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altos8600: add more hw (nw)

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This commit is contained in:
cracyc 2017-08-08 22:10:20 -05:00
parent 817d7bd26f
commit be50da49a6
1 changed files with 73 additions and 3 deletions
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76
src/mame/drivers/altos8600.cpp
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@ -6,6 +6,11 @@
#include "cpu/i8089/i8089.h"
#include "machine/ram.h"
#include "machine/pic8259.h"
#include "machine/pit8253.h"
#include "machine/i8255.h"
#include "machine/z80sio.h"
#include "machine/wd_fdc.h"
#include "bus/rs232/rs232.h"
class altos8600_state : public driver_device
{
@ -17,6 +22,7 @@ public:
m_pic1(*this, "pic8259_1"),
m_pic2(*this, "pic8259_2"),
m_pic3(*this, "pic8259_3"),
m_uart8274(*this, "uart8274"),
m_ram(*this, RAM_TAG),
m_bios(*this, "bios")
{}
@ -46,7 +52,7 @@ public:
DECLARE_WRITE8_MEMBER(cattn_w);
DECLARE_WRITE16_MEMBER(mode_w);
DECLARE_WRITE_LINE_MEMBER(cpuif_w);
DECLARE_WRITE_LINE_MEMBER(tmr0_w);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
@ -60,6 +66,7 @@ private:
required_device<pic8259_device> m_pic1;
required_device<pic8259_device> m_pic2;
required_device<pic8259_device> m_pic3;
required_device<i8274_new_device> m_uart8274;
required_device<ram_device> m_ram;
required_memory_region m_bios;
u8 m_mmuaddr[256];
@ -79,6 +86,13 @@ void altos8600_state::machine_reset()
m_user = false;
}
WRITE_LINE_MEMBER(altos8600_state::tmr0_w)
{
m_uart8274->rxca_w(state);
m_uart8274->txca_w(state);
}
WRITE_LINE_MEMBER(altos8600_state::cpuif_w)
{
if(m_user)
@ -199,6 +213,8 @@ void altos8600_state::xlate_w(address_space &space, offs_t offset, u16 data, u16
}
else if(m_user && !BIT(flags, permbit))
seterr(offset, mem_mask, 1 << permbit);
else if(m_user && BIT(flags, 3) && ((offset & 0x7ff) < 64))
seterr(offset, mem_mask, 8);
COMBINE_DATA(&((u16 *)(m_ram->pointer()))[(page << 11) | (offset & 0x7ff)]);
}
@ -259,7 +275,7 @@ WRITE16_MEMBER(altos8600_state::cpuio_w)
seterr(offset, mem_mask, 0x800);
return;
}
m_dmac->space(AS_IO).write_word_unaligned(offset << 1, mem_mask);
m_dmac->space(AS_IO).write_word_unaligned(offset << 1, data, mem_mask);
}
READ16_MEMBER(altos8600_state::dmacram_r)
@ -327,16 +343,33 @@ static ADDRESS_MAP_START(dmac_io, AS_IO, 16, altos8600_state)
AM_RANGE(0x0010, 0x0017) AM_READ(errlo_r)
AM_RANGE(0x0018, 0x001f) AM_READ(errhi_r)
AM_RANGE(0x0030, 0x0037) AM_WRITE(mode_w)
AM_RANGE(0x0038, 0x003f) AM_WRITE8(cattn_w, 0xffff)
AM_RANGE(0x0040, 0x0047) AM_DEVREADWRITE8("ppi", i8255_device, read, write, 0x00ff)
AM_RANGE(0x0040, 0x0047) AM_DEVREADWRITE8("fd1797", fd1797_device, read, write, 0xff00)
AM_RANGE(0x0048, 0x004f) AM_DEVREADWRITE8("uart8274", i8274_new_device, cd_ba_r, cd_ba_w, 0x00ff)
AM_RANGE(0x0048, 0x004f) AM_DEVREADWRITE8("pit", pit8253_device, read, write, 0xff00)
AM_RANGE(0x0058, 0x005f) AM_DEVREADWRITE8("pic8259_1", pic8259_device, read, write, 0x00ff)
AM_RANGE(0x0060, 0x0067) AM_DEVREADWRITE8("pic8259_2", pic8259_device, read, write, 0x00ff)
AM_RANGE(0x0068, 0x006f) AM_DEVREADWRITE8("pic8259_3", pic8259_device, read, write, 0x00ff)
AM_RANGE(0x0070, 0x0077) AM_NOP
AM_RANGE(0x0078, 0x007f) AM_WRITE8(cattn_w, 0xffff)
AM_RANGE(0x0200, 0x03ff) AM_READWRITE(mmuflags_r, mmuflags_w)
AM_RANGE(0x0400, 0x05ff) AM_READWRITE(mmuaddr_r, mmuaddr_w)
AM_RANGE(0x0000, 0xffff) AM_READWRITE(nmi_r, nmi_w)
ADDRESS_MAP_END
static SLOT_INTERFACE_START(altos8600_floppies)
SLOT_INTERFACE( "8dd", FLOPPY_8_DSDD )
SLOT_INTERFACE_END
static DEVICE_INPUT_DEFAULTS_START(altos8600_terminal)
DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_9600 )
DEVICE_INPUT_DEFAULTS( "RS232_RXBAUD", 0xff, RS232_BAUD_9600 )
DEVICE_INPUT_DEFAULTS( "RS232_STARTBITS", 0xff, RS232_STARTBITS_1 )
DEVICE_INPUT_DEFAULTS( "RS232_DATABITS", 0xff, RS232_DATABITS_8 )
DEVICE_INPUT_DEFAULTS( "RS232_PARITY", 0xff, RS232_PARITY_NONE )
DEVICE_INPUT_DEFAULTS( "RS232_STOPBITS", 0xff, RS232_STOPBITS_1 )
DEVICE_INPUT_DEFAULTS_END
static MACHINE_CONFIG_START(altos8600)
MCFG_CPU_ADD("maincpu", I8086, XTAL_5MHz)
MCFG_CPU_PROGRAM_MAP(cpu_mem)
@ -362,6 +395,43 @@ static MACHINE_CONFIG_START(altos8600)
MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("1M")
MCFG_RAM_EXTRA_OPTIONS("512K")
MCFG_I8274_ADD("uart8274", XTAL_16MHz/4, 0, 0, 0, 0)
MCFG_Z80SIO_OUT_TXDA_CB(DEVWRITELINE("rs232a", rs232_port_device, write_txd))
MCFG_Z80SIO_OUT_DTRA_CB(DEVWRITELINE("rs232a", rs232_port_device, write_dtr))
MCFG_Z80SIO_OUT_RTSA_CB(DEVWRITELINE("rs232a", rs232_port_device, write_rts))
MCFG_Z80SIO_OUT_TXDB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_txd))
MCFG_Z80SIO_OUT_DTRB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_dtr))
MCFG_Z80SIO_OUT_RTSB_CB(DEVWRITELINE("rs232b", rs232_port_device, write_rts))
MCFG_Z80SIO_OUT_INT_CB(DEVWRITELINE("pic8259_1", pic8259_device, ir7_w))
MCFG_RS232_PORT_ADD("rs232a", default_rs232_devices, nullptr)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("uart8274", i8274_new_device, rxa_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE("uart8274", i8274_new_device, dcda_w))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE("uart8274", i8274_new_device, ctsa_w))
MCFG_RS232_PORT_ADD("rs232b", default_rs232_devices, "terminal")
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("uart8274", i8274_new_device, rxb_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE("uart8274", i8274_new_device, dcdb_w))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE("uart8274", i8274_new_device, ctsb_w))
MCFG_DEVICE_CARD_DEVICE_INPUT_DEFAULTS("terminal", altos8600_terminal)
MCFG_DEVICE_ADD("ppi", I8255A, 0)
MCFG_DEVICE_ADD("pit", PIT8253, 0)
MCFG_PIT8253_CLK0(1228800)
MCFG_PIT8253_OUT0_HANDLER(WRITELINE(altos8600_state, tmr0_w))
MCFG_PIT8253_CLK1(1228800)
MCFG_PIT8253_OUT1_HANDLER(DEVWRITELINE("uart8274", i8274_new_device, rxtxcb_w))
MCFG_PIT8253_CLK2(1228800)
MCFG_PIT8253_OUT0_HANDLER(DEVWRITELINE("pic8259_1", pic8259_device, ir1_w))
MCFG_FD1797_ADD("fd1797", 1000000)
MCFG_WD_FDC_INTRQ_CALLBACK(DEVWRITELINE("pic8259_2", pic8259_device, ir1_w))
MCFG_FLOPPY_DRIVE_ADD("fd1797:0", altos8600_floppies, "8dd", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD("fd1797:1", altos8600_floppies, "8dd", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD("fd1797:2", altos8600_floppies, "8dd", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD("fd1797:3", altos8600_floppies, "8dd", floppy_image_device::default_floppy_formats)
MACHINE_CONFIG_END
ROM_START(altos8600)