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Add skeleton support for K1801VM2 (as clone of T11), change relevant drivers to use it.

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This commit is contained in:
Sergey Svishchev 2014-11-25 21:39:00 +03:00
parent 3c44b77052
commit ae053d119a
5 changed files with 67 additions and 8 deletions
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43
src/emu/cpu/t11/t11.c
View File

@ -36,8 +36,24 @@
const device_type T11 = &device_creator<t11_device>;
const device_type K1801VM2 = &device_creator<k1801vm2_device>;
k1801vm2_device::k1801vm2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: t11_device(mconfig, K1801VM2, "K1801VM2", tag, owner, clock, "k1801vm2", __FILE__)
{
}
t11_device::t11_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
: cpu_device(mconfig, type, name, tag, owner, clock, shortname, source)
, m_program_config("program", ENDIANNESS_LITTLE, 16, 16, 0)
, c_initial_mode(0)
{
m_is_octal = true;
memset(m_reg, 0x00, sizeof(m_reg));
memset(&m_psw, 0x00, sizeof(m_psw));
}
t11_device::t11_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: cpu_device(mconfig, T11, "T11", tag, owner, clock, "t11", __FILE__)
, m_program_config("program", ENDIANNESS_LITTLE, 16, 16, 0)
@ -294,6 +310,26 @@ void t11_device::state_string_export(const device_state_entry &entry, std::strin
}
}
void k1801vm2_device::state_string_export(const device_state_entry &entry, std::string &str)
{
switch (entry.index())
{
case STATE_GENFLAGS:
strprintf(str, "%c%c%c%c%c%c%c%c%c",
m_psw.b.l & 0x100 ? 'H':'.',
m_psw.b.l & 0x80 ? 'P':'.',
m_psw.b.l & 0x40 ? '?':'.',
m_psw.b.l & 0x20 ? '?':'.',
m_psw.b.l & 0x10 ? 'T':'.',
m_psw.b.l & 0x08 ? 'N':'.',
m_psw.b.l & 0x04 ? 'Z':'.',
m_psw.b.l & 0x02 ? 'V':'.',
m_psw.b.l & 0x01 ? 'C':'.'
);
break;
}
}
/*************************************
*
@ -326,6 +362,13 @@ void t11_device::device_reset()
m_wait_state = 0;
}
void k1801vm2_device::device_reset()
{
t11_device::device_reset();
PC = RWORD(c_initial_mode);
PSW = RWORD(c_initial_mode+2);
}
/*************************************

16
src/emu/cpu/t11/t11.h
View File

@ -37,6 +37,7 @@ class t11_device : public cpu_device
public:
// construction/destruction
t11_device(const machine_config &mconfig, const char *_tag, device_t *_owner, UINT32 _clock);
t11_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
// static configuration helpers
static void set_initial_mode(device_t &device, const UINT16 mode) { downcast<t11_device &>(device).c_initial_mode = mode; }
@ -1133,8 +1134,23 @@ private:
void sub_ixd_ixd(UINT16 op);
};
class k1801vm2_device : public t11_device
{
public:
// construction/destruction
k1801vm2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
protected:
// device-level overrides
virtual void device_reset();
// device_state_interface overrides
void state_string_export(const device_state_entry &entry, std::string &str);
};
extern const device_type T11;
extern const device_type K1801VM2;
#endif /* __T11_H__ */

4
src/mess/drivers/mk85.c
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@ -63,8 +63,8 @@ UINT32 mk85_state::screen_update_mk85(screen_device &screen, bitmap_ind16 &bitma
static MACHINE_CONFIG_START( mk85, mk85_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",T11, XTAL_4MHz)
MCFG_T11_INITIAL_MODE(5 << 13) /* start from 0000 */
MCFG_CPU_ADD("maincpu", K1801VM2, XTAL_4MHz)
MCFG_T11_INITIAL_MODE(0)
MCFG_CPU_PROGRAM_MAP(mk85_mem)

4
src/mess/drivers/mk90.c
View File

@ -68,8 +68,8 @@ UINT32 mk90_state::screen_update_mk90(screen_device &screen, bitmap_ind16 &bitma
static MACHINE_CONFIG_START( mk90, mk90_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",T11, XTAL_4MHz)
MCFG_T11_INITIAL_MODE(0xf600)
MCFG_CPU_ADD("maincpu", K1801VM2, XTAL_4MHz)
MCFG_T11_INITIAL_MODE(0x8000)
MCFG_CPU_PROGRAM_MAP(mk90_mem)

8
src/mess/drivers/uknc.c
View File

@ -58,12 +58,12 @@ UINT32 uknc_state::screen_update_uknc(screen_device &screen, bitmap_ind16 &bitma
static MACHINE_CONFIG_START( uknc, uknc_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", T11, 8000000)
MCFG_T11_INITIAL_MODE(0x36ff) /* initial mode word has DAL15,14,11,8 pulled low */
MCFG_CPU_ADD("maincpu", K1801VM2, 8000000)
MCFG_T11_INITIAL_MODE(0x8000)
MCFG_CPU_PROGRAM_MAP(uknc_mem)
MCFG_CPU_ADD("subcpu", T11, 6000000)
MCFG_T11_INITIAL_MODE(0x36ff) /* initial mode word has DAL15,14,11,8 pulled low */
MCFG_CPU_ADD("subcpu", K1801VM2, 6000000)
MCFG_T11_INITIAL_MODE(0x8000)
MCFG_CPU_PROGRAM_MAP(uknc_sub_mem)