Qaop - ZX Spectrum emulator

This is homepage of Qaop, a ZX Spectrum emulator. Qaop is a Java applet which can be embedded on a page, but can also be run as a simple application.

  • Emulates Speccy 48K.
  • Good Z80 and screen emulation.
  • Sound: speaker and AY.
  • Loads SNA and Z80 snaps.
  • Loads TAP tapes.
  • Supports Gzip and ZIP compression.
  • 2x zoom.

» Run it online.

Download

[QAOP]
Binary: qaop.jar (45k)
Source: qaop-1.4.tar.gz (2011-11-11)

This software is released under the GNU GPL licence. If you use modified version, don't forget to put sources on the web.

PARAMETERS

loadsnapshot (Z80, SNA) or cartridge (ROM) to run, tape (TAP) to autoload.
tapetape image (TAP).
romalternative ROM image.
if1romInterface 1 ROM image. Device itself is not emulated.
focusgrab focus on start (default 1).
ayenable AY (default 0).
mutedno sound on start (default 0).
volumevolume level (0..100, default 40).
maskoverlay image (eg. tv.png). Slows down.
arrowsredefine arrow keys.

You may specify file within ZIP using fragment identifier (eg. name.zip#game.tap). Otherwise first suitable file will be selected.

The "arrows" parameter consists of up to four chars representing keys (in LRUD order). Use lowercase letters for alpha keys, C [Caps Shift], S [Symbol Shift], _ [Space], E [Enter].

METHODS

reset()reset Spectrum.
pause(y)pause (true or false).
load(file)load snapshot or tape.
tape(file)insert tape. (pass null to remove)
save()return data URL to current state (Z80 snapshot).
mute(y)silence (true or false).
volume()
volume(v)		get/set volume level (0..100).
state()emulator state
bit 0:paused, 1:loading, 2:muted.
mask(file)change overlay. (pass null to clear)

KEYS

Shift,[caps shift
Ctrl,Alt,]symbol shift
Tabextended mode
Escedit
CtrlDelreset Spectrum
F11mute
PgUp,PgDnchange sound volume
Pausetoggle pause

HTML example:

    <applet name=qaop archive=qaop.jar code=Qaop width=320 height=256>
    <param name=load value=demo.tap>
    <param name=ay value=1>
    </applet>

(Don't forget to upload qaop.jar on the server)

Mime types

Qaop recognizes following MIME types:

application/zipZIP archive
application/x.zx.romROM image
application/x.zx.tapTAP file
application/x.zx.snaSNA snapshot
application/x.zx.z80Z80 snapshot
(append .gz for gzipped variants; Content-Encoding is also recognized)

As a fallback, type recognition based on filename extension is used.

Derivatives: See also: Sites using Qaop:
(mostly retrogaming)
« home Jan Bobrowski