summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/ti99/peb/horizon.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/ti99/peb/horizon.h')
-rw-r--r--src/devices/bus/ti99/peb/horizon.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/devices/bus/ti99/peb/horizon.h b/src/devices/bus/ti99/peb/horizon.h
new file mode 100644
index 00000000000..d3a5f23817c
--- /dev/null
+++ b/src/devices/bus/ti99/peb/horizon.h
@@ -0,0 +1,69 @@
+// license:LGPL-2.1+
+// copyright-holders:Michael Zapf
+/****************************************************************************
+
+ Horizon Ramdisk
+ See horizon.c for documentation
+
+ Michael Zapf
+
+ February 2012
+
+*****************************************************************************/
+
+#ifndef MAME_BUS_TI99_PEB_HORIZON_H
+#define MAME_BUS_TI99_PEB_HORIZON_H
+
+#pragma once
+
+#include "peribox.h"
+#include "machine/ram.h"
+
+DECLARE_DEVICE_TYPE(TI99_HORIZON, horizon_ramdisk_device)
+
+class horizon_ramdisk_device : public ti_expansion_card_device, public device_nvram_interface
+{
+public:
+ horizon_ramdisk_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+ DECLARE_READ8Z_MEMBER(readz) override;
+ DECLARE_WRITE8_MEMBER(write) override;
+
+ DECLARE_READ8Z_MEMBER(crureadz) override;
+ DECLARE_WRITE8_MEMBER(cruwrite) override;
+
+ DECLARE_INPUT_CHANGED_MEMBER( hs_changed );
+
+protected:
+ void device_start() override;
+ void device_reset() override;
+
+ machine_config_constructor device_mconfig_additions() const override;
+ virtual ioport_constructor device_input_ports() const override;
+
+ void nvram_default() override;
+ void nvram_read(emu_file &file) override;
+ void nvram_write(emu_file &file) override;
+
+private:
+ void setbit(int& page, int pattern, bool set);
+
+ required_device<ram_device> m_ram;
+ required_device<ram_device> m_nvram;
+ required_device<ram_device> m_ros;
+
+ int m_select6_value;
+ int m_select_all;
+
+ int m_page;
+
+ int m_cru_horizon;
+ int m_cru_phoenix;
+ bool m_timode;
+ bool m_32k_installed;
+ bool m_split_mode;
+ bool m_rambo_mode;
+ bool m_hideswitch;
+ bool m_use_rambo;
+};
+
+#endif // MAME_BUS_TI99_PEB_HORIZON_H