SGDK 1.40 (may 2019)

COMPILER

• RESCOMP
  • rewrote from scratch in java for easier evolution and easy multi OS support.
  • added smart sprite cutting (detect empty space in sprite)
  • many changes on SPRITE resource, don't forget to read the rescomp.txt file to see changes about this resource.
  • can now disable map optimization for IMAGE resources (see rescomp.txt for more information)
• LZ4W
  • added code sources (java)
  • fixed compression using previous data block in ROM (updated packer to version 1.4)
• BINTOS
  • fixed a stupid bug on path.
• added XGM ROM builder tool sources.
• removed RESCOMP (C version), WAVTORAW, TFMCOM and Z80DASM tools.
• added Visual Studio template.

LIBRARY

• SYS
  • added SYS_setVIntAligned(..) method to force V-Int callback to align process on VBlank.
    IMPORTANT: by default now SGDK does align the V-Int processing to VBlank so you need to disable it if you don't want it !
  • added SYS_getCPULoad() to return CPU load estimation.
  • added SYS_resetMissedFrames() / SYS_getMissedFrames() methods.
• DMA
  • simplified DMA over capacity strategy
  • minor change in debug log message
• SPRITE
  • renamed SPR_init(..) to SPR_initEx(..) so now SPR_init() doesn't require any parameters by default.
  • removed 'maxSprite' parameter from Sprite Engine initialization (alays use max available).
  • added delayed frame update support.
  • added SPR_FLAG_DISABLE_DELAYED_FRAME_UPDATE flag to disable the delayed frame update (when we are running out of DMA capacity).
  • added SPR_setDelayedFrameUpdate() to change the delayed frame update state for a sprite.
  • added SPR_FLAG_INSERT_HEAD flag to allow adding new sprite in first position (instead of last position by default)
  • added SPR_defragVRAM() method to force VRAM defragmentation
  • added SPR_addSpriteSafe(..) and SPR_addSpriteExSafe(..) methods (automatically do VRAM defrag if needed)
  • fixed a bug where the last VDP sprite attribute weren't always correctly updated with visibility set to AUTO_SLOW.
  • fixed a bug a sprite couldn't be allocated.
  • fixed sprite visibility state when the number of used sprite changed.
  • many changes to sprite structures (better handling of flip info, better ROM usage...)
• VDP
  • added VDP_showCPULoad() method to display CPU load
  • added VDP_waitVInt() method to wait until next VInt to happen.
  • removed 'waitvsync' parameter for VDP_initFading(..) and VDP_doStepFading(..) methods (we always want VSync here)
  • simplified / tweaked macros for VDP control writes
• VRAM
  • added VRAM_getAllocated(..) and VRAM_getLargestFreeBlock(..) methods
• TYPE
  • added bool type
  • replaced u16 by bool where it needs to be
• MATHS
  • updated fix32Mul() and fix32Div() definition (again, trying to find the best compromize)
  • added new missing structures as Vect2D_f32, Mat2D_f32, Vect3D_xx...
  • added f16 and f32 as shorcut of fix16 and fix32 types.
  • added short typedefs (V2u16 = Vect2D_u16, V2f32 = Vect2D_f32, M2f16 = Mat2D_f16, M3f32 = Mat3D_f32)
• PALETTE
  • removed index field from Palette structure
• JOY
  • added checking for mouse / multipad read operation to avoid timeout operation when mouse or multipad is not present.
• Z80
  • added volatile access for safety
• TIMER
  • improved waitMs(..) method to be more accurate on small wait.
  • tweaked getSubTick() method (need testing, possible regression)
• STRING
  • fixed and optimized uintToStr() method
• TOOL
  • memory allocation methods for unpacking now always use deep allocation regardless of the compression used (simpler and less bug prone)
  • fixed LZ4W decompression using previous data block
• fixed variable initialization (last byte was not always properly initialized)
• added HALT_Z80_ON_IO define (config.h) to force Z80 halt on IO port access.
• new awesome SGDK logo (Thanks a tons to Lizardrive for making it !)
• removed useless sound drivers (MVS, TFM and VGM)
• removed old TILE_CACHE unit (replaced by VRAM unit)
• removed useless zlib
• many refactoring (sorry for that, you will need to update your old code)
• many tweaks / cleanup

SAMPLE

• updated all samples to take care of last changes made in SGDK
• BENCHMARK
  • tweaked big sprite test to disable the delayed sprite update (new sprite engine feature)
  • fixed sheet size (new rescomp don't allow it)

SGDK 1.34 (January 2018)

LIBRARY

• DMA
  • added DMA queue support for all (or almost all) methods supporting DMA operation
• SPRITE
  • fixed timing issue when changing FRAME or ANIMATION manually.
  • fixed sprite sorting when multiple depth were modified in a single SPR_update(..).
  • safer sprite allocation / release.
• MEMORY
  • added MEM_getLargestFreeBlock() to get the largest available block of memory.
• improved LZ4W compression (better compression rate, faster compression...)
• minors changes on method updating tilemap through X,Y position (safer)
• some cleanup

SAMPLE

• reworked benchmark sample to avoid out of memory error (^^)

SGDK 1.33 (November 2017)

LIBRARY

• DMA
  • added HALT_Z80_ON_DMA flag in config.h to enable Z80 halt on DMA (avoid corruptions or sound issues on Tectoy MD).
  • deprecated 'vdp_dma' unit now forward calls to 'dma' unit.
  • added wait DMA checking (DMA fill or DMA copy operation) before doing a DMA operation.
• SPRITE
  • simplified sprite sorting (always enabled, just need to use SPR_setDepth(..) method if needed)
  • fixed a regression which was causing 1 frame latency in sprite update.

SAMPLE

• minor change to sound sample

SGDK 1.32 (October 2017)

COMPILER

• added VS project for easier compilation with Visual Studio (thanks to lab313)

LIBRARY

• TIMER
  • fixed getSubTick() method (no more possible rollback)
  • minor fix in getFPS() and getFPS_f() methods
• VDP
  • tweaked default VRAM memory layout
• BITMAP
  • changed get/setPixelXXX(..) methods so they now work on single pixel (not anymore doubled X pixel resolution)
  • changed drawLine(..) method so it now work on single pixel (not anymore doubled X pixel resolution).
    WARNING: drawLine(..) is not anymore doing clipping, use BMP_clipLine(..) first for that.
  • added get/setPixelXXXFast(..) methods for fast get/set pixel operation (no clipping check)
• SOUND
  • fixed auto PCM selection when playing sample with driver 2ADPCM and 4PCM.
  • fixed default tempo for PAL system with XGM driver
• SPRITE
  WARNING: you now require to set the sprite depth to use depth sorting (not anymore using the sprite Y position).
  • replaced SPR_FLAG_AUTO_YSORTING by SPR_FLAG_AUTO_DEPTH_SORTING
  • replaced SPR_setYSorting(..) method by SPR_setDepthSorting(..) / SPR_setZSorting(..)
  • replaced SPR_sortOnYPos() by SPR_sortOnDepth()
  • added void SPR_setDepth(..) / SPR_setZ(..) methods to set sprite depth
  • fixed VDP_updateSprites() with DMA queue operation (prevent sprite table modifications before DMA occurs).
• STRING
  • added int16ToStr(..) and uint16ToStr(..) methods (faster than intToStr(..) or uintToStr(..) for 16 bit integer, thanks to clbr)
  • optimized intToStr(..) and uintToStr(..) methods (thanks to clbr for that)

SAMPLE

• added XGM Player sample :)
• Bench
  • added some pixels / line draw tests
• Donuts
  • updated for new depth sorting refactoring

SGDK 1.31 (July 2017)

DOCUMENTATION

• minor fix and updated to last version

COMPILER

• fixed debug build in 'build_lib' batch

LIBRARY

• JOY:
  • fixed joy state variables declaration to avoid issues when GCC -O3 optimization level is used.
• SPRITE:
  • added ALWAYS_ON_TOP flag to keep a sprite above others sprites whatever is sorting order.
  • minor fix on sprite sort

SGDK 1.30 (June 2017)

DOCUMENTATION

• updated to last version

COMPILER

• Updated to GCC 6.3 (thanks a tons to Gligli for that !)
  • many bugs fix and new features compared to old GCC 3.4.6
  • much better assembly code generation :)
  • added LTO (Linker Time Optimization) support
• Modified makefile to enable LTO and improve optimization level.
• Rescomp:
  • updated to handle structure changes in the Sprite Engine.

LIBRARY

• DMA:
  • minor optimization to DMA_queue(..) method (thanks to HpMan)
• Memory:
  • default stack size increased to 0x800 bytes (GCC 6.3 requires more stack memory :p)
• Sprite Engine:
  • added automatic Y sorting (per sprite)
  • added SPR_sort(..) for generic sorting on whole sprite list
  • added SPR_sortOnY(..) to sort the whole sprite list on Y coordinate
  • by default now sprite visibility is set to always ON (faster than automatic visibility)
  • updated 'Collision' structure (hierarchical structure)
  • some changes to internal structures to provide better performance
• VDP BG/Tile:
  • fixed a minor bug in VDP_setTileMapDataEx(..) and VDP_setTileMapDataRectEx(..) methods (thanks to Alekmaul for reporting it)
• minors fixes...

SAMPLE

• Bench:
  • fixed math tests for GCC 6.3

SGDK 1.22a (September 2016)

(September 2016)

LIBRARY

• VDP: reintroduced the 16 plain system tiles.

SGDK 1.22 (September 2016)

DOCUMENTATION

• minors improvements and fixes

COMPILER

• Rescomp: fixed a minor issue in sprite resource
• XGMTool:
  • added duration information to XD3 tag
  • improved loop
• added the XGM ROM builder tool.
• removed GenRes from makefile

LIBRARY

• Sprite Engine:
  • fixed sprite attribut update for non visible sprite
  • fixed sprite list update in certain condition
• Sound:
  • moved XGM driver method in a specific unit (xgm.c)
  • added XGM_getElapsed(..) method to retrieve elapsed XGM music playing time (in number of frame)
  • added XGM_setLoopNumber(..) to set the wanted number of loop in XGM music play.
  • added interrupt protection for Z80 access
• Maths:
  • reverted fix32Mul() and fix32Div() to previous version to avoid cumulative error
  • added getApproximatedLog2(..) method for fast Log2 calculation (approximated)
  • added getLog2Int(..) method for integer Log2 calculation
• Misc:
  • moved QSort methods to tools
  • added generic qsort with custom comparator callback
• VDP: more flexible VRAM tilemap configuration (window plan don't have to be first map).
• Bitmap mode: can now set bitmap mode in window plan
• changed to MIT license
• refactoring

SAMPLE

• Bench: added sprite donut animation test.