import type { MemoryMap, Hardware, PcHook, MemoryRegion, MachineInterface } from './types.js';
export interface Z80TestMachineConfig {
    /** Memory layout — write protection, default addresses */
    memoryMap?: MemoryMap;
    /** Hardware peripherals — I/O ports, hooks, stubs */
    hardware?: Hardware;
    /** ROM data to load into memory */
    rom?: Uint8Array;
    /** Address at which to load ROM (overrides memoryMap.defaultRomLoadAddress, default: 0x0000) */
    romLoadAddress?: number;
    /** Binary images to load into memory: [address, data] pairs */
    regions?: MemoryRegion[];
    /** Initial stack pointer (overrides memoryMap.defaultStackPointer) */
    stackPointer?: number;
    /** Additional PC-triggered hooks (merged with hardware.hooks) */
    hooks?: Map<number, PcHook>;
    /** Additional stub addresses (merged with hardware.stubs) */
    stubs?: number[];
}
export declare class Z80TestMachine implements MachineInterface {
    private memory;
    private cpu;
    private tStates;
    private mergedHooks;
    constructor(config?: Z80TestMachineConfig);
    get regs(): import("z80-base").RegisterSet;
    readByte(addr: number): number;
    writeByte(addr: number, val: number): void;
    readWord(addr: number): number;
    writeWord(addr: number, val: number): void;
    writeBlock(addr: number, data: Uint8Array | number[]): void;
    /**
     * Run from a specific address.
     * Pushes sentinel return address onto stack, runs until HALT or cycle limit.
     * Returns the number of T-states consumed.
     */
    runFrom(addr: number, cycleLimit?: number): number;
    /** Get the number of T-states from the last run */
    get elapsedTStates(): number;
}
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