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m79amb: Modernize interrupt; use raw parameters for screen

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This commit is contained in:
AJR 2021-06-10 10:13:16 -04:00
parent 785f455e44
commit be9ceecb4e
2 changed files with 13 additions and 13 deletions
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20
src/mame/drivers/m79amb.cpp
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@ -59,7 +59,6 @@ and two large (paddles pretending to be) guns.
#include "emu.h"
#include "includes/m79amb.h"
#include "cpu/i8085/i8085.h"
#include "screen.h"
#include "speaker.h"
@ -185,25 +184,26 @@ static INPUT_PORTS_START( m79amb )
INPUT_PORTS_END
INTERRUPT_GEN_MEMBER(m79amb_state::m79amb_interrupt)
uint8_t m79amb_state::inta_r()
{
device.execute().set_input_line_and_vector(0, HOLD_LINE, 0xcf); /* Z80 - RST 08h */
m_maincpu->set_input_line(0, CLEAR_LINE);
// Vector is RST 1
return 0xcf;
}
void m79amb_state::m79amb(machine_config &config)
{
/* basic machine hardware */
I8080(config, m_maincpu, XTAL(19'660'800) / 10);
I8080(config, m_maincpu, 19.6608_MHz_XTAL / 10);
m_maincpu->set_addrmap(AS_PROGRAM, &m79amb_state::main_map);
m_maincpu->set_vblank_int("screen", FUNC(m79amb_state::m79amb_interrupt));
m_maincpu->in_inta_func().set(FUNC(m79amb_state::inta_r));
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500) /* not accurate */);
screen.set_size(32*8, 32*8);
screen.set_visarea(0*8, 32*8-1, 4*8, 32*8-1);
screen.set_raw(19.6608_MHz_XTAL / 4, 320, 0, 256, 262, 32, 256);
screen.set_screen_update(FUNC(m79amb_state::screen_update_ramtek));
screen.screen_vblank().set_inputline(m_maincpu, 0, ASSERT_LINE);
/* sound hardware */
SPEAKER(config, "mono").front_center();
@ -214,7 +214,7 @@ void m79amb_state::m79amb(machine_config &config)
ROM_START( m79amb )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_REGION( 0x2000, "maincpu", 0 )
ROM_LOAD( "m79.10t", 0x0000, 0x0200, CRC(ccf30b1e) SHA1(c1a77f8dc81c491928f81121ca5c9b7f8753794f) )
ROM_LOAD( "m79.9t", 0x0200, 0x0200, CRC(daf807dd) SHA1(16cd9d553bfb111c8380966cbde39dbddd5fe58c) )
ROM_LOAD( "m79.8t", 0x0400, 0x0200, CRC(79fafa02) SHA1(440620f5be44febdd7c64014739dc71fb570cc92) )

6
src/mame/includes/m79amb.h
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@ -5,6 +5,7 @@
#pragma once
#include "cpu/i8085/i8085.h"
#include "sound/discrete.h"
class m79amb_state : public driver_device
@ -30,8 +31,7 @@ private:
void m79amb_8000_w(uint8_t data);
void m79amb_8002_w(uint8_t data);
void m79amb_8003_w(uint8_t data);
INTERRUPT_GEN_MEMBER(m79amb_interrupt);
uint8_t inta_r();
void machine_start() override;
@ -42,7 +42,7 @@ private:
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_mask;
required_device<discrete_device> m_discrete;
required_device<cpu_device> m_maincpu;
required_device<i8080_cpu_device> m_maincpu;
output_finder<> m_self_test;