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Description
Complete system with, one controller, AC adaptor, and RF unit.
The Sega Master System (SMS for short) is an 8-bit cartridge-based gaming console that was manufactured by Sega. Its original Japanese incarnation was the SG-1000 Mark III. In the European market, this console launched Sega onto a competitive level comparable to Nintendo,
due to its wider availability, but failed to put a dent in the North
American and Japanese markets. The Master System was released as a
direct competitor to the NES/Famicom. The system ultimately failed to topple its Nintendo competitor, but has enjoyed over a decade of life in secondary markets, especially Brazil.
- CPU: 8-bit Zilog Z80A
- 3.54 MHz for PAL/SECAM, 3.57 MHz for NTSC
- Graphics: VDP (Video Display Processor) derived from Texas Instruments TMS9918
- Up to 32 simultaneous colors available (16 for sprites, 16 for
background) from a palette of 64 (can also show 64 simultaneous colors
using programming tricks)
- Screen resolutions 256×192 and 256×224. PAL/SECAM also supports 256×240
- 8×8 pixel characters, max 488 (due to VRAM space limitation)
- 8×8 or 8×16 pixel sprites, max 64
- Horizontal, diagonal, vertical, and partial screen scrolling
- Sound (PSG): Texas Instruments SN76489
- 4 channel mono sound
- 3 sound generators, 4 octaves each, 1 white noise generator
- Sound (FM): Yamaha YM2413
- 9 channel mono FM sound
- built into Japanese Master System (Sega Mark III)
- supported by certain games only
- ROM: 64 kbit (8 kB) to 2048 kbit (256 kB), depending on built-in game
- Main RAM: 64 kbit (8 kB)
- Video RAM: 128 kbit (16 kB)
- Game Card slot (not available in the Master System II)
- Game Cartridge slot
- Japanese and South Korean consoles use 44-pin cartridges, same shape as Mark I and Mark II
- All other consoles use 50-pin cartridges with a different shape
- The difference in cartridge style is a form of regional lockout
- Cartridge Pinout
- Expansion slot
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49 out of 97 people found the following review helpful
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Sega Master System,
22 Mar 2007
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by
Jaymee
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Recently, just for fun, I purchased an old NES system and began collecting games. Unfortunately, I'm still on the hunt for an original tetris, but that's what makes it fun. A few weeks ago, though, I was in the basement and I found the Sega Master System, and with a little more searching, I was able to find a controller, and a mess of old hook-up wires. The Sega Master System wires weren't there, but I used a few nintendo and Sega Genesis hook-ups to get the system started, and it now it works like magic! I came to here to find out the code for the maze game, as I forgot it years ago. I didn't realize that there were two models of this system created. Apparently, I have the first. But I wanted to know if there are any distinguishing features on each model so I can tell the difference? |
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