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(MESS) c64: Added CMD SwiftLink cartridge emulation. [Curt Coder]

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This commit is contained in:
Curt Coder 2013-02-06 18:57:58 +00:00
parent b9698df878
commit d9bcbe5a8c
8 changed files with 329 additions and 14 deletions
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2
.gitattributes vendored
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@ -6969,6 +6969,8 @@ src/mess/machine/c64_supercpu.c svneol=native#text/plain
src/mess/machine/c64_supercpu.h svneol=native#text/plain
src/mess/machine/c64_sw8k.c svneol=native#text/plain
src/mess/machine/c64_sw8k.h svneol=native#text/plain
src/mess/machine/c64_swiftlink.c svneol=native#text/plain
src/mess/machine/c64_swiftlink.h svneol=native#text/plain
src/mess/machine/c64_system3.c svneol=native#text/plain
src/mess/machine/c64_system3.h svneol=native#text/plain
src/mess/machine/c64_tdos.c svneol=native#text/plain

48
hash/c64_flop.xml
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@ -825,4 +825,52 @@
</part>
</software>
<software name="swiftlnk">
<description>CMD SwiftLink</description>
<year>1990</year>
<publisher>CMD</publisher>
<part name="flop1" interface="floppy_5_25">
<feature name="part_id" value="Disk 1 Side 1"/>
<dataarea name="flop" size="174848">
<rom name="cmd_swiftlink_utils_d1s1.d64" size="174848" crc="f70f4ff8" sha1="d70d6b0c8c2f408286ce0ea9edcfe6c5cf1af60a" offset="0" />
</dataarea>
</part>
<part name="flop2" interface="floppy_5_25">
<feature name="part_id" value="Disk 1 Side 2"/>
<dataarea name="flop" size="174848">
<rom name="cmd_swiftlink_utils_d1s2.d64" size="174848" crc="b9e18c85" sha1="b8b65c99ac1474b89729756adbdd969a3e9e9aa6" offset="0" />
</dataarea>
</part>
<part name="flop3" interface="floppy_5_25">
<feature name="part_id" value="Disk 2 Side 1"/>
<dataarea name="flop" size="174848">
<rom name="cmd_swiftlink_utils_d2s1.d64" size="174848" crc="de2828a1" sha1="6516d4674dddc58a9d7787bcb9ea55d4b4fc9898" offset="0" />
</dataarea>
</part>
<part name="flop4" interface="floppy_5_25">
<feature name="part_id" value="Disk 2 Side 2"/>
<dataarea name="flop" size="175531">
<rom name="cmd_swiftlink_utils_d2s2.d64" size="175531" crc="309d1b76" sha1="847b06a65238861c84dee715e48a635978647303" offset="0" />
</dataarea>
</part>
<part name="flop5" interface="floppy_5_25">
<feature name="part_id" value="Disk 3 Side 1"/>
<dataarea name="flop" size="174848">
<rom name="cmd_swiftlink_utils_d3s1.d64" size="174848" crc="180ff985" sha1="0b0f4c610cc5a062287ae20e41d9df78b9dc6007" offset="0" />
</dataarea>
</part>
<part name="flop6" interface="floppy_5_25">
<feature name="part_id" value="Disk 3 Side 2"/>
<dataarea name="flop" size="174848">
<rom name="cmd_swiftlink_utils_d3s2.d64" size="174848" crc="d2ec8d3c" sha1="02413c30f631986c17984f54dac48b9aec0904af" offset="0" />
</dataarea>
</part>
</software>
</softwarelist>

47
src/emu/machine/mos6551.c
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@ -7,6 +7,17 @@
**********************************************************************/
/*
TODO:
- receiver disable
- IRQ on DCD/DSR change
- parity
- framing error
*/
#include "mos6551.h"
@ -85,16 +96,16 @@ void mos6551_device::device_reset()
void mos6551_device::tra_complete()
{
if ((m_cmd & CMD_TC_MASK) == CMD_TC_TIE_RTS_LO)
{
m_st |= ST_IRQ;
m_irq_handler(ASSERT_LINE);
}
if (!(m_st & ST_TDRE))
{
transmit_register_setup(m_tdr);
m_st |= ST_TDRE;
if ((m_cmd & CMD_TC_MASK) == CMD_TC_TIE_RTS_LO)
{
m_st |= ST_IRQ;
m_irq_handler(ASSERT_LINE);
}
}
}
@ -109,15 +120,15 @@ void mos6551_device::rcv_complete()
{
m_st |= ST_OR;
}
else
{
m_st |= ST_RDRF;
m_st &= ~(ST_FE | ST_PE);
if (!(m_cmd & CMD_RIE))
{
m_st |= ST_IRQ;
m_irq_handler(ASSERT_LINE);
}
m_st |= ST_RDRF;
if (!(m_cmd & CMD_RIE))
{
m_st |= ST_IRQ;
m_irq_handler(ASSERT_LINE);
}
}
@ -244,6 +255,12 @@ WRITE8_MEMBER( mos6551_device::write )
{
transmit_register_setup(m_tdr);
m_st |= ST_TDRE;
if ((m_cmd & CMD_TC_MASK) == CMD_TC_TIE_RTS_LO)
{
m_st |= ST_IRQ;
m_irq_handler(ASSERT_LINE);
}
}
break;
@ -274,4 +291,6 @@ WRITE8_MEMBER( mos6551_device::write )
void mos6551_device::set_rxc(int clock)
{
m_ext_rxc = clock;
update_serial();
}

165
src/mess/machine/c64_swiftlink.c Normal file
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@ -0,0 +1,165 @@
/**********************************************************************
CMD SwiftLink RS-232 cartridge emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
/*
http://mclauchlan.site.net.au/scott/C=Hacking/C-Hacking10/C-Hacking10-swiftlink.html
*/
#include "c64_swiftlink.h"
//**************************************************************************
// MACROS/CONSTANTS
//**************************************************************************
#define MOS6551_TAG "mos6551"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type C64_SWIFTLINK = &device_creator<c64_swiftlink_cartridge_device>;
//-------------------------------------------------
// MACHINE_CONFIG_FRAGMENT( c64_swiftlink )
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT( c64_swiftlink )
MCFG_MOS6551_ADD(MOS6551_TAG, XTAL_3_6864MHz, DEVWRITELINE(DEVICE_SELF, c64_swiftlink_cartridge_device, acia_irq_w))
MACHINE_CONFIG_END
//-------------------------------------------------
// machine_config_additions - device-specific
// machine configurations
//-------------------------------------------------
machine_config_constructor c64_swiftlink_cartridge_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( c64_swiftlink );
}
//-------------------------------------------------
// INPUT_PORTS( c64_swiftlink )
//-------------------------------------------------
static INPUT_PORTS_START( c64_swiftlink )
PORT_START("CS")
PORT_DIPNAME( 0x03, 0x01, "Base Address" )
PORT_DIPSETTING( 0x00, "$D700 (C128)" )
PORT_DIPSETTING( 0x01, "$DE00" )
PORT_DIPSETTING( 0x02, "$DF00" )
PORT_START("IRQ")
PORT_DIPNAME( 0x01, 0x01, "Interrupt" )
PORT_DIPSETTING( 0x00, "IRQ (C128)" )
PORT_DIPSETTING( 0x01, "NMI" )
INPUT_PORTS_END
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
ioport_constructor c64_swiftlink_cartridge_device::device_input_ports() const
{
return INPUT_PORTS_NAME( c64_swiftlink );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// c64_swiftlink_cartridge_device - constructor
//-------------------------------------------------
c64_swiftlink_cartridge_device::c64_swiftlink_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
device_t(mconfig, C64_SWIFTLINK, "C64 SwiftLink cartridge", tag, owner, clock),
device_c64_expansion_card_interface(mconfig, *this),
m_acia(*this, MOS6551_TAG),
m_io_cs(*this, "CS"),
m_io_irq(*this, "IRQ")
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void c64_swiftlink_cartridge_device::device_start()
{
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void c64_swiftlink_cartridge_device::device_reset()
{
m_acia->reset();
m_cs = m_io_cs->read();
m_irq = m_io_irq->read();
}
//-------------------------------------------------
// c64_cd_r - cartridge data read
//-------------------------------------------------
UINT8 c64_swiftlink_cartridge_device::c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2)
{
if (((m_cs == DE00) && !io1) || ((m_cs == DF00) && !io2) ||
((m_cs == D700) && ((offset & 0xff00) == 0xd700)))
{
data = m_acia->read(space, offset & 0x03);
}
return data;
}
//-------------------------------------------------
// c64_cd_w - cartridge data write
//-------------------------------------------------
void c64_swiftlink_cartridge_device::c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2)
{
if (((m_cs == DE00) && !io1) || ((m_cs == DF00) && !io2) ||
((m_cs == D700) && ((offset & 0xff00) == 0xd700)))
{
m_acia->write(space, offset & 0x03, data);
}
}
//-------------------------------------------------
// acia_irq_w -
//-------------------------------------------------
WRITE_LINE_MEMBER( c64_swiftlink_cartridge_device::acia_irq_w )
{
switch (m_irq)
{
case IRQ: m_slot->irq_w(state); break;
case NMI: m_slot->nmi_w(state); break;
}
}

78
src/mess/machine/c64_swiftlink.h Normal file
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@ -0,0 +1,78 @@
/**********************************************************************
CMD SwiftLink RS-232 cartridge emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#pragma once
#ifndef __SWIFTLINK__
#define __SWIFTLINK__
#include "emu.h"
#include "machine/c64exp.h"
#include "machine/mos6551.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> c64_swiftlink_cartridge_device
class c64_swiftlink_cartridge_device : public device_t,
public device_c64_expansion_card_interface
{
public:
// construction/destruction
c64_swiftlink_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual machine_config_constructor device_mconfig_additions() const;
virtual ioport_constructor device_input_ports() const;
DECLARE_WRITE_LINE_MEMBER( acia_irq_w );
protected:
// device-level overrides
virtual void device_config_complete() { m_shortname = "c64_swiftlink"; }
virtual void device_start();
virtual void device_reset();
// device_c64_expansion_card_interface overrides
virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
private:
required_device<mos6551_device> m_acia;
required_ioport m_io_cs;
required_ioport m_io_irq;
enum
{
D700 = 0,
DE00,
DF00
};
enum
{
IRQ = 0,
NMI
};
int m_cs;
int m_irq;
};
// device type definition
extern const device_type C64_SWIFTLINK;
#endif

1
src/mess/machine/cbmipt.c
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@ -1128,6 +1128,7 @@ SLOT_INTERFACE_START( c64_expansion_cards )
SLOT_INTERFACE("reu1764", C64_REU1764)
SLOT_INTERFACE("sfxse", C64_SFX_SOUND_EXPANDER)
SLOT_INTERFACE("supercpu", C64_SUPERCPU)
SLOT_INTERFACE("swiftlink", C64_SWIFTLINK)
// the following need ROMs from the software list
SLOT_INTERFACE_INTERNAL("standard", C64_STD)

1
src/mess/machine/cbmipt.h
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@ -55,6 +55,7 @@
#include "machine/c64_super_games.h"
#include "machine/c64_supercpu.h"
#include "machine/c64_sw8k.h"
#include "machine/c64_swiftlink.h"
#include "machine/c64_system3.h"
#include "machine/c64_tdos.h"
#include "machine/c64_vw64.h"

1
src/mess/mess.mak
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@ -886,6 +886,7 @@ $(MESSOBJ)/cbm.a: \
$(MESS_MACHINE)/c64_super_games.o \
$(MESS_MACHINE)/c64_supercpu.o \
$(MESS_MACHINE)/c64_sw8k.o \
$(MESS_MACHINE)/c64_swiftlink.o \
$(MESS_MACHINE)/c64_system3.o \
$(MESS_MACHINE)/c64_tdos.o \
$(MESS_MACHINE)/c64_vw64.o \