Miroirs/mame
1
0
Fork 0
mirror of https://github.com/mamedev/mame.git synced 2024-11-18 10:06:19 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

greatgur MCU doesn't like impulse coins, add hack to simulated sets to make them work with non-impulse coins (nw)

Browse source
This commit is contained in:
Vas Crabb 2017-01-07 03:04:11 +11:00
parent 9ccfcffb1a
commit 13401dadfb
2 changed files with 39 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

50
src/mame/drivers/gladiatr.cpp
View file

@ -208,31 +208,45 @@ WRITE8_MEMBER(gladiatr_state::gladiatr_bankswitch_w)
}
READ8_MEMBER(gladiatr_state::gladiator_dsw1_r )
READ8_MEMBER(gladiatr_state::gladiator_dsw1_r)
{
return BITSWAP8(~m_dsw1->read(), 0,1,2,3,4,5,6,7);
}
READ8_MEMBER(gladiatr_state::gladiator_dsw2_r )
READ8_MEMBER(gladiatr_state::gladiator_dsw2_r)
{
return BITSWAP8(~m_dsw2->read(), 2,3,4,5,6,7,1,0);
}
READ8_MEMBER(gladiatr_state::gladiator_controls_r )
READ8_MEMBER(gladiatr_state::gladiator_controls_r)
{
u8 const coins = (~m_coins->read() & 0x07) ? 0x80 : 0x00;
// hack to simulate the way the MCUs counts edges on coin inputs
u8 const coins = ~m_coins->read() & 0x07;
u8 const changed = (m_coins_val ^ coins) & coins;
m_credits += 2 * (BIT(changed, 0) + BIT(changed, 1) + BIT(changed, 2));
m_coins_val = coins;
u8 result = 0;
switch(offset)
{
case 0x01: // start button , coins
return ((~m_in0->read() >> 6) & 0x03) | coins;
case 0x02: // Player 1 Controller , coins
return (~m_in0->read() & 0x3f) | coins;
case 0x04: // Player 2 Controller , coins
return (~m_in1->read() & 0x3f) | coins;
case 0x01: // start button, coins
result = (~m_in0->read() >> 6) & 0x03;
break;
case 0x02: // Player 1 Controller , coins
result = ~m_in0->read() & 0x3f;
break;
case 0x04: // Player 2 Controller , coins
result = ~m_in1->read() & 0x3f;
break;
default: // unknown
return 0;
}
// unknown
return 0;
if (m_credits)
{
result |= 0x80;
--m_credits;
}
return result;
}
READ8_MEMBER(gladiatr_state::gladiator_button3_r)
@ -705,9 +719,9 @@ static INPUT_PORTS_START( gladiatr )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_COCKTAIL
PORT_START("COINS") // ccpu test, cctl test
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(1)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_IMPULSE(1)
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
@ -1188,6 +1202,12 @@ DRIVER_INIT_MEMBER(gladiatr_state,gladiatr)
/* make sure bank is valid in cpu-reset */
membank("bank2")->set_entry(0);
m_coins_val = 0x00;
m_credits = 0;
save_item(NAME(m_coins_val));
save_item(NAME(m_credits));
m_tclk_val = false;
m_in0_val = 0xff;
m_in1_val = 0xff;

4
src/mame/includes/gladiatr.h
View file

@ -82,6 +82,8 @@ public:
, m_in1(*this, "IN1")
, m_in2(*this, "IN2")
, m_coins(*this, "COINS")
, m_coins_val(0x00)
, m_credits(0)
, m_tclk_val(false)
, m_in0_val(0xff)
, m_in1_val(0xff)
@ -141,6 +143,8 @@ private:
required_ioport m_in0, m_in1, m_in2;
required_ioport m_coins;
u8 m_coins_val, m_credits;
bool m_tclk_val;
u8 m_in0_val, m_in1_val;
u8 m_cctl_p1, m_cctl_p2;