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Merge pull request #2026 from ajrhacker/gcpinbal_hct157

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gcpinbal: Add HCT157
This commit is contained in:
ajrhacker 2017-01-28 22:57:12 -05:00 committed by GitHub
commit 08ff68af65
2 changed files with 10 additions and 2 deletions
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9
src/mame/drivers/gcpinbal.cpp
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@ -254,6 +254,8 @@ WRITE16_MEMBER(gcpinbal_state::ioc_w)
/* Controlled through ioc? */
WRITE_LINE_MEMBER(gcpinbal_state::gcp_adpcm_int)
{
if (!state)
return;
if (m_adpcm_idle)
m_msm->reset_w(1);
if (m_adpcm_start >= 0x200000 || m_adpcm_start > m_adpcm_end)
@ -266,8 +268,8 @@ WRITE_LINE_MEMBER(gcpinbal_state::gcp_adpcm_int)
{
uint8_t *ROM = memregion("msm")->base();
m_adpcm_data = ((m_adpcm_trigger ? (ROM[m_adpcm_start] & 0x0f) : (ROM[m_adpcm_start] & 0xf0) >> 4));
m_msm->data_w(m_adpcm_data & 0xf);
m_adpcm_select->ab_w(ROM[m_adpcm_start]);
m_adpcm_select->select_w(m_adpcm_trigger);
m_adpcm_trigger ^= 1;
if (m_adpcm_trigger == 0)
m_adpcm_start++;
@ -497,6 +499,9 @@ static MACHINE_CONFIG_START( gcpinbal, gcpinbal_state )
MCFG_OKIM6295_ADD("oki", XTAL_1_056MHz, OKIM6295_PIN7_HIGH)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
MCFG_DEVICE_ADD("adpcm_select", HCT157, 0)
MCFG_74157_OUT_CB(DEVWRITE8("msm", msm6585_device, data_w))
MCFG_SOUND_ADD("msm", MSM6585, XTAL_640kHz)
MCFG_MSM6585_VCLK_CB(WRITELINE(gcpinbal_state, gcp_adpcm_int)) /* VCK function */
MCFG_MSM6585_PRESCALER_SELECTOR(MSM6585_S40) /* 16 kHz */

3
src/mame/includes/gcpinbal.h
View File

@ -1,6 +1,7 @@
// license:BSD-3-Clause
// copyright-holders:David Graves, R. Belmont
#include "machine/74157.h"
#include "sound/okim6295.h"
#include "sound/msm5205.h"
#include "video/excellent_spr.h"
@ -19,6 +20,7 @@ public:
m_maincpu(*this, "maincpu"),
m_oki(*this, "oki"),
m_msm(*this, "msm"),
m_adpcm_select(*this, "adpcm_select"),
m_tilemapram(*this, "tilemapram"),
m_ioc_ram(*this, "ioc_ram"),
m_gfxdecode(*this, "gfxdecode"),
@ -30,6 +32,7 @@ public:
required_device<cpu_device> m_maincpu;
required_device<okim6295_device> m_oki;
required_device<msm6585_device> m_msm;
required_device<hct157_device> m_adpcm_select;
/* memory pointers */
required_shared_ptr<uint16_t> m_tilemapram;