c47028689c
There's too much opportunity for confusion if these are overridden further down the tree.
264 lines
8.0 KiB
C++
264 lines
8.0 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Nathan Woods
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/***************************************************************************
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coco.h
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TRS-80 Radio Shack Color Computer Family
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***************************************************************************/
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#ifndef MAME_TRS_COCO_H
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#define MAME_TRS_COCO_H
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#pragma once
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#include "coco_vhd.h"
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#include "bus/coco/coco_dwsock.h"
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#include "bus/coco/cococart.h"
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#include "bus/rs232/rs232.h"
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#include "imagedev/cassette.h"
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#include "machine/6821pia.h"
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#include "machine/bankdev.h"
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#include "machine/input_merger.h"
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#include "machine/ram.h"
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#include "sound/dac.h"
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#include "screen.h"
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//**************************************************************************
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// MACROS / CONSTANTS
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//**************************************************************************
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INPUT_PORTS_EXTERN( coco_analog_control );
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INPUT_PORTS_EXTERN( coco_joystick );
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INPUT_PORTS_EXTERN( coco_beckerport );
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void coco_cart(device_slot_interface &device);
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// constants
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#define JOYSTICK_DELTA 10
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#define JOYSTICK_SENSITIVITY 100
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// devices
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#define MAINCPU_TAG "maincpu"
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#define RS232_TAG "rs232"
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// inputs
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#define CTRL_SEL_TAG "ctrl_sel"
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#define HIRES_INTF_TAG "hires_intf"
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#define BECKERPORT_TAG "beckerport"
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#define JOYSTICK_RX_TAG "joystick_rx"
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#define JOYSTICK_RY_TAG "joystick_ry"
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#define JOYSTICK_LX_TAG "joystick_lx"
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#define JOYSTICK_LY_TAG "joystick_ly"
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#define JOYSTICK_BUTTONS_TAG "joystick_buttons"
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#define RAT_MOUSE_RX_TAG "rat_mouse_rx"
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#define RAT_MOUSE_RY_TAG "rat_mouse_ry"
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#define RAT_MOUSE_LX_TAG "rat_mouse_lx"
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#define RAT_MOUSE_LY_TAG "rat_mouse_ly"
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#define RAT_MOUSE_BUTTONS_TAG "rat_mouse_buttons"
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#define DIECOM_LIGHTGUN_RX_TAG "dclg_rx"
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#define DIECOM_LIGHTGUN_RY_TAG "dclg_ry"
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#define DIECOM_LIGHTGUN_LX_TAG "dclg_lx"
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#define DIECOM_LIGHTGUN_LY_TAG "dclg_ly"
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#define DIECOM_LIGHTGUN_BUTTONS_TAG "dclg_triggers"
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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class coco_state : public driver_device, public device_cococart_host_interface
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{
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public:
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coco_state(const machine_config &mconfig, device_type type, const char *tag);
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// driver update handlers
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virtual DECLARE_INPUT_CHANGED_MEMBER(keyboard_changed);
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DECLARE_INPUT_CHANGED_MEMBER(joystick_mode_changed);
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// IO
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virtual void ff20_write(offs_t offset, uint8_t data);
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virtual uint8_t ff40_read(offs_t offset);
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virtual void ff40_write(offs_t offset, uint8_t data);
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uint8_t ff60_read(offs_t offset);
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void ff60_write(offs_t offset, uint8_t data);
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// PIA0
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void pia0_pa_w(uint8_t data);
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void pia0_pb_w(uint8_t data);
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void pia0_ca2_w(int state);
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void pia0_cb2_w(int state);
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// PIA1
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uint8_t pia1_pa_r();
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uint8_t pia1_pb_r();
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void pia1_pa_w(uint8_t data);
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void pia1_pb_w(uint8_t data);
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void pia1_ca2_w(int state);
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void pia1_cb2_w(int state);
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// floating bus & "space"
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uint8_t floating_bus_r() { return floating_bus_read(); }
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uint8_t floating_space_read(offs_t offset);
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void floating_space_write(offs_t offset, uint8_t data);
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// cartridge stuff
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void cart_w(int state) { cart_w((bool) state); }
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virtual address_space &cartridge_space() override;
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// disassembly override
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static offs_t os9_dasm_override(std::ostream &stream, offs_t pc, const util::disasm_interface::data_buffer &opcodes, const util::disasm_interface::data_buffer ¶ms);
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offs_t dasm_override(std::ostream &stream, offs_t pc, const util::disasm_interface::data_buffer &opcodes, const util::disasm_interface::data_buffer ¶ms);
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void coco_sound(machine_config &config);
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void coco_floating(machine_config &config);
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void coco_floating_map(address_map &map) ATTR_COLD;
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protected:
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virtual void machine_start() override ATTR_COLD;
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virtual void machine_reset() override ATTR_COLD;
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// changed handlers
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virtual void pia1_pa_changed(uint8_t data);
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virtual void pia1_pb_changed(uint8_t data);
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TIMER_CALLBACK_MEMBER(diecom_lightgun_hit);
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TIMER_CALLBACK_MEMBER(joystick_update);
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// accessors
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pia6821_device &pia_0() { return *m_pia_0; }
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pia6821_device &pia_1() { return *m_pia_1; }
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cococart_slot_device &cococart() { return *m_cococart; }
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ram_device &ram() { return *m_ram; }
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// miscellaneous
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void update_keyboard_input(uint8_t value);
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virtual void cart_w(bool state);
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virtual void update_cart_base(uint8_t *cart_base) { }
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protected:
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enum soundmux_status_t
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{
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SOUNDMUX_SEL1 = 1,
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SOUNDMUX_SEL2 = 2,
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SOUNDMUX_ENABLE = 4
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};
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enum joystick_type_t
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{
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JOYSTICK_NONE = 0x00,
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JOYSTICK_NORMAL = 0x01,
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JOYSTICK_RAT_MOUSE = 0x02,
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JOYSTICK_DIECOM_LIGHT_GUN = 0x03
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};
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enum hires_type_t
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{
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HIRES_NONE = 0x00,
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HIRES_RIGHT = 0x01,
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HIRES_RIGHT_COCOMAX3 = 0x02,
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HIRES_LEFT = 0x03,
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HIRES_LEFT_COCOMAX3 = 0x04
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};
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struct analog_input_t
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{
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ioport_port *m_input[2][2]{};
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ioport_port *m_buttons{};
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uint32_t input(int joystick, int axis) const { return m_input[joystick][axis] ? m_input[joystick][axis]->read() : 0x00; }
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uint8_t buttons() const { return m_buttons ? m_buttons->read() : 0x00; }
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};
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void analog_port_start(analog_input_t *analog, const char *rx_tag, const char *ry_tag, const char *lx_tag, const char *ly_tag, const char *buttons_tag);
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// wrappers for configuration
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joystick_type_t joystick_type(int index);
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hires_type_t hires_interface_type();
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bool is_joystick_hires(int joystick_index);
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soundmux_status_t soundmux_status();
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void update_sound();
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bool poll_joystick();
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uint8_t poll_joystick_buttons();
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void poll_keyboard();
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void poll_hires_joystick();
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void update_cassout(int cassout);
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void update_prinout(bool prinout);
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void diecom_lightgun_clock();
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// thin wrappers for PIA output
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uint8_t dac_output() { return m_dac_output; } // PA drives the DAC
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bool sel1() { return m_pia_0->ca2_output() ? true : false; }
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bool sel2() { return m_pia_0->cb2_output() ? true : false; }
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bool snden() { return m_pia_1->cb2_output() ? true : false; }
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// VHD selection
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coco_vhd_image_device *current_vhd();
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// floating bus
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uint8_t floating_bus_read();
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// devices
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required_device<cpu_device> m_maincpu;
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required_device<pia6821_device> m_pia_0;
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required_device<pia6821_device> m_pia_1;
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required_device<dac_byte_interface> m_dac;
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required_device<dac_1bit_device> m_sbs;
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optional_device<screen_device> m_screen;
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required_device<cococart_slot_device> m_cococart;
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required_device<ram_device> m_ram;
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required_device<cassette_image_device> m_cassette;
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required_device<address_map_bank_device> m_floating;
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optional_device<rs232_port_device> m_rs232;
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optional_device<coco_vhd_image_device> m_vhd_0;
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optional_device<coco_vhd_image_device> m_vhd_1;
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optional_device<beckerport_device> m_beckerport;
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optional_ioport m_beckerportconfig;
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required_device<input_merger_device> m_irqs;
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required_device<input_merger_device> m_firqs;
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// input ports
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required_ioport_array<7> m_keyboard;
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optional_ioport m_joystick_type_control;
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optional_ioport m_joystick_hires_control;
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analog_input_t m_joystick{};
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analog_input_t m_rat_mouse{};
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analog_input_t m_diecom_lightgun{};
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// DAC output
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uint8_t m_dac_output = 0U;
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// remember the last audio sample level from the analog sources (DAC, cart, cassette) so that we don't
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// introduce step changes when the audio output is enabled/disabled via PIA1 CB2
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uint8_t m_analog_audio_level = 0U;
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// hires interface
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emu_timer *m_hiresjoy_transition_timer[2]{};
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bool m_hiresjoy_ca = false;
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// diecom lightgun
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emu_timer *m_diecom_lightgun_timer = nullptr;
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bool m_dclg_previous_bit = false;
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uint8_t m_dclg_output_h = 0U;
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uint8_t m_dclg_output_v = 0U;
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uint32_t m_dclg_state = 0U;
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uint32_t m_dclg_timer = 0U;
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// VHD selection
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uint8_t m_vhd_select = 0U;
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// address space for "floating access"
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//address_space m_floating_space;
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// safety to prevent stack overflow when reading floating bus
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bool m_in_floating_bus_read = false;
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};
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#endif // MAME_TRS_COCO_H
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