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/* 68307 SERIAL Module */
#include "emu.h"
#include "m68kcpu.h"
READ16_HANDLER( m68307_internal_serial_r )
{
m68ki_cpu_core *m68k = m68k_get_safe_token(&space->device());
m68307_serial* serial = m68k->m68307SERIAL;
assert(serial != NULL);
if (serial)
{
int pc = cpu_get_pc(&space->device());
switch (offset<<1)
{
case m68307SER_USR_UCSR:
logerror("%08x m68307_internal_serial_r %08x, (%04x) (USR - Status Register)\n", pc, offset*2,mem_mask);
return space->machine().rand();
case m68307SER_URB_UTB:
logerror("%08x m68307_internal_serial_r %08x, (%04x) (URB - Recieve Buffer)\n", pc, offset*2,mem_mask);
return 0xff;//space->machine().rand();
case m68307SER_UISR_UIMR:
logerror("%08x m68307_internal_serial_r %08x, (%04x) (UISR - Interrupt Status Register)\n", pc, offset*2,mem_mask);
return space->machine().rand() & 0x87;
default:
logerror("%08x m68307_internal_serial_r %08x, (%04x)\n", pc, offset*2,mem_mask);
break;
}
}
return 0x0000;
}
WRITE16_HANDLER( m68307_internal_serial_w )
{
m68ki_cpu_core *m68k = m68k_get_safe_token(&space->device());
m68307_serial* serial = m68k->m68307SERIAL;
assert(serial != NULL);
int pc = cpu_get_pc(&space->device());
if (serial)
{
switch (offset<<1)
{
case m68307SER_USR_UCSR:
logerror("%08x m68307_internal_serial_r %08x, (%04x) (UCSR - Clock Select Register)\n", pc, offset*2,mem_mask);
break;
case m68307SER_URB_UTB:
logerror("%08x m68307_internal_serial_w %08x, %04x (%04x) (UTB - Transmit Buffer)\n", pc, offset*2,data,mem_mask);
break;
case m68307SER_UISR_UIMR:
logerror("%08x m68307_internal_serial_w %08x, %04x (%04x) (UIMR - Interrupt Mask Register)\n", pc, offset*2,data,mem_mask);
break;
case m68307SER_UIVR:
logerror("%08x m68307_internal_serial_w %08x, %04x (%04x) (UIVR - Interrupt Vector Register)\n", pc, offset*2,data,mem_mask);
COMBINE_DATA(&serial->m_uivr);
break;
default:
logerror("%08x m68307_internal_serial_w %08x, %04x (%04x)\n", pc, offset*2,data,mem_mask);
}
}
}
void m68307_serial::reset(void)
{
}
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