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https://github.com/holub/mame
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(MESS) pet: Implemented SoftBox IEEE-488 peripheral mode, where a PET computer is used as terminal. [Curt Coder, Mike Naberezny]
This commit is contained in:
Curt Coder
parent
4aa3c44fe2
commit
a93fdfab23
2
.gitattributes
vendored
2
.gitattributes
vendored
@ -7736,6 +7736,8 @@ src/mess/machine/sns_sufami.c svneol=native#text/plain
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src/mess/machine/sns_sufami.h svneol=native#text/plain
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src/mess/machine/sns_upd.c svneol=native#text/plain
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src/mess/machine/sns_upd.h svneol=native#text/plain
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src/mess/machine/softbox.c svneol=native#text/plain
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src/mess/machine/softbox.h svneol=native#text/plain
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src/mess/machine/sonydriv.c svneol=native#text/plain
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src/mess/machine/sonydriv.h svneol=native#text/plain
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src/mess/machine/sorcerer.c svneol=native#text/plain
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@ -238,4 +238,16 @@
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</part>
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</software>
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<software name="softbox">
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<description>SoftBox CP/M 2.2 Distribution Disk</description>
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<year>1981</year>
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<publisher>Small Systems Engineering</publisher>
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<part name="flop1" interface="floppy_5_25">
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<dataarea name="flop" size="533248">
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<rom name="softbox-distrib.d80" size="533248" crc="48b070d5" sha1="acab30ea2859433bb75312936d6380dad3c61a00" offset="0" />
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</dataarea>
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</part>
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</software>
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</softwarelist>
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@ -1340,6 +1340,8 @@ MACHINE_RESET_MEMBER( pet_state, pet )
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m_pia2->reset();
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m_exp->reset();
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m_ieee->ren_w(0);
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}
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@ -1091,6 +1091,7 @@ SLOT_INTERFACE_START( cbm_ieee488_devices )
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SLOT_INTERFACE("c8280", C8280)
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SLOT_INTERFACE("d9060", D9060)
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SLOT_INTERFACE("d9090", D9090)
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SLOT_INTERFACE("softbox", SOFTBOX)
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SLOT_INTERFACE_END
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SLOT_INTERFACE_START( cbm8296d_ieee488_devices )
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@ -94,6 +94,7 @@
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#include "machine/plus4_sid.h"
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#include "machine/plus4_std.h"
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#include "machine/serialbox.h"
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#include "machine/softbox.h"
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#include "machine/superpet.h"
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#include "machine/vic1010.h"
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#include "machine/vic1011.h"
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395
src/mess/machine/softbox.c
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395
src/mess/machine/softbox.c
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@ -0,0 +1,395 @@
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/**********************************************************************
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SSE SoftBox emulation
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Copyright MESS Team.
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Visit http://mamedev.org for licensing and usage restrictions.
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**********************************************************************/
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#include "softbox.h"
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//**************************************************************************
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// MACROS / CONSTANTS
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//**************************************************************************
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#define Z80_TAG "z80"
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#define I8251_TAG "i8251"
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#define I8255_0_TAG "ic17"
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#define I8255_1_TAG "ic16"
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#define COM8116_TAG "ic14"
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#define RS232_TAG "rs232"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type SOFTBOX = &device_creator<softbox_device>;
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//-------------------------------------------------
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// ROM( softbox )
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//-------------------------------------------------
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ROM_START( softbox )
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ROM_REGION( 0x1000, Z80_TAG, 0 )
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ROM_DEFAULT_BIOS("830609")
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ROM_SYSTEM_BIOS( 0, "811027", "27-Oct-81" )
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ROMX_LOAD( "379.ic3", 0x000, 0x800, CRC(7b5a737c) SHA1(2348590884b026b7647f6864af8c9ba1c6f8746b), ROM_BIOS(1) )
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ROMX_LOAD( "380.ic4", 0x800, 0x800, CRC(65a13029) SHA1(46de02e6f04be298047efeb412e00a5714dc21b3), ROM_BIOS(1) )
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ROM_SYSTEM_BIOS( 1, "830609", "09-June-1983" )
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ROMX_LOAD( "389.ic3", 0x000, 0x800, CRC(d66e581a) SHA1(2403e25c140c41b0e6d6975d39c9cd9d6f335048), ROM_BIOS(2) )
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ROMX_LOAD( "390.ic4", 0x800, 0x800, CRC(abe6cb30) SHA1(4b26d5db36f828e01268f718799f145d09b449ad), ROM_BIOS(2) )
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ROM_END
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//-------------------------------------------------
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// rom_region - device-specific ROM region
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//-------------------------------------------------
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const rom_entry *softbox_device::device_rom_region() const
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{
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return ROM_NAME( softbox );
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}
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//-------------------------------------------------
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// ADDRESS_MAP( softbox_mem )
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//-------------------------------------------------
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static ADDRESS_MAP_START( softbox_mem, AS_PROGRAM, 8, softbox_device )
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AM_RANGE(0x0000, 0xefff) AM_RAM
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AM_RANGE(0xf000, 0xffff) AM_ROM AM_REGION(Z80_TAG, 0)
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ADDRESS_MAP_END
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//-------------------------------------------------
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// ADDRESS_MAP( softbox_io )
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//-------------------------------------------------
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static ADDRESS_MAP_START( softbox_io, AS_IO, 8, softbox_device )
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE(0x08, 0x08) AM_DEVREADWRITE(I8251_TAG, i8251_device, data_r, data_w)
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AM_RANGE(0x09, 0x09) AM_DEVREADWRITE(I8251_TAG, i8251_device, status_r, control_w)
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AM_RANGE(0x0c, 0x0c) AM_WRITE(dbrg_w)
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AM_RANGE(0x10, 0x13) AM_DEVREADWRITE(I8255_0_TAG, i8255_device, read, write)
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AM_RANGE(0x14, 0x17) AM_DEVREADWRITE(I8255_1_TAG, i8255_device, read, write)
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AM_RANGE(0x18, 0x18) AM_READWRITE_LEGACY(corvus_hdc_data_r, corvus_hdc_data_w)
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ADDRESS_MAP_END
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//-------------------------------------------------
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// i8251_interface usart_intf
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//-------------------------------------------------
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static const i8251_interface usart_intf =
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{
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, rx),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, tx),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, dsr_r),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, dtr_w),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, rts_w),
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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};
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//-------------------------------------------------
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// I8255A_INTERFACE( ppi0_intf )
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//-------------------------------------------------
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READ8_MEMBER( softbox_device::ppi0_pa_r )
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{
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return m_bus->dio_r() ^ 0xff;
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}
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WRITE8_MEMBER( softbox_device::ppi0_pb_w )
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{
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m_bus->dio_w(this, data ^ 0xff);
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}
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static I8255A_INTERFACE( ppi0_intf )
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{
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DEVCB_DEVICE_MEMBER(DEVICE_SELF_OWNER, softbox_device, ppi0_pa_r),
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DEVCB_NULL, // Port A write
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DEVCB_NULL, // Port B read
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DEVCB_DEVICE_MEMBER(DEVICE_SELF_OWNER, softbox_device, ppi0_pb_w),
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DEVCB_INPUT_PORT("SW1"), // Port C read
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DEVCB_NULL // Port C write
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};
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//-------------------------------------------------
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// I8255A_INTERFACE( ppi1_intf )
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//-------------------------------------------------
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READ8_MEMBER( softbox_device::ppi1_pa_r )
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{
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/*
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bit description
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PA0 ATN
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PA1 DAV
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PA2 NDAC
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PA3 NRFD
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PA4 EOI
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PA5 SRQ
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PA6 REN
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PA7 IFC
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*/
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UINT8 data = 0;
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data |= !m_bus->atn_r();
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data |= !m_bus->dav_r() << 1;
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data |= !m_bus->ndac_r() << 2;
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data |= !m_bus->nrfd_r() << 3;
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data |= !m_bus->eoi_r() << 4;
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data |= !m_bus->srq_r() << 5;
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data |= !m_bus->ren_r() << 6;
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data |= !m_bus->ifc_r() << 7;
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return data;
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}
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WRITE8_MEMBER( softbox_device::ppi1_pb_w )
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{
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/*
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bit description
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PB0 ATN
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PB1 DAV
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PB2 NDAC
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PB3 NRFD
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PB4 EOI
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PB5 SRQ
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PB6 REN
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PB7 IFC
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*/
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m_bus->atn_w(this, !BIT(data, 0));
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m_bus->dav_w(this, !BIT(data, 1));
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m_bus->ndac_w(this, !BIT(data, 2));
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m_bus->nrfd_w(this, !BIT(data, 3));
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m_bus->eoi_w(this, !BIT(data, 4));
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m_bus->srq_w(this, !BIT(data, 5));
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m_bus->ren_w(this, !BIT(data, 6));
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m_bus->ifc_w(this, !BIT(data, 7));
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}
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READ8_MEMBER( softbox_device::ppi1_pc_r )
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{
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/*
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bit description
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PC0
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PC1
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PC2
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PC3
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PC4 Corvus READY
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PC5 Corvus ACTIVE
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PC6
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PC7
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*/
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UINT8 data = 0;
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data |= (corvus_hdc_status_r(space, 0) & CONTROLLER_BUSY) ? 0x10 : 0;
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data |= m_corvus_active ? 0x20 : 0;
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return data;
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}
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WRITE8_MEMBER( softbox_device::ppi1_pc_w )
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{
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/*
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bit description
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PC0 LED "A"
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PC1 LED "B"
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PC2 LED "READY"
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PC3
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PC4
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PC5
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PC6
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PC7
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*/
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output_set_led_value(LED_A, BIT(data, 0));
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output_set_led_value(LED_B, BIT(data, 1));
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output_set_led_value(LED_READY, BIT(data, 2));
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}
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static I8255A_INTERFACE( ppi1_intf )
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{
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DEVCB_DEVICE_MEMBER(DEVICE_SELF_OWNER, softbox_device, ppi1_pa_r),
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DEVCB_NULL, // Port A write
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DEVCB_NULL, // Port B read
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DEVCB_DEVICE_MEMBER(DEVICE_SELF_OWNER, softbox_device, ppi1_pb_w),
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DEVCB_DEVICE_MEMBER(DEVICE_SELF_OWNER, softbox_device, ppi1_pc_r),
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DEVCB_DEVICE_MEMBER(DEVICE_SELF_OWNER, softbox_device, ppi1_pc_w)
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};
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//-------------------------------------------------
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// COM8116_INTERFACE( dbrg_intf )
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//-------------------------------------------------
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WRITE_LINE_MEMBER( softbox_device::fr_w )
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{
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m_usart->receive_clock();
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}
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WRITE_LINE_MEMBER( softbox_device::ft_w )
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{
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m_usart->transmit_clock();
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}
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static COM8116_INTERFACE( dbrg_intf )
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{
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DEVCB_NULL, // fX/4
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DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF_OWNER, softbox_device, fr_w),
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DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF_OWNER, softbox_device, ft_w),
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COM8116_DIVISORS_16X_5_0688MHz, // receiver
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COM8116_DIVISORS_16X_5_0688MHz // transmitter
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};
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//-------------------------------------------------
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// rs232_port_interface rs232_intf
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//-------------------------------------------------
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static const rs232_port_interface rs232_intf =
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{
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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};
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//-------------------------------------------------
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// MACHINE_CONFIG_FRAGMENT( softbox )
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//-------------------------------------------------
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static MACHINE_CONFIG_FRAGMENT( softbox )
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// basic machine hardware
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MCFG_CPU_ADD(Z80_TAG, Z80, 4000000) // ???
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MCFG_CPU_PROGRAM_MAP(softbox_mem)
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MCFG_CPU_IO_MAP(softbox_io)
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// devices
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MCFG_I8251_ADD(I8251_TAG, usart_intf)
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MCFG_I8255A_ADD(I8255_0_TAG, ppi0_intf)
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MCFG_I8255A_ADD(I8255_1_TAG, ppi1_intf)
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MCFG_COM8116_ADD(COM8116_TAG, XTAL_5_0688MHz, dbrg_intf)
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MCFG_HARDDISK_ADD("harddisk1")
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MCFG_RS232_PORT_ADD(RS232_TAG, rs232_intf, default_rs232_devices, NULL)
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MACHINE_CONFIG_END
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//-------------------------------------------------
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// machine_config_additions - device-specific
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// machine configurations
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//-------------------------------------------------
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machine_config_constructor softbox_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( softbox );
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}
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//-------------------------------------------------
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// INPUT_PORTS( softbox )
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//-------------------------------------------------
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INPUT_PORTS_START( softbox )
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PORT_START("SW1")
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PORT_DIPUNKNOWN_DIPLOC( 0x01, IP_ACTIVE_LOW, "SW1:1" )
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PORT_DIPUNKNOWN_DIPLOC( 0x02, IP_ACTIVE_LOW, "SW1:2" )
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PORT_DIPUNKNOWN_DIPLOC( 0x04, IP_ACTIVE_LOW, "SW1:3" )
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PORT_DIPUNKNOWN_DIPLOC( 0x08, IP_ACTIVE_LOW, "SW1:4" )
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PORT_DIPUNKNOWN_DIPLOC( 0x10, IP_ACTIVE_LOW, "SW1:5" )
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PORT_DIPUNKNOWN_DIPLOC( 0x20, IP_ACTIVE_LOW, "SW1:6" )
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PORT_DIPUNKNOWN_DIPLOC( 0x40, IP_ACTIVE_LOW, "SW1:7" )
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PORT_DIPUNKNOWN_DIPLOC( 0x80, IP_ACTIVE_LOW, "SW1:8" )
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INPUT_PORTS_END
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//-------------------------------------------------
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// input_ports - device-specific input ports
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//-------------------------------------------------
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ioport_constructor softbox_device::device_input_ports() const
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{
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return INPUT_PORTS_NAME( softbox );
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// softbox_device - constructor
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//-------------------------------------------------
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softbox_device::softbox_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: device_t(mconfig, SOFTBOX, "SoftBox", tag, owner, clock, "softbox", __FILE__),
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device_ieee488_interface(mconfig, *this),
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m_maincpu(*this, Z80_TAG),
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m_usart(*this, I8251_TAG),
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m_dbrg(*this, COM8116_TAG),
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m_corvus_active(false)
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void softbox_device::device_start()
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{
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if (corvus_hdc_init(machine()) == TRUE)
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{
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m_corvus_active = true;
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}
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}
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//-------------------------------------------------
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// device_reset - device-specific reset
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//-------------------------------------------------
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void softbox_device::device_reset()
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{
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}
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//-------------------------------------------------
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// dbrg_w - baud rate selection
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//-------------------------------------------------
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WRITE8_MEMBER( softbox_device::dbrg_w )
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{
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m_dbrg->str_w(data & 0x0f);
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m_dbrg->stt_w(data >> 4);
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}
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86
src/mess/machine/softbox.h
Normal file
86
src/mess/machine/softbox.h
Normal file
@ -0,0 +1,86 @@
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/**********************************************************************
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SSE SoftBox emulation
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|
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Copyright MESS Team.
|
||||
Visit http://mamedev.org for licensing and usage restrictions.
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||||
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**********************************************************************/
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#pragma once
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#ifndef __PET_SOFTBOX__
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#define __PET_SOFTBOX__
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#include "emu.h"
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#include "cpu/z80/z80.h"
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#include "imagedev/harddriv.h"
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#include "includes/corvushd.h"
|
||||
#include "machine/cbmipt.h"
|
||||
#include "machine/com8116.h"
|
||||
#include "machine/i8251.h"
|
||||
#include "machine/i8255.h"
|
||||
#include "machine/ieee488.h"
|
||||
#include "machine/serial.h"
|
||||
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
// ======================> softbox_device
|
||||
|
||||
class softbox_device : public device_t,
|
||||
public device_ieee488_interface
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
softbox_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
|
||||
// optional information overrides
|
||||
virtual const rom_entry *device_rom_region() const;
|
||||
virtual machine_config_constructor device_mconfig_additions() const;
|
||||
virtual ioport_constructor device_input_ports() const;
|
||||
|
||||
DECLARE_WRITE8_MEMBER( dbrg_w );
|
||||
|
||||
DECLARE_READ8_MEMBER( ppi0_pa_r );
|
||||
DECLARE_WRITE8_MEMBER( ppi0_pb_w );
|
||||
|
||||
DECLARE_READ8_MEMBER( ppi1_pa_r );
|
||||
DECLARE_WRITE8_MEMBER( ppi1_pb_w );
|
||||
DECLARE_READ8_MEMBER( ppi1_pc_r );
|
||||
DECLARE_WRITE8_MEMBER( ppi1_pc_w );
|
||||
|
||||
DECLARE_WRITE_LINE_MEMBER( fr_w );
|
||||
DECLARE_WRITE_LINE_MEMBER( ft_w );
|
||||
|
||||
protected:
|
||||
// device-level overrides
|
||||
virtual void device_start();
|
||||
virtual void device_reset();
|
||||
|
||||
private:
|
||||
enum
|
||||
{
|
||||
LED_A,
|
||||
LED_B,
|
||||
LED_READY
|
||||
};
|
||||
|
||||
required_device<cpu_device> m_maincpu;
|
||||
required_device<i8251_device> m_usart;
|
||||
required_device<com8116_device> m_dbrg;
|
||||
|
||||
bool m_corvus_active;
|
||||
};
|
||||
|
||||
|
||||
// device type definition
|
||||
extern const device_type SOFTBOX;
|
||||
|
||||
|
||||
|
||||
#endif
|
||||
@ -933,6 +933,7 @@ $(MESSOBJ)/cbm.a: \
|
||||
$(MESS_MACHINE)/d9060.o \
|
||||
$(MESS_MACHINE)/d9060hd.o \
|
||||
$(MESS_MACHINE)/serialbox.o \
|
||||
$(MESS_MACHINE)/softbox.o \
|
||||
$(MESS_MACHINE)/cmdhd.o \
|
||||
$(MESS_MACHINE)/fd2000.o \
|
||||
$(MESS_DRIVERS)/clcd.o \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user