yann64andClaude Opus 5.5
b274874139
1,289 discussions, 9,527 archived comments; pages no longer carry the comments themselves. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
140 lines
4.9 KiB
Markdown
140 lines
4.9 KiB
Markdown
---
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title: Sharp PC-1260 PC-1261 PC-1262
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categories:
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- Computers
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types:
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- Pocket
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origins:
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- Japan
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years:
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- '1984'
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cpus:
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- CMOS SC-61860
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params:
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name: PC-1260 PC-1261 PC-1262
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image: /media/museum/photos/sharp_pc1261_withce125_s1.jpg
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company: /companies/sharp
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company_name: Sharp
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specs:
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- label: NAME
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value: PC-1260 PC-1261 PC-1262
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- label: MANUFACTURER
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value: Sharp
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- label: TYPE
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value: Pocket
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- label: ORIGIN
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value: Japan
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- label: YEAR
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value: '1984'
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- label: BUILT IN LANGUAGE
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value: Sharp Basic interpreter
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- label: KEYBOARD
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value: 52 keys, QWERTY caculator type with numeric key-pad
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- label: CPU
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value: CMOS SC-61860 (8bits)
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- label: SPEED
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value: 768 KHz.
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- label: RAM
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value: |-
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PC-1260: 4 KB / 3,198 bytes free\
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PC-1261, PC-1262: 10 KB / 9,342 bytes free
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- label: ROM
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value: 40 KB
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- label: TEXT MODES
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value: 2 lines x 24 chars. (LCD screen), 5x7 dot matrix
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- label: GRAPHIC MODES
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value: None
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- label: COLORS
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value: Monochrome, grey LCD
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- label: SOUND
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value: CPU controlled piezo buzzer, fixed frequency and duration via BASIC statement
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- label: SIZE / WEIGHT
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value: 135 (W) x 70 (D) x 9.5 (H) mm / 115 g (with batteries and hard cover)
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- label: I/O PORTS
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value: Proprietary 11-pin expansion bus
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- label: POWER SUPPLY
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value: 6 volts, 2 x CR 2032 lithium cells
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- label: PERIPHERALS
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value: |-
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CE-125 printer and micro cassette recorder\
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CE-126P thermal printer and tape interface\
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CE-152 tape recorder
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- label: PRICE
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value: |-
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230 (PC 1260, France 1984)\
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411 (PC-1261, France, december 1984)\
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156 (PC-1262, Germany, 1986)
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tabs:
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- photos
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- emulators
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- links
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forum_thread: 461
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photos:
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- title: PC-1260 / 61 / 62
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subtitle: ''
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text: 'From top to bottom: PC-1261, PC-1260, PC-1262'
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image: /media/museum/photos/sharp_pc1261_3models_s1.jpg
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- title: PC-1261
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subtitle: ''
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text: ''
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image: /media/museum/photos/sharp_pc1261_system_s1.jpg
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- title: INSIDE
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subtitle: ''
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text: |-
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**(1)** Removable ROM and RAM card\
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**(2)** LCD display drivers\
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**(3)** Expansion connector\
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**(4)** 768 KHz oscillator. Some users changed it for an 1 MHz model without any dammage. The computer simply ran 30% faster!\
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**(5)** CS-61860 8-bit CPU\
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**(6)** Memory card connector\
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**(7)** Reset switch\
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**(8)** Lithium battery connectors\
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**(9)** LCD contrast knob.
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image: /media/museum/photos/sharp_pc1261_eleccard_s1.jpg
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- title: KEYBOARD DETAILS
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subtitle: ''
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text: ''
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image: /media/museum/photos/sharp_pc1261_insidekeyboard_s1.jpg
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- title: PC-1262'S BOX
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subtitle: ''
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text: ''
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image: /media/museum/photos/sharp_pc1262_box_s1.jpg
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emulators:
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- title: POEMS
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url: http://sourceforge.jp/projects/poems/
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platform: Unix / Linux
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text: PC-12xx, 14xx & 13xx emulator
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- title: PockEmul
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url: http://pockemul.free.fr/
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platform: Multiplatform
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text: Emulates nearly all Sharp pocket computers!
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links:
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- title: Web Wiz CAPTCHA
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url: http://www.webwizcaptcha.com
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text: ''
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related:
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- /museum/sharp-pc-1210-1211-1212
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- /museum/sharp-pc-1245
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- /museum/sharp-pc-1250-pc-1251
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- /museum/sharp-pc-1401-pc-1402-pc-1421
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- /museum/sharp-pc-1403-h
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- /museum/sharp-pc-1500-pc-1500a
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- /museum/sharp-pc-2500
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oc_id: 466
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source:
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url: https://web.archive.org/web/20230605024057/http://www.old-computers.com/museum/computer.asp?c=466
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date: '2023-06-05'
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---
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These small pocket computers were derived from the [PC-1251](/museum/sharp-pc-1250-pc-1251/). They had same keyboard and size. The main difference was the larger display, which now provided two lines with 24 characters, which was a great advantage, especially for BASIC programming. The built-in BASIC interpreter was also close to the PC-1251 interpreter.
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In 1984, the PC-1260 and PC-1261 were released. The only difference between these two was that the former had 4 KB RAM and the latter 10 KB. Internally, they were operated by the SC61860 CPU (8 bits), which was clocked 33% faster than in the PC-1251.
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The CPU was mounted on the main PCB, together with the two display driver chips SC43536. Memory was incorporated on a second small PCB. The PC-1260 had the SC613256 ROM plus two HM6116 8K x 8 RAM ICs. The PC-1261 had the same ROM, but five "naked" RAM chips, i.e. chips without DIL case, mounted directly onto the PCB.
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Two years later, the PC-1261 was re-released as the PC-1262. It was identical in functional terms, but had a different case color scheme. Internally, it was based on the same main PCB, but the memory PCB was now equipped with a SC623257 ROM, a HM6264 8K x 8 RAM, and a LH5116 2K x 8 RAM.
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The picture represents a PC-1261 mounted on a CE-125 micro cassette recorder and thermal printer unit.
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Information provided by [Roman von Wartburg](http://retrocomputing.ch/).
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