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skeleton/falconun.cpp: Add PIA and 8035

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This commit is contained in:
AJR 2024-12-06 09:55:11 -05:00
parent 36b80f2ae7
commit 0f545eae35
1 changed files with 24 additions and 3 deletions
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27
src/mame/skeleton/falconun.cpp
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@ -5,6 +5,9 @@
#include "emu.h"
#include "cpu/m6800/m6800.h"
#include "cpu/mcs48/mcs48.h"
#include "machine/6821pia.h"
#include "machine/input_merger.h"
#include "screen.h"
@ -27,17 +30,18 @@ class falconun_state : public driver_device
public:
falconun_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "falcon_terminal"),
m_maincpu(*this, "maincpu"),
m_screen(*this, "screen")
{ }
void falconun(machine_config &config);
private:
required_device<cpu_device> m_maincpu;
required_device<m6802_cpu_device> m_maincpu;
required_device<screen_device> m_screen;
void memmap(address_map &map) ATTR_COLD;
void slavemap(address_map &map) ATTR_COLD;
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { return 0; }
};
@ -47,13 +51,30 @@ INPUT_PORTS_END
void falconun_state::memmap(address_map &map)
{
map(0x0000, 0xffff).rom();
map(0x0000, 0x07ff).ram();
map(0x2000, 0x2003).rw("pia", FUNC(pia6821_device::read), FUNC(pia6821_device::write));
map(0xc000, 0xffff).rom().region("falcon_terminal", 0xc000);
}
void falconun_state::slavemap(address_map &map)
{
map(0x000, 0xfff).rom().region("slave", 0);
}
void falconun_state::falconun(machine_config &config)
{
M6802(config, m_maincpu, 40'000'000 / 4); // TODO 10 MHz for a M6802??
m_maincpu->set_addrmap(AS_PROGRAM, &falconun_state::memmap);
m_maincpu->set_ram_enable(false);
INPUT_MERGER_ANY_HIGH(config, "mainirq").output_handler().set_inputline(m_maincpu, M6802_IRQ_LINE);
pia6821_device &pia(PIA6821(config, "pia"));
pia.irqa_handler().set("mainirq", FUNC(input_merger_device::in_w<0>));
pia.irqb_handler().set("mainirq", FUNC(input_merger_device::in_w<1>));
i8035_device &slavemcu(I8035(config, "slavemcu", 6'000'000));
slavemcu.set_addrmap(AS_PROGRAM, &falconun_state::slavemap);
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_refresh_hz(60);