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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ

content/museum/jvc-hc-95.md

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+---
+title: JVC HC-95
+categories:
+- Computers
+types:
+- Home Computer
+origins:
+- Japan
+years:
+- '1986'
+cpus:
+- Zilog Z80A
+params:
+  name: HC-95
+  company: /companies/jvc
+  company_name: JVC
+  specs:
+  - label: NAME
+    value: HC-95
+  - label: MANUFACTURER
+    value: JVC
+  - label: TYPE
+    value: Home Computer
+  - label: ORIGIN
+    value: Japan
+  - label: YEAR
+    value: '1986'
+  - label: BUILT IN LANGUAGE
+    value: MSX Basic 2.0
+  - label: KEYBOARD
+    value: Full-stroke 73 key with 5 function keys, numeric keypad and 4 arrow keys
+  - label: CPU
+    value: Zilog Z80A and HD64180 (custom JVC processor)
+  - label: SPEED
+    value: 3.58 MHz (Z80A) - 6 MHz (HD64180)
+  - label: CO-PROCESSOR
+    value: 'Video Display Processor : V9938 (MSX-VIDEO)'
+  - label: RAM
+    value: 64 KB
+  - label: VRAM
+    value: 128 KB
+  - label: ROM
+    value: 86 KB (48 KB BASIC, 16 KB Disc BASIC, 16 KB System)
+  - label: TEXT MODES
+    value: 40 x 24 / 32 x 24
+  - label: GRAPHIC MODES
+    value: 64 x 48 / 256 x 192 / 256 x 212 / 512 x 212
+  - label: COLORS
+    value: '512'
+  - label: SOUND
+    value: 3 channels, 8 octaves
+  - label: SIZE / WEIGHT
+    value: 40.5 (W) x 38.1 (D) x 7.6 (H) cm. / 7 Kg.
+  - label: I/O PORTS
+    value: Parallel, 1 cartridge slot, Tape recorder, Serial RS232, TV/RF, Composite video in/out, audio Left/Right in/out, RGB video in/out, 2 x joysticks, 2 x custom card slots
+  - label: BUILT IN MEDIA
+    value: 2 x 3.5'' floppy disc drives (720 KB double side, double density)
+  - label: OS
+    value: MSX Basic 2.0
+  - label: POWER SUPPLY
+    value: Built-in switching power supply unit
+  - label: PRICE
+    value: From £800 - 19800 Yens
+  tabs:
+  - photos
+  - emulators
+  - links
+  photos:
+  - title: BACK SIDE
+    subtitle: ''
+    text: |-
+      **(1)** TV/RF modulator output\
+      **(2)** RGB in/out on one DB 25 connector\
+      **(3)** Composite video in/out\
+      **(4)** Audio left/right in/out (4 RCA jacks)\
+      **(5)** Parallel printer connector\
+      **(6)** Tape recorder DIN plug\
+      **(7)** Keyboard connector\
+      **(8)** Custom JVC expansion card housings\
+      **(9)** Serial RS232 DB25 connector
+    image: null
+  emulators:
+  - title: BlueMSX
+    url: http://www.bluemsx.com/
+    platform: Windows
+    text: Excellent free MSX emulator
+  - title: fMSX32
+    url: HTTP://WWW.RETRODEV.INFO/
+    platform: Other platform
+    text: The excellent fMSX, but ported onto the GamePark GP32 handheld console.
+  - title: openMSX - The MSX emulator that aims for perfection.
+    url: http://openmsx.sourceforge.net/
+    platform: Multiplatform
+    text: This new MSX emulator can reproduce, among many other MSX, MSX2and MSX2+ machines, both Panasonic Turbo-R models. Be sure to get the catapult frontend and the system roms from FUNET.
+  links:
+  - title: MSX Faq
+    url: http://www.faq.msxnet.org
+    text: Here, you can find near all hardware pieces related to MSX.
+  comments:
+  - author: JamesD
+    date: Tuesday 27th October 2015
+    text: |-
+      Correction, there is no native mode on the 64180. That''s a feature on the Hitachi 6309\
+      A 6 MHz 64180 is supposed to be twice as fast as a 4 MHz Z80\
+      BYTE magazine published a design for a CP/M compatible 64180 system in the Sept/Oct 1985 issues
+  - author: JamesD
+    date: Sunday 15th January 2012
+    text: Percent
+  - author: JamesD
+    date: Sunday 15th January 2012
+    text: That was supposed to say 20$ faster
+  - author: JamesD (USA)
+    date: Sunday 15th January 2012
+    text: |-
+      The HD64180 was manufactured by Hitachi. Zilog now sells the same thing as the Z180 but with minor differences in the buss signals.
+
+      The 64180/Z180 add a native mode which executes code 20$ faster once enabled, new instructions allow smaller more efficient code, an MMU allows addressing up to 1MB of memory, illegal opcodes are trapped, etc...
+  - author: Pharoah (USA)
+    date: Saturday 24th December 2005
+    text: |-
+      512 colors, interesting!\
+      That's 9 bits :)
+  related:
+  - /museum/canon-v-25
+  - /museum/kawai-kmc-5000
+  - /museum/msx-2
+  - /museum/panasonic-fs-a1
+  - /museum/panasonic-fs-a1f
+  - /museum/sony-hit-bit-f1xd
+  - /museum/sony-hit-bit-f500
+  - /museum/sony-hit-bit-f700
+  - /museum/sony-hit-bit-f9
+  - /museum/sony-hit-bit-g900f
+  oc_id: 862
+  source:
+    url: https://web.archive.org/web/20230605033223/http://www.old-computers.com/museum/computer.asp?c=862
+    date: '2023-06-05'
+---
+
+The JVC-95 conformed to the maximum graphics specification of the [MSX-2](/museum/msx-2/) standard. However, like the [Pioneer PX-7](/museum/pioneer-palcom-px-7/) it also carried a sophisticated hardware interface that handled video superimposition and various interactive video processing features.
+
+In fact, the case housed two separate electronic cards. One was purely MSX, the second was dedicated to additional video functions. Several programs were bundled with the system, they allowed pictures, graphs ot texts to be mixed with any video source.
+
+Another interesting aspect of the HC-95 hardware was it's double prrocessor feature. User could select between the usual Z80A/3.5 MHz processor and a custom JVC processor called HD64180, running at 6 MHz.
+
+JVC tried to sell its HC-95 in Europe with no success, probably because of the Commodore [Amiga](/museum/commodore-amiga-1000/) competition. The Amiga already had built-in video superimposition function (GenLock). Eventually it has been sold only in Japan.