public MachineCPU(int cpu_type, int cpu_clock,
MemoryReadAddress[] memory_read, MemoryWriteAddress[] memory_write,
IOReadPort[] port_read, IOWritePort[] port_write,
vblank_interrupt_callback vblank_interrupt, int vblank_interrupts_per_frame,
vblank_interrupt_callback interrupt = null, int ips = 0)
{
this.cpu_type = cpu_type; this.cpu_clock = cpu_clock;
this.memory_read = memory_read; this.memory_write = memory_write;
this.port_read = port_read; this.port_write = port_write;
this.vblank_interrupt = vblank_interrupt; this.vblank_interrupts_per_frame = vblank_interrupts_per_frame;
this.timed_interrupt = interrupt;
this.timed_interrupts_per_second = ips;
}
IOWritePort[] install_port_write_handler_common(int cpu, int start, int end, mem_write_handler handler, int install_at_beginning)
{
int i, oldsize;
oldsize = writeport_size[cpu];
writeport_size[cpu]++;
if (writeport[cpu] == null)
{
writeport[cpu] = new IOWritePort[writeport_size[cpu]];
}
else
{
Array.Resize<IOWritePort>(ref writeport[cpu], writeport_size[cpu]);
}
if (writeport[cpu] == null) return null;
if (install_at_beginning != 0)
{
/* can't do a single memcpy because it doesn't handle overlapping regions correctly??? */
for (i = oldsize; i >= 1; i--)
{
Array.Copy(writeport[cpu], i - 1, writeport[cpu], i, 1);
//memcpy(&writeport[cpu][i], &writeport[cpu][i - 1], sizeof(struct IOWritePort));
}
i = 0;
}
else
{
i = oldsize;
}
writeport[cpu][i] = new IOWritePort();
writeport[cpu][i].start = start;
writeport[cpu][i].end = end;
writeport[cpu][i].handler = handler;
return writeport[cpu];
}