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luckybal: Add and document 4099 latches (nw)

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This commit is contained in:
AJR 2018-01-12 17:31:48 -05:00
parent e94b4d2bac
commit a45122fa5c
1 changed files with 51 additions and 2 deletions
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53
src/mame/drivers/luckybal.cpp
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@ -212,6 +212,41 @@
| PC7 |------> I/O 4512 #2 (SO, DIP switches)
'-------------'
4099 #1
.-----v-----.
| Q0 |-------> JUG. 1
| Q1 |-------> JUG. 2
| Q2 |-------> JUG. 3
| Q3 |-------> JUG. 4
| Q4 |-------> JUG. 5
| Q5 |-------> JUG. 6
| Q6 |-------> JUG. 7
| Q7 |-------> JUG. 8
'-----------'
4099 #2
.-----v-----.
| Q0 |-------> AUX OUT1
| Q1 |-------> AUX OUT2 (through ULN2004)
| Q2 |-------> AUX OUT3 (through ULN2004)
| Q3 |-------> AUX OUT4 (through ULN2004)
| Q4 |-------> CONT.AUX1 (through ULN2004)
| Q5 |-------> CONT.ENT (through ULN2004)
| Q6 |-------> CONT.AUX2 (through ULN2004)
| Q7 |-------> CONT.SAL (through ULN2004)
'-----------'
4099 #3
.-----v-----.
| Q0 |-------> n.c.?
| Q1 |-------> n.c.?
| Q2 |-------> n.c.?
| Q3 |-------> n.c.?
| Q4 |-------> TOUCH (through 1N60)
| Q5 |-------> n.c.?
| Q6 |-------> n.c.?
| Q7 |-------> n.c.?
'-----------'
*********************************************************************
@ -225,7 +260,8 @@
outputs back).
Currently the machine gets stuck polling the control register for
the Z180's unemulated clocked serial I/O.
the Z180's unemulated clocked serial I/O (which connects with the
ST6265's SIN/SOUT/SCK).
*********************************************************************/
@ -239,6 +275,7 @@
#include "emu.h"
#include "cpu/z180/z180.h"
#include "machine/74259.h"
#include "machine/i8255.h"
#include "video/v9938.h"
#include "sound/dac.h"
@ -256,6 +293,7 @@ public:
, m_maincpu(*this, "maincpu")
, m_ppi(*this, "ppi")
, m_dac(*this, "dac")
, m_latch(*this, "latch%u", 1)
{ }
DECLARE_WRITE8_MEMBER(port90_bitswap_w);
@ -272,6 +310,7 @@ public:
required_device<cpu_device> m_maincpu;
required_device<i8255_device> m_ppi;
required_device<dac_byte_interface> m_dac;
required_device_array<cd4099_device, 3> m_latch;
};
@ -368,7 +407,11 @@ WRITE8_MEMBER(luckybal_state::output_port_a_w)
WRITE8_MEMBER(luckybal_state::output_port_b_w)
{
if ((data & 0xf8) != 0xf8)
for (int n = 0; n < 3; n++)
if (!BIT(data, n + 3))
m_latch[n]->write_bit(data & 7, BIT(data, 6));
if ((data & 0x80) != 0x80)
logerror("%s: Write to PPI port B: %02X\n", machine().describe_context(), data);
}
@ -486,6 +529,12 @@ static MACHINE_CONFIG_START( luckybal )
MCFG_I8255_IN_PORTC_CB(READ8(luckybal_state, input_port_c_r))
MCFG_I8255_OUT_PORTC_CB(WRITE8(luckybal_state, output_port_c_w))
MCFG_DEVICE_ADD("latch1", CD4099, 0)
MCFG_DEVICE_ADD("latch2", CD4099, 0)
MCFG_DEVICE_ADD("latch3", CD4099, 0)
/* video hardware */
MCFG_V9938_ADD("v9938", "screen", VDP_MEM, VID_CLOCK)
MCFG_V99X8_INTERRUPT_CALLBACK(INPUTLINE("maincpu", 0))