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hp16500: connect HIL MLC

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Signed-off-by: Sven Schnelle <svens@stackframe.org>
This commit is contained in:
Sven Schnelle 2017-09-08 14:09:58 +02:00
parent 9100c4e0d7
commit 036944c936
1 changed files with 25 additions and 2 deletions
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27
src/mame/drivers/hp16500.cpp
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@ -50,6 +50,8 @@
#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "machine/mc68681.h"
#include "bus/hp_hil/hp_hil.h"
#include "bus/hp_hil/hil_devices.h"
#include "video/mc6845.h"
#include "screen.h"
#include "speaker.h"
@ -58,13 +60,15 @@
#define CRTC_TAG "crtc"
#define SCREEN_TAG "screen"
#define DUART_TAG "duart"
#define MLC_TAG "mlc"
class hp16500_state : public driver_device
{
public:
hp16500_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, MAINCPU_TAG)
m_maincpu(*this, MAINCPU_TAG),
m_mlc(*this, MLC_TAG)
{ }
virtual void video_start() override;
@ -72,6 +76,7 @@ public:
uint32_t screen_update_hp16500a(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
required_device<cpu_device> m_maincpu;
optional_device<hp_hil_mlc_device> m_mlc;
std::vector<uint8_t> m_vram;
uint8_t m_mask, m_val;
@ -93,7 +98,7 @@ public:
DECLARE_WRITE8_MEMBER(pal_b_w);
DECLARE_WRITE16_MEMBER(maskval_w);
DECLARE_WRITE_LINE_MEMBER(irq_2);
DECLARE_WRITE_LINE_MEMBER(vsync_changed);
MC6845_UPDATE_ROW(crtc_update_row);
MC6845_UPDATE_ROW(crtc_update_row_1650);
@ -209,6 +214,11 @@ WRITE16_MEMBER(hp16500_state::maskval_w)
m_mask = (data & 0xff) ^ 0xff;
}
WRITE_LINE_MEMBER(hp16500_state::irq_2)
{
m_maincpu->set_input_line_and_vector(M68K_IRQ_2, state, M68K_INT_ACK_AUTOVECTOR);
}
static ADDRESS_MAP_START(hp1650_map, AS_PROGRAM, 16, hp16500_state)
AM_RANGE(0x000000, 0x00ffff) AM_ROM AM_REGION("bios", 0)
@ -296,6 +306,7 @@ static ADDRESS_MAP_START(hp16500_map, AS_PROGRAM, 32, hp16500_state)
AM_RANGE(0x0020b800, 0x0020b8ff) AM_RAM // system ram test is really strange.
AM_RANGE(0x0020f800, 0x0020f80f) AM_DEVREADWRITE8(MLC_TAG, hp_hil_mlc_device, read, write, 0xffffffff);
AM_RANGE(0x00600000, 0x0061ffff) AM_WRITE16(vram_w, 0xffffffff)
AM_RANGE(0x00600000, 0x0067ffff) AM_READ8 (vram_r, 0x00ff00ff)
AM_RANGE(0x00700000, 0x00700003) AM_WRITE8 (mask_w, 0xff000000)
@ -469,6 +480,18 @@ static MACHINE_CONFIG_START( hp16500 )
MCFG_SCREEN_VISIBLE_AREA(0, 576-1, 0, 384-1)
MCFG_SCREEN_REFRESH_RATE(60)
// FIXME: Where is the AP line connected to? The MLC documentation recommends
// connecting it to VBLANK
MCFG_SCREEN_VBLANK_CALLBACK(DEVWRITELINE(MLC_TAG, hp_hil_mlc_device, ap_w))
MCFG_DEVICE_ADD(MLC_TAG, HP_HIL_MLC, XTAL_15_92MHz/2)
MCFG_HP_HIL_INT_CALLBACK(WRITELINE(hp16500_state, irq_2))
// TODO: for now hook up the ipc hil keyboard - this might be replaced
// later with a 16500b specific keyboard implementation
MCFG_HP_HIL_SLOT_ADD(MLC_TAG, "hil1", hp_hil_devices, "hp_ipc_kbd")
MCFG_HP_HIL_SLOT_ADD(MLC_TAG, "hil2", hp_hil_devices, "hp_ipc_kbd")
MCFG_DEVICE_ADD(DUART_TAG, MC68681, 20000000)
MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")