/* $bc CPX extended -**** (6803) */
INLINE void cpx_ex( void )
{
UINT32 r,d;
PAIR b;
EXTWORD(b);
d = X;
r = d - b.d;
CLR_NZVC; SET_FLAGS16(d,b.d,r);
}
/* $bc CMPX extended -***- */
INLINE void cmpx_ex( void )
{
UINT32 r,d;
PAIR b;
EXTWORD(b);
d = X;
r = d - b.d;
CLR_NZV;
SET_NZ16(r); SET_V16(d,b.d,r);
}
/* $fc ADDX extended -**** NSC8105 only. Flags are a guess */
INLINE void addx_ex( void )
{
UINT32 r,d;
PAIR b;
EXTWORD(b);
d = X;
r = d + b.d;
CLR_NZVC;
SET_FLAGS16(d,b.d,r);
X = r;
}
/* $b3 SUBD extended -**** */
INLINE void subd_ex( void )
{
UINT32 r,d;
PAIR b;
EXTWORD(b);
d = D;
r = d - b.d;
CLR_NZVC;
SET_FLAGS16(d,b.d,r);
D=r;
}
/* $f3 ADDD extended -**** */
M6800_INLINE void addd_ex( void )
{
UINT32 r,d;
PAIR b;
EXTWORD(b);
d = D;
r = d + b.d;
CLR_NZVC;
SET_FLAGS16(d,b.d,r);
D = r;
}
/* $bc CMPX extended -***- */
INLINE void cmpx_ex( void )
{
#if 0
UINT32 r,d;
PAIR b;
EXTWORD(b);
d = X;
r = d - b.d;
CLR_NZV;
SET_NZ16(r); SET_V16(d,b.d,r);
#else
PAIR r,d,b;
EXTWORD(b);
d.d = X;
r.w.l = d.b.h - b.b.h;
CLR_NZV;
SET_N8(r.b.l);
SET_V8(d.b.h, b.b.h, r.w.l);
r.d = d.d - b.d;
SET_Z16(r.d);
#endif
}
/* $fe LDX extended -**0- */
INLINE void ldx_ex( void )
{
EXTWORD(m6808.x);
CLR_NZV;
SET_NZ16(X);
}
/* $fc LDD extended -**0- */
INLINE void ldd_ex( void )
{
EXTWORD(m6808.d);
CLR_NZV;
SET_NZ16(D);
}
/* $be LDS extended -**0- */
INLINE void lds_ex( void )
{
EXTWORD(m6808.s);
CLR_NZV;
SET_NZ16(S);
}