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

content/museum/prologica-cp-200.md

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+---
+title: Prologica CP-200
+categories:
+- Computers
+types:
+- Home Computer
+origins:
+- Brazil
+years:
+- '1982'
+cpus:
+- Z80A
+params:
+  name: CP-200
+  company: /companies/prologica
+  company_name: Prologica
+  specs:
+  - label: NAME
+    value: CP-200
+  - label: MANUFACTURER
+    value: Prologica
+  - label: TYPE
+    value: Home Computer
+  - label: ORIGIN
+    value: Brazil
+  - label: YEAR
+    value: '1982'
+  - label: BUILT IN LANGUAGE
+    value: Enhanced Sinclair BASIC
+  - label: KEYBOARD
+    value: 43-key rubber keyboard
+  - label: CPU
+    value: Z80A
+  - label: SPEED
+    value: 3.25 MHz
+  - label: RAM
+    value: 16 KB
+  - label: VRAM
+    value: Unknown
+  - label: ROM
+    value: 8 KB
+  - label: TEXT MODES
+    value: 32 chars x 24 lines
+  - label: GRAPHIC MODES
+    value: 64 x 44 (big) dots
+  - label: COLORS
+    value: Monochrome
+  - label: SOUND
+    value: No sound
+  - label: SIZE / WEIGHT
+    value: approx. 18 (W) x 10 (D) x 3 (H) in / 2 lbs
+  - label: I/O PORTS
+    value: RF TV video output (channel 3 VHF), tape recorder In/Out, Bus connector, joystick
+  - label: BUILT IN MEDIA
+    value: None
+  - label: POWER SUPPLY
+    value: Built-in power supply unit
+  - label: PERIPHERALS
+    value: All Sinclair extensions and peripherals
+  - label: PRICE
+    value: Unknown
+  tabs:
+  - photos
+  photos:
+  - title: CP-200S
+    subtitle: ''
+    text: ''
+    image: null
+  - title: CP-200
+    subtitle: ''
+    text: ''
+    image: null
+  - title: 'CP-200 #2'
+    subtitle: ''
+    text: Same model with a different Prologica label
+    image: null
+  - title: KEYBOARD
+    subtitle: ''
+    text: Although better than the original ZX-81's, the small and spongy keys doesn't allow fast typing.
+    image: null
+  - title: LEFT & RIGHT SIDES
+    subtitle: ''
+    text: The expansion connector (not Sinclair compatible) is located on the left side, covered by a plastic lid.
+    image: null
+  - title: REAR SIDE
+    subtitle: ''
+    text: ''
+    image: null
+  - title: PROLOGICA LABEL
+    subtitle: ''
+    text: ''
+    image: null
+  - title: MOTHERBOARD
+    subtitle: ''
+    text: |-
+      The ULA custom chip of the ZX81 is here remplaced by about 25 standard logic chips.
+
+      **(1)** Expansion connector, not Sinclair compatible\
+      **(2)** 16 KB ROM chips, hold the BASIC interpreter\
+      **(3)** 16 KB RAM chips - 8 x NS MM5290, 4116 equivalent\
+      **(4)** Tape interface connector\
+      **(5)** RF UHF modulator\
+      **(6)** Video connector\
+      **(7)** +5V, +12V, -12V power regulators\
+      **(8)** Buzzer\
+      **(9)** Zilog Z80A processor.
+    image: null
+  comments:
+  - author: Daniel Vianna (Australia)
+    date: Monday 16th April 2018
+    text: I learned some BASIC on one of these. I was about 10 years old, and lost interest mainly because one had to load programs through a cassette tape. I would spend 20 min or more hoping the tape wasn''t damaged and the cassette player had a clean head. If everything went fine I would be able to run a program. If not, it would fail silently. Another option was of course writing programs from scratch before using, but... that was painful.
+  - author: Paolo F. Pugno (Brazil)
+    date: Tuesday 21st November 2006
+    text: I had one and experimented a lot with it. Its side connector does not follow the Sinclair pinout, so you cannot plug standard Sinclair peripherals to it. I had to build a re-layout board just to attach a ZX Printer to it, and it workerd flawlessly. I don't know if the CP-200S also has this characteristic...
+  oc_id: 910
+  source:
+    url: https://web.archive.org/web/20230608085751/http://www.old-computers.com/museum/computer.asp?c=910
+    date: '2023-06-08'
+---
+
+The **CP-200** and **CP-200S** computers were Brazilian clones of the Sinclair [ZX81](/museum/sinclair-zx-81/).
+
+However, to compete with the original model and local ZX81 clones, CP-200 models featured several enhancements.
+
+The larger case housed the power supply unit and a slightly better rubber keyboard. Basic versions had 16 KB of RAM as well as a joystick interface cabled in parallel with some keyboard keys. The BASIC interpreter also had some improvements and additional commands.
+
+The CP-200 also had one very unique characteristic being that the video display was inverted (white on black instead of black on white for the ZX-81). Any key pressed on the keyboard generated a "beep" sound coming from the buzzer (his only function).
+
+The bus connector wasn't strictly Sinclair compatible (pinout was different), but an adaptor card (?) allowed all Sinclair and third companies peripherals to be used with both CP-200 models.
+
+The **CP-200s** was the same computer but with a redesigned motherboard in a new smaller (hence the "s"?) plastic case. The goal was maybe to reduce the production costs.
+
+---
+
+Contributed to this article : Paolo F. Pugno, Oscar Arthur Koepke
+
+<table> <tr> <td></td> <td>We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.</td> <td></td> </tr> </table>