DSMS

DSMS
File:Dsms.jpg
General
Author(s)	N3TKaT
Type	Emulator
Version	0.2 (NeoFlash compo build)
Licence	Mixed
Links
[Media:Dsms 02 windows.rar Download]
Website

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DSMS is a Sega Master System and Game Gear emulator for the DS.

It was presented in the NEO Coding Competition 2005, ranked 3rd.

Features

Current status:

• Z80 CPU: 100%
• VDP GPU: ~80%

Missing things/To do list:

Background priority

Vertical Scroll Inhibit (r0 b7)

Horizontal Scroll Inhibit (r0 b6)

Sprite shift (r0 b3)

Border color now is taken from palette 0, and should be from 1 (r7)

HBLANK interrupt (r10)

Fix some random sprites bugs

• PSG SOUND (SN76489): 100% with a lot of noise
• FM SOUND (YM2413): 0%

User guide

Use the DSMS.EXE program to generate the DS ROM.

Syntax: DSMS MODE INPUT.ROM OUTPUT.NDS

MODE = 0 -> MasterSystem

MODE = 1 -> GameGear

The output .NDS is also converted to .GBA to run with flashcards

Controls

D-pad - MasterSystem/GameGear DPAD

A/B - MasterSystem/GameGear buttons

Start - MasterSystem pause button, GameGear start button

Select - MasterSystem reset button

L+R - Emulator reset

Changelog

0.2: NeoFlash compo version (public)

• Changed to mode 0
• Sprites and background using DS hardware sprites/background
• Added PSG sound

0.1: First version (private)

• All graphics using bitmap mode 5
• No sound