diff options
Diffstat (limited to 'src/mame/drivers/generalplus_gpl16250_spi_direct.cpp')
-rw-r--r-- | src/mame/drivers/generalplus_gpl16250_spi_direct.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/mame/drivers/generalplus_gpl16250_spi_direct.cpp b/src/mame/drivers/generalplus_gpl16250_spi_direct.cpp new file mode 100644 index 00000000000..702330fc9f8 --- /dev/null +++ b/src/mame/drivers/generalplus_gpl16250_spi_direct.cpp @@ -0,0 +1,107 @@ +// license:BSD-3-Clause +// copyright-holders:David Haywood +/* + These seem to be GPL16250 related based on video register use + however the SPI ROM maps directly into CPU space, where you'd + expect internal ROM to be?! +*/ + +#include "emu.h" +#include "includes/generalplus_gpl16250.h" + +class generalplus_gpspi_direct_game_state : public gcm394_game_state +{ +public: + generalplus_gpspi_direct_game_state(const machine_config& mconfig, device_type type, const char* tag) : + gcm394_game_state(mconfig, type, tag) + { + } + + void init_fif(); + + void generalplus_gpspi_direct(machine_config &config); + +protected: + virtual void machine_start() override; + virtual void machine_reset() override; + +private: +}; + +void generalplus_gpspi_direct_game_state::machine_start() +{ +} + +void generalplus_gpspi_direct_game_state::machine_reset() +{ + m_maincpu->reset(); // reset CPU so vector gets read etc. +} + +static INPUT_PORTS_START( gcm394 ) + PORT_START("IN0") + PORT_START("IN1") + PORT_START("IN2") +INPUT_PORTS_END + + +void generalplus_gpspi_direct_game_state::generalplus_gpspi_direct(machine_config &config) +{ + GP_SPI_DIRECT(config, m_maincpu, 96000000/2, m_screen); + m_maincpu->porta_in().set(FUNC(generalplus_gpspi_direct_game_state::porta_r)); + m_maincpu->portb_in().set(FUNC(generalplus_gpspi_direct_game_state::portb_r)); + m_maincpu->portc_in().set(FUNC(generalplus_gpspi_direct_game_state::portc_r)); + m_maincpu->porta_out().set(FUNC(generalplus_gpspi_direct_game_state::porta_w)); + m_maincpu->space_read_callback().set(FUNC(generalplus_gpspi_direct_game_state::read_external_space)); + m_maincpu->space_write_callback().set(FUNC(generalplus_gpspi_direct_game_state::write_external_space)); + m_maincpu->set_irq_acknowledge_callback(m_maincpu, FUNC(sunplus_gcm394_base_device::irq_vector_cb)); + m_maincpu->add_route(ALL_OUTPUTS, "lspeaker", 0.5); + m_maincpu->add_route(ALL_OUTPUTS, "rspeaker", 0.5); + m_maincpu->set_bootmode(0); + m_maincpu->set_cs_config_callback(FUNC(gcm394_game_state::cs_callback)); + + FULL_MEMORY(config, m_memory).set_map(&generalplus_gpspi_direct_game_state::cs_map_base); + + SCREEN(config, m_screen, SCREEN_TYPE_RASTER); + m_screen->set_refresh_hz(60); + m_screen->set_size(320*2, 262*2); + m_screen->set_visarea(0, (320*2)-1, 0, (240*2)-1); + m_screen->set_screen_update("maincpu", FUNC(sunplus_gcm394_device::screen_update)); + m_screen->screen_vblank().set(m_maincpu, FUNC(sunplus_gcm394_device::vblank)); + + SPEAKER(config, "lspeaker").front_left(); + SPEAKER(config, "rspeaker").front_right(); +} + +// Is there an internal ROM that gets mapped out or can this type really execute directly from scrambled SPI? + +ROM_START( fixitflx ) + ROM_REGION16_BE( 0x40000, "maincpu:internal", ROMREGION_ERASE00 ) + //ROM_LOAD16_WORD_SWAP( "internal.rom", 0x00000, 0x40000, NO_DUMP ) + + ROM_REGION16_BE(0x800000, "maincpu:spidirect", ROMREGION_ERASE00) + ROM_LOAD16_WORD_SWAP( "fixitfelix_md25q16csig_c84015.bin", 0x0000, 0x200000, CRC(605c6863) SHA1(4f6cc2e8388e20eb90c6b05265273650eeea56eb) ) +ROM_END + +ROM_START( wiwcs ) + ROM_REGION16_BE( 0x40000, "maincpu:internal", ROMREGION_ERASE00 ) + //ROM_LOAD16_WORD_SWAP( "internal.rom", 0x00000, 0x40000, NO_DUMP ) + + ROM_REGION16_BE(0x800000, "maincpu:spidirect", ROMREGION_ERASE00) + ROM_LOAD16_WORD_SWAP( "wwcs.img", 0x0000, 0x800000, CRC(9b86bc45) SHA1(17721c662642a257d3e0f56e351a9a80d75d9110) ) + + ROM_REGION16_BE(0x400, "i2c", ROMREGION_ERASE00) + ROM_LOAD( "witw_eeprom.bin", 0x0000, 0x400, CRC(9426350b) SHA1(c481ded8b1f61fbf2403532dabb9c0a5c2a33fa2) ) +ROM_END + +void generalplus_gpspi_direct_game_state::init_fif() +{ + uint16_t* spirom16 = (uint16_t*)memregion("maincpu:spidirect")->base(); + for (int i = 0; i < 0x800000 / 2; i++) + { + spirom16[i] = bitswap<16>(spirom16[i] ^ 0xdd0d, + 3, 1, 11, 9, 6, 14, 0, 2, 8, 7, 13, 15, 4, 5, 12, 10); + } +} + +CONS(2017, fixitflx, 0, 0, generalplus_gpspi_direct, gcm394, generalplus_gpspi_direct_game_state , init_fif, "Basic Fun", "Fix It Felix Jr. (Mini Arcade)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND) +CONS(2018, wiwcs, 0, 0, generalplus_gpspi_direct, gcm394, generalplus_gpspi_direct_game_state , init_fif, "Basic Fun", "Where in the World is Carmen Sandiego? (Handheld)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND) |