V-Tech Laser 128 SPECIFICATIONS. VTech Laser 128: User Manual | Brand: VTech | Category: Desktop | Size: 58.62 MB | Pages: 134. For each character block, the background colour can be either light green or buff (white), with the foreground any of the four colours in the set. The colours can be used in any combination on the screen, but only one colour set can be used per screen, so screens are limited to five colours at most.
Applesoft BASIC constitutes the largest and most complex part of an Apple II's ROM contents. It has different hardware, for example, It has an AY-3-8910 instead of a beeper to produce sound. Vtech Laser 128 Personal Computer (Apple II Clone) - YouTube While most clone manufacturers illegally copied Apple's ROMs, VTech actually developed their own, which was quite a feat.
Dick Smith Electronics ran a program buying software from local programmers and selling them through their stores for $12 a cassette. La firme VTech poursuit toujours aujourd'hui ses activités, même si elle a laissé tomber le marché de l'informatique semi-professionnelle.
Like the Apple IIc, it is a one-piece semi-portable design with a carrying handle and a single built-in 5¼-inch floppy disk drive, uses the 65C02 microprocessor, and supports Apple II graphics. This manual also for: Laser 128ex. Externally, the VZ200 resembles a cross between the Commodore The connections consist of a port for an unregulated DC power supply (the voltage regulator is on the PCB), a stereophonic earphone jack for a cassette recorder, an RF modulated video output, an edge connector which is a printer and disk drive port, an edge connector that is a joystick port, and a composite monitor output (NTSC 60 Hz output in north America, PAL 50 Hz output in the British Commonwealth and continental Europe). The DOS ROM and diskette drives were backwards compatible with the Laser 200. Both computers supported colour within the internal language interpreters (BASIC, Assembler), however, the output video from the NTSC and PAL circuitry only supplied black and white signals. The VZ200 uses the Motorola 6847 video processor, which has a resolution of 256 × 192 pixels made from either 8 × 8 pixel character blocks in a 32 × 24 block screen, or a monochrome bitmapped mode.
Microsoft made most of its money by keeping the rights to the software that it sold to others. Microsoft avait conservé ses droits de diffusion sur ce produit et l'a aussi revendu à des tiers comme VTech, Apple n'ayant pas réussi à obtenir une licence de distribution exclusive pour Applesoft.
The Laser 128 is a clone of the Apple //c. The case was made with a less brittle type of plastic. Within a year of the Laser 310's release, an 80k disk drive unit was released on to the market, of which two could be connected to the computer at the same time. Seen above is a complete Laser 128 system, with all the …
Announced in early 1986, VTech sold the Laser 128 in the US at a suggested retail price of $479, while By 1988, VTech had purchased a majority share in Central Point Software and formed Laser Computer as a division of the company. Among them were joysticks, cassette drive, light pen, printer plotter, 75 baud MODEM, word processor cartridge, and the 16k and 64k extended RAM cartridges. The Seltron 200 Color Computer is quite unique. The VTech Laser 128 has 128 KB of RAM. Some speculate that it was Video Technology's attempt at cost reducing the manufacturing process.
The bitmapped mode is unavailable. VTech Laser 128 . HTML Link: The loudspeaker is driven using a push-pull method, alternating the outputs on bits 0 and 5 of the latch.
Banks of system memory can be reassigned using an offset above the top RAM. Laser 100 Laser 128 Laser 128EX Laser 128EX/2 Laser 200 Laser 305 Laser 310 Laser 500.
I'll upload when I get something to talk about. Firmware machine code routines are available using the RSX command. In mode 0, text uses a black foreground with either background colour. For mode 1, two colour sets are used with each background colour :
If you want to know more or withdraw your consent to all or some of the cookies, please refer to the Type: 8-bit home computer: CPU: 65C02 @ 1 MHz: Operating system: Microsoft Basic (Applesoft BASIC compatible) and Copy Plus II v6.0: Memory: ROM: 32 KB RAM: 128 KB (Expandable up to 1 MB) Sound: Beeper? The laser 100 was released with 2K RAM + 2K Video RAM, whilst the laser 110 was released with 4K RAM + 2K Video RAM. Black is not available in this mode. Il convient de souligner que si VTech peut offrir un tel niveau de comptabilité c'est surtout grace à l'accord de licence obtenu de Microsoft d'implanter et d'utiliser l'Applesoft BASIC.
The VZ200 16kb RAM expansion could be used, but because of the way the chip select pins were arranged, only 8kB would actually be available. VTech connu un certain succès commercial en restant dans la niche des machines 8 bits durant les années 80. It has different hardware, for example, It has an AY-3-8910 instead of a beeper to produce sound. VTech Laser 128. The graphics mode has 128×64 addressable points. Text mode 0 is the only mode in which black is available. VTech Laser 128 admin March 11, 2014 Apple, Apple II Clones, Pieces. Anyone here an Apple II clone/Laser 128 series expert? At the time of writing, there are only two known Laser 305's in existence. Black is not available. One major difference is that 3000 is only software-compatible with the Apple II. Also for: Laser 128ex. Like
An internal latch is used for cassette output, to drive the piezoelectric loudspeaker attached to the casing, and to control two signals for the 6847 video processor. with ?
The VZ200 has 256 predefined character blocks. En revanche elle fabrique et commercialise des ordinateurs d'apprentissage ou ludiques pour les enfants, comme le V. Smile. Video Technology used higher capacity memory ICs for the VZ-300, having 18kb of memory (16kb CPU RAM + 2kb video RAM).
Submitted by Tom Owad on January 19, 2004 - 2:00pm .
Externally, the rubber keys were replaced with hard plastic capped keys. Reviews / Desktops.