diff options
author | 2024-03-03 01:07:59 +0100 | |
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committer | 2024-03-03 01:08:02 +0100 | |
commit | 66ca98948821ceb79303bdf9036cfb83f7f47acc (patch) | |
tree | 7d9006ee065a3add71b55b0a678e10559e6c0c89 /src/devices/machine/w83787f.h | |
parent | 780764ae7a439a6a6f4aa0410609c2297ecaacb3 (diff) |
pc/pcipc_sis: preliminary W83787F Super I/O core;
machine/sis85c496: add ISA irq pins;
Diffstat (limited to 'src/devices/machine/w83787f.h')
-rw-r--r-- | src/devices/machine/w83787f.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/devices/machine/w83787f.h b/src/devices/machine/w83787f.h new file mode 100644 index 00000000000..3fa9e6e4b8c --- /dev/null +++ b/src/devices/machine/w83787f.h @@ -0,0 +1,95 @@ +// license:BSD-3-Clause +// copyright-holders: Angelo Salese + +#ifndef MAME_MACHINE_W83787F_H +#define MAME_MACHINE_W83787F_H + +#pragma once + +#include "bus/isa/isa.h" +#include "machine/ins8250.h" +#include "machine/pc_lpt.h" + +class w83787f_device : public device_t, + public device_isa16_card_interface, + public device_memory_interface +{ +public: + w83787f_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + ~w83787f_device() {} + + void remap(int space_id, offs_t start, offs_t end) override; + +// auto gp20_reset() { return m_gp20_reset_callback.bind(); } +// auto gp25_gatea20() { return m_gp25_gatea20_callback.bind(); } + auto irq1() { return m_irq1_callback.bind(); } + auto irq8() { return m_irq8_callback.bind(); } + auto irq9() { return m_irq9_callback.bind(); } + auto txd1() { return m_txd1_callback.bind(); } + auto ndtr1() { return m_ndtr1_callback.bind(); } + auto nrts1() { return m_nrts1_callback.bind(); } + auto txd2() { return m_txd2_callback.bind(); } + auto ndtr2() { return m_ndtr2_callback.bind(); } + auto nrts2() { return m_nrts2_callback.bind(); } + + void rxd1_w(int state); + void ndcd1_w(int state); + void ndsr1_w(int state); + void nri1_w(int state); + void ncts1_w(int state); + void rxd2_w(int state); + void ndcd2_w(int state); + void ndsr2_w(int state); + void nri2_w(int state); + void ncts2_w(int state); + +protected: + virtual void device_start() override; + virtual void device_reset() override; + + virtual space_config_vector memory_space_config() const override; + virtual void device_add_mconfig(machine_config &config) override; + +private: + const address_space_config m_space_config; + + required_device_array<ns16550_device, 2> m_pc_com; + required_device<pc_lpt_device> m_pc_lpt; + + devcb_write_line m_irq1_callback; + devcb_write_line m_irq8_callback; + devcb_write_line m_irq9_callback; + devcb_write_line m_txd1_callback; + devcb_write_line m_ndtr1_callback; + devcb_write_line m_nrts1_callback; + devcb_write_line m_txd2_callback; + devcb_write_line m_ndtr2_callback; + devcb_write_line m_nrts2_callback; + + void request_irq(int irq, int state); + + u8 read(offs_t offset); + void write(offs_t offset, u8 data); + + void config_map(address_map &map); + + void irq_parallel_w(int state); + + void irq_serial1_w(int state); + void txd_serial1_w(int state); + void dtr_serial1_w(int state); + void rts_serial1_w(int state); + void irq_serial2_w(int state); + void txd_serial2_w(int state); + void dtr_serial2_w(int state); + void rts_serial2_w(int state); + + u8 m_index = 0; + + bool m_locked_state = true; + u8 m_cr1 = 0; +}; + +DECLARE_DEVICE_TYPE(W83787F, w83787f_device); + +#endif // MAME_MACHINE_W83787F_H |