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(nw) beehive: added 2 uarts, small cleanup

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This commit is contained in:
Robbbert 2020-06-03 02:51:32 +10:00
parent a4d6f210ae
commit 3a463b41ff
1 changed files with 51 additions and 11 deletions
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62
src/mame/drivers/beehive.cpp
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@ -13,7 +13,7 @@
for the moment.
Screen goes crazy during the memory test, just ignore it.
System freezes if ^G pressed.
System freezes if ^G or ^Z pressed. Pressing ^Q is the same as Enter.
25/04/2011 Added partial keyboard.
26/06/2011 Added modifier keys.
@ -22,6 +22,9 @@
#include "emu.h"
#include "cpu/i8085/i8085.h"
#include "machine/i8251.h"
#include "machine/clock.h"
#include "bus/rs232/rs232.h"
#include "emupal.h"
#include "screen.h"
@ -34,6 +37,11 @@ public:
, m_maincpu(*this, "maincpu")
, m_p_videoram(*this, "videoram")
, m_p_chargen(*this, "chargen")
, m_uart1(*this, "uart1")
, m_uart2(*this, "uart2")
, m_rs232a(*this, "rs232a")
, m_rs232b(*this, "rs232b")
, m_io_keyboard(*this, "X%u", 0U)
{ }
void beehive(machine_config &config);
@ -41,24 +49,25 @@ public:
private:
void beehive_io(address_map &map);
void beehive_mem(address_map &map);
virtual void machine_start() override;
u8 m_keyline;
u8 beehive_60_r();
void beehive_62_w(u8 data);
u32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_device<cpu_device> m_maincpu;
required_shared_ptr<u8> m_p_videoram;
required_region_ptr<u8> m_p_chargen;
u8 m_keyline;
virtual void machine_reset() override;
required_device<i8251_device> m_uart1;
required_device<i8251_device> m_uart2;
required_device<rs232_port_device> m_rs232a;
required_device<rs232_port_device> m_rs232b;
required_ioport_array<16> m_io_keyboard;
};
u8 beehive_state::beehive_60_r()
{
if (BIT(m_keyline, 4))
{
char kbdrow[6];
sprintf(kbdrow,"X%d", m_keyline&15);
return ioport(kbdrow)->read();
}
return m_io_keyboard[m_keyline & 15]->read();
else
return 0xff;
}
@ -80,6 +89,10 @@ void beehive_state::beehive_io(address_map &map)
map.global_mask(0xff);
map.unmap_value_high();
map(0x11, 0x11).portr("DIPS");
map(0x20, 0x20).rw(m_uart1, FUNC(i8251_device::data_r), FUNC(i8251_device::data_w));
map(0x21, 0x21).rw(m_uart1, FUNC(i8251_device::status_r), FUNC(i8251_device::control_w));
map(0x30, 0x30).rw(m_uart2, FUNC(i8251_device::data_r), FUNC(i8251_device::data_w));
map(0x31, 0x31).rw(m_uart2, FUNC(i8251_device::status_r), FUNC(i8251_device::control_w));
map(0x60, 0x60).r(FUNC(beehive_state::beehive_60_r));
map(0x61, 0x61).portr("MODIFIERS");
map(0x62, 0x62).w(FUNC(beehive_state::beehive_62_w));
@ -235,8 +248,9 @@ static INPUT_PORTS_START( beehive )
INPUT_PORTS_END
void beehive_state::machine_reset()
void beehive_state::machine_start()
{
save_item(NAME(m_keyline));
}
/* This system appears to have inline attribute bytes of unknown meaning.
@ -308,11 +322,37 @@ void beehive_state::beehive(machine_config &config)
screen.set_palette("palette");
PALETTE(config, "palette", palette_device::MONOCHROME);
I8251(config, m_uart1, 0);
m_uart1->txd_handler().set("rs232a", FUNC(rs232_port_device::write_txd));
m_uart1->dtr_handler().set("rs232a", FUNC(rs232_port_device::write_dtr));
m_uart1->rts_handler().set("rs232a", FUNC(rs232_port_device::write_rts));
RS232_PORT(config, m_rs232a, default_rs232_devices, nullptr);
m_rs232a->rxd_handler().set("uart1", FUNC(i8251_device::write_rxd));
m_rs232a->dsr_handler().set("uart1", FUNC(i8251_device::write_dsr));
m_rs232a->cts_handler().set("uart1", FUNC(i8251_device::write_cts));
I8251(config, m_uart2, 0);
m_uart2->txd_handler().set("rs232b", FUNC(rs232_port_device::write_txd));
m_uart2->dtr_handler().set("rs232b", FUNC(rs232_port_device::write_dtr));
m_uart2->rts_handler().set("rs232b", FUNC(rs232_port_device::write_rts));
RS232_PORT(config, m_rs232b, default_rs232_devices, nullptr);
m_rs232b->rxd_handler().set("uart2", FUNC(i8251_device::write_rxd));
m_rs232b->dsr_handler().set("uart2", FUNC(i8251_device::write_dsr));
m_rs232b->cts_handler().set("uart2", FUNC(i8251_device::write_cts));
clock_device &rs232_clock(CLOCK(config, "rs232_clock", 153'600));
rs232_clock.signal_handler().set(m_uart1, FUNC(i8251_device::write_rxc));
rs232_clock.signal_handler().append(m_uart1, FUNC(i8251_device::write_txc));
rs232_clock.signal_handler().append(m_uart2, FUNC(i8251_device::write_rxc));
rs232_clock.signal_handler().append(m_uart2, FUNC(i8251_device::write_txc));
}
/* ROM definition */
ROM_START( beehive )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
ROM_REGION( 0x1800, "maincpu", 0 )
ROM_LOAD( "dm3270-1.rom", 0x0000, 0x0800, CRC(781bde32) SHA1(a3fe25baadd2bfc2b1791f509bb0f4960281ee32) )
ROM_LOAD( "dm3270-2.rom", 0x0800, 0x0800, CRC(4d3476b7) SHA1(627ad42029ca6c8574cda8134d047d20515baf53) )
ROM_LOAD( "dm3270-3.rom", 0x1000, 0x0800, CRC(dbf15833) SHA1(ae93117260a259236c50885c5cecead2aad9b3c4) )
@ -325,4 +365,4 @@ ROM_END
/* Driver */
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1982, beehive, 0, 0, beehive, beehive, beehive_state, empty_init, "BeeHive", "DM3270", MACHINE_NO_SOUND)
COMP( 1982, beehive, 0, 0, beehive, beehive, beehive_state, empty_init, "BeeHive", "DM3270", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )