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Toshiba Pasopia 7

Also known as	PA7007
Type	Home computer
Release date	1983 (1983)
Introductory price	$1350
Operating system	T-BASIC7, CP/M optional
CPU	Zilog Z80A
Memory	64 KB RAM 48 KB VRAM
Graphics	320 x 200 / 640 x 200
Sound	Texas Instruments SN76489, 6 voices, 5 octaves
Predecessor	Toshiba Pasopia
Related	Pasopia 700, Toshiba Pasopia 5

Toshiba Pasopia 7 (also known as PA7007) is a computer from manufacturer Toshiba, released in 1983 and only available in Japan, with a price of $1350.

It was intended as the successor of the Toshiba Pasopia, offering improved sound and graphics. The machine is partially compatible with the original Pasopia, and supports connecting cartridge-type peripherals.

Graphic memory is increased to 48 KB and two SN76489 sound chips are available, producing six five-octave channels and two noise channels.

A new version of the operating system, T-BASIC7, is also available. This version is based on Microsoft BASIC and adds specific commands for this model, such as higher numerical precision or support for extra colors.

Available peripherals for the Pasopia 7 are a 5" disk drive, a Chinese characters ROM, a RS-232 interface and a printer. The keyboard is full-stroke JIS standard, with a separate numeric keypad and some function keys.

After 1988, some Pasopia 7 computers were donated to other countries (ex: Poland) under the "International Development of Computer Education Program".

Related models

Released in 1985, the Pasopia 700 is based on the Pasopia 7, and was intended as a home learning system developed by Toshiba and Obunsha. Two disk-drives were added to the side of the main unit and the keyboard is separate. This machine has two cartridge slots (one at the front).

Color palette

The Pasopia 7 uses hardware dithering to simulate intermediate color intensities, based on a mix of two of eight base RGB colors displayed using the 640 x 200 resolution. This allows the machine to display a maximum of 27 colors (3-level RGB).

The 8 base colors are displayed in bold.

Actual color limits depend on the graphic mode used:

• Text mode: characters in 8 base colors, graphics in 4 colors (from 27);
• Fine graphics mode: Kanji characters in 8 base colors, graphics in 8 colors (from 27);
• Palette function: 8 or 4 colors (from 27) depending on the overlap of Kanji and graphics;
• Hardware tiling function: 27 colors can be displayed by combining 2 pixels, with 8 base colors available per pixel.

See also

• Toshiba Pasopia
• Toshiba Pasopia 5
• Toshiba Pasopia IQ
• Toshiba Pasopia 16

References

1. Lemmons, Phil (September 1983). "Update on Personal Computing in Japan". Byte. p. 254.
2. "Toshiba Pasopia 7". System.cfg : Un site tout en images, entièrement dédié à la mémoire de nos anciens jouets. 2018.
3. "Toshiba Pasopia 7". Vintage CPU. 2012-08-20. Retrieved 2022-11-12.
4. ^ "Toshiba Pasopia 7". silicium.org. Retrieved 2022-11-12.
5. ^ "Personal Computers TOSHIBA". KCG Computer Museum (Satellite of the Historical Computers). Retrieved 2022-11-13.
6. ^ "Pasopia 7 Toshiba (Japan)". 1000 BiT - Computer's description.
7. ^ "東芝パーソナルコンピュータ PASOPIA7 (Toshiba personal computer PASOPIA7)". 郷愁のパソコン (nostalgic personal computer).
8. "PASOPIA 7 Toshiba". OLD-COMPUTERS.COM.
9. "Toshiba Pasopia 700 (1985)". mousefan.telcontar.net. 2021. Retrieved 2022-11-13.

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