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dragon32: Added JCB Speech Synthesis cartridge.

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This commit is contained in:
Nigel Barnes 2019-09-07 17:38:58 +01:00
parent e26914f3a3
commit 035380ca97
6 changed files with 216 additions and 3 deletions
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6
hash/dragon_cart.xml
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@ -440,7 +440,7 @@ Compiled by K1W1 and Cowering (from GoodCoCo)
<year>1983</year>
<publisher>&lt;unknown;&gt;</publisher>
<part name="cart" interface="coco_cart">
<!-- <feature name="slot" value="soaktest" /> -->
<!-- <feature name="slot" value="soaktest" /> -->
<dataarea name="rom" size="4096">
<rom name="d32soaktest.rom" size="4096" crc="41c61438" sha1="6db94922a458ae292d7a5c3333d86f2d935212b6"/>
</dataarea>
@ -459,12 +459,12 @@ Compiled by K1W1 and Cowering (from GoodCoCo)
</part>
</software>
<software name="speech" supported="no">
<software name="speech">
<description>Speech Synthesis Module</description>
<year>1983</year>
<publisher>J.C.B. (Microsystems)</publisher>
<part name="cart" interface="coco_cart">
<!-- <feature name="slot" value="jcbspch" /> -->
<feature name="slot" value="jcbspch" />
<dataarea name="rom" size="4096">
<rom name="jcb-speech.rom" size="4096" crc="e88dfe36" sha1="df3f64a7a3beeb91469932035af5e4f8a7872aad"/>
</dataarea>

2
scripts/src/bus.lua
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@ -3093,6 +3093,8 @@ if (BUSES["COCO"]~=null) then
MAME_DIR .. "src/devices/bus/coco/dragon_fdc.h",
MAME_DIR .. "src/devices/bus/coco/dragon_jcbsnd.cpp",
MAME_DIR .. "src/devices/bus/coco/dragon_jcbsnd.h",
MAME_DIR .. "src/devices/bus/coco/dragon_jcbspch.cpp",
MAME_DIR .. "src/devices/bus/coco/dragon_jcbspch.h",
MAME_DIR .. "src/devices/bus/coco/dragon_sprites.cpp",
MAME_DIR .. "src/devices/bus/coco/dragon_sprites.h",
}

155
src/devices/bus/coco/dragon_jcbspch.cpp Normal file
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@ -0,0 +1,155 @@
// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/***************************************************************************
JCB Speech Synthesis Module
http://archive.worldofdragon.org/index.php?title=Dragon_Speech_Synthesis
Speech synthesiser cartridge made by J.C.B. (Microsystems). It is based
on the General Instruments SP0256-AL2 speech synthesiser. The cartridge
provides extensions to BASIC for producing speech.
TODO: verify everything
***************************************************************************/
#include "emu.h"
#include "dragon_jcbspch.h"
#include "speaker.h"
ROM_START(dragon_jcbspch)
ROM_REGION(0x10000, "sp0256", 0)
ROM_LOAD("sp0256-al2.bin", 0x1000, 0x0800, CRC(b504ac15) SHA1(e60fcb5fa16ff3f3b69d36c7a6e955744d3feafc))
ROM_REGION(0x1000, "eprom", 0)
ROM_LOAD("cb-speech.rom", 0x0000, 0x1000, CRC(e88dfe36) SHA1(df3f64a7a3beeb91469932035af5e4f8a7872aad))
ROM_END
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
DEFINE_DEVICE_TYPE(DRAGON_JCBSPCH, dragon_jcbspch_device, "dragon_jcbspch", "Dragon Speech Synthesis Module")
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// dragon_jcbspch_device - constructor
//-------------------------------------------------
dragon_jcbspch_device::dragon_jcbspch_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, DRAGON_JCBSPCH, tag, owner, clock)
, device_cococart_interface(mconfig, *this )
, m_eprom(*this, "eprom")
, m_pia(*this, "pia")
, m_nsp(*this, "sp0256")
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void dragon_jcbspch_device::device_start()
{
set_line_value(line::CART, line_value::Q);
}
//-------------------------------------------------
// dragon_jcbspch_device::get_cart_base
//-------------------------------------------------
uint8_t* dragon_jcbspch_device::get_cart_base()
{
return m_eprom->base();
}
//-------------------------------------------------
// dragon_jcbspch_device::get_cart_memregion
//-------------------------------------------------
memory_region* dragon_jcbspch_device::get_cart_memregion()
{
return m_eprom;
}
//-------------------------------------------------
// device_add_mconfig - add device configuration
//-------------------------------------------------
void dragon_jcbspch_device::device_add_mconfig(machine_config &config)
{
PIA6821(config, m_pia, 0);
m_pia->writepb_handler().set(m_nsp, FUNC(sp0256_device::ald_w)).mask(0x3f);
m_pia->cb2_handler().set(FUNC(dragon_jcbspch_device::pia_cb2_w));
m_pia->irqb_handler().set(FUNC(dragon_jcbspch_device::nmi_w));
SPEAKER(config, "mono").front_center();
SP0256(config, m_nsp, 3.2768_MHz_XTAL);
m_nsp->standby_callback().set(m_pia, FUNC(pia6821_device::cb1_w));
m_nsp->add_route(ALL_OUTPUTS, "mono", 1.00);
}
//-------------------------------------------------
// rom_region - device-specific ROM region
//-------------------------------------------------
const tiny_rom_entry *dragon_jcbspch_device::device_rom_region() const
{
return ROM_NAME( dragon_jcbspch );
}
//-------------------------------------------------
// cts_read
//-------------------------------------------------
READ8_MEMBER(dragon_jcbspch_device::cts_read)
{
return m_eprom->base()[offset & 0x0fff];
}
//-------------------------------------------------
// scs_read
//-------------------------------------------------
READ8_MEMBER(dragon_jcbspch_device::scs_read)
{
uint8_t result = 0x00;
switch (offset)
{
case 0: case 1: case 2: case 3:
result = m_pia->read(offset);
break;
}
return result;
}
//-------------------------------------------------
// scs_write
//-------------------------------------------------
WRITE8_MEMBER(dragon_jcbspch_device::scs_write)
{
switch (offset)
{
case 0: case 1: case 2: case 3:
m_pia->write(offset, data);
break;
}
}
WRITE_LINE_MEMBER(dragon_jcbspch_device::pia_cb2_w)
{
// TODO: what does this do?
}
WRITE_LINE_MEMBER(dragon_jcbspch_device::nmi_w)
{
// set the NMI line
set_line_value(line::NMI, state);
}

52
src/devices/bus/coco/dragon_jcbspch.h Normal file
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@ -0,0 +1,52 @@
// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
#ifndef MAME_BUS_COCO_DRAGON_JCBSPCH_H
#define MAME_BUS_COCO_DRAGON_JCBSPCH_H
#pragma once
#include "cococart.h"
#include "machine/6821pia.h"
#include "sound/sp0256.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> dragon_jcbspch_device
class dragon_jcbspch_device :
public device_t,
public device_cococart_interface
{
public:
// construction/destruction
dragon_jcbspch_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
protected:
// device-level overrides
virtual void device_start() override;
virtual uint8_t* get_cart_base() override;
virtual memory_region* get_cart_memregion() override;
virtual DECLARE_READ8_MEMBER(cts_read) override;
virtual DECLARE_READ8_MEMBER(scs_read) override;
virtual DECLARE_WRITE8_MEMBER(scs_write) override;
private:
DECLARE_WRITE_LINE_MEMBER(pia_cb2_w);
DECLARE_WRITE_LINE_MEMBER(nmi_w);
required_memory_region m_eprom;
required_device<pia6821_device> m_pia;
required_device<sp0256_device> m_nsp;
};
// device type definition
DECLARE_DEVICE_TYPE(DRAGON_JCBSPCH, dragon_jcbspch_device)
#endif // MAME_BUS_COCO_DRAGON_JCBSPCH_H

1
src/emu/xtal.cpp
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@ -84,6 +84,7 @@ const double XTAL::known_xtals[] = {
3'000'000, /* 3_MHz_XTAL Probably only used to drive 68705 or similar MCUs on 80's Taito PCBs */
3'072'000, /* 3.072_MHz_XTAL INS 8520 input clock rate */
3'120'000, /* 3.12_MHz_XTAL SP0250 clock on Gottlieb games */
3'276'800, /* 3.2768_MHz_XTAL SP0256 clock in Speech Synthesis for Dragon 32 */
3'521'280, /* 3.52128_MHz_XTAL RCA COSMAC VIP */
3'570'000, /* 3.57_MHz_XTAL Telmac TMC-600 */
3'578'640, /* 3.57864_MHz_XTAL Atari Portfolio PCD3311T */

3
src/mame/drivers/dragon.cpp
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@ -23,6 +23,7 @@
#include "bus/coco/dragon_amtor.h"
#include "bus/coco/dragon_fdc.h"
#include "bus/coco/dragon_jcbsnd.h"
#include "bus/coco/dragon_jcbspch.h"
#include "bus/coco/dragon_sprites.h"
#include "bus/coco/coco_pak.h"
#include "bus/coco/coco_ssc.h"
@ -172,6 +173,7 @@ void dragon_cart(device_slot_interface &device)
device.option_add("premier_fdc", PREMIER_FDC);
device.option_add("sdtandy_fdc", SDTANDY_FDC);
device.option_add("jcbsnd", DRAGON_JCBSND);
device.option_add("jcbspch", DRAGON_JCBSPCH);
device.option_add("sprites", DRAGON_SPRITES);
device.option_add("ssc", COCO_SSC);
device.option_add("orch90", COCO_ORCH90);
@ -240,6 +242,7 @@ void dragon_state::dragon_base(machine_config &config)
SAM6883(config, m_sam, 14.218_MHz_XTAL, m_maincpu);
m_sam->res_rd_callback().set(FUNC(dragon_state::sam_read));
CASSETTE(config, m_cassette);
m_cassette->set_formats(coco_cassette_formats);
m_cassette->set_default_state(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED);