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author Nigel Barnes <Pernod70@users.noreply.github.com>2019-09-07 17:38:58 +0100
committer Nigel Barnes <Pernod70@users.noreply.github.com>2019-09-07 17:39:53 +0100
commit035380ca97d175450f6e32f3d6549912ed691993 (patch)
tree0c347c329b6f28484e8254c1e4bd582ef23803f3
parente26914f3a3e114bca64105bc7f67003b457f202d (diff)
dragon32: Added JCB Speech Synthesis cartridge.
-rw-r--r--hash/dragon_cart.xml6
-rw-r--r--scripts/src/bus.lua2
-rw-r--r--src/devices/bus/coco/dragon_jcbspch.cpp155
-rw-r--r--src/devices/bus/coco/dragon_jcbspch.h52
-rw-r--r--src/emu/xtal.cpp1
-rw-r--r--src/mame/drivers/dragon.cpp3
6 files changed, 216 insertions, 3 deletions
diff --git a/hash/dragon_cart.xml b/hash/dragon_cart.xml
index 900b6298ac5..c01f395e09a 100644
--- a/hash/dragon_cart.xml
+++ b/hash/dragon_cart.xml
@@ -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>
diff --git a/scripts/src/bus.lua b/scripts/src/bus.lua
index 853b52dcf9d..60a2223cbf8 100644
--- a/scripts/src/bus.lua
+++ b/scripts/src/bus.lua
@@ -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",
}
diff --git a/src/devices/bus/coco/dragon_jcbspch.cpp b/src/devices/bus/coco/dragon_jcbspch.cpp
new file mode 100644
index 00000000000..9d774934066
--- /dev/null
+++ b/src/devices/bus/coco/dragon_jcbspch.cpp
@@ -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);
+}
diff --git a/src/devices/bus/coco/dragon_jcbspch.h b/src/devices/bus/coco/dragon_jcbspch.h
new file mode 100644
index 00000000000..af11762c04a
--- /dev/null
+++ b/src/devices/bus/coco/dragon_jcbspch.h
@@ -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
diff --git a/src/emu/xtal.cpp b/src/emu/xtal.cpp
index f86ab3be4cd..5a0f52b0819 100644
--- a/src/emu/xtal.cpp
+++ b/src/emu/xtal.cpp
@@ -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 */
diff --git a/src/mame/drivers/dragon.cpp b/src/mame/drivers/dragon.cpp
index 97bccd7bc45..abb3c86e18f 100644
--- a/src/mame/drivers/dragon.cpp
+++ b/src/mame/drivers/dragon.cpp
@@ -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);