static UINT8 srtc_read( address_space &space, UINT16 addr )
{
addr &= 0xffff;
if (addr == 0x2800)
{
if (rtc_state.mode != RTCM_Read)
{
return 0x00;
}
if (rtc_state.index < 0)
{
srtc_update_time(space.machine());
rtc_state.index++;
return 0x0f;
}
else if (rtc_state.index > 12)
{
rtc_state.index = -1;
return 0x0f;
}
else
{
return rtc_state.ram[rtc_state.index++];
}
}
return snes_open_bus_r(space, 0);
}
static UINT8 srtc_mmio_read(running_machine *machine, UINT16 addr)
{
addr &= 0xffff;
if(addr == 0x2800)
{
if(snes_rtc.rtc_mode != RTCM_Read)
{
return 0x00;
}
if(snes_rtc.rtc_index < 0)
{
srtc_update_time(machine);
snes_rtc.rtc_index++;
return 0x0f;
}
else if(snes_rtc.rtc_index > 12)
{
snes_rtc.rtc_index = -1;
return 0x0f;
}
else
{
return snes_rtc.rtc_ram[snes_rtc.rtc_index++];
}
}
return 0xff;
}
static void srtc_init( running_machine &machine )
{
rtc_state.mode = RTCM_Read;
rtc_state.index = -1;
srtc_update_time(machine);
state_save_register_global_array(machine, rtc_state.ram);
state_save_register_global(machine, rtc_state.mode);
state_save_register_global(machine, rtc_state.index);
}
static void srtc_reset(running_machine *machine)
{
snes_rtc.rtc_mode = RTCM_Read;
snes_rtc.rtc_index = -1;
srtc_update_time(machine);
}
