v1.8  11/00  cpc plus, oversize display, scanline based, a22i/xed interaction..
v1.7  09/00  digital sound, windows version, automatic keyboard language...
v1.6  09/98  some small details & bugfixes...
v1.5  01/98  various details, bugfixes, speedup...
v1.4  08/97  extra fast protected mode, detailed F10 hw-info screen
v1.3  08/96  mouse support, dizzy colors, online assembler, exe-format..
v1.2  03/96  called it 'no$cpc', snapshots, disk copyprotections, multisplits..
v1.0  11/95  the first 2 months - most things are basically working
--    09/95  cpc emulator project started
--    XX/86? my first own computer: got a cpc 6128 from my parents

* cpc plus: 4096 color palette, realizes/freshens palette changes
* cpc plus: ASIC memory, unlock sequence, relock sequence
* cpc plus: cartridge LOW and UPPER rom / EMS memory
* cpc plus: cartridges (CPR files) may include header+data or just clean data
* cpc plus: ROM image optimize patches (differences to 6128)
* cpc plus: ROM image rescue patch (kills ugly burnin' rubber menu)
* cpc plus: ROM image datazones (differences to 6128 and amsdos)
* cpc plus: hardware sprites, x- and y-magnification, parts offscreen, softswap
* cpc plus: sound DMA (no idea if it works), sound interrupts
* cpc plus: raster interrupts, soft scrolling, split facility
* cpc plus: CRTC Register 0Ch: 8th printer bit, and 32K vram bit?
* cpc plus: help: cpc plus hardware description
* cpc plus: no$gmb style color pool for up to 240 different colors on screen
* cpc plus: recognizes/ignores FDC command 0 (amsdos coldboot vs |cpm conflict)
* cpc plus: stack initialized at C000 instead 0000 (No Exit doesn't init SP)
* a22i/copy/edit: supports data exchange with MV/EXT dsks instead no$-dsks only
* a22i: xed/a22i interaction (lineno, autostart from editor, autoedit errors)
* a22i: fixed indirect 16bit ix/iy load commands like LD IX,(NNNN)
* a22i: copies assembled BIN files to BOOTDISK.DSK and autoloads/starts that
* a22i: autoloads and autostarts assembled cartridge CPR files
* a22i: assembler directive ".cpr" generates cpc plus cartridge (max 16Kbyte)
* video: supports multiple vertical-total areas per screen (netherworld)
* video: optional 360x240 oversize video mode, 256 color 640x200 and 720x240
* video: new video modes supporting VESA bios/driver and Tseng ET3000/ET4000
* video: scanline based display redraw mode (slow but more accurate)
* video: windows version invalidates/redraws screen border only if changed
* snapshots: new SNA format (v3) includes more details and supports cpc plus
* snapshots: uses SAVE-dialog (windows), fixed crash when hitting ESC (dos)
* file popup menu: added eject disk a/b functions
* setup: separate LK4 option (screen refresh), new LK7 option (bootsector)
* printer: defaults to new setting (none) - avoids windows NT lock ups
* rom: reduced 464/664/6128/PLUS system roms from 160K to 70K (cpc-pack.asm)
* rom: attached 464/664/6128/PLUS system roms as overlay to no$cpc.exe
* debugger: I/O Map shows state of BDIR/BC1
* debugger: I/O Map screen updated after run/trace in windows version also
* filemenu: allows more than 3 extensions/filetypes (DSK,ZIP,ARJ, and new CPR)
* about: aboutbox in dos version, icon: new amstrad icon (diagonal red line)
* emudetail: better offgrid interrupt emulation clears bit 5 (thanks ulrich)
* emudetail: gate array may manually acknowledge crtc interrupt (arnold5.rtf)
* emudetail: DAA instruction returns 100% correct AF for all 65536 incoming AF
* emudetail: enabled logic-command trueflags (undoc mask 28h) (shogun loader)
* emufix: enabled interseg_pipe/reljumps in windows & dos-rmode version (gryzor)
* emufix: unused keyboard rows (night shade, thanks cesario for bug report)
* emufix: fixed _@ADJUST_SP with SP=0000 in windows version (guild of thieves)
* emufix: major bug in _@mov_eintcount_ax macro didn't clear upper bits of eax
* emufix: refixed outi in 486 dos version (bh was set to zero before bl,[xbx])
* emufix: repaired fast write char in rmode dos version (symbol after 0, cp/m+)
* flat32: anal_sticks resets whole 8bit stick_present if absent (stuck 56rtttt)
* speedup: implemented no$msx boost-method (no delays during disk-io and reset)
* speedup: megaboost, switches to hispeed mode if more than 5 wrchr per frame
* speedup: uses spus/spop dummy macros instead push/pop ds/es in flat32 version
* calmdown: unlimted mhz disaster settings 100% and 50% frames working now
* internal: no$gmb shared init_path_sub,disksethomedir
* help: recognizes mouseclicks to place cursor/follow links (dos version)
* help: new chapter about repairing monitor (brightn/contrast/vhold regulators)
* help: added chapter about registering, exitmsg/aboutbox realizes reg-key file
* btw: programmed NO$CART (converts DSK-images to CPR-images, see webpage)

* utility: filecopy should work form CPC to DOS now either (no$cpc DSKs only)
* keyb: DOS version supports AUTOMATIC keyboard translation (not drdos6 keyb)
* option: override protection for files that are saved as SAVE"FILENAME.BAS",P
* help: layout, 128K size, bold, hardware specs, repairing, connectors, etc.
* sound: beside for old adlib sound also got a fine new digital sound engine
* operating system ROMs moved to single file NO$CPC.ROM
  (Content: 464,664,6128,AMSDOS) (as side effect offers better compression)
* alternate name for FILES.LST could be also NO$CPC.LST
* recombined MSX and CPC sources:
    Z80 core, HACK debugger, PSG core, various SETup and other GUI/System things
  in result, no$cpc news are:
    windows version, doskey .INP file
    new FILES.LST format: "Description>Dskname [Runname]"
- 11 july 00 started with flat32 port / 16 july, 01:20 AM: amstrad basic works!
* fix: emu restarts at @@backreset instead @@cpuloop (brucelee title/486rmode)
* debugger can also follow DJNZ instructions via cursor right (as no$msx)
* DOS shell hotkey (no$gmb like ctrl+O)
* disassembler: dis2file starts at TOP of codewin, bit/res/set as ONE digit N
* utility: particulary filecopy (from dos to cpc works okay) (no$cpc DSKs only)
* filemenu: fixed small glitch, happened in version 1.6 when showing [CPC]
* f11/f12 keys: new xkey compatibility

* toad security: removed except in dirt versions and added more secure rate 64
* printer port emulation: fixed script file bug in protected mode version
* setup: win98 CPU resources option (must be disabled if not supported!!!;-)
* source: removed all IFDEFs (tasm4 compatibility, but tasm4 is TOO SLOW anyway)
* no$cpc.exe: compressed 386/486 exefiles to a size less than happy 60KBytes
* setup: saved to external .cfg file, allows no$cpc.exe to be renamed/compressed
* hercules: /h on VGA uses B800 instead B000 (compatible to illegal QEMM)
* no$cpc.zip: eee.bat auto-installs directory-structure if somebody forgot -d
* speedup: re-defaults to LK=50Hz (makes uninitialized games more secure)
* speedup: temp-defaulted to LK=60Hz (made uninitialized games faster)
* speedup: optionally reduced display refresh rates 50% and 20% (if any)
* combifix: 2x25 lines/diskextract combination fixed (display bug)
* speedup: optionally fast toad mem refresh (but it is a bit DANGEROUS!)
* extended disk format: discovered & fixed more differences to mv-format
* versions: removed non-pmode dirty versions, use pmode if you want fast code
* CPU: identifies CPU and gives errmess if it's not supported :-)
* Performance: Optionally shows speed relative to real CPC (no$gmb like)
* Snapshot: saves filenames for disks in drive a: and b: format as follows:
   75-81  13 bytes for 'FILENAME.DSK' of drive A terminated by 00
   82-8E  13 bytes for 'FILENAME.DSK' of drive B terminated by 00
   an empty string or invalid filename indicates 'disc missing'
* Filemenu: quicksearch (entering first letters of filename) (code from no$gmb)
* Filemenu: recognizes additional harddisks, CD-ROMS, etc (from no$gmb/rusty)
* Internal: source code segment alignment cleared
* Keyboard: PC keyboard compatibility (code taken from no$gmb)

* bugfix for hercules display routines in protected mode (hardly really used)
* bugfix for out block command (bug implemented months ago during speedup)
* bugfix for block search command (bug noticed and forgetten in former days)
* bugfix for load snapshot (128K only or something)
* optimized block transfer command
* bugfixes are for feud,elevator action,duet (probably some more)
* files.lst search command does not need pressing 'S' first, not no more
* hercules bugfixed (scrolling), cga support, ega merely supported in cga mode
* both herc & cga support delicious true grayscale emulation in 16 color mode
Previous Version's Date: 27 November 97
* xtra-fast protected mode version got vcpi (emm386) compatible
  (this is not in standard version, as stupid windows offers no vcpi)
* keypad"+" Whoosh button, no delays as long as pressed (very useful for elite)
* supports DOS Commandline parameters (dsk-name, optional run-name)
* optimized waitstate emulation so guild of thieves (etc) won't shutdown anymore
* supports illegal stupid ED-commands (those are generally never used)
* speedup: if your adlib/sb likes quick delays, you can enable in sound setup
* supports the senseless extended dsk format (the pawn at ftp.nvg.unit.no)
* setup option to modify/disable key repeat rate (useful for basic or cpm
  prompts and for text-adventures in unlimited mhz disaster)
* fixed debugger bug in pmode versions (F2-breakpoints)
Also new (according to the August/September release):
The version released at end of August was speeded up violently - and
had some new bugs implemented (oops). So here comes a BUG FREE
release:
* cpm plus will work yet again
* the new pmode versions will load snapshots as other versions do
* cpm 2 will always work yet again
* RTC timer works again. INT 1C will be automatically used if RTC fails.
Also, there are some new features (According to August/September):
* emulation setup contains new 'intelligent flyback' option (which will
  speedup various games (e.g. zynaps)
* re-implemented zynaps title background ink flash
* added 'sticks disabled until button press' option (speedup)
* hercules HGC display supported
* removed 286 version (since 286 commands slow down 286 cpu, oops)
* added two new keyboard drivers (spain, netherlands)
* added the *PENTIUM* version update.

* extra fast protected mode versions (still not vcpi/emm386 compatible though)
* invented version numbers (v14 in this case) or at least attempted to do so
* Special version for trashy Hercules Graphix available (contact me).
* utility menu: edit file (external edit), assemble file, disassemble to file
* fullscreen F10 HW-info displays info about all I/O regs
* fixed-settings screen

* program code exceeds 64K, ported it to EXE format with separate code segments
* debugger: dizzy colors, menubar, popup menues, mouse control, online assembler
* simple HW-info screen (crtc, psg, inks only)
* setup engine with separate emu/debug screens
* os-shell
* mouse pause menu, mouse stick emulation, mouse-copy-chr-on-screen

* renamed the program from "cpc EMU-lator" to "No$cpc"
* more detailed help text, separated into 10 chapters
* debugger supports standard 50 lines mode (additionally to tseng-only 60 lines)
* supports snapshots (using MV format either)
* supports MV-disk format additonally to my own nocash disk format
* largescr (home/end:anarachy, pgup/dn:solomkey,bionic,tempest,feud,donkey,gothic)
* 3..5zone vmode split (renegade start,return to oz)
* 3..5zone color split (elite,buggy boy,super cycle?)
* keyboard yline readback = 0 bzw. y (barbarian / starstrike,starglider)
* emulated (barbarian=rnd, commando=b7) or real refresh count (speedlock)
* disk sector-ID, control marks, secsize, etc. (copy protections)
* partical read track support (summer games 1, copy prot.)
* same sec IDs (bob winner, copy prot.)
* new british & french keyboard drivers

* video emulation (VGA only), optionally color or "green monitor"
* adlib sound: three tone channels and 1 noise channel
* debugger with breakpoints, borland-style GUI, tracing, datazones
* F11 setup screen, F12 files.lst menu (allowing 4-character names CPC-NNNN.DSK)
* basic FOR I=1 TO 20000:NEXT almost as fast as real CPC (tested with 80386-33)
* 286-16 version exists, but it is not very fast
* vmode splitting (sorcery, antiriad, hexenkueche, escape from s.c., etc.)
* color splitting (sorcery,eidolon,mercenary,elite, buggy boy, wizball, etc.)
* max scan line modifications (buggy boy, live & let die)
* im_2 (boulder dash)
* illegals (ix) (many programs)
* illegals (cb30..7) (eidolon, way of the tiger)
* stupid illegals (DDCAnnnn, DD00) (topgun) (thrust2 ?)
* optional real refresh count (speedlock)
* ldi block detect (many games)
* adlib sound support
* joystick support, and keyboard emulated joystick support
* supports ARJ compressed dsk files (requires arj.exe)
* german/us keyboard driver

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