diff options
Diffstat (limited to 'src/mame/machine/acs8600_ics.cpp')
-rw-r--r-- | src/mame/machine/acs8600_ics.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/mame/machine/acs8600_ics.cpp b/src/mame/machine/acs8600_ics.cpp new file mode 100644 index 00000000000..10df5e35d3f --- /dev/null +++ b/src/mame/machine/acs8600_ics.cpp @@ -0,0 +1,181 @@ +// license:BSD-3-Clause +// copyright-holders:Carl + +// TODO: multibus + +#include "emu.h" +#include "machine/acs8600_ics.h" +#include "cpu/z80/z80.h" +#include "machine/z80sio.h" +#include "machine/am9513.h" +#include "bus/rs232/rs232.h" + +DEFINE_DEVICE_TYPE(ACS8600_ICS, acs8600_ics_device, "acs8600_ics", "Altos ACS8600 Intelligent Serial Concentrator") + +acs8600_ics_device::acs8600_ics_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, ACS8600_ICS, tag, owner, clock), + m_icscpu(*this, "icscpu"), + m_out_irq1_func(*this), + m_out_irq2_func(*this) +{ +} + +ROM_START(acs8600_ics) + ROM_REGION(0x1000, "icscpu", 0) + ROM_LOAD("162-13914-001.bin", 0x0000, 0x1000, CRC(ab41768a) SHA1(aee04574dea4c17112431536d3b7e3984b8afdc2)) +ROM_END + +const tiny_rom_entry *acs8600_ics_device::device_rom_region() const +{ + return ROM_NAME(acs8600_ics); +} + +WRITE8_MEMBER(acs8600_ics_device::hiaddr_w) +{ + m_hiaddr = data; +} + +WRITE8_MEMBER(acs8600_ics_device::ctrl_w) +{ + m_ctrl = data; + m_out_irq1_func(BIT(data, 1) ? ASSERT_LINE : CLEAR_LINE); +} + +READ8_MEMBER(acs8600_ics_device::hostram_r) +{ + return m_maincpu_mem->read_byte((m_hiaddr << 16) | (BIT(m_ctrl, 0) << 15) | (offset & 0x7fff)); +} + +WRITE8_MEMBER(acs8600_ics_device::hostram_w) +{ + m_maincpu_mem->write_byte((m_hiaddr << 16) | (BIT(m_ctrl, 0) << 15) | (offset & 0x7fff), data); +} + +WRITE_LINE_MEMBER(acs8600_ics_device::attn_w) +{ + m_icscpu->set_input_line(INPUT_LINE_NMI, state); +} + +static ADDRESS_MAP_START(ics_mem, AS_PROGRAM, 8, acs8600_ics_device) + AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION("icscpu", 0) + AM_RANGE(0x1000, 0x17ff) AM_RAM + AM_RANGE(0x8000, 0xffff) AM_READWRITE(hostram_r, hostram_w) +ADDRESS_MAP_END + +static ADDRESS_MAP_START(ics_io, AS_PROGRAM, 8, acs8600_ics_device) + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("sio1", z80sio_device, ba_cd_r, ba_cd_w) + AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("sio2", z80sio_device, ba_cd_r, ba_cd_w) + AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("sio3", z80sio_device, ba_cd_r, ba_cd_w) + AM_RANGE(0x0c, 0x0f) AM_DEVREADWRITE("sio4", z80sio_device, ba_cd_r, ba_cd_w) + AM_RANGE(0x10, 0x11) AM_DEVREADWRITE("stc1", am9513_device, read8, write8) + AM_RANGE(0x14, 0x15) AM_DEVREADWRITE("stc2", am9513_device, read8, write8) + AM_RANGE(0x18, 0x18) AM_WRITE(ctrl_w) + AM_RANGE(0x1c, 0x1c) AM_WRITE(hiaddr_w) +ADDRESS_MAP_END + +static const z80_daisy_config ics_daisy_chain[] = +{ + "sio1", + "sio2", + "sio3", + "sio4", + nullptr +}; + +MACHINE_CONFIG_MEMBER( acs8600_ics_device::device_add_mconfig ) + MCFG_CPU_ADD("icscpu", Z80, 4000000) + MCFG_CPU_PROGRAM_MAP(ics_mem) + MCFG_CPU_IO_MAP(ics_io) + MCFG_Z80_DAISY_CHAIN(ics_daisy_chain) + + MCFG_DEVICE_ADD("stc1", AM9513, XTAL_18_432MHz) + MCFG_AM9513_OUT1_CALLBACK(DEVWRITELINE("sio1", z80sio_device, rxca_w)) + MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("sio1", z80sio_device, txca_w)) + MCFG_AM9513_OUT2_CALLBACK(DEVWRITELINE("sio1", z80sio_device, rxtxcb_w)) + MCFG_AM9513_OUT3_CALLBACK(DEVWRITELINE("sio2", z80sio_device, rxca_w)) + MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("sio2", z80sio_device, txca_w)) + MCFG_AM9513_OUT4_CALLBACK(DEVWRITELINE("sio2", z80sio_device, rxtxcb_w)) + MCFG_AM9513_OUT5_CALLBACK(DEVWRITELINE("sio3", z80sio_device, rxca_w)) + MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("sio3", z80sio_device, txca_w)) + MCFG_DEVICE_ADD("stc2", AM9513, XTAL_18_432MHz) + MCFG_AM9513_OUT2_CALLBACK(DEVWRITELINE("sio3", z80sio_device, rxtxcb_w)) + MCFG_AM9513_OUT3_CALLBACK(DEVWRITELINE("sio4", z80sio_device, rxca_w)) + MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("sio4", z80sio_device, txca_w)) + + MCFG_Z80SIO_ADD("sio1", XTAL_16MHz/4, 0, 0, 0, 0) + MCFG_Z80SIO_OUT_TXDA_CB(DEVWRITELINE("rs2321a", rs232_port_device, write_txd)) + MCFG_Z80SIO_OUT_DTRA_CB(DEVWRITELINE("rs2321a", rs232_port_device, write_dtr)) + MCFG_Z80SIO_OUT_RTSA_CB(DEVWRITELINE("rs2321a", rs232_port_device, write_rts)) + MCFG_Z80SIO_OUT_TXDB_CB(DEVWRITELINE("rs2321b", rs232_port_device, write_txd)) + MCFG_Z80SIO_OUT_DTRB_CB(DEVWRITELINE("rs2321b", rs232_port_device, write_dtr)) + MCFG_Z80SIO_OUT_RTSB_CB(DEVWRITELINE("rs2321b", rs232_port_device, write_rts)) + MCFG_RS232_PORT_ADD("rs2321a", default_rs232_devices, nullptr) + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("sio1", z80sio_device, rxa_w)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE("sio1", z80sio_device, dcda_w)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("sio1", z80sio_device, ctsa_w)) + + MCFG_RS232_PORT_ADD("rs2321b", default_rs232_devices, nullptr) + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("sio1", z80sio_device, rxb_w)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE("sio1", z80sio_device, dcdb_w)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("sio1", z80sio_device, ctsb_w)) + + MCFG_Z80SIO_ADD("sio2", XTAL_16MHz/4, 0, 0, 0, 0) + MCFG_Z80SIO_OUT_TXDA_CB(DEVWRITELINE("rs2322a", rs232_port_device, write_txd)) + MCFG_Z80SIO_OUT_DTRA_CB(DEVWRITELINE("rs2322a", rs232_port_device, write_dtr)) + MCFG_Z80SIO_OUT_RTSA_CB(DEVWRITELINE("rs2322a", rs232_port_device, write_rts)) + MCFG_Z80SIO_OUT_TXDB_CB(DEVWRITELINE("rs2322b", rs232_port_device, write_txd)) + MCFG_Z80SIO_OUT_DTRB_CB(DEVWRITELINE("rs2322b", rs232_port_device, write_dtr)) + MCFG_Z80SIO_OUT_RTSB_CB(DEVWRITELINE("rs2322b", rs232_port_device, write_rts)) + MCFG_RS232_PORT_ADD("rs2322a", default_rs232_devices, nullptr) + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("sio2", z80sio_device, rxa_w)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE("sio2", z80sio_device, dcda_w)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("sio2", z80sio_device, ctsa_w)) + + MCFG_RS232_PORT_ADD("rs2322b", default_rs232_devices, nullptr) + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("sio2", z80sio_device, rxb_w)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE("sio2", z80sio_device, dcdb_w)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("sio2", z80sio_device, ctsb_w)) + + MCFG_Z80SIO_ADD("sio3", XTAL_16MHz/4, 0, 0, 0, 0) + MCFG_Z80SIO_OUT_TXDA_CB(DEVWRITELINE("rs2323a", rs232_port_device, write_txd)) + MCFG_Z80SIO_OUT_DTRA_CB(DEVWRITELINE("rs2323a", rs232_port_device, write_dtr)) + MCFG_Z80SIO_OUT_RTSA_CB(DEVWRITELINE("rs2323a", rs232_port_device, write_rts)) + MCFG_Z80SIO_OUT_TXDB_CB(DEVWRITELINE("rs2323b", rs232_port_device, write_txd)) + MCFG_Z80SIO_OUT_DTRB_CB(DEVWRITELINE("rs2323b", rs232_port_device, write_dtr)) + MCFG_Z80SIO_OUT_RTSB_CB(DEVWRITELINE("rs2323b", rs232_port_device, write_rts)) + MCFG_RS232_PORT_ADD("rs2323a", default_rs232_devices, nullptr) + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("sio3", z80sio_device, rxa_w)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE("sio3", z80sio_device, dcda_w)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("sio3", z80sio_device, ctsa_w)) + + MCFG_RS232_PORT_ADD("rs2323b", default_rs232_devices, nullptr) + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("sio3", z80sio_device, rxb_w)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE("sio3", z80sio_device, dcdb_w)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("sio3", z80sio_device, ctsb_w)) + + MCFG_Z80SIO_ADD("sio4", XTAL_16MHz/4, 0, 0, 0, 0) + MCFG_Z80SIO_OUT_TXDA_CB(DEVWRITELINE("rs2324a", rs232_port_device, write_txd)) + MCFG_Z80SIO_OUT_DTRA_CB(DEVWRITELINE("rs2324a", rs232_port_device, write_dtr)) + MCFG_Z80SIO_OUT_RTSA_CB(DEVWRITELINE("rs2324a", rs232_port_device, write_rts)) + MCFG_Z80SIO_OUT_TXDB_CB(DEVWRITELINE("rs2324b", rs232_port_device, write_txd)) + MCFG_Z80SIO_OUT_DTRB_CB(DEVWRITELINE("rs2324b", rs232_port_device, write_dtr)) + MCFG_Z80SIO_OUT_RTSB_CB(DEVWRITELINE("rs2324b", rs232_port_device, write_rts)) + MCFG_RS232_PORT_ADD("rs2324a", default_rs232_devices, nullptr) + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("sio4", z80sio_device, rxa_w)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE("sio4", z80sio_device, dcda_w)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("sio4", z80sio_device, ctsa_w)) + + MCFG_RS232_PORT_ADD("rs2324b", default_rs232_devices, nullptr) + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("sio4", z80sio_device, rxb_w)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE("sio4", z80sio_device, dcdb_w)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("sio4", z80sio_device, ctsb_w)) +MACHINE_CONFIG_END + +void acs8600_ics_device::device_start() +{ + m_maincpu_mem = &machine().device<cpu_device>(m_maincpu_tag)->space(AS_PROGRAM); + m_out_irq1_func.resolve_safe(); + m_out_irq2_func.resolve_safe(); +} + |