static void FLAGSI( mb86233_state *cpustate, UINT32 v )
{
GETSR() = 0;
if ( v == 0 )
GETSR() |= ZERO_FLAG;
if ( v & 0x80000000 )
GETSR() |= SIGN_FLAG;
}
void mb86233_cpu_device::FLAGSI( UINT32 v )
{
GETSR() = 0;
if ( v == 0 )
GETSR() |= ZERO_FLAG;
if ( v & 0x80000000 )
GETSR() |= SIGN_FLAG;
}
static void FLAGSF( mb86233_state *cpustate, float v )
{
GETSR() = 0;
if ( v == 0 )
GETSR() |= ZERO_FLAG;
if ( v < 0 )
GETSR() |= SIGN_FLAG;
}
void mb86233_cpu_device::FLAGSF( float v )
{
GETSR() = 0;
if ( v == 0 )
GETSR() |= ZERO_FLAG;
if ( v < 0 )
GETSR() |= SIGN_FLAG;
}
static int COND( mb86233_state *cpustate, UINT32 cond )
{
switch( cond )
{
case 0x00: /* eq */
if ( (GETSR() & ZERO_FLAG) ) return 1;
break;
case 0x01: /* ge */
if ( (GETSR() & ZERO_FLAG) || ((GETSR() & SIGN_FLAG)==0) ) return 1;
break;
case 0x02: /* le */
if ( (GETSR() & ZERO_FLAG) || (GETSR() & SIGN_FLAG) ) return 1;
break;
case 0x06: /* never */
break;
case 0x0a:
if(GETSR() & EXTERNAL_FLAG) return 1;
break;
case 0x10: /* --r12 != 0 */
GETGPR(12)--;
if ( GETGPR(12) != 0 ) return 1;
break;
case 0x11: /* --r13 != 0 */
GETGPR(13)--;
if ( GETGPR(13) != 0 ) return 1;
break;
case 0x16: /* always */
return 1;
default:
logerror( "TGP: Unknown condition code (cc=%d) at PC:%x\n", cond, GETPC());
break;
}
return 0;
}