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author Fabio Priuli <etabeta78@users.noreply.github.com>2014-09-27 08:45:17 +0000
committer Fabio Priuli <etabeta78@users.noreply.github.com>2014-09-27 08:45:17 +0000
commitf8ef333fb4d171a354981bf01de209ec1bf3a557 (patch)
tree7d4960c6000ee265cab6c639151c531629b5a124 /src/mess/drivers/pc8401a.c
parent540b2f00c208de62b5d7097237640b172bf44f4a (diff)
(MESS) misc generic cartslot conversions. while at it, I have added
experimental eprom writing to the beta.c driver (pending more accurate tests). nw.
Diffstat (limited to 'src/mess/drivers/pc8401a.c')
-rw-r--r--src/mess/drivers/pc8401a.c94
1 files changed, 44 insertions, 50 deletions
diff --git a/src/mess/drivers/pc8401a.c b/src/mess/drivers/pc8401a.c
index 4540bbaa643..a4f07f39e5c 100644
--- a/src/mess/drivers/pc8401a.c
+++ b/src/mess/drivers/pc8401a.c
@@ -39,14 +39,12 @@
void pc8401a_state::scan_keyboard()
{
- int row, strobe = 0;
-
- UINT8 keydata[10] = { m_y0->read(), m_y1->read(), m_y2->read(), m_y3->read(), m_y4->read(), m_y5->read(), m_y6->read(), m_y7->read(), m_y8->read(), m_y9->read() };
+ int strobe = 0;
/* scan keyboard */
- for (row = 0; row < 10; row++)
+ for (int row = 0; row < 10; row++)
{
- UINT8 data = keydata[row];
+ UINT8 data = m_io_y[row]->read();
if (data != 0xff)
{
@@ -90,11 +88,15 @@ void pc8401a_state::bankswitch(UINT8 data)
program.unmap_write(0x0000, 0x7fff);
membank("bank1")->set_entry(rombank);
}
- else
+ else if (m_cart_rom)
{
/* ROM cartridge */
- program.unmap_readwrite(0x0000, 0x7fff);
+ program.install_read_bank(0x0000, 0x7fff, "bank1");
+ program.unmap_write(0x0000, 0x7fff);
+ membank("bank1")->set_entry(6);
}
+ else
+ program.unmap_readwrite(0x0000, 0x7fff);
//logerror("0x0000-0x7fff = ROM %u\n", rombank);
break;
@@ -264,8 +266,7 @@ WRITE8_MEMBER( pc8401a_state::rtc_ctrl_w )
READ8_MEMBER( pc8401a_state::io_rom_data_r )
{
//logerror("I/O ROM read from %05x\n", m_io_addr);
-
- return m_io_rom->base()[m_io_addr];
+ return m_io_cart->read_rom(space, m_io_addr);
}
WRITE8_MEMBER( pc8401a_state::io_rom_addr_w )
@@ -345,16 +346,16 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( pc8500_io, AS_IO, 8, pc8401a_state )
ADDRESS_MAP_UNMAP_HIGH
ADDRESS_MAP_GLOBAL_MASK(0xff)
- AM_RANGE(0x00, 0x00) AM_READ_PORT("Y0")
- AM_RANGE(0x01, 0x01) AM_READ_PORT("Y1")
- AM_RANGE(0x02, 0x02) AM_READ_PORT("Y2")
- AM_RANGE(0x03, 0x03) AM_READ_PORT("Y3")
- AM_RANGE(0x04, 0x04) AM_READ_PORT("Y4")
- AM_RANGE(0x05, 0x05) AM_READ_PORT("Y5")
- AM_RANGE(0x06, 0x06) AM_READ_PORT("Y6")
- AM_RANGE(0x07, 0x07) AM_READ_PORT("Y7")
- AM_RANGE(0x08, 0x08) AM_READ_PORT("Y8")
- AM_RANGE(0x09, 0x09) AM_READ_PORT("Y9")
+ AM_RANGE(0x00, 0x00) AM_READ_PORT("Y.0")
+ AM_RANGE(0x01, 0x01) AM_READ_PORT("Y.1")
+ AM_RANGE(0x02, 0x02) AM_READ_PORT("Y.2")
+ AM_RANGE(0x03, 0x03) AM_READ_PORT("Y.3")
+ AM_RANGE(0x04, 0x04) AM_READ_PORT("Y.4")
+ AM_RANGE(0x05, 0x05) AM_READ_PORT("Y.5")
+ AM_RANGE(0x06, 0x06) AM_READ_PORT("Y.6")
+ AM_RANGE(0x07, 0x07) AM_READ_PORT("Y.7")
+ AM_RANGE(0x08, 0x08) AM_READ_PORT("Y.8")
+ AM_RANGE(0x09, 0x09) AM_READ_PORT("Y.9")
AM_RANGE(0x10, 0x10) AM_WRITE(rtc_cmd_w)
AM_RANGE(0x20, 0x20) AM_DEVREADWRITE(I8251_TAG, i8251_device, data_r, data_w)
AM_RANGE(0x21, 0x21) AM_DEVREADWRITE(I8251_TAG, i8251_device, status_r, control_w)
@@ -382,7 +383,7 @@ ADDRESS_MAP_END
/* Input Ports */
static INPUT_PORTS_START( pc8401a )
- PORT_START("Y0")
+ PORT_START("Y.0")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("STOP")// PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
@@ -392,7 +393,7 @@ static INPUT_PORTS_START( pc8401a )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
- PORT_START("Y1")
+ PORT_START("Y.1")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
@@ -402,7 +403,7 @@ static INPUT_PORTS_START( pc8401a )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
- PORT_START("Y2")
+ PORT_START("Y.2")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
@@ -412,7 +413,7 @@ static INPUT_PORTS_START( pc8401a )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
- PORT_START("Y3")
+ PORT_START("Y.3")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
@@ -422,7 +423,7 @@ static INPUT_PORTS_START( pc8401a )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
- PORT_START("Y4")
+ PORT_START("Y.4")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('*')
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('*')
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('*')
@@ -432,7 +433,7 @@ static INPUT_PORTS_START( pc8401a )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
- PORT_START("Y5")
+ PORT_START("Y.5")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('*')
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('*')
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('*')
@@ -442,7 +443,7 @@ static INPUT_PORTS_START( pc8401a )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('*')
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('*')
- PORT_START("Y6")
+ PORT_START("Y.6")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('*')
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('*')
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('*')
@@ -452,7 +453,7 @@ static INPUT_PORTS_START( pc8401a )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('*')
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
- PORT_START("Y7")
+ PORT_START("Y.7")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) // ^I
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
@@ -462,7 +463,7 @@ static INPUT_PORTS_START( pc8401a )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) // ^C
- PORT_START("Y8")
+ PORT_START("Y.8")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F6)
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F7)
@@ -472,7 +473,7 @@ static INPUT_PORTS_START( pc8401a )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_START("Y9")
+ PORT_START("Y.9")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F8)
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F9)
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F10)
@@ -487,6 +488,9 @@ INPUT_PORTS_END
void pc8401a_state::machine_start()
{
+ astring region_tag;
+ m_cart_rom = memregion(region_tag.cpy(m_cart->tag()).cat(GENERIC_ROM_REGION_TAG));
+
/* initialize RTC */
m_rtc->cs_w(1);
@@ -498,6 +502,8 @@ void pc8401a_state::machine_start()
/* set up A0/A1 memory banking */
membank("bank1")->configure_entries(0, 4, m_rom->base(), 0x8000);
membank("bank1")->configure_entries(4, 2, ram, 0x8000);
+ if (m_cart_rom)
+ membank("bank1")->configure_entries(6, 1, m_cart_rom->base(), 0x8000);
membank("bank1")->set_entry(0);
/* set up A2 memory banking */
@@ -515,7 +521,7 @@ void pc8401a_state::machine_start()
/* bank switch */
bankswitch(0);
-
+
/* register for state saving */
save_item(NAME(m_mmr));
save_item(NAME(m_io_addr));
@@ -590,14 +596,12 @@ static MACHINE_CONFIG_START( pc8401a, pc8401a_state )
MCFG_FRAGMENT_ADD(pc8401a_video)
/* option ROM cartridge */
- MCFG_CARTSLOT_ADD("cart")
- MCFG_CARTSLOT_EXTENSION_LIST("rom,bin")
- MCFG_CARTSLOT_NOT_MANDATORY
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, NULL)
+ MCFG_GENERIC_EXTENSIONS("bin,rom")
/* I/O ROM cartridge */
- MCFG_CARTSLOT_ADD("iocart")
- MCFG_CARTSLOT_EXTENSION_LIST("rom,bin")
- MCFG_CARTSLOT_NOT_MANDATORY
+ MCFG_GENERIC_CARTSLOT_ADD("io_cart", generic_linear_slot, NULL)
+ MCFG_GENERIC_EXTENSIONS("bin,rom")
/* internal ram */
MCFG_RAM_ADD(RAM_TAG)
@@ -634,14 +638,12 @@ static MACHINE_CONFIG_START( pc8500, pc8500_state )
MCFG_FRAGMENT_ADD(pc8500_video)
/* option ROM cartridge */
- MCFG_CARTSLOT_ADD("cart")
- MCFG_CARTSLOT_EXTENSION_LIST("rom,bin")
- MCFG_CARTSLOT_NOT_MANDATORY
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, NULL)
+ MCFG_GENERIC_EXTENSIONS("bin,rom")
/* I/O ROM cartridge */
- MCFG_CARTSLOT_ADD("iocart")
- MCFG_CARTSLOT_EXTENSION_LIST("rom,bin")
- MCFG_CARTSLOT_NOT_MANDATORY
+ MCFG_GENERIC_CARTSLOT_ADD("io_cart", generic_linear_slot, NULL)
+ MCFG_GENERIC_EXTENSIONS("bin,rom")
/* internal ram */
MCFG_RAM_ADD(RAM_TAG)
@@ -654,25 +656,17 @@ MACHINE_CONFIG_END
ROM_START( pc8401a )
ROM_REGION( 0x20000, Z80_TAG, ROMREGION_ERASEFF )
ROM_LOAD( "pc8401a.bin", 0x0000, 0x18000, NO_DUMP )
- ROM_CART_LOAD("cart", 0x18000, 0x8000, ROM_NOMIRROR | ROM_OPTIONAL)
ROM_REGION( 0x1000, "chargen", 0 )
ROM_LOAD( "pc8441a.bin", 0x0000, 0x1000, NO_DUMP )
-
- ROM_REGION( 0x40000, "iorom", ROMREGION_ERASEFF )
- ROM_CART_LOAD("iocart", 0x00000, 0x40000, ROM_NOMIRROR | ROM_OPTIONAL)
ROM_END
ROM_START( pc8500 )
ROM_REGION( 0x20000, Z80_TAG, ROMREGION_ERASEFF )
ROM_LOAD( "pc8500.bin", 0x0000, 0x10000, CRC(c2749ef0) SHA1(f766afce9fda9ec84ed5b39ebec334806798afb3) )
- ROM_CART_LOAD("cart", 0x18000, 0x8000, ROM_NOMIRROR | ROM_OPTIONAL)
ROM_REGION( 0x1000, "chargen", 0 )
ROM_LOAD( "pc8441a.bin", 0x0000, 0x1000, NO_DUMP )
-
- ROM_REGION( 0x40000, "iorom", ROMREGION_ERASEFF )
- ROM_CART_LOAD("iocart", 0x00000, 0x40000, ROM_NOMIRROR | ROM_OPTIONAL)
ROM_END
/* System Drivers */