braiplus: Separate driver (nw)

scripts/target/mame/mess.lua

@@ -2503,6 +2503,7 @@ files {
 
 createMESSProjects(_target, _subtarget, "homelab")
 files {
+	MAME_DIR .. "src/mame/drivers/braiplus.cpp",
 	MAME_DIR .. "src/mame/drivers/homelab.cpp",
 }
 

src/mame/drivers/braiplus.cpp

@@ -0,0 +1,87 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/***************************************************************************
+
+    Skeleton driver for BraiLab Plus talking computer.
+
+***************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "machine/i8251.h"
+#include "machine/z80pio.h"
+
+class braiplus_state : public driver_device
+{
+public:
+	braiplus_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag)
+		, m_maincpu(*this, "maincpu")
+		, m_pio(*this, "pio%u", 1U)
+	{
+	}
+
+	void braiplus(machine_config &config);
+
+private:
+	void mem_map(address_map &map);
+	void io_map(address_map &map);
+
+	required_device<z80_device> m_maincpu;
+	required_device_array<z80pio_device, 2> m_pio;
+};
+
+
+void braiplus_state::mem_map(address_map &map)
+{
+	map(0x0000, 0x3fff).rom().region("maincpu", 0);
+	map(0xa000, 0xbfff).ram();
+	map(0xf200, 0xf2ff).ram(); // non-volatile memory???
+	map(0xf800, 0xffff).ram();
+}
+
+void braiplus_state::io_map(address_map &map)
+{
+	map.global_mask(0xff);
+	map(0x04, 0x07).rw(m_pio[0], FUNC(z80pio_device::read), FUNC(z80pio_device::write));
+	map(0x08, 0x0b).rw(m_pio[1], FUNC(z80pio_device::read), FUNC(z80pio_device::write));
+	map(0x0c, 0x0d).rw("usart", FUNC(i8251_device::read), FUNC(i8251_device::write));
+	map(0x14, 0x14).nopw();
+}
+
+
+static INPUT_PORTS_START(braiplus)
+INPUT_PORTS_END
+
+static const z80_daisy_config daisy_chain[] =
+{
+	{ "pio1" },
+	{ "pio2" },
+	{ nullptr }
+};
+
+void braiplus_state::braiplus(machine_config &config)
+{
+	Z80(config, m_maincpu, 4'000'000);
+	m_maincpu->set_addrmap(AS_PROGRAM, &braiplus_state::mem_map);
+	m_maincpu->set_addrmap(AS_IO, &braiplus_state::io_map);
+	m_maincpu->set_daisy_config(daisy_chain);
+
+	Z80PIO(config, m_pio[0], 4'000'000);
+	m_pio[0]->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
+
+	Z80PIO(config, m_pio[1], 4'000'000);
+	m_pio[1]->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
+
+	I8251(config, "usart", 2'000'000);
+}
+
+ROM_START( braiplus )
+	ROM_REGION( 0x4000, "maincpu", 0 )
+	ROM_LOAD( "brailabplus.bin", 0x0000, 0x4000, CRC(521d6952) SHA1(f7405520d86fc7abd2dec51d1d016658472f6fe8) )
+
+	ROM_REGION( 0x0800, "chargen", 0 ) // no idea what chargen it uses, using the one from homelab4 for now
+	ROM_LOAD( "hl4.chr",   0x0000, 0x0800, BAD_DUMP CRC(f58ee39b) SHA1(49399c42d60a11b218a225856da86a9f3975a78a))
+ROM_END
+
+COMP( 1988, braiplus, 0, 0, braiplus, braiplus, braiplus_state, empty_init, "Jozsef and Endre Lukacs", "BraiLab Plus", MACHINE_IS_SKELETON )

src/mame/drivers/homelab.cpp

@@ -24,9 +24,6 @@
                  The bios never talks to it. Official port numbers
                  are 3C-3F.
     - Brailab4 - Same as homelab3.
-    - Braiplus - No work has been done. Needs to be developed from scratch.
-                 Since it is a CP/M machine, it probably should have its own
-                 source, once information can be found.
 
 
 TM188 is (it seems) equivalent to 27S19, TBP18S030N, 6331-1, 74S288, 82S123,
@@ -890,14 +887,6 @@ ROM_START( brailab4 )
 	ROM_LOAD_OPTIONAL( "brlcpm.rom",      0x5000, 0x0020, CRC(b936d568) SHA1(150330eccbc4b664eba4103f051d6e932038e9e8) )
 ROM_END
 
-ROM_START( braiplus )
-	ROM_REGION( 0x5000, "maincpu", 0 )
-	ROM_LOAD( "brailabplus.bin", 0x0000, 0x4000, CRC(521d6952) SHA1(f7405520d86fc7abd2dec51d1d016658472f6fe8) )
-
-	ROM_REGION( 0x0800, "chargen", 0 ) // no idea what chargen it uses, using the one from homelab4 for now
-	ROM_LOAD( "hl4.chr",   0x0000, 0x0800, BAD_DUMP CRC(f58ee39b) SHA1(49399c42d60a11b218a225856da86a9f3975a78a))
-ROM_END
-
 /* Driver */
 
 /*    YEAR  NAME      PARENT    COMPAT  MACHINE   INPUT     CLASS            INIT           COMPANY                    FULLNAME                  FLAGS */
@@ -905,4 +894,3 @@ COMP( 1982, homelab2, 0,        0,      homelab2, homelab2, homelab2_state,  emp
 COMP( 1983, homelab3, homelab2, 0,      homelab3, homelab3, homelab3_state,  empty_init, "Jozsef and Endre Lukacs", "Homelab 3",              MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
 COMP( 1984, homelab4, homelab2, 0,      homelab3, homelab3, homelab3_state,  empty_init, "Jozsef and Endre Lukacs", "Homelab 4",              MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
 COMP( 1984, brailab4, homelab2, 0,      brailab4, brailab4, brailab4_state,  empty_init, "Jozsef and Endre Lukacs", "Brailab 4",              MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
-COMP( 1988, braiplus, homelab2, 0,      brailab4, brailab4, brailab4_state,  empty_init, "Jozsef and Endre Lukacs", "Brailab Plus",           MACHINE_IS_SKELETON | MACHINE_SUPPORTS_SAVE )

src/mame/mame.lst

@@ -9428,6 +9428,9 @@ bp1200                          // (c) 1991 BP Microsystems
 @source:br8641.cpp
 br8641                          //
 
+@source:braiplus.cpp
+braiplus                        //
+
 @source:brkthru.cpp
 brkthru                         // (c) 1986 Data East USA (US)
 brkthruj                        // (c) 1986 Data East Corporation (Japan)
@@ -16240,7 +16243,6 @@ vitaminc                        // (c) 1989 Home Data
 
 @source:homelab.cpp
 brailab4                        //
-braiplus                        //
 homelab2                        //
 homelab3                        //
 homelab4                        //

src/mame/mess.flt

@@ -125,6 +125,7 @@ boss_se70.cpp
 boss_sx700.cpp
 bpmmicro.cpp
 br8641.cpp
+braiplus.cpp
 bullet.cpp
 busicom.cpp
 bw12.cpp