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micro20: more device hookups, gets farther into POST [R. Belmont]

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This commit is contained in:
arbee 2016-11-25 21:12:14 -05:00
parent 526d9b0ec9
commit 73755c82c9
1 changed files with 29 additions and 6 deletions
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35
src/mame/drivers/micro20.cpp
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@ -7,7 +7,7 @@
68020 + 68881 FPU
800a5e = end of initial 68020 torture test
****************************************************************************/
#include "emu.h"
@ -15,6 +15,7 @@
#include "machine/mc68681.h"
#include "machine/msm58321.h"
#include "machine/wd_fdc.h"
#include "machine/68230pit.h"
#include "softlist.h"
#define MAINCPU_TAG "maincpu"
@ -22,25 +23,30 @@
#define DUART_B_TAG "duartb"
#define RTC_TAG "rtc"
#define FDC_TAG "fdc"
#define PIT_TAG "pit"
class micro20_state : public driver_device
{
public:
micro20_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_maincpu(*this, MAINCPU_TAG),
m_rom(*this, "bootrom"),
m_mainram(*this, "mainram")
m_mainram(*this, "mainram"),
m_pit(*this, PIT_TAG)
{
}
required_device<cpu_device> m_maincpu;
required_device<m68020_device> m_maincpu;
required_memory_region m_rom;
required_shared_ptr<uint32_t> m_mainram;
required_device<pit68230_device> m_pit;
virtual void machine_start() override;
virtual void machine_reset() override;
DECLARE_WRITE_LINE_MEMBER(m68k_reset_callback);
private:
};
@ -57,6 +63,14 @@ void micro20_state::machine_reset()
pRAM[0] = pROM[0];
pRAM[1] = pROM[1];
m_maincpu->reset();
m_maincpu->set_reset_callback(write_line_delegate(FUNC(micro20_state::m68k_reset_callback),this));
}
WRITE_LINE_MEMBER(micro20_state::m68k_reset_callback)
{
// startup test explicitly checks if the m68k RESET opcode resets the 68230
m_pit->reset();
}
/***************************************************************************
@ -64,8 +78,15 @@ void micro20_state::machine_reset()
***************************************************************************/
static ADDRESS_MAP_START(micro20_map, AS_PROGRAM, 32, micro20_state )
AM_RANGE(0x000000, 0x1fffff) AM_RAM AM_SHARE("mainram")
AM_RANGE(0x800000, 0x83ffff) AM_ROM AM_REGION("bootrom", 0)
AM_RANGE(0x00000000, 0x001fffff) AM_RAM AM_SHARE("mainram")
AM_RANGE(0x00800000, 0x0083ffff) AM_ROM AM_REGION("bootrom", 0)
AM_RANGE(0xffff8000, 0xffff8003) AM_DEVREADWRITE8(FDC_TAG, wd1772_t, status_r, cmd_w, 0xff000000)
AM_RANGE(0xffff8000, 0xffff8003) AM_DEVREADWRITE8(FDC_TAG, wd1772_t, track_r, track_w, 0x00ff0000)
AM_RANGE(0xffff8000, 0xffff8003) AM_DEVREADWRITE8(FDC_TAG, wd1772_t, sector_r, sector_w, 0x0000ff00)
AM_RANGE(0xffff8000, 0xffff8003) AM_DEVREADWRITE8(FDC_TAG, wd1772_t, data_r, data_w, 0x000000ff)
AM_RANGE(0xffff8080, 0xffff808f) AM_DEVREADWRITE8(DUART_A_TAG, mc68681_device, read, write, 0xffffffff)
AM_RANGE(0xffff80a0, 0xffff80af) AM_DEVREADWRITE8(DUART_B_TAG, mc68681_device, read, write, 0xffffffff)
AM_RANGE(0xffff80c0, 0xffff80df) AM_DEVREADWRITE8(PIT_TAG, pit68230_device, read, write, 0xffffffff)
ADDRESS_MAP_END
static MACHINE_CONFIG_START( micro20, micro20_state )
@ -84,6 +105,8 @@ static MACHINE_CONFIG_START( micro20, micro20_state )
MCFG_DEVICE_ADD(RTC_TAG, MSM58321, XTAL_32_768kHz)
MCFG_WD1772_ADD(FDC_TAG, XTAL_16_67MHz / 2)
MCFG_DEVICE_ADD(PIT_TAG, PIT68230, XTAL_16_67MHz / 2)
MACHINE_CONFIG_END
static INPUT_PORTS_START( micro20 )