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fccpu30: mapped the Epson 72423 RTC device to the msm6242_device driver as it is compatible

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This commit is contained in:
Joakim Larsson Edstrom 2016-11-14 15:19:44 +01:00
parent 546b07e400
commit 2825c5e1f6
1 changed files with 11 additions and 14 deletions
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25
src/mame/drivers/fccpu30.cpp
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@ -188,6 +188,7 @@
#include "emu.h" #include "emu.h"
#include "cpu/m68000/m68000.h" #include "cpu/m68000/m68000.h"
#include "machine/msm6242.h" // Supporting also Epson 62423 which is compatible to the Epson 72423
#include "machine/ram.h" // For variants that only differs in amount of RAM #include "machine/ram.h" // For variants that only differs in amount of RAM
#include "machine/scnxx562.h" #include "machine/scnxx562.h"
#include "machine/68230pit.h" #include "machine/68230pit.h"
@ -215,6 +216,8 @@
#define FUNCNAME __PRETTY_FUNCTION__ #define FUNCNAME __PRETTY_FUNCTION__
#endif #endif
const device_type EPS72423 = MSM6242; // Informative
#define DUSCC_CLOCK XTAL_14_7456MHz /* Verified */ #define DUSCC_CLOCK XTAL_14_7456MHz /* Verified */
class cpu30_state : public driver_device class cpu30_state : public driver_device
@ -228,6 +231,7 @@ cpu30_state(const machine_config &mconfig, device_type type, const char *tag)
, m_pit1 (*this, "pit1") , m_pit1 (*this, "pit1")
, m_pit2 (*this, "pit2") , m_pit2 (*this, "pit2")
, m_fga002 (*this, "fga002") , m_fga002 (*this, "fga002")
, m_rtc (*this, "rtc")
, m_board_id(0x50) , m_board_id(0x50)
{ {
} }
@ -236,8 +240,6 @@ cpu30_state(const machine_config &mconfig, device_type type, const char *tag)
DECLARE_READ8_MEMBER (fdc_r); DECLARE_READ8_MEMBER (fdc_r);
DECLARE_WRITE8_MEMBER (scsi_w); DECLARE_WRITE8_MEMBER (scsi_w);
DECLARE_READ8_MEMBER (scsi_r); DECLARE_READ8_MEMBER (scsi_r);
DECLARE_WRITE8_MEMBER (rtc_w);
DECLARE_READ8_MEMBER (rtc_r);
DECLARE_READ8_MEMBER (slot1_status_r); DECLARE_READ8_MEMBER (slot1_status_r);
DECLARE_READ32_MEMBER (bootvect_r); DECLARE_READ32_MEMBER (bootvect_r);
DECLARE_WRITE32_MEMBER (bootvect_w); DECLARE_WRITE32_MEMBER (bootvect_w);
@ -290,6 +292,8 @@ private:
required_device<fga002_device> m_fga002; required_device<fga002_device> m_fga002;
required_device <msm6242_device> m_rtc;
// Helper functions // Helper functions
void update_irq_to_maincpu(); void update_irq_to_maincpu();
@ -310,8 +314,7 @@ static ADDRESS_MAP_START (cpu30_mem, AS_PROGRAM, 32, cpu30_state)
AM_RANGE (0xff800e00, 0xff800fff) AM_DEVREADWRITE8("pit2", pit68230_device, read, write, 0xffffffff) AM_RANGE (0xff800e00, 0xff800fff) AM_DEVREADWRITE8("pit2", pit68230_device, read, write, 0xffffffff)
AM_RANGE (0xff802000, 0xff8021ff) AM_DEVREADWRITE8("duscc", duscc68562_device, read, write, 0xffffffff) /* Port 1&2 - Dual serial port DUSCC */ AM_RANGE (0xff802000, 0xff8021ff) AM_DEVREADWRITE8("duscc", duscc68562_device, read, write, 0xffffffff) /* Port 1&2 - Dual serial port DUSCC */
AM_RANGE (0xff802200, 0xff8023ff) AM_DEVREADWRITE8("duscc2", duscc68562_device, read, write, 0xffffffff) /* Port 3&4 - Dual serial port DUSCC */ AM_RANGE (0xff802200, 0xff8023ff) AM_DEVREADWRITE8("duscc2", duscc68562_device, read, write, 0xffffffff) /* Port 3&4 - Dual serial port DUSCC */
// AM_RANGE (0xff803000, 0xff8031ff) AM_DEVREADWRITE8("rtc", rtc72423_device, read, write, 0xffffffff) /* TODO: implement Epson RT-72423 RTC (see also konendev.cpp) */ AM_RANGE (0xff803000, 0xff8031ff) AM_DEVREADWRITE8("rtc", msm6242_device, read, write, 0xffffffff) /* device support Epson 62423 which is compatible with Epson 72423 */
AM_RANGE (0xff803000, 0xff8031ff) AM_READWRITE8(rtc_r, rtc_w, 0x000000ff) /* mock driver to log calls to device */
// AM_RANGE (0xff803400, 0xff8035ff) AM_DEVREADWRITE8("scsi", mb87033_device, read, write, 0xffffffff) /* TODO: implement MB87344 SCSI device */ // AM_RANGE (0xff803400, 0xff8035ff) AM_DEVREADWRITE8("scsi", mb87033_device, read, write, 0xffffffff) /* TODO: implement MB87344 SCSI device */
AM_RANGE (0xff803400, 0xff8035ff) AM_READWRITE8(scsi_r, scsi_w, 0x000000ff) /* mock driver to log calls to device */ AM_RANGE (0xff803400, 0xff8035ff) AM_READWRITE8(scsi_r, scsi_w, 0x000000ff) /* mock driver to log calls to device */
// AM_RANGE (0xff803800, 0xff80397f) AM_DEVREADWRITE8("fdc", wd37c65c_device, read, write, 0xffffffff) /* TODO: implement WD3/C65C fdc controller */ // AM_RANGE (0xff803800, 0xff80397f) AM_DEVREADWRITE8("fdc", wd37c65c_device, read, write, 0xffffffff) /* TODO: implement WD3/C65C fdc controller */
@ -384,16 +387,6 @@ WRITE8_MEMBER (cpu30_state::scsi_w){
LOG(("%s\n * SCSI write Offset: %04x Data: %02x\n", FUNCNAME, offset, data)); LOG(("%s\n * SCSI write Offset: %04x Data: %02x\n", FUNCNAME, offset, data));
} }
/* Mock RTC driver */
READ8_MEMBER (cpu30_state::rtc_r){
LOG(("%s\n * RTC read Offset: %04x\n", FUNCNAME, offset));
return 1;
}
WRITE8_MEMBER (cpu30_state::rtc_w){
LOG(("%s\n * RTC write Offset: %04x Data: %02x\n", FUNCNAME, offset, data));
}
/* 1 = board is in slot 1, 0 = board is NOT in slot 1 */ /* 1 = board is in slot 1, 0 = board is NOT in slot 1 */
READ8_MEMBER (cpu30_state::slot1_status_r){ READ8_MEMBER (cpu30_state::slot1_status_r){
LOG(("%s\n", FUNCNAME)); LOG(("%s\n", FUNCNAME));
@ -722,6 +715,10 @@ static MACHINE_CONFIG_START (cpu30, cpu30_state)
MCFG_FGA002_OUT_LIACK4_CB(DEVREAD8("duscc", duscc_device, iack)) MCFG_FGA002_OUT_LIACK4_CB(DEVREAD8("duscc", duscc_device, iack))
MCFG_FGA002_OUT_LIACK5_CB(DEVREAD8("duscc2", duscc_device, iack)) MCFG_FGA002_OUT_LIACK5_CB(DEVREAD8("duscc2", duscc_device, iack))
// RTC
MCFG_DEVICE_ADD("rtc", EPS72423, XTAL_32_768kHz) // Fake crystal value, the 72423 uses it own internal crystal
MCFG_MSM6242_OUT_INT_HANDLER(DEVWRITELINE("fga002", fga002_device, lirq0_w))
// dual ported ram // dual ported ram
MCFG_RAM_ADD(RAM_TAG) MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("4M") MCFG_RAM_DEFAULT_SIZE("4M")