I gather below up update point from Ver 0.205 which is the last official version. An update point diverges into many branches, but for a main thing it is:

• Improvement of basic emulation precision.
  
• Implementation of the tip which I called FX and CX4.
  
• A revision of a bug.
  
• Addition of a setting item.

0.215 official versions

• I implement a nonimplement command of CX4.
  
• I revise a bug of a CX4 command.
  
• I implement a state save of CX4.
  
• I change the number of the execution cycle of FX.
  
• A window is a revision of a bug to fail when I perform window size adjustment at the time of window maximization.
  
• Without a refresh rate founding setting DIALOG once in environment except 60Hz. A revision of a bug to crash when I perform a full screen change.

0.215 beta5

• When there was not one available resolution in a full-screen mode, it is revised the bug that crashed.
  
• When resolution did not change, at the time of a full screen change, I revise that behavior was funny.
  
• I change it to be able to choose 32bpp in a full-screen mode.
  
• I change it I am dynamic and load DrawShadowText, and to use it.
  
• A revision of the bug that did not start in Windows 2000.
  
• When I display / covering title bar, I revise it so that a window does not flicker.
  
• I revise that menu indication was funny in Windows Vista.
  
• A revision of a bug to rarely fall for memory violation at the time of sound setting reflection.
  
• Precision improvement of a sound tempo fixed function.
  
• I add 50ms to Mayor of buffer of sound.
  
• I increased some Mayor of buffer margins at the time of sound generation.
  
• I revise that implementation of Sprite indication restrictions was not right.
  
• Addition of key bind to start a setting dialogue.
  
• I change it to store an indication page of a setting dialogue.

0.215 beta3

• I change a composition method in a para-high definition mode.
  
• I change it to perform fixation-colored composition in a para-high definition mode.
  
• Interlaced cancellation implementation.
  
• A revision of the bug that it was assumed that there was no mark in a multiplier by multiplication / accumulation disposal of SA -1s, and was handled.
  
• I revise a wraparound in an address calculation of stack.
  
• I revise that a judgment of 25 mode memory mapping was funny.
  
• It is added a SSE2 cord to an enlarged filter 2 times.
  
• I stop having used movntq by a conversion routine (MMX2) to RGB32.
  
• I implement a reset / mute function of spc-dsp.
  
• I change it to clear a register at the time of reset of spc-dsp properly.
  
• I change a numeration of a highly precise FIR filter.
  
• I change it to reset the エンベローブ output in Keown
  
• I change it I am dynamic, and to decide interrupt frequency of a sound mixer
  
• I add liberation to shortcut key
  
• I add the option which does not distinguish right and left of shift,alt,ctrl by the input of shortcut key.
  
• Addition of a function to cover a menu.
  
• Addition of a function to cover a caption and a menu at the time of window maximization automatically.
  
• Addition of a function to read the image that I read last at the time of start.
  
• A revision of a bug to fall when I reset it after liberation.

0.215 beta2

• I change some default setting.
  
• I revise that the function that does not admit plural start did not act.
  
• A revision of a bug to be hung up when I perform a full screen change at the time of background movement.
  
• I change a state-related indication message.
  
• I revise behavior of a window mask.
  
• I implement indication restrictions of Sprite.
  
• I revise memory mapping.
  
• I revise an SPC-related state reconstruction routine.

0.215 beta1

CPU

• I revise a wraparound at the time of 16bit access.
  
• I revise memory access at the time of stack operation to go through IO.
  
• Implementation of MDR emulation.

DMA

• I change an HDMA timing.
  
• When NMI was done trigger of in DMA, I change it to raise NMI after waiting for a number order after the DMA end.
  
• I change a register reset at the time of a frame start of HDMA.
  
• A revision of the bug that the Hbank end was not performed.

Mapper

• I revise a judgment cord of SA-1,FX
  
• A Mode25 mapping revision.

FX

• I revise behavior of ASR.
  
• I revise BLT, behavior of BGE.
  
• I revise behavior of overflow in subtraction.
  
• I implement each mode of PLOT.
  
• I revise behavior of a mark flag and zero flag of MERGE.
  
• I revise behavior of LJMP.
  
• I revise that inside handling of flag operation was wrong.
  
• I revise movement of D lace lot.
  
• I revise a bug at the time of state reading.

GUI

• I revise careful words of a setting dialogue.
  
• I revise that an option to make plural start possibility did not work.

Rendering

• I change it not to forward rendering for a difference.
  
• I change it to do a triple buffer of sound in a multi-thread.
  
• I change it not to publish GetSurfaceDesc for primary surface.
  
• A revision of the bug that letter information is not displayed at the time of side method resize recently.
  
• I change it not to clear a screen at the time of resize.
  
• I improve implementation of a sound tempo fixed function.
  
• When I gave a menu in a full screen, it is revised the bug that garbage is left by a screen.
  
• I change algorithm of sound mixing.

Others

• I largely arrange a memory mapping-related cord.
  
• I revise timings such as HBlank.
  
• It is supported a state file before Ver1.1.
  
• A revision of the bug that there is the case that a port of SPC is not stored at the time of a state save definitely.
  
• I revise behavior at the time of window mask turning over.
  
• It is supported a PAL title partly.

0.210 beta1

Emulation

• I revise movement of a multitap.
  
• Automatic distinction reinforcement of an image.
  
• I revise a judgment of a 48M type image.
  
• Para-high definition mode implementation.
  
• I revise a window mask effect of main screen.
  
• I revise a drawing ,H-Blank timing.
  
• I revise behavior of Sprite range over in a forced blank.

Expansion

• FX implementation.
  
• CX4 implementation.

SA1

• I revise that I made a mistake in a control bit of an NMI vector.
  
• I revise that interrupt control was wrong.
  
• I revise movement of a state register.
  
• I revise behavior at the time of 0 division.

BS

• I revise a size calculation method of an image.
  
• Optional addition I distribute information of a body portion, and to store.

Sound

• I add a volume adjustment function.

UI

• I add setting confirming that it is finished.
  
• I change a design of a setting dialogue to some extent.
  
• I change it to maximize a window when I double-clicked a client area.
  
• It is moved channel mask setting by a detailed setting dialogue.
  
• I add a sound effective / invalidity change to a menu and short cut.
  
• Screenshot function addition. When BMP,PNG,JPG,GIF,TIF does not enter in GDI+ introduction environment, I save it in BMP.

Others

• I change a compiler in VC8.
  
• It is revised some bugs pro-memory destruction.
  
• In a high-resolution mode, I revise what a screen sometimes changed itself into.
  
• Part routines such as color conversion SSE2. There is very no effect.
  
• I write it as a video system in various ways again.