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Diffstat (limited to 'src/mame/drivers/palestra.cpp')
-rw-r--r-- | src/mame/drivers/palestra.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/mame/drivers/palestra.cpp b/src/mame/drivers/palestra.cpp new file mode 100644 index 00000000000..a4c188675fd --- /dev/null +++ b/src/mame/drivers/palestra.cpp @@ -0,0 +1,95 @@ +// license:BSD-3-Clause +// copyright-holders:Sergey Svishchev + +/*************************************************************************** + + Palestra-02 (a Pong clone) + + https://www.mobygames.com/game/dedicated-console/palestra-02 + database entry + http://www.ccjvq.com/slydc/palestra02.rar + schematics + http://discreteconsoles.blogspot.com/2015/10/emulation-of-ay-3-8500-1-and-clones-soon.html + photos + https://www.youtube.com/watch?v=3XZxkTvOF4Y + gameplay video + + To do: + - write 74H53 device + - trace the boards (schematic contains several errors) + - hook up inputs + +***************************************************************************/ + +#include "emu.h" + +#include "machine/netlist.h" + +#include "video/fixfreq.h" + +#include "netlist/devices/net_lib.h" + +#include "machine/nl_palestra.h" + +#include "screen.h" + +#include <cmath> + + +#define MASTER_CLOCK (4000000) +#define V_TOTAL_PONG 315 +#define H_TOTAL_PONG 256 // tbc + +class palestra_state : public driver_device +{ +public: + palestra_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + , m_video(*this, "fixfreq") + { + } + + // devices + required_device<netlist_mame_device> m_maincpu; + required_device<fixedfreq_device> m_video; + + void palestra(machine_config &config); + +protected: + // driver_device overrides + virtual void machine_start() override { }; + virtual void machine_reset() override { }; + + virtual void video_start() override { }; + +private: +}; + + +static INPUT_PORTS_START(palestra) +INPUT_PORTS_END + + +MACHINE_CONFIG_START(palestra_state::palestra) + NETLIST_CPU(config, m_maincpu, NETLIST_CLOCK); + m_maincpu->set_constructor(netlist_palestra); + + MCFG_NETLIST_ANALOG_OUTPUT("maincpu", "vid0", "videomix", fixedfreq_device, update_composite_monochrome, "fixfreq") + + SCREEN(config, "screen", SCREEN_TYPE_RASTER); + FIXFREQ(config, m_video).set_screen("screen"); + m_video->set_monitor_clock(MASTER_CLOCK); + m_video->set_horz_params(H_TOTAL_PONG-64,H_TOTAL_PONG-40,H_TOTAL_PONG-8,H_TOTAL_PONG); + m_video->set_vert_params(V_TOTAL_PONG-19,V_TOTAL_PONG-16,V_TOTAL_PONG-12,V_TOTAL_PONG); + m_video->set_fieldcount(1); + m_video->set_threshold(1); + m_video->set_gain(0.36); +MACHINE_CONFIG_END + + +ROM_START( palestra ) /* dummy to satisfy game entry*/ + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASE00 ) +ROM_END + +CONS( 1978, palestra, 0, 0, palestra, palestra, palestra_state, empty_init, "LPO", "Palestra-02", MACHINE_IS_SKELETON) |