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
103 lines
3.3 KiB
Markdown
103 lines
3.3 KiB
Markdown
---
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title: Sharp PC-1403 (H)
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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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- '1986'
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cpus:
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- Sharp CMOS SC61860
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params:
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name: PC-1403 (H)
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image: /media/museum/photos/sharp_pc1403h_system_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-1403 (H)
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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: '1986'
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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: 77 keys, QWERTY calculator type with numeric key-pad and math function keys
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- label: CPU
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value: Sharp CMOS SC61860 (8 bits)
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- label: SPEED
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value: 768 kHz
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- label: RAM
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value: 'PC-1403: 8 KB - PC-1403H: 32 KB'
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- label: ROM
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value: 72 KB
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- label: TEXT MODES
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value: 1 line 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 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: 170 (W) x 72 (D) x 9.5 (H) mm / 150 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: CE-126P thermal printer and tape interface
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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: 1141
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photos:
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- title: LARGE VIEW
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subtitle: ''
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text: ''
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image: /media/museum/photos/sharp_pc1403h_system_s2.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-1260-pc-1261-pc-1262
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- /museum/sharp-pc-1401-pc-1402-pc-1421
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- /museum/sharp-pc-1500-pc-1500a
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- /museum/sharp-pc-2500
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oc_id: 1173
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source:
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url: https://web.archive.org/web/20230609154930/http://www.old-computers.com/museum/computer.asp?c=1173
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date: '2023-06-09'
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---
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As the [PC-1401](/museum/sharp-pc-1401-pc-1402-pc-1421/) family was rather successful, Sharp released an update three years later.
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The two new models were named **PC-1403** and **PC-1403H**.\
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The differences were not large, but very helpful. They had a better display, with 24 instead of 16 characters on the same display area, and lowercase letters could now be used. Thus, there was an additional SML key to switch between uppercase and lowercase entry mode.\
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Moreover, matrix calculation functions had been added, such as addition, multiplication, inversion and determinant. They could be used in calculator mode only.
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The hardware was based on a later incarnation of the SC61860 CPU, paced at 768 kHz. The RAM had also been expanded, with 8 KB in the PC-1403 (D4364G 8k x 8 static RAM), and generous 32 KB in the PC-1403H (D43256AG 32k x 8 static RAM). The new functions also required a larger ROM (72 KB, LZ92K32 plus SC6976T).
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Thanks again to [Roman von Wartburg](http://retrocomputing.ch/) for this information.
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