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21 (Sigma) [Yasu]
This commit is contained in:
AJR 2019-12-05 21:23:10 -05:00
parent cc116dc972
commit ef4d657213
4 changed files with 96 additions and 1 deletions
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3
scripts/target/mame/arcade.lua
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@ -2667,6 +2667,7 @@ files {
MAME_DIR .. "src/mame/drivers/merit3xx.cpp",
MAME_DIR .. "src/mame/drivers/meritm.cpp",
MAME_DIR .. "src/mame/drivers/mtouchxl.cpp",
MAME_DIR .. "src/mame/drivers/pubtimed.cpp",
MAME_DIR .. "src/mame/machine/at.h",
MAME_DIR .. "src/mame/machine/at.cpp",
}
@ -3695,6 +3696,7 @@ createMAMEProjects(_target, _subtarget, "sigma")
files {
MAME_DIR .. "src/mame/drivers/nyny.cpp",
MAME_DIR .. "src/mame/drivers/r2dtank.cpp",
MAME_DIR .. "src/mame/drivers/sigma21.cpp",
MAME_DIR .. "src/mame/drivers/sigmab52.cpp",
MAME_DIR .. "src/mame/drivers/sigmab98.cpp",
MAME_DIR .. "src/mame/drivers/spiders.cpp",
@ -4895,7 +4897,6 @@ files {
MAME_DIR .. "src/mame/drivers/potgoldu.cpp",
MAME_DIR .. "src/mame/drivers/proconn.cpp",
MAME_DIR .. "src/mame/drivers/pse.cpp",
MAME_DIR .. "src/mame/drivers/pubtimed.cpp",
MAME_DIR .. "src/mame/drivers/quizo.cpp",
MAME_DIR .. "src/mame/drivers/quizpun2.cpp",
MAME_DIR .. "src/mame/drivers/rbmk.cpp",

1
src/mame/arcade.flt
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@ -1109,6 +1109,7 @@ shtzone.cpp
shuuz.cpp
sidearms.cpp
sidepckt.cpp
sigma21.cpp
sigmab52.cpp
sigmab98.cpp
silkroad.cpp

90
src/mame/drivers/sigma21.cpp Normal file
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@ -0,0 +1,90 @@
// license:BSD-3-Clause
// copyright-holders:AJR
/****************************************************************************
Skeleton driver for "21" game by Sigma.
No real progress is to be expected until the program ROMs are redumped.
****************************************************************************/
#include "emu.h"
#include "cpu/m6809/m6809.h"
#include "machine/6821pia.h"
#include "video/mc6845.h"
#include "screen.h"
class sigma21_state : public driver_device
{
public:
sigma21_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
{
}
void sigma21(machine_config &config);
private:
MC6845_UPDATE_ROW(update_row);
void mem_map(address_map &map);
required_device<cpu_device> m_maincpu;
};
MC6845_UPDATE_ROW(sigma21_state::update_row)
{
}
void sigma21_state::mem_map(address_map &map)
{
map(0xc000, 0xc0ff).ram(); // NVRAM, maybe?
map(0xd800, 0xd800).w("crtc", FUNC(mc6845_device::address_w));
map(0xd801, 0xd801).w("crtc", FUNC(mc6845_device::register_w));
map(0xd804, 0xd807).rw("pia", FUNC(pia6821_device::read), FUNC(pia6821_device::write));
map(0xe800, 0xffff).rom().region("program", 0);
}
static INPUT_PORTS_START(sigma21)
INPUT_PORTS_END
void sigma21_state::sigma21(machine_config &config)
{
MC6809(config, m_maincpu, 5600000); // exact type and clock unknown
m_maincpu->set_addrmap(AS_PROGRAM, &sigma21_state::mem_map);
PIA6821(config, "pia");
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_raw(5600000, 360, 0, 256, 276, 0, 224); // copied from r2dtank; actual params are in badly dumped ROM
screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update));
mc6845_device &crtc(MC6845(config, "crtc", 700000));
crtc.set_screen("screen");
crtc.set_show_border_area(false);
crtc.set_char_width(8);
crtc.set_update_row_callback(FUNC(sigma21_state::update_row));
}
ROM_START(sigma21)
ROM_REGION(0x1800, "program", 0)
ROM_LOAD("21_108-.i35", 0x0000, 0x0800, CRC(06fde41e) SHA1(b2088c38b4455102bbe2edf6137d066a69bfd05d))
ROM_LOAD("21_108-.i36", 0x0800, 0x0800, CRC(6bfce933) SHA1(038f5b6a3b09506f9dc32933fb1dd284124a09aa) BAD_DUMP) // FIXED BITS (xxx1xxxx)
ROM_LOAD("21_108-.i37", 0x1000, 0x0800, CRC(79fb8f3e) SHA1(6245da1b26633a02cbbf19b23213096533840041) BAD_DUMP) // FIXED BITS (11xxxxxx)
ROM_FILL(0x17ff, 1, 0x00) // make at least the reset vector logical
ROM_REGION(0x1000, "gfx", 0)
ROM_LOAD("ic23.rom", 0x0000, 0x0800, CRC(ce045516) SHA1(439e82ccacd4c802bc4e6d72a7756933924ba5f5))
ROM_LOAD("ic25.rom", 0x0800, 0x0800, CRC(01e31462) SHA1(27bf1c18a6d28739649b693c66212c81e8cda297))
ROM_REGION(0x100, "proms", 0)
ROM_LOAD("bprom.bin", 0x000, 0x100, CRC(c0e5e4e0) SHA1(c42636c4723fe8b2b00868af5dd33c0608b3fecc))
ROM_END
GAME(197?, sigma21, 0, sigma21, sigma21, sigma21_state, empty_init, ROT0, "Sigma Enterprises", "21 (Sigma)", MACHINE_IS_SKELETON)

3
src/mame/mame.lst
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@ -36173,6 +36173,9 @@ sidepckt // (c) 1986 Data East Corporation
sidepcktb // bootleg
sidepcktj // (c) 1986 Data East Corporation
@source:sigma21.cpp
sigma21 //
@source:sigmab52.cpp
jwildb52 // (c) 199? Sigma
jwildb52a // (c) 199? Sigma