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author arbee <rb6502@users.noreply.github.com>2017-05-24 23:05:28 -0400
committer arbee <rb6502@users.noreply.github.com>2017-05-24 23:05:28 -0400
commit1dbbb778c32fc9bac8b986061b7be08ecd500752 (patch)
tree017e490b458a3b2404d647e839de62c0f1b144f9
parent1e77ec65c1a1310f87a334b18deb204496fa9cfb (diff)
New machines added as MACHINE_NOT_WORKING
----------------------------------------- Acorn Communicator [R. Belmont]
-rw-r--r--scripts/target/mame/mess.lua1
-rw-r--r--src/mame/drivers/accomm.cpp144
-rw-r--r--src/mame/mame.lst3
3 files changed, 148 insertions, 0 deletions
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index ff207485b42..164069b5667 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -1289,6 +1289,7 @@ createMESSProjects(_target, _subtarget, "acorn")
files {
MAME_DIR .. "src/mame/drivers/aa310.cpp",
MAME_DIR .. "src/mame/drivers/a6809.cpp",
+ MAME_DIR .. "src/mame/drivers/accomm.cpp",
MAME_DIR .. "src/mame/drivers/acrnsys1.cpp",
MAME_DIR .. "src/mame/drivers/atom.cpp",
MAME_DIR .. "src/mame/includes/atom.h",
diff --git a/src/mame/drivers/accomm.cpp b/src/mame/drivers/accomm.cpp
new file mode 100644
index 00000000000..35ccad5446b
--- /dev/null
+++ b/src/mame/drivers/accomm.cpp
@@ -0,0 +1,144 @@
+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/***************************************************************************
+
+ Acorn Communicator
+
+ Skeleton driver by R. Belmont
+
+ Main CPU: 65C816
+ Other chips: 6850 UART, 6522 VIA, SAA5240(video?), AM7910 modem, PCF0335(?)
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/g65816/g65816.h"
+#include "machine/nvram.h"
+#include "machine/bankdev.h"
+#include "bus/rs232/rs232.h"
+#include "screen.h"
+#include "speaker.h"
+
+class accomm_state : public driver_device
+{
+public:
+ accomm_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_bank0dev(*this, "bank0dev"),
+ m_vram(*this, "vram")
+ { }
+
+ virtual void machine_reset() override;
+ virtual void machine_start() override;
+
+ uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+ DECLARE_WRITE8_MEMBER(b0_rom_disable_w);
+
+protected:
+
+ // devices
+ required_device<g65816_device> m_maincpu;
+ required_device<address_map_bank_device> m_bank0dev;
+ required_shared_ptr<uint8_t> m_vram;
+
+ // driver_device overrides
+ virtual void video_start() override;
+};
+
+void accomm_state::machine_reset()
+{
+}
+
+void accomm_state::machine_start()
+{
+}
+
+void accomm_state::video_start()
+{
+}
+
+WRITE8_MEMBER(accomm_state::b0_rom_disable_w)
+{
+ m_bank0dev->set_bank(1);
+}
+
+uint32_t accomm_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ uint32_t *scanline;
+ int x, y;
+ uint8_t pixels;
+ static const uint32_t palette[2] = { 0, 0xffffff };
+ uint8_t *vram = (uint8_t *)m_vram.target();
+
+ vram += 0x3000;
+
+ for (y = 0; y < 256; y++)
+ {
+ scanline = &bitmap.pix32(y);
+ for (x = 0; x < 640/8; x++)
+ {
+ pixels = vram[(y * (640/8)) + x];
+
+ *scanline++ = palette[(pixels>>7)&1];
+ *scanline++ = palette[(pixels>>6)&1];
+ *scanline++ = palette[(pixels>>5)&1];
+ *scanline++ = palette[(pixels>>4)&1];
+ *scanline++ = palette[(pixels>>3)&1];
+ *scanline++ = palette[(pixels>>2)&1];
+ *scanline++ = palette[(pixels>>1)&1];
+ *scanline++ = palette[(pixels&1)];
+ }
+ }
+
+ return 0;
+}
+
+static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8, accomm_state )
+ AM_RANGE(0x000000, 0x007fff) AM_RAM
+ AM_RANGE(0x008000, 0x00ffff) AM_DEVICE("bank0dev", address_map_bank_device, amap8)
+ AM_RANGE(0x010000, 0x08ffff) AM_RAM // "576K RAM"
+ // VIA probably at 420000
+ AM_RANGE(0x440000, 0x440000) AM_WRITE(b0_rom_disable_w)
+ AM_RANGE(0x450000, 0x467fff) AM_RAM AM_SHARE("vram")
+ AM_RANGE(0xfc0000, 0xffffff) AM_ROM AM_REGION("maincpu", 0)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( b0dev_map, AS_PROGRAM, 8, accomm_state )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM AM_REGION("maincpu", 0x38000)
+ AM_RANGE(0x8000, 0xffff) AM_RAM
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( accomm )
+INPUT_PORTS_END
+
+static MACHINE_CONFIG_START( accomm )
+ MCFG_CPU_ADD("maincpu", G65816, XTAL_2MHz)
+ MCFG_CPU_PROGRAM_MAP(main_map)
+// MCFG_CPU_VBLANK_INT_DRIVER("screen", accomm_state, irq0_line_hold)
+
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE( 50.08 )
+ MCFG_SCREEN_SIZE( 640, 312 )
+ MCFG_SCREEN_VISIBLE_AREA( 0, 640-1, 0, 256-1 )
+ MCFG_SCREEN_UPDATE_DRIVER(accomm_state, screen_update)
+
+ MCFG_DEVICE_ADD("bank0dev", ADDRESS_MAP_BANK, 0)
+ MCFG_DEVICE_PROGRAM_MAP(b0dev_map)
+ MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
+ MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
+ MCFG_ADDRESS_MAP_BANK_STRIDE(0x8000)
+
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+MACHINE_CONFIG_END
+
+ROM_START(accomm)
+ ROM_REGION(0x40000, "maincpu", 0) /* C68 / M37450 program ROM */
+ ROM_LOAD( "romv100-3.rom", 0x000000, 0x010000, CRC(bd87a157) SHA1(b9b9ed1aab9ffef2de988b2cfeac293afa11448a) )
+ ROM_LOAD( "romv100-2.rom", 0x010000, 0x010000, CRC(3438adee) SHA1(cd9d5522d9430cb2e1936210b77d2edd280f9419) )
+ ROM_LOAD( "romv100-1.rom", 0x020000, 0x010000, CRC(adc6a073) SHA1(3e87f21fafc1d69f33c5b541a20a98e82aacbfab) )
+ ROM_LOAD( "romv100-0.rom", 0x030000, 0x010000, CRC(6d22950d) SHA1(d4cbdccf8d2bc836fb81182b2ed344d7134fe5c9) )
+ROM_END
+
+GAME( 1986, accomm, 0, accomm, accomm, accomm_state, 0, ROT0, "Acorn", "Acorn Communicator", MACHINE_NOT_WORKING )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index e6b827c6705..c673866f562 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -291,6 +291,9 @@ ac1 // 1984 Amateurcomputer AC1
ac1_32 // 1984 Amateurcomputer AC1 (32 lines)
ac1scch // 1984 Amateurcomputer AC1 SCCH
+@source:accomm.cpp
+accomm // 1986 Acorn Computer
+
@source:aceex.cpp
aceex2814