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=============================
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Atari 800XL core instructions
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=============================
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Mark Watson
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scrameta@gmail.com
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Cores available for DE1,MIST,MCC216 and Replay
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These cores differ a little in use.
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These instructions were for the MCC216.
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Brief notes for other cores:
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Replay: Copy atari800.bin and replay.ini to the root. No drive emulation yet, use the serial port with sio2pc software. Roms loaded from ini file.
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DE1: SW9: sdram only/sram then sdram, SD8: PAL/NTSC. Roms in atari800/rom and atari800/user. NB: RS232/GPIO SIO not connected yet
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MIST: Roms in atari800/rom and atari800/user. New firmware (as of June 20th) needed.
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MIST: Without keyboard its possible to use it! If you can remember these...
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MIST: mist button0=F11, mist button0+fire=F12, mist button0+stick=reboot
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MIST: mist button1=option, mist button1+fire=start, mist button1+stick=select
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CHAMELEON: Roms in atari800/rom and atari800/user.
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CHAMELEON: freeze button: toggle scanlines
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CHAMELEON: CDTV remote: mouse:joy1,joy:joy2!,power:reboot,stop,reset,rew:start,play:select,ff:option,genlock:choose/boot(aka f11),cd/tv:settings(aka f12)
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CHAMELEON: C64 keyboard matches Atari layout where possible:
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CHAMELEON: (ESC)1234567890<>(CAPS)(HELP)(DELETE)
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CHAMELEON: (CONTROL)QWERTYUIOP-=(TAB)
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CHAMELEON: (BREAK)(SHIFT LOCK)ASDFGHJKL;+*(RETURN)
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CHAMELEON: (INV)(SHIFT)ZXCVBNM,./(SHIFT)(F11/disk and boot)(F12/settings)
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CHAMELEON: F1/F2=START,F3/F4=SELECT,F5/F6=OPTION,F7/F8=RESET(F9),CONTROL+F7/F8=COLD START(F10)
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MCC216: As below... Official releases will lag but be better tested. This is a beta.
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MCCTV: Special/console keys (joystick 1):
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MCCTV: Start button or button 4 - Start
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MCCTV: Select button or button 3 - Select
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MCCTV: button 2 - Option
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MCCTV: left shoulder 1 - Reset
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MCCTV: left shoulder 2 - Cold start (clear base 64KB RAM and reset)
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MCCTV: right shoulder 1 - Select drive 1 and cold start
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The keyboard is mapped to match an Atari 800XL physical layout(See below).
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Special/console keys:
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F5 - Help
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F6 - Start
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F7 - Select
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F8 - Option
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F9 - Reset
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F10 - Cold start (clear base 64KB RAM and reset)
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F11 - Select drive 1 and cold start
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Use joystick to make selection in menu
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Left - up several lines
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Right - down several lines
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Up - up 1 line
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Down - down 1 line
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Fire - select
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Remember many titles require holding 'option'
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Select "DIR .." to go up a directory
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Select "DIR xxx" to go down a directory
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F12 - System settings menu
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Use joystick to make selection
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Turbo - system speed
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Left/right to select
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1x (default): is very compatible - speed closely matches original hardware ~1.7MHz
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2x: ~3.4MHz - less compatible
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4x: ~6.8MHz - less compatible
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8x/16x: 13MHz, 27MHZ - limited by SDRAM latency, not quicker than 4x yet.
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RAM
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Left/right to select
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64KB: like 65XE
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128KB: like 130XE, 64KB ext ram, switchable by antic/cpu
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320KB(Compy shop)(default): 256KB ext ram, switchable by antic/cpu
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320KB(Rambo): 256KB ext ram, both antic/cpu switch together
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576KB(Compy shop): 512KB ext ram, switchable by antic/cpu
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576KB(Rambo): 512KB ext ram, both antic/cpu switch together
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1088KB: 1024KB ext ram, both antic/cpu switch together
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4160KB: - very imcompatible!
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ROM
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Right/fire: File selector
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Select a different system OS ROM - can by 16KB or 10KB
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Drive
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Left: Remove disk
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Right: File selector
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Fire: Put this disk in F1
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Cartridge
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Left: Remove cart
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Right: File selector
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Fire: Put this cart in
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System ROM:
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Loaded from /System/rom/atari800/atarixl.rom
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Basic:
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Loaded from /System/rom/atari800/ataribas.rom
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Disk images:
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Default dir: /atari800/user
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Supported types:
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.ATR - Atari disk image with header. single/medium/double density.
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.XFD - Atari disk image without header.
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.XEX - Atari executable. A simple bootloader is loaded, not 100% compatible.
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Cartridges:
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Default dir: /atari800/user
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Supported types:
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.CAR - Atari 800 cartridge with header.
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NB .BIN files can be converted using various programs - e.g. Atari800WinPlus.
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Important notes:
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When running Atari software a lot of programs need to have basic disable. Hold option when pressing reset.
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Keyboard layout
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The keyboard is mapped to match an Atari 800XL physical layout. On a UK keyboard this means the layout is:
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Directly mapped:
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ESCAPE,F1-F4,BREAK,CONTROL,SHIFT
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By position:
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1234567890<>(DELETE)
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(TAB)QWERTYUIOP-=(RETURN)
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(CAPS)ASDFGHJKL;+*
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ZXCVBNM,./
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Other:
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Right alt = inverse video
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Features
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* Acid 800 test pass
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* 99% of software runs
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* Version for PAL/NTSC VGA/SVIDEO
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* Write support
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* Drive emulation
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Known issues
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* ~1% of programs fail
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* Keyboard layout board on UK PS2 keyboard, no remapping possible yet.
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* Copymate write verify fails
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* Entering menu during disk access may hang ZPU (used for drive emulation/menus)
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* Sometimes keyboard input fails - need to power off/on the MCC.
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* Hardware matches Atari very closely - including overscan corruption - this often shows up on VGA monitors.
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Enjoy !
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