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/***************************************************************************
Orao machine driver by Miodrag Milanovic
23/02/2008 Sound support added.
22/02/2008 Preliminary driver.
****************************************************************************/
#include "emu.h"
#include "sound/dac.h"
#include "imagedev/cassette.h"
#include "includes/orao.h"
/* Driver initialization */
DRIVER_INIT_MEMBER(orao_state,orao)
{
memset(m_memory,0xff,0x6000);
}
DRIVER_INIT_MEMBER(orao_state,orao103)
{
memset(m_memory,0xff,0x6000);
}
void orao_state::machine_reset()
{
}
READ8_MEMBER(orao_state::orao_io_r)
{
double level;
switch(offset) {
/* Keyboard*/
case 0x07FC : return ioport("LINE0")->read();
case 0x07FD : return ioport("LINE1")->read();
case 0x07FA : return ioport("LINE2")->read();
case 0x07FB : return ioport("LINE3")->read();
case 0x07F6 : return ioport("LINE4")->read();
case 0x07F7 : return ioport("LINE5")->read();
case 0x07EE : return ioport("LINE6")->read();
case 0x07EF : return ioport("LINE7")->read();
case 0x07DE : return ioport("LINE8")->read();
case 0x07DF : return ioport("LINE9")->read();
case 0x07BE : return ioport("LINE10")->read();
case 0x07BF : return ioport("LINE11")->read();
case 0x077E : return ioport("LINE12")->read();
case 0x077F : return ioport("LINE13")->read();
case 0x06FE : return ioport("LINE14")->read();
case 0x06FF : return ioport("LINE15")->read();
case 0x05FE : return ioport("LINE16")->read();
case 0x05FF : return ioport("LINE17")->read();
case 0x03FE : return ioport("LINE18")->read();
case 0x03FF : return ioport("LINE19")->read();
/* Tape */
case 0x07FF :
level = m_cassette->input();
if (level < 0) {
return 0x00;
}
return 0xff;
}
return 0xff;
}
WRITE8_MEMBER(orao_state::orao_io_w)
{
if (offset == 0x0800)
{
m_dac->write_unsigned8(data); //beeper
}
}
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