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srallyc: Hook up 315-5296 I/O on drive board (does nothing yet) (nw)

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This commit is contained in:
AJR 2017-04-10 17:25:11 -04:00
parent 16a1e4be4f
commit f5fb01e370
2 changed files with 19 additions and 15 deletions
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30
src/mame/drivers/model2.cpp
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@ -124,6 +124,7 @@
#include "cpu/z80/z80.h"
#include "machine/eepromser.h"
#include "machine/nvram.h"
#include "machine/315_5296.h"
#include "sound/2612intf.h"
#include "video/segaic24.h"
#include "speaker.h"
@ -2505,7 +2506,12 @@ static MACHINE_CONFIG_DERIVED( model2a_0229, model2a )
// MCFG_SET_5838_READ_CALLBACK(model2_state, crypt_read_callback)
MACHINE_CONFIG_END
READ8_MEMBER(model2_state::driveio_port_r)
READ8_MEMBER(model2_state::driveio_portg_r)
{
return m_driveio_comm_data;
}
READ8_MEMBER(model2_state::driveio_porth_r)
{
return m_driveio_comm_data;
}
@ -2516,13 +2522,6 @@ WRITE8_MEMBER(model2_state::driveio_port_w)
// popmessage("%02x",data);
}
READ8_MEMBER(model2_state::driveio_port_str_r)
{
static const char sega_str[4] = { 'S', 'E', 'G', 'A' };
return sega_str[offset];
}
static ADDRESS_MAP_START( drive_map, AS_PROGRAM, 8, model2_state )
AM_RANGE(0x0000, 0x7fff) AM_ROM
AM_RANGE(0xe000, 0xffff) AM_RAM
@ -2531,11 +2530,9 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( drive_io_map, AS_IO, 8, model2_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x00) AM_WRITENOP //watchdog
AM_RANGE(0x23, 0x23) AM_WRITE(driveio_port_w)
AM_RANGE(0x26, 0x27) AM_READ(driveio_port_r)
AM_RANGE(0x28, 0x2b) AM_READ(driveio_port_str_r)
AM_RANGE(0x40, 0x4f) AM_WRITENOP //Oki M6253
AM_RANGE(0x80, 0x83) AM_NOP //r/w it during irq
AM_RANGE(0x20, 0x2f) AM_DEVREADWRITE("driveio1", sega_315_5296_device, read, write)
AM_RANGE(0x40, 0x4f) AM_DEVREADWRITE("driveio2", sega_315_5296_device, read, write)
AM_RANGE(0x80, 0x83) AM_NOP //Oki M6253
ADDRESS_MAP_END
static MACHINE_CONFIG_DERIVED( srallyc, model2a )
@ -2544,6 +2541,13 @@ static MACHINE_CONFIG_DERIVED( srallyc, model2a )
MCFG_CPU_PROGRAM_MAP(drive_map)
MCFG_CPU_IO_MAP(drive_io_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", model2_state, irq0_line_hold)
MCFG_DEVICE_ADD("driveio1", SEGA_315_5296, 16000000/4) //???
MCFG_315_5296_OUT_PORTD_CB(WRITE8(model2_state, driveio_port_w))
MCFG_315_5296_IN_PORTG_CB(READ8(model2_state, driveio_portg_r))
MCFG_315_5296_IN_PORTH_CB(READ8(model2_state, driveio_porth_r))
MCFG_DEVICE_ADD("driveio2", SEGA_315_5296, 16000000/4) //???
MACHINE_CONFIG_END
/* 2B-CRX */

4
src/mame/includes/model2.h
View File

@ -186,9 +186,9 @@ public:
DECLARE_READ32_MEMBER(copro_status_r);
DECLARE_READ32_MEMBER(polygon_count_r);
DECLARE_READ8_MEMBER(driveio_port_r);
DECLARE_READ8_MEMBER(driveio_portg_r);
DECLARE_READ8_MEMBER(driveio_porth_r);
DECLARE_WRITE8_MEMBER(driveio_port_w);
DECLARE_READ8_MEMBER(driveio_port_str_r);
void push_geo_data(uint32_t data);
DECLARE_DRIVER_INIT(overrev);
DECLARE_DRIVER_INIT(pltkids);