summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/hp9k_3xx.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/hp9k_3xx.cpp')
-rw-r--r--src/mame/drivers/hp9k_3xx.cpp66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/mame/drivers/hp9k_3xx.cpp b/src/mame/drivers/hp9k_3xx.cpp
index a8f3cda02db..60ae893bd61 100644
--- a/src/mame/drivers/hp9k_3xx.cpp
+++ b/src/mame/drivers/hp9k_3xx.cpp
@@ -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)
@@ -116,6 +128,9 @@ public:
private:
bool m_in_buserr;
+ 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)
@@ -162,6 +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
@@ -291,6 +308,41 @@ 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
@@ -302,6 +354,13 @@ 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)
@@ -319,6 +378,13 @@ 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)