setDebug(debug)
 	card.assign(a, slot)
 	a.cards[slot] = card
-
 	return card, err
 }