SVI-728
{{Infobox computer
| Photo = Image:Svi728.jpg
| Type = Home computer
| Released = 1984
| Discontinued =
| Processor = Zilog Z80A @ 3.58 MHz
| Memory = 64 KB (+16 KB video memory)
| OS = MSX BASIC
MSX-DOS
CP/M 2.2
| predecessor = SV-328
| display = 256x192 pixel resolution, 256 colours
| related = SVI-738
| sound = AY-3-8910
| graphics = TMS9918A/TMS9929 (NTSC/PAL)
| family = MSX
| memory card = {{frac|3|1|2}}-inch floppy disks, ROM cartridge, cassette tapes
| input = Keyboard
}}
The SVI-728 is the first home computer from Spectravideo that complied fully with the MSX home computer specification.{{Cite web |title=SVI 728 |url=https://www.old-computers.com/museum/computer.asp?c=229 |archive-url=https://web.archive.org/web/20210803150524/https://www.old-computers.com/museum/computer.asp?c=229 |archive-date=2021-08-03 |access-date=2022-03-18 |website=OLD-COMPUTERS.COM : The Museum}}{{Cite web |last=Stewart |first=Terry |date=2021 |title=Spectravideo 728 |url=https://www.classic-computers.org.nz/collection/spectravideo-728.htm |access-date=2022-03-18 |website=Terry Stewart (Tezza)'s Vintage Classic Computer Collection}} It was introduced in 1984.{{Cite web |last=Ögren |last2=Ögren |last3=Edmundsson |last4=Jonsson |title=SVI-728 - HwB |url=http://www.hardwarebook.info/SVI-728 |archive-url=https://web.archive.org/web/20220703023222/https://www.hardwarebook.info/SVI-728 |archive-date=2022-07-03 |access-date=2022-03-18 |website=The Hardware Book - HwB}} The design is virtually identical to that of the earlier SV-328, which did not comply fully with the MSX standard.
The SVI-738 is a portable version of this computer.
Technical specifications
The SVI-728 had the following technical specifications:
;Video
- Graphical processor: Texas Instruments TMS9918A/TMS9929 (NTSC/PAL)
:*Graphical resolution: 256 x 192 pixels
:*text modes: 40 characters x 24 lines and 32 characters x 24 lines
:*colors: 16
:*sprites: 32
;Sound
- General Instrument AY-3-8910-soundchip
:*3 sound channels
:*1 noise channels
:*1 envelope controller
;Connectors
- 1 data recorder/Cassette deck
- 2 joysticks
- 1 cartridge
- 1 Super Expander
- 1 disk station
References
{{Reflist}}
{{DEFAULTSORT:Svi-728}}
{{Spectravideo computers}}