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==Technical specifications== ===Processors=== *Main [[Central processing unit|CPU]] (central processing unit) **X68000 (1987) to SUPER (1991) models - [[Hitachi]] [[Motorola 68000|HD68HC000]] ([[16-bit|16]]/32-bit) @ 10 MHz **XVI (1991) to Compact (1992) models - [[Motorola 68000]] (16/32-bit) @ 16 MHz **X68030 (1993) models - [[Motorola 68030|Motorola MC68EC030]] ([[32-bit]]) @ 25 MHz *Sub-CPU: [[Oki Electric Industry|Oki]] MSM80C51 [[Microcontroller|MCU]]<ref name=ipsj>http://museum.ipsj.or.jp/en/computer/personal/0038.html</ref> *[[Graphics processing unit|GPU]] (graphics processing unit) chipset: Sharp-Hudson Custom Chipset<ref>http://nfggames.com/games/x68k/</ref><ref>http://www.gamesx.com/wiki/doku.php?id=x68000:custom_chips</ref> **X68000 (1987) model - CYNTHIA Jr Sprite Controller, VINAS CRT Controller, VSOP Video Controller, RESERVE Video Data Selector **ACE (1988) to X68030 (1993) models - CYNTHIA Sprite Controller, VICON CRT Controller, VIPS Video Controller, CATHY Video Data Selector *[[Sound chip]]s:<ref name=retrogamer/> **[[Yamaha YM2151]]: Eight [[Frequency modulation synthesis|FM synthesis]] channels **[[Yamaha YM3012]]: [[Floating point]] [[Digital-to-analog converter|DAC]] with 2-channel [[Stereophonic sound|stereo]] output **[[X68000's MDX|Oki MSM6258]]: One [[Audio bit depth|4-bit]] [[Adaptive differential pulse-code modulation|ADPCM]] [[Monaural|mono]] channel @ 22 kHz [[Sampling (signal processing)|sampling]] rate *[[Coprocessor]]: [[Advanced Micro Devices|AMD]] Banchu Cammago 4007 (Super models in 1990)<ref>http://old-computers.com/MUSEUM/computer.asp?st=1&c=307</ref> ===Memory=== *[[Read-only memory|ROM]]: 1 [[Mebibyte|MB]] (128 KB BIOS, 768 KB Character Generator) *Main [[Random-access memory|RAM]]: 1-4 MB (expandable up to 12 MB) *[[VRAM]]: 1056 [[Kibibyte|KB]] **512 KB graphics **512 KB text **32 KB sprites *[[Static random-access memory|SRAM]]: 16 KB static RAM ===Graphics=== *[[Palette (computing)|Color palette]]: 65,536<ref name=ipsj/> ([[List of monochrome and RGB palettes#16-bit RGB|16-bit]] [[RGB color model|RGB]] [[high color]] [[Color depth|depth]])<ref name=mess>https://github.com/mamedev/mame/tree/master/src/mess/video/x68k.c</ref> *Maximum colors on screen: 65,536 (in 512Γ512 resolution) *[[Display resolution|Screen resolutions]] (all out of 65,536 color palette)<ref name=retrogamer>http://www.retrogamer.info/computer/x68000/</ref><ref name=mess/> **256Γ240 [[pixel]]s @ 16 to 65,536 colors **256Γ256 pixels @ 16 to 65,536 colors **512Γ240 pixels @ 16 to 65,536 colors **512Γ256 pixels @ 16 to 65,536 colors **512Γ512 pixels @ 16 to 65,536 colors **640Γ480 pixels @ 16 to 64 colors **768Γ512 pixels @ 16 to 64 colors **1024Γ1024 pixels @ 16 to 64 colors *Graphics hardware: Hardware [[scrolling]], priority control, super-impose, [[Parallax scrolling|dual tilemap background layers]],<ref name=retrogamer/> sprite flipping<ref name=mess/> *Graphical planes: 1-4 bitmap planes, 1-2 tilemap planes, 1 sprite plane<ref name=mess/><ref name=gamesx>http://gamesx.com/wiki/doku.php?id=x68000:screen_control</ref> **[[Bitmap]] planes<ref name=ipsj/><ref name=mess/> ***1 layer: 512Γ512 resolution @ 65,536 colors on screen, or 1024Γ1024 resolution @ 64 colors on screen (out of 65,536 color palette) ***2 layers: 512Γ512 resolution @ 256 colors on screen per layer (512 colors combined) (out of 65,536 color palette) ***4 layers: 512Γ512 resolution @ 16 colors on screen per layer (64 colors combined) (out of 65,536 color palette) **BG [[Tile engine|tilemap]] planes<ref name=mess/><ref name=gamesx/> ***BG plane resolutions: 256Γ256 (2 layers) or 512Γ512 (1 layer) ***BG chip/tile size: 8Γ8 or 16Γ16 ***Colors per BG layer: 256 (out of 65,536 color palette) ***BG colors on screen: 256 (1 layer) or 512 (2 layers), out of 65,536 color palette ***BG tiles on screen: 512 (16Γ16 tiles in 256Γ256 layers) to 4096 (8Γ8 tiles in 512Γ512 layer) **[[Sprite (computer graphics)|Sprite]] plane<ref name=ipsj/><ref name=mess/><ref name=gamesx/> ***Sprite count: 128 sprites on screen, 32 sprites per [[Scan line|scanline]], 256 sprite patterns in VRAM (can be multiplied up to 512 sprites on screen with scanline [[raster interrupt]] method<ref>http://shmuplations.com/chorensha68k/</ref>) ***Sprite size: 16Γ16 ***Colors per sprite: 16 colors per palette, selectable from 16 palettes (out of 65,536 color palette) ***Sprite colors on screen: 256 (out of 65,536 color palette) ***Sprite tile size: 8Γ8 or 16Γ16 ***Sprite tile count: 128 (16Γ16) to 512 (8Γ8) on screen, 256 (16Γ16) to 1024 (8Γ8) in VRAM ===Other specifications=== *Expansion: 2 card slots (4 on Pro models) *I/O Ports: **2 MSX compatible joystick ports **Audio IN / OUT **Stereo scope/3D goggles port **TV/monitor Control **RGB/NTSC Video Image I/O **Expansion (2 slots) **External FDD (up to 2) **SASI/SCSI (depending on model) **RS232 serial port **Parallel port **Headphone and microphone ports *Floppy Drives: **Two soft-eject 5.25β³ floppy drives, 1.2 MB each **Two 3.5β³ floppy drives, 1.44 MB each (compact models) *Hard Disk: 20-80 MB SASI/SCSI (depending on model) *Operating Systems: Human68k (MS DOS-alike developed by Hudson), SX-Windows GUI *Power Input: AC 100V, 50/60 Hz *Weight: ~8 kg (~10 kg Pro) ===Optional upgrades=== *Upgradable CPU:<ref name=x680x0>http://translate.google.co.uk/translate?hl=en&sl=ja&u=http://ht-deko.minim.ne.jp/x68k.html</ref> ** HARP: Motorola 68000 @ 20 MHz ** REDZONE: Motorola 68000 @ 24 MHz ** X68030 D'ash: Motorola 68030 @ 33 MHz ** Xellent30: Motorola 68030 @ 40 MHz ** HARP-FX: Motorola 68030 @ 50 MHz ** Xellent40: [[Motorola 68040]] @ 33 MHz ** 060Turbo: [[Motorola 68060]] @ 50 MHz ** Jupiter-EX: Motorola 68060 @ 66 MHz ** Venus-X/060: Motorola 68060 @ 75 MHz *Additional CPU:<ref name=x680x0/> ** CONCERTO-X68K: [[NEC V30]] @ 8 MHz, with 512 KB RAM ** VDTK-X68K: [[NEC V70]] @ 20 MHz, with 2 MB [[Dynamic random-access memory|DRAM]] and 128 KB SRAM *[[Floating point unit|FPU]] (floating point unit) coprocessor:<ref name=x680x0/><ref name=catalog>http://www.gamesx.com/wiki/doku.php?id=x68000:x68000_product_catalog</ref> **Sharp CZ-6BP1 **Sharp CZ-6BP2: [[Motorola 68881]] @ 16 MHz **Sharp CZ-5MP1: [[Motorola 68881|Motorola 68882]] @ 25 MHz **Xellent30: Motorola 68882 @ 33 MHz **Tsukumo TS-6BE6DE: Motorola MC68882, with 6 MB RAM *[[Sound card]]:<ref name=x680x0/><ref>http://www.illusionware.it/x68000.htm</ref> ** Sharp CZ-6BM1: [[MIDI]] card ** [[System Sacom]] SX-68M: MIDI card ** System Sacom SX-68M-2: MIDI card ** Marcury-Unit: [[Audio bit depth|16-bit]] stereo [[Pulse-code modulation|PCM]] @ 48 kHz sampling rate, 2Γ [[Yamaha YMF288]] FM synthesis sound chips *[[Video card|Graphics accelerator]] & sound card: Tsukumo TS-6BGA<ref>http://www.gamesx.com/wiki/doku.php?id=x68000:ts-6bga_-_pcm_sound_board_graphics_accelerator</ref><ref>http://x68k.net/download/MAT-TS/TS_6BGA.pdf</ref><ref>http://www.vgamuseum.info/index.php/component/content/article/1045-cirrus-logic-cl-gd5434-hc-b</ref> **Graphics chip: [[Cirrus Logic|Cirrus Logic CL-GD5434]] (1994) **VRAM: 2 MB (2048 KB) [[64-bit computing|64-bit]] [[Dynamic random-access memory|DRAM]] **Color palette: 16,777,216 ([[List of monochrome and RGB palettes#24-bit RGB|24-bit RGB]] [[true Color|true color]] depth) and [[alpha compositing|alpha channel]] ([[RGBA color space|RGBA]]) **Maximum colors on screen: 16,777,216 **Maximum resolution: 2048Γ1024 pixels **Screen resolutions (all out of 16,777,216 color palette) ***768Γ512 pixels @ 32,768 to 16,777,216 colors ***800Γ600 pixels @ 32,768 to 16,777,216 colors ***1024Γ512 pixels @ 32,768 to 16,777,216 colors ***1024Γ768 pixels @ 32,768 to 16,777,216 colors ***1024Γ1024 pixels @ 32,768 colors ***1280Γ1024 pixels @ 256 colors ***2048Γ1024 pixels @ 256 colors **Graphical capabilities: 64-bit [[Graphical user interface|GUI]] acceleration, [[blitter]], [[bit blit]] **Audio capabilities: 16-bit stereo PCM @ 48 kHz sampling rate *[[Hard disk drive]] storage:<ref name=catalog/> ** Sharp CZ-5H08: 80 MB ** Sharp CZ-68H: 81 MB ** Sharp CZ-5H16: 160 MB
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