STATIC_INLINE void ciaa_checkalarm (int inc)
{
if (checkalarm (ciaatod, ciaaalarm, inc)) {
ciaaicr |= 4;
RethinkICRA ();
}
}
STATIC_INLINE void ciab_checkalarm (int inc)
{
if (checkalarm (ciabtod, ciabalarm, inc)) {
ciabicr |= 4;
RethinkICRB ();
}
}
STATIC_INLINE void ciab_checkalarm (int inc)
{
// hack: do not trigger alarm interrupt if KS code and both
// tod and alarm == 0. This incorrectly triggers on non-cycle exact
// modes. Real hardware value written to ciabtod by KS is always
// at least 1 or larger due to bus cycle delays when reading
// old value.
if ((munge24 (m68k_getpc ()) & 0xFFF80000) == 0xF80000) {
if (ciabtod == 0 && ciabalarm == 0)
return;
}
if (checkalarm (ciabtod, ciabalarm, inc)) {
ciabicr |= 4;
RethinkICRB ();
}
}
