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https://github.com/holub/mame
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Merge pull request #4898 from shattered/_f7c158b83f
superga2: new machine (Apple ][-based arcade board)
This commit is contained in:
R. Belmont
GitHub
commit
5d1795ab64
@ -1610,6 +1610,7 @@ files {
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MAME_DIR .. "src/mame/machine/cuda.cpp",
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MAME_DIR .. "src/mame/machine/cuda.h",
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MAME_DIR .. "src/mame/drivers/iphone2g.cpp",
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MAME_DIR .. "src/mame/drivers/superga2.cpp",
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}
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createMESSProjects(_target, _subtarget, "applied")
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303
src/mame/drivers/superga2.cpp
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303
src/mame/drivers/superga2.cpp
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@ -0,0 +1,303 @@
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// license:BSD-3-Clause
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// copyright-holders:R. Belmont, Sergey Svishchev
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/***************************************************************************
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Super Games ][
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An arcade board designed to run modified games from Apple ][.
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Most of Apple hardware is missing, keyboard port is reused for joysticks.
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Only one game is known (a Mario Bros. hack/translation patch).
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Info: http://agatcomp.ru/Pravetz/SuperGames.shtml
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To do
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- verify palette, pixel and cpu clocks
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- two player mode
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************************************************************************/
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#include "emu.h"
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#include "video/apple2.h"
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#include "cpu/m6502/m6502.h"
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#include "machine/74259.h"
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#include "machine/apple2common.h"
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#include "machine/ram.h"
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#include "machine/timer.h"
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#include "sound/spkrdev.h"
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#include "screen.h"
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#include "speaker.h"
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#define A2_CPU_TAG "maincpu"
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#define A2_SPEAKER_TAG "speaker"
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#define A2_VIDEO_TAG "a2video"
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class superga2_state : public driver_device
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{
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public:
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superga2_state(const machine_config &mconfig, device_type type, const char *tag) :
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driver_device(mconfig, type, tag),
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m_maincpu(*this, A2_CPU_TAG),
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m_screen(*this, "screen"),
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m_ram(*this, RAM_TAG),
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m_video(*this, A2_VIDEO_TAG),
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m_a2common(*this, "a2common"),
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m_speaker(*this, A2_SPEAKER_TAG),
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m_softlatch(*this, "softlatch")
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{ }
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static constexpr feature_type imperfect_features() { return feature::PALETTE | feature::CONTROLS; }
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required_device<cpu_device> m_maincpu;
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required_device<screen_device> m_screen;
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required_device<ram_device> m_ram;
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required_device<a2_video_device> m_video;
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required_device<apple2_common_device> m_a2common;
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required_device<speaker_sound_device> m_speaker;
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required_device<addressable_latch_device> m_softlatch;
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virtual void machine_start() override;
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virtual void machine_reset() override;
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uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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DECLARE_READ8_MEMBER(ram_r);
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DECLARE_WRITE8_MEMBER(ram_w);
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DECLARE_READ8_MEMBER(speaker_toggle_r);
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DECLARE_WRITE8_MEMBER(speaker_toggle_w);
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DECLARE_READ8_MEMBER(switches_r);
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DECLARE_WRITE_LINE_MEMBER(txt_w);
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DECLARE_WRITE_LINE_MEMBER(mix_w);
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DECLARE_WRITE_LINE_MEMBER(scr_w);
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DECLARE_WRITE_LINE_MEMBER(res_w);
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DECLARE_WRITE_LINE_MEMBER(an2_w);
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DECLARE_READ8_MEMBER(reset_r);
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void kuzmich(machine_config &config);
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void kuzmich_map(address_map &map);
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private:
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int m_speaker_state;
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uint8_t *m_ram_ptr;
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int m_ram_size;
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uint8_t read_floatingbus();
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};
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/***************************************************************************
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START/RESET
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***************************************************************************/
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void superga2_state::machine_start()
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{
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m_ram_ptr = m_ram->pointer();
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m_ram_size = m_ram->size();
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m_speaker_state = 0;
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m_speaker->level_w(m_speaker_state);
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// setup save states
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save_item(NAME(m_speaker_state));
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// setup video pointers
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m_video->m_ram_ptr = m_ram_ptr;
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m_video->m_aux_ptr = m_ram_ptr;
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m_video->m_char_ptr = memregion("gfx1")->base();
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m_video->m_char_size = memregion("gfx1")->bytes();
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m_video->m_sysconfig = 0;
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}
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void superga2_state::machine_reset()
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{
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uint8_t *user1 = memregion("maincpu")->base();
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memcpy(&m_ram_ptr[0x1100], user1, 0x8000);
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mix_w(false);
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scr_w(false);
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res_w(true);
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}
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/***************************************************************************
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VIDEO
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***************************************************************************/
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uint32_t superga2_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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m_video->hgr_update(screen, bitmap, cliprect, 0, 191);
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return 0;
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}
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/***************************************************************************
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I/O
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***************************************************************************/
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WRITE_LINE_MEMBER(superga2_state::txt_w)
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{
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if (m_video->m_graphics == state) // avoid flickering from II+ refresh polling
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{
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// select graphics or text mode
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m_screen->update_now();
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m_video->m_graphics = !state;
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}
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}
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WRITE_LINE_MEMBER(superga2_state::mix_w)
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{
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// select mixed mode or nomix
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m_screen->update_now();
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m_video->m_mix = state;
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}
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WRITE_LINE_MEMBER(superga2_state::scr_w)
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{
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// select primary or secondary page
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m_screen->update_now();
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m_video->m_page2 = state;
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}
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WRITE_LINE_MEMBER(superga2_state::res_w)
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{
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// select lo-res or hi-res
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m_screen->update_now();
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m_video->m_hires = state;
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}
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WRITE_LINE_MEMBER(superga2_state::an2_w)
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{
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m_video->m_an2 = state;
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}
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READ8_MEMBER(superga2_state::speaker_toggle_r)
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{
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if (!machine().side_effects_disabled())
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speaker_toggle_w(space, offset, 0);
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return read_floatingbus();
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}
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WRITE8_MEMBER(superga2_state::speaker_toggle_w)
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{
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m_speaker_state ^= 1;
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m_speaker->level_w(m_speaker_state);
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}
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READ8_MEMBER(superga2_state::switches_r)
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{
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if (!machine().side_effects_disabled())
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m_softlatch->write_bit((offset & 0x0e) >> 1, offset & 0x01);
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return read_floatingbus();
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}
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READ8_MEMBER(superga2_state::reset_r)
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{
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switch (offset)
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{
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case 0: case 2: return 0x00; break;
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case 1: case 3: return 0x11; break;
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}
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return 0xff;
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}
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uint8_t superga2_state::read_floatingbus()
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{
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return 0xff;
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}
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/***************************************************************************
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ADDRESS MAP
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***************************************************************************/
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READ8_MEMBER(superga2_state::ram_r)
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{
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if (offset < m_ram_size)
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{
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return m_ram_ptr[offset];
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}
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return 0xff;
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}
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WRITE8_MEMBER(superga2_state::ram_w)
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{
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if (offset < m_ram_size)
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{
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m_ram_ptr[offset] = data;
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}
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}
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void superga2_state::kuzmich_map(address_map &map)
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{
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map(0x0000, 0xbfff).rw(FUNC(superga2_state::ram_r), FUNC(superga2_state::ram_w));
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map(0xc000, 0xc000).mirror(0xf).portr("P1").nopw();
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map(0xc030, 0xc030).mirror(0xf).rw(FUNC(superga2_state::speaker_toggle_r), FUNC(superga2_state::speaker_toggle_w));
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map(0xc050, 0xc05f).r(FUNC(superga2_state::switches_r)).w(m_softlatch, FUNC(addressable_latch_device::write_a0));
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map(0xfffc, 0xffff).r(FUNC(superga2_state::reset_r));
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}
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/***************************************************************************
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INPUT PORTS
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***************************************************************************/
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static INPUT_PORTS_START( kuzmich )
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PORT_START("P1")
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// verified
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
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// unverified
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START2 )
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INPUT_PORTS_END
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void superga2_state::kuzmich(machine_config &config)
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{
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/* basic machine hardware */
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M6502(config, m_maincpu, 1021800);
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m_maincpu->set_addrmap(AS_PROGRAM, &superga2_state::kuzmich_map);
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APPLE2_VIDEO(config, m_video, XTAL(14'318'181));
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APPLE2_COMMON(config, m_a2common, XTAL(14'318'181));
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SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
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m_screen->set_raw(1021800*14, (65*7)*2, 0, (40*7)*2, 262, 0, 192);
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m_screen->set_screen_update(FUNC(superga2_state::screen_update));
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m_screen->set_palette(m_video);
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/* sound hardware */
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SPEAKER(config, "mono").front_center();
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SPEAKER_SOUND(config, A2_SPEAKER_TAG).add_route(ALL_OUTPUTS, "mono", 1.00);
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/* soft switches */
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F9334(config, m_softlatch); // F14 (labeled 74LS259 on some boards and in the Apple ][ Reference Manual)
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m_softlatch->q_out_cb<0>().set(FUNC(superga2_state::txt_w));
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m_softlatch->q_out_cb<1>().set(FUNC(superga2_state::mix_w));
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m_softlatch->q_out_cb<2>().set(FUNC(superga2_state::scr_w));
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m_softlatch->q_out_cb<3>().set(FUNC(superga2_state::res_w));
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m_softlatch->q_out_cb<6>().set(FUNC(superga2_state::an2_w));
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RAM(config, RAM_TAG).set_default_size("48K").set_default_value(0x00);
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}
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/***************************************************************************
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Game driver(s)
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***************************************************************************/
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ROM_START(kuzmich)
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ROM_REGION(0x0800,"gfx1",0)
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ROM_FILL(0, 0x800, 0)
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ROM_REGION(0x8000,"maincpu",0)
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ROM_LOAD("ke.bin", 0x0000, 0x8000, CRC(102d246b) SHA1(492dcdf0cc31190a97057a69010e2c9c23b6e59d))
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ROM_END
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// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME
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COMP( 199?, kuzmich, 0, 0, kuzmich, kuzmich, superga2_state, empty_init, "Nippel", "Kuzmich-Egorych", MACHINE_SUPPORTS_SAVE )
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@ -36563,6 +36563,9 @@ superdq // ???? (c) 1984
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superdqa // ???? (c) 1984
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superdqs // ???? (c) 1984
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@source:superga2.cpp
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kuzmich
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@source:superqix.cpp
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hotsmash // B18 (c) 1987 Taito
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pbillian // (c) 1986 Taito
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