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- Changes from V3.0 to V3.0a:
- - Implemented SID test bits
- - Combined SID waveforms respect pulse width
- - Corrected idle state graphics display
- - Processor-level 1541 emulation respects .d64 error info
- - CPU emulation optimized (6510 and 6502 split)
- - VIC emulation optimized (raster counter in local variable
- in EmulateLine())
- - BeOS: Now exiting the audio subscriber with ExitStream(TRUE)
- - Unix: Fixed missing thread_func() declaration
- - Unix: getcwd(AppDirPath) was missing in main_x.i
- - Unix: Speed limiter works
-
- Changes from V3.0a to V3.0b:
- - Implemented REU emulation
- - Formatting disks with ID possible under processor-level
- 1541 emulation
- - Corrected and optimized SID waveform/envelope calculation
- (signed arithmetic)
- - Corrected idle state display again (ECM text)
- - 1541 D64 mode ignores drive numbers when opening the
- directory
- - Processor-level 1541 emulation deactivates when idle
- - BeOS: Sound output quality is now 16 bits
- - Unix: Quits more cleanly, reactivates key repeat
- - Unix: Fixed alignment problem with text_chunky_buf in VIC.h
-
- Changes from V3.0b to V3.0c:
- - 1541 DIR mode can load directory with "$0"
- - Rearranged the CPU code (more macros, less inline functions)
- - SID envelope generators rewritten, envelopes are now
- recalculated for every sample
- - SID calc_buffer function now takes pointer to WORD buffer
- - Unix: Sound for Linux
- - Unix: Prefs window implemented (needs Tcl/Tk)
- - Unix: Corrected x64 disk image detection on little-endian systems
- - Unix: SVGAlib support works again, accesses frame buffer
- directly if possible
- - Unix: Added support for SHM under X11
-
- Changes from V3.0c to V3.0d:
- - SID filter emulation implemented
- - SID master volume setting works again
- - Flags are recalculated in MOS6526::SetState()
- - Changed CBOOL->bool in some places
- - Fixed bug with char_in in MOS6510::new_config()
- - BeOS: Emulation thread priority lowered
- - Unix: Some changes for DEC Alpha
- - Unix: Joystick support for Linux
-
- Changes from V3.0d to V3.0e:
- - Removed the CBOOL data type
- - Unix: Sound for HP-UX
- - Unix: Keyboard layout matches the picture in the docs more
- closely
- - Unix: Diagonal directions of keypad joystick emulation work
- - Unix: +/- on numerical keypad modifies SkipFrames
- - Unix: F9 invokes SAM
- - Unix: Drive LEDs and speedometer implemented
- - Unix: Some changes to the GUI
- - Unix: Random number generator is initialized
- - Unix: Name of prefs file can be given as an argument
- - Unix: Calls XFlush() and XSync() in C64Display::Update()
-
- Changes from V3.0e to V3.0f:
- - Improved DIR/D64 drive reset, resetting the C64 resets the drives
- - Implemented 'G' command for DIR/D64 drives
- - Corrected translation of 0xc1..0xda characters in conv_from_64()
- - BeOS: Implemented smart "Insert next disk" menu item
- - Unix: Improved the speedometer/LED bar
- - Unix: Self-calibrating joystick routines
- - Unix: No need to enter path of 'wish' in TkGui.tcl
-
- Changes from V3.0f to V3.0g:
- - New T64/LYNX mode for 1541 emulation
- - 1541fs.cpp/match() used to treat the pattern "foo" as "foo*"
- - 1541 DIR mode uses tmpfile() for opening temporary directory files
- - 1541 D64 mode allows wildcards for selective directory reading
- - Increased compatibility of processor-level 1541 emulation in
- various places (C64<->1541 communication, VIA registers, memory
- map, disk change flag)
- - Inlined MOS6526::EmulateLine() and some small public functions of
- MOS6502_1541
- - New prefs option to enable/disable SID filter emulation
- - Joystick calibration is reset when joystick options change
- - BeOS: Self-calibrating joystick routines
-
- Changes from V3.0g to V3.0h:
- - Implemented SID notch filter, better resonance frequency calculation
- - Fixed bug with SID filter option
- - CIA timer B one-shot mode stops timer when counting undeflows
- of timer A
- - Implemented lightpen trigger
- - BeOS: Fixed for BeOS DR8, improved the GUI a bit
- - Unix: Some fixes to the TkGui (T64, SIDFilters, removed speed
- display)
- - Unix: Main window no longer resizable
- - Unix: SVGALib support works again
-
- Changes from V3.0h to V3.1:
- - BeOS: Joysticks work again
-
- Changes from V3.1 to V3.1a:
- - Frodo SC ported
- - Processor-level 1541 emulation supports reading GCR data,
- removed the faked job loop
- - Corrected ISB, RRA, SBX and SHA instructions
- - The last line of Y expanded sprites wasn't drawn
- - Light pen registers work
- - Small fixes to 1541d64/1541t64
- - CIA 2 PRA write: IEC lines respect DDRA
- - Better triangle waveform (12 bits)
- - SID emulation can play sampled sounds
- - New "Ignore SID Volume" prefs item for better sample playing
- - '*' on numerical keypad toggles speed limiter
- - BeOS: '/' on numerical keypad toggles processor-level 1541
- emulation
- - BeOS: Safer quitting
- - BeOS: Option to use GameKit (screen)
- - BeOS: Replaced srand(system_time()) with srand(real_time_clock())
- - Unix: Sun makefile
-
- Changes from V3.1a to V3.1b:
- - Corrected SID sustain behaviour
- - Reading from write-only SID registers returns the last
- byte written to the SID
- - No more distortions when playing samples
- - Removed the "Ignore SID Volume" prefs item again
- - Combined SID waveforms now sampled from a 6581R4
- - Improved 1541 VIA timer operation
- - Fixed bug in 1541 head movement
- - Raster IRQs can be triggered by writing to $d011/$d012
- - Some changes for the MacOS port
- - Included autoconf stuff from Bernd
- - Frodo SC: Fixed some CIA timer bugs
-
- Changes from V3.1b to V3.1c:
- - Ported to AmigaOS
- - Fixed bug in IEC::Reset()
- - Fixed bug when writing to SID registers >24
- - The SID noise waveform should now sound the same on all
- platforms
- - Removed all calls to tolower() in SAM.cpp because of
- possible side-effects if tolower() is a macro
- - Drive LEDs are only updated once per frame
- - .d64/.t64 files are opened with read permissions only
- - Fixed bug with read_char buffering in 1541fs.cpp/1541t64.cpp
- - Frodo SC: Fixed memory trashing bug in MOS6569::draw_background()
- - Unix: Drive LEDs blink on error
- - Unix: Added more patches from Bernd
-
- Changes from V3.1c to V4.0:
- - The C64 ROM files are now included
- - Unix: Added SVGAlib keyboard patches from Bernd
-
- Changes from V4.0 to V4.0a:
- - Corrected BRK, ANE, ARR, SBX and DCP instructions
- - Frodo SC: Improved the CIA timers
- - Frodo SC: MOS6526::EmulateCycle() split into MOS6526::EmulateCycle()
- and MOS6526::CheckIRQs()
- - Frodo SC: Corrected interrupt behaviour of branch instructions
- - BeOS: Sound calculation is now done in stereo
-
- Changes from V4.0a to V4.1:
- - Integrated Win32 and RiscOS ports
- - Snapshot support
- - Added page-crossing and "borrowed" cycles in line-based CPU emulation (Frodo PC)
- - Added precise CIA cycles for line-based emulation (Frodo PC)
- - Optional fixed-point arithmetic and precomputed filters in SID.cpp
- - Optional dynamic alignment checks in VIC.cpp
- - Changed typedefs and constants:
- BYTE -> int8
- UBYTE -> uint8
- WORD -> int16
- UWORD -> uint16
- LONG -> int32
- ULONG -> uint32
- FALSE -> false
- TRUE -> true
- - Unix: Better configure script
- - Unix: Sound support for Solaris 2.x
- - Unix: Joystick can be toggled between port 1/2 with the NumLock key
- - Unix: US keyboard layouts supported
- - BeOS: Fixed for BeOS AA:DR9
- - BeOS: Can now switch between window/screen mode while the emulation is running,
- speeded up full screen mode
- - BeOS: Prefs saved in /system/settings/Frodo_settings by default
-