Atari 800模擬器Altirra 1.5發佈

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Atari 800模擬器Altirra發佈新版，更新如下:

   [features added]
   * Added option to redirect P: to a text pane.
   * UI: Added handing for gamepads being added or pulled during execution.
   * UI: Rewrote input system and added general input mapper.
   * UI: Added options for controlling display stretching and aspect ratio.
   * UI: Added better handling for cases in which a requested firmware ROM is not available.
   * UI: Added option to control overscan display.
   * UI: Mounted disks and cartridges are saved and restored across runs.
   * UI: FPS display in window caption is now optional.
   * UI: System configuration is now shown on the window caption.
   * POKEY: Added volume control.
   * Simulator: Added "Other" firmware option to load an otheros.rom custom kernel (16K XL).
   * Cassette: Added seek UI.
   * Cassette: Reworked playback indicator.
   * GTIA: Added option to blend adjacent frames to reduce flicker.
   * GTIA: Added System > Video > Adjust Colors.
   * GTIA: Added support for interlaced output.
   * Disk: Added sector counter option.
   * Disk: Increased max drive count to 8.
   * Disk: Added burst transfer mode compatible with SpartaDOS X.
   * Disk: Get Status and Read PERCOM Block commands are now accelerated.
   * Disk: Lazy writes are now incremental.
   * VBXE: Initial emulation support.
   * Misc: Added R-Time 8 support.
   * Debugger: Added list nearest symbol (ln) command.
   * Debugger: "Go to Source" command now asks for source file location if it cannot be found.

   [bugs fixed]
   * HLE: Improved compatibility of screen editor.
   * HLE: Fixed bug in emulated math pack that broke Atari Basic.
   * Debugger: Fixed crash when a source file couldn't be found.
   * Debugger: Auto-loading of symbols for executable files works again.
   * Debugger: Source windows no longer recenter when toggling breakpoints.
   * Debugger: Fixed misspelled SKRES symbol.
   * ANTIC: Fixed incorrect CPU timing for STA WSYNC + PHA combination.
   * ANTIC: Vertical scroll bit is now kept across VBLANK if display list is too long.
   * ANTIC: Fixed timing of display list DMA enable changes (DMACTL bit 5).
   * ANTIC: Internal line buffer is no longer cleared when repeating mode lines with display list DMA disabled.
   * ANTIC: Mode lines can now repeat across VBLANK with display list DMA disabled.
   * ANTIC: Added emulation of bug where VBLANK can fail to occur if scan line 247 is a hires line.
   * POKEY: Fixed reading of POT timers before pot counters have stabilized.
   * CPU: Implemented SBX instruction ($CB).
   * Disk: Increased reliability of lazy flush mechanism.
   * Disk: Fixed PERCOM block for large disk images.
   * Disk: Fixed boot sector count for 512 byte/sector images.
   * Disk: Hard disk (H: ) no longer goes away on a warm reset.
   * Disk: Reverted change to raise RTCLOK on SIO acceleration to fix bugs with programs that monitor RTCLOK from a VBI handler.
   * UI: Mouse capture is automatically released when the simulator stops.
   * UI: Fixed USER handle leaks.
   * Simulator: 1088K memory mode no longer disables self-test bit when extended RAM is disabled.
   * LLE: Fixed cartridge initialization.
   * LLE: Fixed BASIC ROM switching.
   * LLE: K: open/close calls are now implemented.
   * LLE: Added initial math pack implementation.
   * LLE: SIO now shuts off all audio channels.

http://www.virtualdub.org/altirra.html