Projects / FBZX


FBZX is another Sinclair Spectrum emulator for Linux, but with an special feature: it works with the framebuffer, so it can work at full speed and full screen. Its main features are extremely accurate emulation of screen and sound (both speaker and AY-3-8912 sound chip), emulation of joysticks (kempston, cursor, and Sinclair), and emulation of 48K (both issue 2 and issue 3), classic 128K, Plus 2, and Plus 2A. It supports Z80 snapshot files (both loading and saving) and TAP files (allowing normal loading or fast-speed loading).

Operating Systems

RSS Recent releases

  •  08 Aug 2012 23:06

    Release Notes: This release fixes CPIR, CPDR, INI, INIR, IND, INDR, OUTI, OTIR, OUTD, and OTDR instructions, fixes RETI and RETN instructions to better mimic the original behavior, and rewrites the AY-3-8912 code, greatly improving the emulation.

    •  23 May 2012 02:51

      Release Notes: This release fixes CPIR and CPDR so Ant Attack works fine, makes CPIR and CPDR set the N bit, makes access to the ULAPLUS registers produce memory contention (as it should be), and initializes some registers when loading a .sna snapshot.

      •  20 May 2012 18:37

        Release Notes: Fixes OUTI, OTIR, OUTD and OTDR: now decrements B before doing OUT. The snapshot management functions no longer use so much stack memory. A bug in screen painting with big endian machines has been fixed. Key order for Sinclair Joystick #2 has been fixed. The Z80 emulator tests have been fixed for big endian machines. The annoying sound when reseting the emulator has been removed.

        •  06 Dec 2011 22:24

          Release Notes: This release adds support for 320x240 mode. It remembers again the last mode used (48K, 128K, etc.).

          •  04 Dec 2011 01:49

            Release Notes: This release adds ULAPlus support, fixes a little bug when loading ROMs, and allows going to submenus from the HELP menu.


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