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How to call DECLARE_WRITE8_MEMBER(duart_txa); at output.c
#324707 - 04/15/14 09:43 AM
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CPU i8031 system.
I can call "output.c"'s fuctions
output_set_lamp_value(...)
output_set_digit_value(...) etc in my game driver.
But how output_xxxx(...) callback in my game driver like:
DECLARE_WRITE8_MEMBER(duart_txa);
WRITE8_MEMBER(bigmario_state::duart_txa)
{
//printf("bigmario_state::duart_txa=%2X\n",data);
m_serial_data_in = data;
m_maincpu->set_input_line(MCS51_RX_LINE, ASSERT_LINE);
m_maincpu->set_input_line(MCS51_RX_LINE, CLEAR_LINE);
};
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Re: How to call DECLARE_WRITE8_MEMBER(duart_txa); at output.c
[Re: lxd]
#324715 - 04/15/14 11:26 AM
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running_machine &machine
How can I from machine get my game driver object?
class bigmario_state : public driver_device
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Re: How to call DECLARE_WRITE8_MEMBER(duart_txa); at output.c
[Re: lxd]
#324724 - 04/15/14 02:43 PM
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I found a way. That is
void bigmario_state::machine_start()
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Re: How to call DECLARE_WRITE8_MEMBER(duart_txa); at output.c
[Re: lxd]
#324729 - 04/15/14 04:39 PM
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> I found a way. That is
> void bigmario_state::machine_start()
nope. every class can invoke machine by using machine() , machine_start() is used for completely different things
from the machine you retrieve the driver state, and then you call state->duart_txa(space, offset, data)
also, when you have a new driver working, you are welcome to submit it for official inclusion (with proper credit, of course)
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Re: How to call DECLARE_WRITE8_MEMBER(duart_txa); at output.c
[Re: etabeta]
#324749 - 04/15/14 09:28 PM
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use "delegate" in
void bigmario_state::machine_start()
then out.c can callback
WRITE8_MEMBER(bigmario_state::duart_txa)
I have done it now. IT's work fine.
The first parameter is
machine.firstcpu->space()
for
ATTR_UNUSED address_space &space
Thank you tell me it.
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How to call DECLARE_WRITE8_MEMBER(duart_txa); at output.c
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