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Changes from V4.1b to V4.2:
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- Changed license to GPL
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- "plain" Frodo removed, "Frodo PC" renamed to "Frodo"
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- ROMs are built into the Frodo executable
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- implemented write access to disk image files (D64/X64)
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- Voice 3 mute works
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- Unix: removed obsolete Linux joystick code, added SDL joystick support
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- Unix: added fullscreen display with SDL
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- Linux: added support for Catweasel SID
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- Linux: more accurate timing
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- BeOS: added support for digital joysticks connected to the GeekPort
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- BeOS: updated to new Media Kit API
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Changes from V4.1a to V4.1b:
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- Unix: Updated Tcl/Tk preferences editor [Gerard Decatrel]
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- Unix: Added SDL display driver which is the default if SDL >= 1.2 is
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detected by the configure script
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- Unix: Increased number of sound buffers from 4 to 16 (emu10k driver doesn't
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work with the smaller value)
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- Unix: Fixed some small compilation problems
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Changes from V4.1 to V4.1a:
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- Fixed bug in IEC::NewPrefs()
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- Optimized VIC emulation for speed
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- BeOS: Prefs saved in /boot/home/config/settings/Frodo_settings
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- BeOS: Directory panel works again
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- BeOS: Correct C64/1541 clock frequency ratio (Frodo SC)
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- BeOS: Correct audio mixing/clipping
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Changes from V4.0a to V4.1:
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- Integrated Win32 and RiscOS ports
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- Snapshot support
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- Added page-crossing and "borrowed" cycles in line-based CPU emulation (Frodo PC)
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- Added precise CIA cycles for line-based emulation (Frodo PC)
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- Optional fixed-point arithmetic and precomputed filters in SID.cpp
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- Optional dynamic alignment checks in VIC.cpp
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- Changed typedefs and constants:
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BYTE -> int8
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UBYTE -> uint8
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WORD -> int16
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UWORD -> uint16
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LONG -> int32
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ULONG -> uint32
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FALSE -> false
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TRUE -> true
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- Unix: Better configure script
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- Unix: Sound support for Solaris 2.x
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- Unix: Joystick can be toggled between port 1/2 with the NumLock key
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- Unix: US keyboard layouts supported
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- BeOS: Fixed for BeOS AA:DR9
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- BeOS: Can now switch between window/screen mode while the emulation is running,
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speeded up full screen mode
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- BeOS: Prefs saved in /system/settings/Frodo_settings by default
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Changes from V4.0 to V4.0a:
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- Corrected BRK, ANE, ARR, SBX and DCP instructions
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- Frodo SC: Improved the CIA timers
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- Frodo SC: MOS6526::EmulateCycle() split into MOS6526::EmulateCycle()
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and MOS6526::CheckIRQs()
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- Frodo SC: Corrected interrupt behaviour of branch instructions
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- BeOS: Sound calculation is now done in stereo
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Changes from V3.1c to V4.0:
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- The C64 ROM files are now included
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- Unix: Added SVGAlib keyboard patches from Bernd
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Changes from V3.1b to V3.1c:
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- Ported to AmigaOS
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- Fixed bug in IEC::Reset()
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- Fixed bug when writing to SID registers >24
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- The SID noise waveform should now sound the same on all
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platforms
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- Removed all calls to tolower() in SAM.cpp because of
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possible side-effects if tolower() is a macro
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- Drive LEDs are only updated once per frame
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- .d64/.t64 files are opened with read permissions only
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- Fixed bug with read_char buffering in 1541fs.cpp/1541t64.cpp
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- Frodo SC: Fixed memory trashing bug in MOS6569::draw_background()
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- Unix: Drive LEDs blink on error
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- Unix: Added more patches from Bernd
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Changes from V3.1a to V3.1b:
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- Corrected SID sustain behaviour
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- Reading from write-only SID registers returns the last
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byte written to the SID
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- No more distortions when playing samples
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- Removed the "Ignore SID Volume" prefs item again
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- Combined SID waveforms now sampled from a 6581R4
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- Improved 1541 VIA timer operation
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- Fixed bug in 1541 head movement
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- Raster IRQs can be triggered by writing to $d011/$d012
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- Some changes for the MacOS port
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- Included autoconf stuff from Bernd
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- Frodo SC: Fixed some CIA timer bugs
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Changes from V3.1 to V3.1a:
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- Frodo SC ported
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- Processor-level 1541 emulation supports reading GCR data,
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removed the faked job loop
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- Corrected ISB, RRA, SBX and SHA instructions
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- The last line of Y expanded sprites wasn't drawn
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- Light pen registers work
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- Small fixes to 1541d64/1541t64
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- CIA 2 PRA write: IEC lines respect DDRA
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- Better triangle waveform (12 bits)
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- SID emulation can play sampled sounds
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- New "Ignore SID Volume" prefs item for better sample playing
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- '*' on numerical keypad toggles speed limiter
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- BeOS: '/' on numerical keypad toggles processor-level 1541
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emulation
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- BeOS: Safer quitting
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- BeOS: Option to use GameKit (screen)
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- BeOS: Replaced srand(system_time()) with srand(real_time_clock())
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- Unix: Sun makefile
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Changes from V3.0h to V3.1:
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- BeOS: Joysticks work again
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Changes from V3.0g to V3.0h:
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- Implemented SID notch filter, better resonance frequency calculation
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- Fixed bug with SID filter option
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- CIA timer B one-shot mode stops timer when counting undeflows
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of timer A
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- Implemented lightpen trigger
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- BeOS: Fixed for BeOS DR8, improved the GUI a bit
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- Unix: Some fixes to the TkGui (T64, SIDFilters, removed speed
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display)
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- Unix: Main window no longer resizable
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- Unix: SVGALib support works again
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Changes from V3.0f to V3.0g:
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- New T64/LYNX mode for 1541 emulation
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- 1541fs.cpp/match() used to treat the pattern "foo" as "foo*"
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- 1541 DIR mode uses tmpfile() for opening temporary directory files
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- 1541 D64 mode allows wildcards for selective directory reading
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- Increased compatibility of processor-level 1541 emulation in
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various places (C64<->1541 communication, VIA registers, memory
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map, disk change flag)
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- Inlined MOS6526::EmulateLine() and some small public functions of
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MOS6502_1541
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- New prefs option to enable/disable SID filter emulation
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- Joystick calibration is reset when joystick options change
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- BeOS: Self-calibrating joystick routines
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Changes from V3.0e to V3.0f:
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- Improved DIR/D64 drive reset, resetting the C64 resets the drives
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- Implemented 'G' command for DIR/D64 drives
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- Corrected translation of 0xc1..0xda characters in conv_from_64()
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- BeOS: Implemented smart "Insert next disk" menu item
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- Unix: Improved the speedometer/LED bar
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- Unix: Self-calibrating joystick routines
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- Unix: No need to enter path of 'wish' in TkGui.tcl
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Changes from V3.0d to V3.0e:
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- Removed the CBOOL data type
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- Unix: Sound for HP-UX
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- Unix: Keyboard layout matches the picture in the docs more
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closely
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- Unix: Diagonal directions of keypad joystick emulation work
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- Unix: +/- on numerical keypad modifies SkipFrames
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- Unix: F9 invokes SAM
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- Unix: Drive LEDs and speedometer implemented
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- Unix: Some changes to the GUI
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- Unix: Random number generator is initialized
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- Unix: Name of prefs file can be given as an argument
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- Unix: Calls XFlush() and XSync() in C64Display::Update()
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Changes from V3.0c to V3.0d:
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- SID filter emulation implemented
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- SID master volume setting works again
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- Flags are recalculated in MOS6526::SetState()
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- Changed CBOOL->bool in some places
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| 173 |
- Fixed bug with char_in in MOS6510::new_config()
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- BeOS: Emulation thread priority lowered
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- Unix: Some changes for DEC Alpha
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- Unix: Joystick support for Linux
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Changes from V3.0b to V3.0c:
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- 1541 DIR mode can load directory with "$0"
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- Rearranged the CPU code (more macros, less inline functions)
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- SID envelope generators rewritten, envelopes are now
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recalculated for every sample
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- SID calc_buffer function now takes pointer to WORD buffer
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- Unix: Sound for Linux
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- Unix: Prefs window implemented (needs Tcl/Tk)
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- Unix: Corrected x64 disk image detection on little-endian systems
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- Unix: SVGAlib support works again, accesses frame buffer
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directly if possible
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- Unix: Added support for SHM under X11
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Changes from V3.0a to V3.0b:
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- Implemented REU emulation
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- Formatting disks with ID possible under processor-level
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1541 emulation
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- Corrected and optimized SID waveform/envelope calculation
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(signed arithmetic)
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- Corrected idle state display again (ECM text)
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| 198 |
- 1541 D64 mode ignores drive numbers when opening the
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| 199 |
directory
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- Processor-level 1541 emulation deactivates when idle
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- BeOS: Sound output quality is now 16 bits
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- Unix: Quits more cleanly, reactivates key repeat
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- Unix: Fixed alignment problem with text_chunky_buf in VIC.h
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| 205 |
Changes from V3.0 to V3.0a:
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- Implemented SID test bits
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- Combined SID waveforms respect pulse width
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- Corrected idle state graphics display
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- Processor-level 1541 emulation respects .d64 error info
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- CPU emulation optimized (6510 and 6502 split)
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- VIC emulation optimized (raster counter in local variable
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in EmulateLine())
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- BeOS: Now exiting the audio subscriber with ExitStream(TRUE)
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- Unix: Fixed missing thread_func() declaration
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- Unix: getcwd(AppDirPath) was missing in main_x.i
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- Unix: Speed limiter works
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