summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/electron/plus1.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/electron/plus1.h')
-rw-r--r--src/devices/bus/electron/plus1.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/devices/bus/electron/plus1.h b/src/devices/bus/electron/plus1.h
new file mode 100644
index 00000000000..75eb44ce91a
--- /dev/null
+++ b/src/devices/bus/electron/plus1.h
@@ -0,0 +1,68 @@
+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+ ALA11 - Acorn Plus 1
+
+**********************************************************************/
+
+
+#ifndef MAME_BUS_ELECTRON_PLUS1_H
+#define MAME_BUS_ELECTRON_PLUS1_H
+
+#include "exp.h"
+#include "softlist.h"
+#include "machine/adc0844.h"
+#include "bus/centronics/ctronics.h"
+#include "bus/generic/slot.h"
+#include "bus/generic/carts.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class electron_plus1_device:
+ public device_t,
+ public device_electron_expansion_interface
+{
+public:
+ // construction/destruction
+ electron_plus1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // optional information overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+ virtual ioport_constructor device_input_ports() const override;
+
+private:
+ DECLARE_READ8_MEMBER(status_r);
+ DECLARE_WRITE_LINE_MEMBER(busy_w);
+ DECLARE_WRITE_LINE_MEMBER(ready_w);
+
+ image_init_result load_cart(device_image_interface &image, generic_slot_device *slot);
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(electron_cart_sk1) { return load_cart(image, m_cart_sk1); }
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(electron_cart_sk2) { return load_cart(image, m_cart_sk2); }
+
+ required_memory_region m_exp_rom;
+ required_device<generic_slot_device> m_cart_sk1;
+ required_device<generic_slot_device> m_cart_sk2;
+ required_device<centronics_device> m_centronics;
+ required_device<output_latch_device> m_cent_data_out;
+ required_device<adc0844_device> m_adc;
+ required_ioport_array<4> m_joy;
+ required_ioport m_buttons;
+
+ int m_centronics_busy;
+ int m_adc_ready;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(ELECTRON_PLUS1, electron_plus1_device)
+
+
+#endif /* MAME_BUS_ELECTRON_PLUS1_H */