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author fulivi <fulivi@users.noreply.github.com>2020-07-27 20:12:05 +0200
committer GitHub <noreply@github.com>2020-07-27 14:12:05 -0400
commit943fc34f3994a7dd2b2e63ae844cef2dc4645fe9 (patch)
tree8b661a1bc0589e3f78d9cc06813536bfa310e58b /src/devices/bus/hp_ipc_io/82919.h
parentb31859d6c534a192a5e36d2fc6a6de40b3629ec0 (diff)
HP IPC: support for I/O slots and 82919 serial card added (#7001)
* mc68681: tx/rx clocking from timer fixed, added partial support for break signal * hp_ipc: support for I/O slots added, 82919 serial I/O card added
Diffstat (limited to 'src/devices/bus/hp_ipc_io/82919.h')
-rw-r--r--src/devices/bus/hp_ipc_io/82919.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/devices/bus/hp_ipc_io/82919.h b/src/devices/bus/hp_ipc_io/82919.h
new file mode 100644
index 00000000000..331a42b0b00
--- /dev/null
+++ b/src/devices/bus/hp_ipc_io/82919.h
@@ -0,0 +1,73 @@
+// license:BSD-3-Clause
+// copyright-holders: F. Ulivi
+/*********************************************************************
+
+ 82919.h
+
+ 82919 module (RS232 interface)
+
+*********************************************************************/
+
+#ifndef MAME_BUS_HP_IPC_IO_82919_H
+#define MAME_BUS_HP_IPC_IO_82919_H
+
+#pragma once
+
+#include "hp_ipc_io.h"
+#include "machine/mc68681.h"
+#include "bus/rs232/rs232.h"
+
+class hp82919_io_card_device : public device_t, public device_hp_ipc_io_interface
+{
+public:
+ // construction/destruction
+ hp82919_io_card_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+ virtual ~hp82919_io_card_device();
+
+ uint8_t read(offs_t addr);
+ void write(offs_t addr , uint8_t data);
+
+ DECLARE_WRITE_LINE_MEMBER(uart_irq);
+ DECLARE_WRITE_LINE_MEMBER(uart_a_tx);
+ DECLARE_WRITE_LINE_MEMBER(uart_b_tx);
+ void uart_output(uint8_t data);
+ DECLARE_WRITE_LINE_MEMBER(prim_rxd);
+ DECLARE_WRITE_LINE_MEMBER(prim_dcd);
+ DECLARE_WRITE_LINE_MEMBER(prim_dsr);
+ DECLARE_WRITE_LINE_MEMBER(prim_ri);
+ DECLARE_WRITE_LINE_MEMBER(prim_cts);
+ DECLARE_WRITE_LINE_MEMBER(sec_rxd);
+ DECLARE_WRITE_LINE_MEMBER(sec_dcd);
+ DECLARE_WRITE_LINE_MEMBER(sec_cts);
+
+protected:
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // device-level overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual ioport_constructor device_input_ports() const override;
+
+ virtual void install_read_write_handlers(address_space& space , uint32_t base_addr) override;
+
+private:
+ required_device<rs232_port_device> m_rs232_prim;
+ required_device<rs232_port_device> m_rs232_sec;
+ required_device<mc68681_device> m_uart;
+ required_ioport m_loopback_en;
+
+ uint8_t m_int_level;
+ bool m_int_en;
+ bool m_int_forced;
+ bool m_int_pending;
+ bool m_uart_int;
+ bool m_irq;
+ bool m_loopback;
+
+ void update_irq();
+};
+
+// device type definition
+DECLARE_DEVICE_TYPE(HP82919_IO_CARD, hp82919_io_card_device)
+
+#endif // MAME_BUS_HP_IPC_IO_82919_H