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HP9000/300: Add HIL keyboard support

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Signed-off-by: Sven Schnelle <svens@stackframe.org>
This commit is contained in:
Sven Schnelle 2017-09-03 22:06:01 +02:00
parent 2d993a7b5d
commit eead79aea8
2 changed files with 68 additions and 0 deletions
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1
src/devices/bus/hp_hil/hp_hil.h
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@ -133,6 +133,7 @@ public:
template <class Object> static devcb_base &set_nmi_callback(device_t &device, Object &&cb) { return downcast<hp_hil_mlc_device &>(device).nmi_cb.set_callback(std::forward<Object>(cb)); }
void add_hp_hil_device(device_hp_hil_interface *device);
bool get_int(void) { return m_r3 & 1; }
DECLARE_READ8_MEMBER(read);
DECLARE_WRITE8_MEMBER(write);

67
src/mame/drivers/hp9k_3xx.cpp
View File

@ -60,11 +60,14 @@
#include "machine/6840ptm.h"
#include "bus/hp_dio/hp_dio.h"
#include "bus/hp_dio/hp98544.h"
#include "bus/hp_hil/hp_hil.h"
#include "bus/hp_hil/hil_devices.h"
#include "screen.h"
#define MAINCPU_TAG "maincpu"
#define IOCPU_TAG "iocpu"
#define PTM6840_TAG "ptm"
#define MLC_TAG "mlc"
class hp9k3xx_state : public driver_device
{
@ -73,12 +76,14 @@ public:
: driver_device(mconfig, type, tag),
m_maincpu(*this, MAINCPU_TAG),
m_iocpu(*this, IOCPU_TAG),
m_mlc(*this, MLC_TAG),
m_vram16(*this, "vram16"),
m_vram(*this, "vram")
{ }
required_device<cpu_device> m_maincpu;
optional_device<i8042_device> m_iocpu;
optional_device<hp_hil_mlc_device> m_mlc;
virtual void machine_reset() override;
optional_shared_ptr<uint16_t> m_vram16;
@ -91,6 +96,13 @@ public:
DECLARE_WRITE16_MEMBER(buserror16_w);
DECLARE_READ32_MEMBER(buserror_r);
DECLARE_WRITE32_MEMBER(buserror_w);
/* 8042 interface */
DECLARE_WRITE8_MEMBER(iocpu_port1_w);
DECLARE_WRITE8_MEMBER(iocpu_port2_w);
DECLARE_READ8_MEMBER(iocpu_port1_r);
DECLARE_READ8_MEMBER(iocpu_test0_r);
DECLARE_WRITE32_MEMBER(led_w)
{
if (mem_mask != 0x000000ff)
@ -117,6 +129,10 @@ public:
private:
bool m_in_buserr;
uint32_t m_last_buserr_pc;
bool m_hil_read;
uint8_t m_hil_data;
uint8_t m_latch_data;
};
uint32_t hp9k3xx_state::hp_medres_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
@ -161,6 +177,8 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START(hp9k310_map, AS_PROGRAM, 16, hp9k3xx_state)
AM_RANGE(0x000000, 0x01ffff) AM_ROM AM_REGION("maincpu",0) AM_WRITENOP // writes to 1fffc are the LED
AM_RANGE(0x00428000, 0x00428003) AM_DEVREADWRITE8(IOCPU_TAG, upi41_cpu_device, upi41_master_r, upi41_master_w, 0x00ff)
AM_RANGE(0x510000, 0x510003) AM_READWRITE(buserror16_r, buserror16_w) // no "Alpha display"
AM_RANGE(0x538000, 0x538003) AM_READWRITE(buserror16_r, buserror16_w) // no "Graphics"
AM_RANGE(0x5c0000, 0x5c0003) AM_READWRITE(buserror16_r, buserror16_w) // no add-on FP coprocessor
@ -315,6 +333,41 @@ WRITE32_MEMBER(hp9k3xx_state::buserror_w)
}
}
WRITE8_MEMBER(hp9k3xx_state::iocpu_port1_w)
{
m_hil_data = data;
}
static constexpr uint8_t HIL_CS = 0x01;
static constexpr uint8_t HIL_WE = 0x02;
static constexpr uint8_t HIL_OE = 0x04;
static constexpr uint8_t LATCH_EN = 0x08;
WRITE8_MEMBER(hp9k3xx_state::iocpu_port2_w)
{
if ((data & (HIL_CS|HIL_WE)) == 0)
m_mlc->write(space, (m_latch_data & 0xc0) >> 6, m_hil_data, 0xff);
m_hil_read = ((data & (HIL_CS|HIL_OE)) == 0);
if (!(data & LATCH_EN))
m_latch_data = m_hil_data;
m_maincpu->set_input_line(M68K_IRQ_1, data & 0x10 ? ASSERT_LINE : CLEAR_LINE);
}
READ8_MEMBER(hp9k3xx_state::iocpu_port1_r)
{
if (m_hil_read)
return m_mlc->read(space, (m_latch_data & 0xc0) >> 6, 0xff);
return 0xff;
}
READ8_MEMBER(hp9k3xx_state::iocpu_test0_r)
{
return !m_mlc->get_int();
}
static SLOT_INTERFACE_START(dio16_cards)
SLOT_INTERFACE("98544", HPDIO_98544) /* 98544 High Resolution Monochrome Card */
SLOT_INTERFACE_END
@ -326,6 +379,13 @@ static MACHINE_CONFIG_START( hp9k310 )
MCFG_CPU_ADD(IOCPU_TAG, I8042, 5000000)
MCFG_CPU_PROGRAM_MAP(iocpu_map)
MCFG_MCS48_PORT_P1_OUT_CB(WRITE8(hp9k3xx_state, iocpu_port1_w))
MCFG_MCS48_PORT_P2_OUT_CB(WRITE8(hp9k3xx_state, iocpu_port2_w))
MCFG_MCS48_PORT_P1_IN_CB(READ8(hp9k3xx_state, iocpu_port1_r))
MCFG_MCS48_PORT_T0_IN_CB(READ8(hp9k3xx_state, iocpu_test0_r))
MCFG_DEVICE_ADD(MLC_TAG, HP_HIL_MLC, XTAL_15_92MHz/2)
MCFG_HP_HIL_SLOT_ADD(MLC_TAG, "hil1", hp_hil_devices, "hp_ipc_kbd")
MCFG_DEVICE_ADD(PTM6840_TAG, PTM6840, 250000) // from oscillator module next to the 6840
MCFG_PTM6840_EXTERNAL_CLOCKS(250000.0f, 250000.0f, 250000.0f)
@ -343,6 +403,13 @@ static MACHINE_CONFIG_START( hp9k320 )
MCFG_CPU_ADD(IOCPU_TAG, I8042, 5000000)
MCFG_CPU_PROGRAM_MAP(iocpu_map)
MCFG_MCS48_PORT_P1_OUT_CB(WRITE8(hp9k3xx_state, iocpu_port1_w))
MCFG_MCS48_PORT_P2_OUT_CB(WRITE8(hp9k3xx_state, iocpu_port2_w))
MCFG_MCS48_PORT_P1_IN_CB(READ8(hp9k3xx_state, iocpu_port1_r))
MCFG_MCS48_PORT_T0_IN_CB(READ8(hp9k3xx_state, iocpu_test0_r))
MCFG_DEVICE_ADD(MLC_TAG, HP_HIL_MLC, XTAL_15_92MHz/2)
MCFG_HP_HIL_SLOT_ADD(MLC_TAG, "hil1", hp_hil_devices, "hp_ipc_kbd")
MCFG_DEVICE_ADD(PTM6840_TAG, PTM6840, 250000) // from oscillator module next to the 6840
MCFG_PTM6840_EXTERNAL_CLOCKS(250000.0f, 250000.0f, 250000.0f)