CPU::CPU()
{
name = "CPU";
debug(2, " Creating CPU at address %p...\n", this);
// Chip model
chipModel = MOS6510;
// Establish callback for each instruction
registerInstructions();
// Clear all breakpoint tags
for (int i = 0; i < 65536; i++) {
breakpoint[i] = NO_BREAKPOINT;
}
}
CPU::CPU()
{
setDescription("CPU");
debug(3, " Creating CPU at address %p...\n", this);
// Chip model
chipModel = MOS6510;
// Establish callback for each instruction
registerInstructions();
// Clear all breakpoint tags
for (int i = 0; i < 65536; i++) {
breakpoint[i] = NO_BREAKPOINT;
}
// Register snapshot items
SnapshotItem items[] = {
// Lifetime items
{ &chipModel, sizeof(chipModel), KEEP_ON_RESET },
// Internal state
{ &A, sizeof(A), CLEAR_ON_RESET },
{ &X, sizeof(X), CLEAR_ON_RESET },
{ &Y, sizeof(Y), CLEAR_ON_RESET },
{ &PC, sizeof(PC), CLEAR_ON_RESET },
{ &PC_at_cycle_0, sizeof(PC_at_cycle_0), CLEAR_ON_RESET },
{ &SP, sizeof(SP), CLEAR_ON_RESET },
{ &N, sizeof(N), CLEAR_ON_RESET },
{ &V, sizeof(V), CLEAR_ON_RESET },
{ &B, sizeof(B), CLEAR_ON_RESET },
{ &D, sizeof(D), CLEAR_ON_RESET },
{ &I, sizeof(I), CLEAR_ON_RESET },
{ &Z, sizeof(Z), CLEAR_ON_RESET },
{ &C, sizeof(C), CLEAR_ON_RESET },
{ &opcode, sizeof(opcode), CLEAR_ON_RESET },
{ &addr_lo, sizeof(addr_lo), CLEAR_ON_RESET },
{ &addr_hi, sizeof(addr_hi), CLEAR_ON_RESET },
{ &ptr, sizeof(ptr), CLEAR_ON_RESET },
{ &pc_lo, sizeof(pc_lo), CLEAR_ON_RESET },
{ &pc_hi, sizeof(pc_hi), CLEAR_ON_RESET },
{ &overflow, sizeof(overflow), CLEAR_ON_RESET },
{ &data, sizeof(data), CLEAR_ON_RESET },
{ &port, sizeof(port), KEEP_ON_RESET }, // Reset in C64Memory::reset
{ &port_direction, sizeof(port_direction), KEEP_ON_RESET }, // Reset in C64Memory::reset
{ &external_port_bits, sizeof(external_port_bits), CLEAR_ON_RESET },
{ &rdyLine, sizeof(rdyLine), CLEAR_ON_RESET },
{ &irqLine, sizeof(irqLine), CLEAR_ON_RESET },
{ &nmiLine, sizeof(nmiLine), CLEAR_ON_RESET },
{ &nmiEdge, sizeof(nmiEdge), CLEAR_ON_RESET },
{ &interruptsPending, sizeof(interruptsPending), CLEAR_ON_RESET },
{ &nextPossibleIrqCycle, sizeof(nextPossibleIrqCycle), CLEAR_ON_RESET },
{ &nextPossibleNmiCycle, sizeof(nextPossibleNmiCycle), CLEAR_ON_RESET },
{ &errorState, sizeof(errorState), CLEAR_ON_RESET },
{ &callStack, sizeof(callStack), CLEAR_ON_RESET | WORD_FORMAT },
{ &callStackPointer, sizeof(callStackPointer), CLEAR_ON_RESET },
{ &oldI, sizeof(oldI), CLEAR_ON_RESET },
{ NULL, 0, 0 }};
registerSnapshotItems(items, sizeof(items));
}
