r65c19: Add bank registers to debug state (nw)

src/devices/cpu/m6502/r65c19.cpp

@@ -117,6 +117,9 @@ void c39_device::device_start()
 	mintf = std::move(intf);
 
 	c19_init();
+
+	for (int i = 0; i < 8; i++)
+		state_add(C39_BSR0 + i, string_format("BSR%d", i).c_str(), downcast<mi_banked &>(*mintf).bsr[i]);
 }
 
 void r65c19_device::c19_init()

src/devices/cpu/m6502/r65c19.h

@@ -103,6 +103,12 @@ private:
 
 class c39_device : public r65c19_device
 {
+public:
+	enum {
+		C39_BSR0 = R65C19_I + 1,
+		C39_BSR1, C39_BSR2, C39_BSR3, C39_BSR4, C39_BSR5, C39_BSR6, C39_BSR7
+	};
+
 protected:
 	c39_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, address_map_constructor internal_map);