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gigatron: hook up screen, change machine type (#6196)

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* gigatron: hook up screen, change machine type

* gigatron: fix cpu name

* gigatron: fix the comp macro

thanks robert

* gigatron: screen update
This commit is contained in:
Sterophonick 2020-01-21 17:49:02 -07:00 committed by ajrhacker
parent c0b3e7c6cd
commit aed342f430
2 changed files with 32 additions and 2 deletions
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2
src/devices/cpu/gigatron/gigatron.cpp
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@ -11,7 +11,7 @@
#include "gigatrondasm.h" #include "gigatrondasm.h"
DEFINE_DEVICE_TYPE(GTRON, gigatron_cpu_device, "gigatron", "GTRON") DEFINE_DEVICE_TYPE(GTRON, gigatron_cpu_device, "gigatron", "Gigatron CPU Device")
/* FLAGS */ /* FLAGS */

32
src/mame/drivers/gigatron.cpp
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@ -7,6 +7,9 @@
***************************************************************************/ ***************************************************************************/
//There is a pre-existing emulator here https://github.com/PhilThomas/gigatron
//It's just a matter of translating it to MAME.
#include "emu.h" #include "emu.h"
#include "cpu/gigatron/gigatron.h" #include "cpu/gigatron/gigatron.h"
#include "machine/nvram.h" #include "machine/nvram.h"
@ -25,13 +28,25 @@ public:
void gigatron(machine_config &config); void gigatron(machine_config &config);
private: private:
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
virtual void machine_start() override;
virtual void machine_reset() override;
void prog_map(address_map &map); void prog_map(address_map &map);
void data_map(address_map &map); void data_map(address_map &map);
required_device<cpu_device> m_maincpu; required_device<cpu_device> m_maincpu;
}; };
uint32_t gigatron_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
return 0;
}
void gigatron_state::prog_map(address_map &map) void gigatron_state::prog_map(address_map &map)
{ {
map(0x0000, 0x3fff).rom().region("maincpu", 0); map(0x0000, 0x3fff).rom().region("maincpu", 0);
@ -41,6 +56,14 @@ void gigatron_state::data_map(address_map &map)
{ {
} }
void gigatron_state::machine_start()
{
}
void gigatron_state::machine_reset()
{
}
static INPUT_PORTS_START(gigatron) static INPUT_PORTS_START(gigatron)
INPUT_PORTS_END INPUT_PORTS_END
@ -50,6 +73,13 @@ void gigatron_state::gigatron(machine_config &config)
m_maincpu->set_addrmap(AS_PROGRAM, &gigatron_state::prog_map); m_maincpu->set_addrmap(AS_PROGRAM, &gigatron_state::prog_map);
m_maincpu->set_addrmap(AS_DATA, &gigatron_state::data_map); m_maincpu->set_addrmap(AS_DATA, &gigatron_state::data_map);
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_refresh_hz(60);
screen.set_size(640, 480);
screen.set_visarea(0, 640, 0, 480);
screen.set_screen_update(FUNC(gigatron_state::screen_update));
SPEAKER(config, "mono").front_center(); SPEAKER(config, "mono").front_center();
} }
@ -59,4 +89,4 @@ ROM_START( gigatron )
ROM_LOAD( "gigatron.rom", 0x0000, 0x20000, CRC(78995109) SHA1(2395fc48e64099836111f5aeca39ddbf4650ea4e) ) ROM_LOAD( "gigatron.rom", 0x0000, 0x20000, CRC(78995109) SHA1(2395fc48e64099836111f5aeca39ddbf4650ea4e) )
ROM_END ROM_END
GAME(199?, gigatron, 0, gigatron, gigatron, gigatron_state, empty_init, ROT0, "Marcel van Kervinck", "Gigatron TTL Microcomputer", MACHINE_IS_SKELETON_MECHANICAL) COMP(2018, gigatron, 0, 0, gigatron, gigatron, gigatron_state, empty_init, "Marcel van Kervinck", "Gigatron TTL Microcomputer", MACHINE_IS_SKELETON)