VGen

Video game console emulator

VGen

System(s): Sega Mega Drive
OS: DOS
Developer: Jason Meehan
Programmed in: Assembly, C
Last release date: 2001-06-02^[1] (23 years ago)
Last version: 0.21a

VGen, also known as Virtual Genesis, is a Sega Mega Drive emulator for DOS, developed by Jason Meehan. It is written in C and x86 assembly language using djgpp and NASM.

It features a mouse-driven GUI and has several debugging options. However, DAC is not emulated. Mega-CD, Master System and Game Gear emulation were planned, but never implemented.^[2]

Emulated components

68000 by Neill Corlett
Z80 by Neil Bradley
PSG and YM2612 sound emulation
Genesis main RAM, VRAM, CRAM, Z80 RAM, VDP registers
DMA
V Interrupt and H Interrupt
Plane A, Plane B, Sprite plane and window plane
Horizontal and vertical scrolling
Controller 1 and 2 emulation

Download

Download VGen

File: VGen v0.21a.7z (355 kB) (info)
Current version: 0.21a

Download VGen

File: Vgen 014.zip (345 kB) (info)
Current version: 0.14

Old versions

Version 0.018 is a BETA version, which was quickly superseded by 0.14 on 11/26/98.

DPMI Required

VGen requires a DPMI server, such as CWSDPMI, in order to run. If one isn't found, the program will exit with an error message.

A copy of CWSDPMI version 5 is available here: Csdpmi5b.zip ^(info) (53 kB)

External links

Official website (archive)

References

↑ https://www.zophar.net/genesis/vgen.html
↑ http://ourworld.compuserve.com:80/homepages/JASONMEEHAN/VGEN.HTM (Wayback Machine: 2001-06-17 11:10)

[https:.2F.2Fwww.zophar.net.2Fgenesis.2Fvgen.html-1] ttps://www.zophar.net/genesis/vgen.html

[https:.2F.2Fweb.archive.org.2Fweb.2F20010617111039.2Fhttp:.2F.2Fourworld.compuserve.com:80.2Fhomepages.2FJASONMEEHAN.2FVGEN.HTM-2] ttp://ourworld.compuserve.com:80/homepages/JASONMEEHAN/VGEN.HTM (Wayback Machine: 2001-06-17 11:10)

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