Following features are deprecated and will be removed in a future release: - SDL 2.x "bUseSdlRenderer" config and "GPU scaling" GUI options (after HW support for SDL2 is available widely enough) - The "external" disassembler (i.e. use "--disasm uae" instead) - Hatari XBios(255) API enabled with the "--bios-intercept" option (i.e. use "--natfeats" & "--cmd-fifo" options and "hconsole" instead) - The old ~/.hatari configuration file location (use ~/.config/hatari instead) - The rendering functions for 16 bits-per-pixel host screens (almost all recent hardware should have 32 bpp nowadays) Removed features (that were marked as deprecated in earlier releases): - Support for the SDL 1.2 library (i.e. SDL 2.x should be used instead) - Support for building Hatari for Windows CE has been removed, too, since this was relying on version 1.2 of the SDL library - The old UAE CPU core (i.e. the new WinUAE CPU core is now always used) - Python v2 support in Python scripts (Python 2 was end of life in 2020) Emulation improvements: Internal timers: - Rewrite the internal timers used to emulate delays/events/mfp timers (gain ~10% on average, up to 60% in very specific cases) CPU: - Improve FPU emulation (exceptions, unimplemeted instructions, fsincos) - Improve FPU emulation in softfloat mode - Improve IPL timing update in various opcodes - Faster emulation of 68000 in cycle exact mode (gain ~7%) MFP: - Use the new internal timers for MFP timers - Improve accuracy when reading MFP's Timer Data Register - More accurate emulation by processing all internal timers first before reading/writing any MFP register (was previously delayed after processing the current CPU instruction, which was too late in some cases) Video: - Fix position for detecting when VBLANK should be disabled in 50 Hz and 60 Hz DSP: - Improved interrupts handling and SSI (from Previous NeXT emulator) Sound: - Improve accuracy of YM2149's sample generation by using the main CPU clock as a reference for all timings (syncsquare effect as used in recent maxYMiser v1.53) - Use specific memory functions when doing DMA for STE and Falcon sound (don't generate bus error when pointed memory is not present) - Improve value of MFP GPIP bit 7 for DMA sound in the case of STE/TT (video mono XOR dma sound xsint) - Use 2 different signals SOUNDINT and SNDINT for Falcon (connected to MFP GPIP7 and MFP Timer A input) FDC: - Stall the CPU during 32 cycles when DMA FIFO is filled/transferred SCSI: - Improve MODE SENSE, add REPORT LUNS support IKBD: - support deltax/deltay in command $A (set mouse keycode mode) and threshold x/y in command $B (set mouse threshold) Emulator improvements: TOS support: - Support 1024k EmuTOS images also on TT & Falcon - Add country code option to select EmuTOS language, keyboard layout and screen refresh rate on Mega/ST/STe machines (ones lacking NVRAM) MIDI support: - Fix: PortMidi rejects Hatari MIDI events - Fix: MIDI IRQ needs to be re-enabled on MIDI device change even when there's no reset - Support for matching PortMidi device name by prefix when there's no exact full match RS232: - The RS232 receiver code has been rewritten to use polling instead of using a thread. This should avoid deadlocks on BSD/macOS systems when shutting down or reconfiguring the RS232 settings TT/Falcon: - Increase max TT-RAM amount to 1024 MiB - Separate config + CLI options to override NVRAM language and keyboard layout settings - NVRAM language default is taken from the LANG env variable Falcon: - Fix: restore zoom mode correctly when loading snapshots - Correct also smaller specified memory amounts to valid ones - Microphone emulation now uses SDL2 instead of PortAudio MegaSTE/TT: - Add VME/SCU registers "--vme " access option (Linux needs "none" option and TOS v2 / v3 need "dummy" one until Hatari implements real VME/SCU register emulation) VDI mode: - Relax VDI mode width alignment from 128/planes to 16/planes, and height alignment from 16 to 8 pixels SDL GUI: - Fix: ignore unrecognized events in file selector (buttons could be incorrectly shown as selected) - Fix: avoid key release event from SDL GUI closing leaking to emulation - Do VDI mode size changes in (faster) 16 pix increments, and prevent user seeing invalid VDI mode sizes - Fine-tune CPU dialog texts and keyboard shortcuts GEMDOS HD: - Fix: clear GEMDOS Fread / Fwrite errors - Fix: Allow GEMDOS tasks to use other tasks' file handles Command line: - Support "off" as alias for "none" when disabling DSP, FPU, Joysticks and VME, for consistency with HW on/off options NatFeats: - Fix: freeze with NF_STDERR when string is empty or unterminated Debugger: - Fix: profile header so that profile data post-processor knows how to parse built-in WinAUE CPU core ("uae") disassembly output, not just "ext" disassembler output - Repeat CPU & DSP "step" and "next" commands on Enter - Output PC location in CPU & DSP disassembly - More readable "variables" command output - Add "PConSymbol" variable for breaking on symbol addresses - Add "mmu" and "vme" options for "info" command - Add "scc" and "vme" (VME/SCU reg access) tracing support - Setting trace to "none" disables also xconout console output enabled by "os_base" trace option - "next subreturn" will run until current function returns, even if function calls other functions before that - Symbol loadind code is now shared between debugger "symbols" command & "gst2ascii" tool, and it can now read also long symbol names from Pure-C debug information - Auto-detection for whether section offsets should be used when loading symbol information - MIDI trace options are split to "midi" (device & MIDI events) and "midi_raw" (IRQ and register read/write access). Trace logging added also for MIDI byte writes, not just reads - Trace options are listed in alphabetical order Windows: - Next/prev drive change buttons added to SDL GUI file select dialog Build/configure: - SMALL_MEM option is enabled by default Tools: - Add (SDL2 specific) "listkeys" key mapping helper back - TOS boot tester: support 1024k EmuTOS images, misc fixes Documentation: - Compatibility updates, especially for 060 programs that need FPSP060.PRG for missing instructions emulation Fixed demos: - Hackabonds Demo (wrong vblank detection) - We Were @ HD version under GEMDOS HD (file handle access) Fixed programs: - maxYMiser FM v1.53 by gwEn (support for syncsquare effect) Fixed games: - Chambers of Shaolin : DMA sound was wrong in STE mode with 1 MB RAM (mfp gpip bit 7) - Super Hang On : fix flickering raster colors (bclr #0,$fffffa0f sometimes happened at the same time timer C expired)