summaryrefslogtreecommitdiffstatshomepage
path: root/src/mess/drivers/ampro.c
diff options
context:
space:
mode:
author Robbbert <robbbert@users.noreply.github.com>2013-09-03 12:38:25 +0000
committer Robbbert <robbbert@users.noreply.github.com>2013-09-03 12:38:25 +0000
commit1cd195bd435e14dac4822a274b05fe1aa0bf399b (patch)
tree49be559b144d70072fc2efb880595362f8c5a6b1 /src/mess/drivers/ampro.c
parent11a4c2cfbe76c202de94630e21d5aa7dc28813c2 (diff)
(MESS) ampro : Connected up ctc, dart, and rs232.
Diffstat (limited to 'src/mess/drivers/ampro.c')
-rw-r--r--src/mess/drivers/ampro.c111
1 files changed, 65 insertions, 46 deletions
diff --git a/src/mess/drivers/ampro.c b/src/mess/drivers/ampro.c
index e3c0b334c73..7bf2f948fd8 100644
--- a/src/mess/drivers/ampro.c
+++ b/src/mess/drivers/ampro.c
@@ -16,6 +16,11 @@ of a hard drive of up to 88MB.
Status: The system will start up into the monitor, as long as no disk
has been mounted.
+ToDo:
+- Fix fdc so that command 0xc0 works.
+- (maybe) add scsi interface
+- Add printer
+
****************************************************************************/
#include "emu.h"
@@ -24,7 +29,7 @@ Status: The system will start up into the monitor, as long as no disk
#include "machine/z80ctc.h"
#include "machine/z80dart.h"
#include "machine/terminal.h"
-//#include "machine/serial.h"
+#include "machine/serial.h"
#include "machine/wd_fdc.h"
@@ -34,37 +39,29 @@ public:
ampro_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
- , m_terminal(*this, TERMINAL_TAG)
+ , m_dart(*this, "z80dart")
+ , m_ctc (*this, "z80ctc")
, m_fdc (*this, "fdc")
, m_floppy0(*this, "fdc:0")
{ }
DECLARE_DRIVER_INIT(ampro);
DECLARE_MACHINE_RESET(ampro);
- DECLARE_READ8_MEMBER(port80_r);
- DECLARE_READ8_MEMBER(port84_r);
+ TIMER_DEVICE_CALLBACK_MEMBER(ctc_tick);
+ DECLARE_WRITE_LINE_MEMBER(ctc_z0_w);
DECLARE_WRITE8_MEMBER(port00_w);
+ DECLARE_READ8_MEMBER(io_r);
+ DECLARE_WRITE8_MEMBER(io_w);
DECLARE_WRITE8_MEMBER(kbd_put);
private:
UINT8 m_term_data;
required_device<cpu_device> m_maincpu;
- required_device<generic_terminal_device> m_terminal;
+ required_device<z80dart_device> m_dart;
+ required_device<z80ctc_device> m_ctc;
required_device<wd1772_t> m_fdc;
required_device<floppy_connector> m_floppy0;
};
-READ8_MEMBER( ampro_state::port80_r )
-{
- UINT8 ret = m_term_data;
- m_term_data = 0;
- return ret;
-}
-
-READ8_MEMBER( ampro_state::port84_r )
-{
- return (m_term_data) ? 5 : 4;
-}
-
/*
d0..d3 Drive select 0-3 (we only emulate 1 drive)
d4 Side select 0=side0
@@ -86,6 +83,22 @@ WRITE8_MEMBER( ampro_state::port00_w )
}
}
+READ8_MEMBER( ampro_state::io_r )
+{
+ if (offset < 0x40)
+ return m_ctc->read(offset>>4);
+ else
+ return m_dart->ba_cd_r(space, offset>>2);
+}
+
+WRITE8_MEMBER( ampro_state::io_w )
+{
+ if (offset < 0x40)
+ m_ctc->write(offset>>4, data);
+ else
+ m_dart->ba_cd_w(space, offset>>2, data);
+}
+
static ADDRESS_MAP_START(ampro_mem, AS_PROGRAM, 8, ampro_state)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x0fff) AM_READ_BANK("bankr0") AM_WRITE_BANK("bankw0")
@@ -101,10 +114,7 @@ static ADDRESS_MAP_START(ampro_io, AS_IO, 8, ampro_state)
//AM_RANGE(0x20, 0x27) AM_READWRITE() // scsi chip
//AM_RANGE(0x28, 0x28) AM_WRITE(port28_w) // scsi control
//AM_RANGE(0x29, 0x29) AM_READ(port29_r) // ID port
- //AM_RANGE(0x40, 0x7f) AM_READWRITE(ctc device)
- //AM_RANGE(0x80, 0x8f) AM_READWRITE(dart device)
- AM_RANGE(0x80, 0x80) AM_READ(port80_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write)
- AM_RANGE(0x84, 0x84) AM_READ(port84_r)
+ AM_RANGE(0x40, 0x8f) AM_READWRITE(io_r,io_w)
AM_RANGE(0xc0, 0xc3) AM_DEVWRITE("fdc", wd1772_t, write)
AM_RANGE(0xc4, 0xc7) AM_DEVREAD("fdc", wd1772_t, read)
ADDRESS_MAP_END
@@ -120,21 +130,19 @@ static Z80DART_INTERFACE( dart_intf )
{
0, 0, 0, 0,
- // console#3
- DEVCB_NULL,
- DEVCB_NULL,
- DEVCB_NULL,
- DEVCB_NULL,
+ DEVCB_DEVICE_LINE_MEMBER("rs232", serial_port_device, rx),
+ DEVCB_DEVICE_LINE_MEMBER("rs232", serial_port_device, tx),
+ DEVCB_DEVICE_LINE_MEMBER("rs232", rs232_port_device, dtr_w),
+ DEVCB_DEVICE_LINE_MEMBER("rs232", rs232_port_device, rts_w),
DEVCB_NULL,
DEVCB_NULL,
- // printer
- DEVCB_NULL,
- DEVCB_NULL,
- DEVCB_NULL,
- DEVCB_NULL,
- DEVCB_NULL,
- DEVCB_NULL,
+ DEVCB_NULL, // ChB in data
+ DEVCB_NULL, // out data
+ DEVCB_NULL, // DTR
+ DEVCB_NULL, // RTS
+ DEVCB_NULL, // WRDY
+ DEVCB_NULL, // SYNC
DEVCB_CPU_INPUT_LINE("maincpu", INPUT_LINE_IRQ0),
DEVCB_NULL,
@@ -143,24 +151,38 @@ static Z80DART_INTERFACE( dart_intf )
DEVCB_NULL
};
+// Baud rate generator. All inputs are 2MHz.
+TIMER_DEVICE_CALLBACK_MEMBER( ampro_state::ctc_tick )
+{
+ m_ctc->trg0(1);
+ m_ctc->trg0(0);
+ m_ctc->trg1(1);
+ m_ctc->trg1(0);
+}
+
+WRITE_LINE_MEMBER( ampro_state::ctc_z0_w )
+{
+ m_dart->rxca_w(state);
+ m_dart->txca_w(state);
+}
+
static Z80CTC_INTERFACE( ctc_intf )
{
DEVCB_CPU_INPUT_LINE("maincpu", INPUT_LINE_IRQ0), // interrupt callback
- DEVCB_NULL,//DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, rxtxcb_w), /* ZC/TO0 callback - SIO Ch B */
- DEVCB_NULL,//DEVCB_DRIVER_LINE_MEMBER(altos5_state, ctc_z1_w), /* ZC/TO1 callback - Z80DART Ch A, SIO Ch A */
- DEVCB_NULL//DEVCB_DEVICE_LINE_MEMBER("z80dart", z80dart_device, rxtxcb_w), /* ZC/TO2 callback - Z80DART Ch B */
+ DEVCB_DRIVER_LINE_MEMBER(ampro_state, ctc_z0_w), /* ZC/TO0 callback - Z80DART Ch A, SIO Ch A */
+ DEVCB_DEVICE_LINE_MEMBER("z80dart", z80dart_device, rxtxcb_w), /* ZC/TO1 callback - SIO Ch B */
+ DEVCB_NULL /* ZC/TO2 callback */
};
-#if 0
static const rs232_port_interface rs232_intf =
{
DEVCB_NULL,
- DEVCB_NULL,//DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, dcdb_w),
DEVCB_NULL,
- DEVCB_NULL,//DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, rib_w),
- DEVCB_NULL //DEVCB_DEVICE_LINE_MEMBER("z80sio", z80dart_device, ctsb_w)
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL
};
-#endif
+
static SLOT_INTERFACE_START( ampro_floppies )
SLOT_INTERFACE( "525dd", FLOPPY_525_DD )
SLOT_INTERFACE_END
@@ -202,14 +224,11 @@ static MACHINE_CONFIG_START( ampro, ampro_state )
MCFG_CPU_CONFIG(daisy_chain_intf)
MCFG_MACHINE_RESET_OVERRIDE(ampro_state, ampro)
- /* video hardware */
- MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)
-
/* Devices */
MCFG_Z80CTC_ADD( "z80ctc", XTAL_16MHz / 4, ctc_intf )
MCFG_Z80DART_ADD("z80dart", XTAL_16MHz / 4, dart_intf )
- //MCFG_RS232_PORT_ADD("rs232", rs232_intf, default_rs232_devices, "serial_terminal")
- //MCFG_TIMER_DRIVER_ADD_PERIODIC("ctc_tick", altos5_state, ctc_tick, attotime::from_hz(XTAL_16MHz / 4))
+ MCFG_RS232_PORT_ADD("rs232", rs232_intf, default_rs232_devices, "serial_terminal")
+ MCFG_TIMER_DRIVER_ADD_PERIODIC("ctc_tick", ampro_state, ctc_tick, attotime::from_hz(XTAL_16MHz / 8))
MCFG_WD1772x_ADD("fdc", XTAL_16MHz / 16)
MCFG_FLOPPY_DRIVE_ADD("fdc:0", ampro_floppies, "525dd", floppy_image_device::default_floppy_formats)
MACHINE_CONFIG_END