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Merge branch 'master' of https://github.com/mamedev/mame

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This commit is contained in:
angelosa 2015-07-08 00:05:03 +02:00
commit b58f781202
3 changed files with 34 additions and 10 deletions
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27
src/emu/cpu/sm510/sm510.c
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@ -44,6 +44,7 @@ void sm510_base_device::device_start()
m_read_ba.resolve_safe(1);
m_read_b.resolve_safe(1);
m_write_s.resolve_safe();
m_write_r.resolve_safe();
// zerofill
memset(m_stack, 0, sizeof(m_stack));
@ -60,6 +61,7 @@ void sm510_base_device::device_start()
m_w = 0;
// m_div = 0;
m_1s = false;
m_k_active = false;
m_bp = false;
m_bc = false;
m_halt = false;
@ -79,6 +81,7 @@ void sm510_base_device::device_start()
save_item(NAME(m_w));
save_item(NAME(m_div));
save_item(NAME(m_1s));
save_item(NAME(m_k_active));
save_item(NAME(m_bp));
save_item(NAME(m_bc));
save_item(NAME(m_halt));
@ -115,6 +118,7 @@ void sm510_base_device::device_reset()
m_bp = true;
m_bc = false;
m_write_r(0, 0, 0xff);
// y=0(bs), r=0
}
@ -143,6 +147,9 @@ void sm510_base_device::execute_set_input(int line, int state)
{
if (line != 0)
return;
// set K input lines active state
m_k_active = (state != 0);
}
TIMER_CALLBACK_MEMBER(sm510_base_device::div_timer_cb)
@ -184,15 +191,21 @@ void sm510_base_device::increment_pc()
void sm510_base_device::execute_run()
{
// nothing to do if in halt mode
if (m_halt)
{
m_icount = 0;
return;
}
while (m_icount > 0)
{
if (m_halt)
{
// wake up from K input (note: 1S signal is handled above)
if (m_k_active)
wake_me_up();
else
{
// got nothing to do
m_icount = 0;
return;
}
}
// remember previous state
m_prev_op = m_op;
m_prev_pc = m_pc;

11
src/emu/cpu/sm510/sm510.h
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@ -30,6 +30,13 @@
#define MCFG_SM510_WRITE_S_CB(_devcb) \
sm510_base_device::set_write_s_callback(*device, DEVCB_##_devcb);
// 2-bit R melody output port
#define MCFG_SM510_WRITE_R_CB(_devcb) \
sm510_base_device::set_write_r_callback(*device, DEVCB_##_devcb);
// when in halt state, any K input going High can wake up the CPU,
// driver is required to use execute_set_input(SM510_INPUT_LINE_K, state)
#define SM510_INPUT_LINE_K 0
// pinout reference
@ -54,6 +61,7 @@ public:
, m_read_ba(*this)
, m_read_b(*this)
, m_write_s(*this)
, m_write_r(*this)
{ }
// static configuration helpers
@ -61,6 +69,7 @@ public:
template<class _Object> static devcb_base &set_read_ba_callback(device_t &device, _Object object) { return downcast<sm510_base_device &>(device).m_read_ba.set_callback(object); }
template<class _Object> static devcb_base &set_read_b_callback(device_t &device, _Object object) { return downcast<sm510_base_device &>(device).m_read_b.set_callback(object); }
template<class _Object> static devcb_base &set_write_s_callback(device_t &device, _Object object) { return downcast<sm510_base_device &>(device).m_write_s.set_callback(object); }
template<class _Object> static devcb_base &set_write_r_callback(device_t &device, _Object object) { return downcast<sm510_base_device &>(device).m_write_r.set_callback(object); }
protected:
// device-level overrides
@ -111,6 +120,7 @@ protected:
UINT8 m_w;
UINT16 m_div;
bool m_1s;
bool m_k_active;
bool m_bp;
bool m_bc;
bool m_halt;
@ -120,6 +130,7 @@ protected:
devcb_read_line m_read_ba;
devcb_read_line m_read_b;
devcb_write8 m_write_s;
devcb_write8 m_write_r;
// misc internal helpers
void increment_pc();

6
src/emu/cpu/sm510/sm510op.c
View File

@ -223,20 +223,20 @@ void sm510_base_device::op_atbp()
void sm510_base_device::op_atl()
{
// ATL: input L to ACC
// ATL: output ACC to L
op_illegal();
}
void sm510_base_device::op_atfc()
{
// ATFC: input Y to ACC
// ATFC: output ACC to Y
op_illegal();
}
void sm510_base_device::op_atr()
{
// ATR: output ACC to R
op_illegal();
m_write_r(0, m_acc & 3, 0xff);
}