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 asPA7007) is a computer from manufacturerToshiba, released in 1983 and only available in Japan, with a price of $1350.^{[1][2][3][4][5]}

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

Graphic memory is increased to 48 KB and twoSN76489sound chips are available, producing six five-octave channels and two noise channels.^[6]

A new version of theoperating system, T-BASIC7, is also available.^[7] This version is based onMicrosoft BASIC and adds specific commands for this model, such as highernumerical precision or support for extra colors.

Available peripherals for the Pasopia 7 are a 5"disk drive, aChinese characters ROM, aRS-232 interface and a printer. Thekeyboard is full-strokeJIS standard, with a separatenumeric keypad and somefunction keys.^[8][6]

After 1988, some Pasopia 7 computers were donated to other countries (ex: Poland) under the "International Development of Computer Education Program".^[4][5]

Released in 1985, thePasopia 700^[9] 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).

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

The 8 base colors are displayed in bold.

Actual color limits depend on the graphic mode used:^[7]

• 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.

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

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